diff --git a/.eslintrc b/.eslintrc
index 3d3271873..e48b87ac4 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -1,8 +1,6 @@
 {
-  "plugins": [
-    "import",
-    "react"
-  ],
+  "extends": ["prettier", "prettier/react"],
+  "plugins": ["import", "react", "prettier"],
   "settings": {
     "import/extensions": [".js"]
   },
@@ -18,19 +16,8 @@
     "node": true
   },
   "rules": {
-    "arrow-parens": ["error", "as-needed", { "requireForBlockBody": true }],
-    "arrow-spacing": "error",
-    "block-spacing": "error",
-    "comma-dangle": ["error", "only-multiline"],
-    "comma-spacing": ["error", { "before": false, "after": true }],
-    "comma-style": ["error", "last"],
-    "computed-property-spacing": ["error", "never"],
     "constructor-super": "error",
-    "curly": ["error", "multi-line"],
-    "dot-location": ["error", "property"],
     "dot-notation": ["error", { "allowKeywords": true }],
-    "eol-last": "error",
-    "func-call-spacing": ["error", "never"],
     "import/default": "error",
     "import/export": "error",
     "import/first": "error",
@@ -38,18 +25,25 @@
     "import/namespace": "error",
     "import/newline-after-import": "error",
     "import/no-deprecated": "error",
-    "import/no-extraneous-dependencies": ["error", { "peerDependencies": true }],
+    "import/no-extraneous-dependencies": [
+      "error",
+      { "peerDependencies": true }
+    ],
     "import/no-mutable-exports": "error",
     "import/no-named-as-default": "error",
     "import/no-named-as-default-member": "error",
     "import/no-unresolved": "error",
-    "indent": ["error", 2, { "SwitchCase": 1, "MemberExpression": 1 }],
-    "jsx-quotes": ["error", "prefer-double"],
-    "key-spacing": ["error", { "beforeColon": false, "afterColon": true }],
-    "keyword-spacing": ["error", { "before": true, "after": true }],
     "linebreak-style": "error",
-    "lines-around-comment": ["error", { "beforeBlockComment": true, "afterBlockComment": true, "allowBlockStart": true, "allowObjectStart": true, "allowArrayStart": true }],
-    "new-parens": "error",
+    "lines-around-comment": [
+      "error",
+      {
+        "beforeBlockComment": true,
+        "afterBlockComment": true,
+        "allowBlockStart": true,
+        "allowObjectStart": true,
+        "allowArrayStart": true
+      }
+    ],
     "no-array-constructor": "error",
     "no-class-assign": "error",
     "no-console": "error",
@@ -68,9 +62,6 @@
     "no-func-assign": "error",
     "no-invalid-regexp": "error",
     "no-lonely-if": "error",
-    "no-mixed-spaces-and-tabs": ["error", false],
-    "no-multi-spaces": "error",
-    "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 1 }],
     "no-native-reassign": "error",
     "no-negated-in-lhs": "error",
     "no-new-object": "error",
@@ -78,15 +69,29 @@
     "no-path-concat": "error",
     "no-redeclare": "error",
     "no-regex-spaces": "error",
-    "no-restricted-globals": ["error", "Debug", "document", "Document", "event", "history", "History", "length", "Map", "Node", "parent", "Range", "Selection", "Set", "Text"],
+    "no-restricted-globals": [
+      "error",
+      "Debug",
+      "document",
+      "Document",
+      "event",
+      "history",
+      "History",
+      "length",
+      "Map",
+      "Node",
+      "parent",
+      "Range",
+      "Selection",
+      "Set",
+      "Text"
+    ],
     "no-sequences": "error",
     "no-shadow": "error",
     "no-shadow-restricted-names": "error",
-    "no-spaced-func": "error",
     "no-tabs": "error",
     "no-this-before-super": "error",
     "no-throw-literal": "error",
-    "no-trailing-spaces": "error",
     "no-undef": "error",
     "no-unneeded-ternary": "error",
     "no-unreachable": "error",
@@ -100,31 +105,24 @@
     "no-useless-rename": "error",
     "no-var": "error",
     "no-void": "error",
-    "no-whitespace-before-property": "error",
     "no-with": "error",
-    "object-curly-spacing": ["error", "always", { "objectsInObjects": false }],
-    "object-property-newline": ["error", { "allowMultiplePropertiesPerLine": true }],
     "object-shorthand": ["error", "always"],
-    "operator-linebreak": ["error", "after", { "overrides": { "?": "ignore", ":": "ignore" }}],
-    "padded-blocks": ["error", { "blocks": "never", "classes": "always" }],
     "prefer-arrow-callback": "error",
-    "prefer-const": ["error", { "destructuring": "all", "ignoreReadBeforeAssign": true }],
+    "prefer-const": [
+      "error",
+      { "destructuring": "all", "ignoreReadBeforeAssign": true }
+    ],
     "prefer-rest-params": "error",
     "prefer-spread": "error",
     "prefer-template": "error",
-    "quotes": ["error", "single", { "allowTemplateLiterals": true }],
+    "prettier/prettier": "error",
     "radix": "error",
     "react/jsx-boolean-value": ["error", "never"],
-    "react/jsx-closing-bracket-location": "error",
-    "react/jsx-curly-spacing": ["error", "never"],
-    "react/jsx-equals-spacing": "error",
-    "react/jsx-first-prop-new-line": ["error", "multiline"],
     "react/jsx-key": "error",
     "react/jsx-no-bind": "error",
     "react/jsx-no-duplicate-props": "error",
     "react/jsx-no-target-blank": "error",
     "react/jsx-no-undef": "error",
-    "react/jsx-tag-spacing": ["error", { "beforeSelfClosing": "always" }],
     "react/jsx-uses-react": "error",
     "react/jsx-uses-vars": "error",
     "react/jsx-wrap-multilines": "error",
@@ -136,19 +134,12 @@
     "react/react-in-jsx-scope": "error",
     "react/self-closing-comp": "error",
     "react/sort-prop-types": "error",
-    "rest-spread-spacing": ["error", "never"],
-    "semi": ["error", "never"],
-    "space-before-blocks": "error",
-    "space-before-function-paren": ["error", { "anonymous": "always", "named": "never" }],
-    "space-in-parens": "error",
-    "space-infix-ops": "error",
-    "space-unary-ops": ["error", { "words": true, "nonwords": false }],
-    "spaced-comment": ["error", "always", { "exceptions": ["-"]}],
-    "template-curly-spacing": "error",
-    "template-tag-spacing": ["error", "never"],
-    "unicode-bom": ["error", "never"],
+    "spaced-comment": ["error", "always", { "exceptions": ["-"] }],
     "use-isnan": "error",
-    "valid-jsdoc": ["error", { "prefer": { "return": "returns" }, "requireReturn": false }],
+    "valid-jsdoc": [
+      "error",
+      { "prefer": { "return": "returns" }, "requireReturn": false }
+    ],
     "valid-typeof": "error",
     "yield-star-spacing": ["error", "after"],
     "yoda": ["error", "never"]
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 000000000..a790ef1b4
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,5 @@
+examples/build.prod.js
+package.json
+packages/*/dist/
+packages/*/lib/
+tmp/
diff --git a/examples/check-lists/index.js b/examples/check-lists/index.js
index 348ad2dcc..a637caeec 100644
--- a/examples/check-lists/index.js
+++ b/examples/check-lists/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -12,17 +11,16 @@ import initialValue from './value.json'
  */
 
 class CheckListItem extends React.Component {
-
   /**
    * On change, set the new checked value on the block.
    *
    * @param {Event} event
    */
 
-  onChange = (event) => {
+  onChange = event => {
     const checked = event.target.checked
     const { editor, node } = this.props
-    editor.change(c => c.setNodeByKey(node.key, { data: { checked }}))
+    editor.change(c => c.setNodeByKey(node.key, { data: { checked } }))
   }
 
   /**
@@ -42,11 +40,7 @@ class CheckListItem extends React.Component {
         {...attributes}
       >
         <span>
-          <input
-            type="checkbox"
-            checked={checked}
-            onChange={this.onChange}
-          />
+          <input type="checkbox" checked={checked} onChange={this.onChange} />
         </span>
         <span contentEditable suppressContentEditableWarning>
           {children}
@@ -54,7 +48,6 @@ class CheckListItem extends React.Component {
       </div>
     )
   }
-
 }
 
 /**
@@ -64,7 +57,6 @@ class CheckListItem extends React.Component {
  */
 
 class CheckLists extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -72,7 +64,7 @@ class CheckLists extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -102,11 +94,8 @@ class CheckLists extends React.Component {
   onKeyDown = (event, change) => {
     const { value } = change
 
-    if (
-      event.key == 'Enter' &&
-      value.startBlock.type == 'check-list-item'
-    ) {
-      change.splitBlock().setBlock({ data: { checked: false }})
+    if (event.key == 'Enter' && value.startBlock.type == 'check-list-item') {
+      change.splitBlock().setBlock({ data: { checked: false } })
       return true
     }
 
@@ -151,12 +140,12 @@ class CheckLists extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     switch (props.node.type) {
-      case 'check-list-item': return <CheckListItem {...props} />
+      case 'check-list-item':
+        return <CheckListItem {...props} />
     }
   }
-
 }
 
 /**
diff --git a/examples/code-highlighting/index.js b/examples/code-highlighting/index.js
index f645e6180..64c8929bc 100644
--- a/examples/code-highlighting/index.js
+++ b/examples/code-highlighting/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -18,7 +17,9 @@ function CodeBlock(props) {
   const language = node.data.get('language')
 
   function onChange(event) {
-    editor.change(c => c.setNodeByKey(node.key, { data: { language: event.target.value }}))
+    editor.change(c =>
+      c.setNodeByKey(node.key, { data: { language: event.target.value } })
+    )
   }
 
   return (
@@ -30,7 +31,7 @@ function CodeBlock(props) {
         contentEditable={false}
         style={{ position: 'absolute', top: '5px', right: '5px' }}
       >
-        <select value={language} onChange={onChange} >
+        <select value={language} onChange={onChange}>
           <option value="css">CSS</option>
           <option value="js">JavaScript</option>
           <option value="html">HTML</option>
@@ -41,9 +42,7 @@ function CodeBlock(props) {
 }
 
 function CodeBlockLine(props) {
-  return (
-    <div {...props.attributes}>{props.children}</div>
-  )
+  return <div {...props.attributes}>{props.children}</div>
 }
 
 /**
@@ -53,7 +52,6 @@ function CodeBlockLine(props) {
  */
 
 class CodeHighlighting extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -61,7 +59,7 @@ class CodeHighlighting extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -121,10 +119,12 @@ class CodeHighlighting extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     switch (props.node.type) {
-      case 'code': return <CodeBlock {...props} />
-      case 'code_line': return <CodeBlockLine {...props} />
+      case 'code':
+        return <CodeBlock {...props} />
+      case 'code_line':
+        return <CodeBlockLine {...props} />
     }
   }
 
@@ -135,17 +135,21 @@ class CodeHighlighting extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'comment': return <span style={{ opacity: '0.33' }}>{children}</span>
-      case 'keyword': return <span style={{ fontWeight: 'bold' }}>{children}</span>
-      case 'tag': return <span style={{ fontWeight: 'bold' }}>{children}</span>
-      case 'punctuation': return <span style={{ opacity: '0.75' }}>{children}</span>
+      case 'comment':
+        return <span style={{ opacity: '0.33' }}>{children}</span>
+      case 'keyword':
+        return <span style={{ fontWeight: 'bold' }}>{children}</span>
+      case 'tag':
+        return <span style={{ fontWeight: 'bold' }}>{children}</span>
+      case 'punctuation':
+        return <span style={{ opacity: '0.75' }}>{children}</span>
     }
   }
 
-  tokenToContent = (token) => {
+  tokenToContent = token => {
     if (typeof token == 'string') {
       return token
     } else if (typeof token.content == 'string') {
@@ -162,7 +166,7 @@ class CodeHighlighting extends React.Component {
    * @return {Array}
    */
 
-  decorateNode = (node) => {
+  decorateNode = node => {
     if (node.type != 'code') return
 
     const language = node.data.get('language')
@@ -215,7 +219,6 @@ class CodeHighlighting extends React.Component {
 
     return decorations
   }
-
 }
 
 /**
diff --git a/examples/embeds/index.js b/examples/embeds/index.js
index 518982acb..8eac41b44 100644
--- a/examples/embeds/index.js
+++ b/examples/embeds/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -13,7 +12,6 @@ import initialValue from './value.json'
  */
 
 class Embeds extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -21,7 +19,7 @@ class Embeds extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -60,12 +58,12 @@ class Embeds extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     switch (props.node.type) {
-      case 'video': return <Video {...props} />
+      case 'video':
+        return <Video {...props} />
     }
   }
-
 }
 
 /**
diff --git a/examples/embeds/video.js b/examples/embeds/video.js
index 3c9feace7..98e682bd6 100644
--- a/examples/embeds/video.js
+++ b/examples/embeds/video.js
@@ -1,4 +1,3 @@
-
 import React from 'react'
 
 /**
@@ -8,17 +7,16 @@ import React from 'react'
  */
 
 class Video extends React.Component {
-
   /**
    * When the input text changes, update the `video` data on the node.
    *
    * @param {Event} e
    */
 
-  onChange = (e) => {
+  onChange = e => {
     const video = e.target.value
     const { node, editor } = this.props
-    editor.change(c => c.setNodeByKey(node.key, { data: { video }}))
+    editor.change(c => c.setNodeByKey(node.key, { data: { video } }))
   }
 
   /**
@@ -28,7 +26,7 @@ class Video extends React.Component {
    * @type {Event} e
    */
 
-  onClick = (e) => {
+  onClick = e => {
     e.stopPropagation()
   }
 
@@ -74,7 +72,7 @@ class Video extends React.Component {
     }
 
     const iframeStyle = {
-      display: 'block'
+      display: 'block',
     }
 
     return (
@@ -104,7 +102,7 @@ class Video extends React.Component {
     const video = node.data.get('video')
     const style = {
       marginTop: '5px',
-      boxSizing: 'border-box'
+      boxSizing: 'border-box',
     }
 
     return (
@@ -116,7 +114,6 @@ class Video extends React.Component {
       />
     )
   }
-
 }
 
 /**
diff --git a/examples/emojis/index.js b/examples/emojis/index.js
index 541875fbe..6308c3054 100644
--- a/examples/emojis/index.js
+++ b/examples/emojis/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -12,9 +11,24 @@ import initialValue from './value.json'
  */
 
 const EMOJIS = [
-  '😃', '😬', '😂', '😅', '😆', '😍',
-  '😱', '👋', '👏', '👍', '🙌', '👌',
-  '🙏', '👻', '🍔', '🍑', '🍆', '🔑',
+  '😃',
+  '😬',
+  '😂',
+  '😅',
+  '😆',
+  '😍',
+  '😱',
+  '👋',
+  '👏',
+  '👍',
+  '🙌',
+  '👌',
+  '🙏',
+  '👻',
+  '🍔',
+  '🍑',
+  '🍆',
+  '🔑',
 ]
 
 /**
@@ -32,7 +46,6 @@ const noop = e => e.preventDefault()
  */
 
 class Emojis extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -40,7 +53,7 @@ class Emojis extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -67,7 +80,7 @@ class Emojis extends React.Component {
     change.insertInline({
       type: 'emoji',
       isVoid: true,
-      data: { code }
+      data: { code },
     })
 
     this.onChange(change)
@@ -136,7 +149,7 @@ class Emojis extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node, isSelected } = props
     switch (node.type) {
       case 'paragraph': {
@@ -158,7 +171,6 @@ class Emojis extends React.Component {
       }
     }
   }
-
 }
 
 /**
diff --git a/examples/forced-layout/index.js b/examples/forced-layout/index.js
index 65c1929d8..dec1027c8 100644
--- a/examples/forced-layout/index.js
+++ b/examples/forced-layout/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Block, Value } from 'slate'
 import { CHILD_REQUIRED, CHILD_TYPE_INVALID } from 'slate-schema-violations'
@@ -21,15 +20,18 @@ const schema = {
     normalize: (change, violation, { node, child, index }) => {
       switch (violation) {
         case CHILD_TYPE_INVALID: {
-          return change.setNodeByKey(child.key, index == 0 ? 'title' : 'paragraph')
+          return change.setNodeByKey(
+            child.key,
+            index == 0 ? 'title' : 'paragraph'
+          )
         }
         case CHILD_REQUIRED: {
           const block = Block.create(index == 0 ? 'title' : 'paragraph')
           return change.insertNodeByKey(node.key, index, block)
         }
       }
-    }
-  }
+    },
+  },
 }
 
 /**
@@ -39,7 +41,6 @@ const schema = {
  */
 
 class ForcedLayout extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -87,14 +88,15 @@ class ForcedLayout extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node } = props
     switch (node.type) {
-      case 'title': return <h2 {...attributes}>{children}</h2>
-      case 'paragraph': return <p {...attributes}>{children}</p>
+      case 'title':
+        return <h2 {...attributes}>{children}</h2>
+      case 'paragraph':
+        return <p {...attributes}>{children}</p>
     }
   }
-
 }
 
 /**
diff --git a/examples/history/index.js b/examples/history/index.js
index baea09919..c4eb8e0df 100644
--- a/examples/history/index.js
+++ b/examples/history/index.js
@@ -1,4 +1,3 @@
-
 import { Value } from 'slate'
 import { Editor } from 'slate-react'
 
@@ -24,7 +23,6 @@ const ToolbarButton = props => (
  */
 
 class History extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -32,7 +30,7 @@ class History extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -50,7 +48,7 @@ class History extends React.Component {
    *
    */
 
-  onClickRedo = (event) => {
+  onClickRedo = event => {
     event.preventDefault()
     const { value } = this.state
     const change = value.change().redo()
@@ -62,7 +60,7 @@ class History extends React.Component {
    *
    */
 
-  onClickUndo = (event) => {
+  onClickUndo = event => {
     event.preventDefault()
     const { value } = this.state
     const change = value.change().undo()
@@ -96,12 +94,8 @@ class History extends React.Component {
       <div className="menu toolbar-menu">
         <ToolbarButton icon="undo" onMouseDown={this.onClickUndo} />
         <ToolbarButton icon="redo" onMouseDown={this.onClickRedo} />
-        <span className="button">
-          Undos: {value.history.undos.size}
-        </span>
-        <span className="button">
-          Redos: {value.history.redos.size}
-        </span>
+        <span className="button">Undos: {value.history.undos.size}</span>
+        <span className="button">Redos: {value.history.redos.size}</span>
       </div>
     )
   }
@@ -123,7 +117,6 @@ class History extends React.Component {
       </div>
     )
   }
-
 }
 
 /**
diff --git a/examples/hovering-menu/index.js b/examples/hovering-menu/index.js
index 758676af5..5bb6474f5 100644
--- a/examples/hovering-menu/index.js
+++ b/examples/hovering-menu/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -15,7 +14,6 @@ const root = window.document.querySelector('main')
  */
 
 class Menu extends React.Component {
-
   /**
    * Check if the current selection has a mark with `type` in it.
    *
@@ -69,22 +67,18 @@ class Menu extends React.Component {
    */
 
   render() {
-    return (
-      ReactDOM.createPortal(
-        <div className="menu hover-menu" ref={this.props.menuRef}>
-          {this.renderMarkButton('bold', 'format_bold')}
-          {this.renderMarkButton('italic', 'format_italic')}
-          {this.renderMarkButton('underlined', 'format_underlined')}
-          {this.renderMarkButton('code', 'code')}
-        </div>,
-        root
-      )
+    return ReactDOM.createPortal(
+      <div className="menu hover-menu" ref={this.props.menuRef}>
+        {this.renderMarkButton('bold', 'format_bold')}
+        {this.renderMarkButton('italic', 'format_italic')}
+        {this.renderMarkButton('underlined', 'format_underlined')}
+        {this.renderMarkButton('code', 'code')}
+      </div>,
+      root
     )
   }
-
 }
 
-
 /**
  * The hovering menu example.
  *
@@ -92,7 +86,6 @@ class Menu extends React.Component {
  */
 
 class HoveringMenu extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -100,7 +93,7 @@ class HoveringMenu extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -134,7 +127,10 @@ class HoveringMenu extends React.Component {
     const rect = range.getBoundingClientRect()
     menu.style.opacity = 1
     menu.style.top = `${rect.top + window.scrollY - menu.offsetHeight}px`
-    menu.style.left = `${rect.left + window.scrollX - menu.offsetWidth / 2 + rect.width / 2}px`
+    menu.style.left = `${rect.left +
+      window.scrollX -
+      menu.offsetWidth / 2 +
+      rect.width / 2}px`
   }
 
   /**
@@ -153,7 +149,7 @@ class HoveringMenu extends React.Component {
    * @param {Menu} menu
    */
 
-  menuRef = (menu) => {
+  menuRef = menu => {
     this.menu = menu
   }
 
@@ -190,16 +186,19 @@ class HoveringMenu extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'bold': return <strong>{children}</strong>
-      case 'code': return <code>{children}</code>
-      case 'italic': return <em>{children}</em>
-      case 'underlined': return <u>{children}</u>
+      case 'bold':
+        return <strong>{children}</strong>
+      case 'code':
+        return <code>{children}</code>
+      case 'italic':
+        return <em>{children}</em>
+      case 'underlined':
+        return <u>{children}</u>
     }
   }
-
 }
 
 /**
diff --git a/examples/huge-document/index.js b/examples/huge-document/index.js
index 6aba88dfc..b4993f821 100644
--- a/examples/huge-document/index.js
+++ b/examples/huge-document/index.js
@@ -16,21 +16,21 @@ const HEADINGS = 100
 const PARAGRAPHS = 8 // Paragraphs per heading
 const nodes = []
 const json = {
-  document: { nodes }
+  document: { nodes },
 }
 
 for (let h = 0; h < HEADINGS; h++) {
   nodes.push({
     object: 'block',
     type: 'heading',
-    nodes: [{ object: 'text', leaves: [{ text: faker.lorem.sentence() }] }]
+    nodes: [{ object: 'text', leaves: [{ text: faker.lorem.sentence() }] }],
   })
 
   for (let p = 0; p < PARAGRAPHS; p++) {
     nodes.push({
       object: 'block',
       type: 'paragraph',
-      nodes: [{ object: 'text', leaves: [{ text: faker.lorem.paragraph() }] }]
+      nodes: [{ object: 'text', leaves: [{ text: faker.lorem.paragraph() }] }],
     })
   }
 }
@@ -42,7 +42,6 @@ for (let h = 0; h < HEADINGS; h++) {
  */
 
 class HugeDocument extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -95,10 +94,11 @@ class HugeDocument extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node } = props
     switch (node.type) {
-      case 'heading': return <h1 {...attributes}>{children}</h1>
+      case 'heading':
+        return <h1 {...attributes}>{children}</h1>
     }
   }
 
@@ -109,16 +109,19 @@ class HugeDocument extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'bold': return <strong>{children}</strong>
-      case 'code': return <code>{children}</code>
-      case 'italic': return <em>{children}</em>
-      case 'underlined': return <u>{children}</u>
+      case 'bold':
+        return <strong>{children}</strong>
+      case 'code':
+        return <code>{children}</code>
+      case 'italic':
+        return <em>{children}</em>
+      case 'underlined':
+        return <u>{children}</u>
     }
   }
-
 }
 
 /**
diff --git a/examples/images/index.js b/examples/images/index.js
index be536985b..a78bf17f3 100644
--- a/examples/images/index.js
+++ b/examples/images/index.js
@@ -1,4 +1,3 @@
-
 import { Editor, getEventRange, getEventTransfer } from 'slate-react'
 import { Block, Value } from 'slate'
 import { LAST_CHILD_TYPE_INVALID } from 'slate-schema-violations'
@@ -35,7 +34,7 @@ function insertImage(change, src, target) {
   change.insertBlock({
     type: 'image',
     isVoid: true,
-    data: { src }
+    data: { src },
   })
 }
 
@@ -55,8 +54,8 @@ const schema = {
           return change.insertNodeByKey(node.key, node.nodes.size, paragraph)
         }
       }
-    }
-  }
+    },
+  },
 }
 
 /**
@@ -66,7 +65,6 @@ const schema = {
  */
 
 class Images extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -74,7 +72,7 @@ class Images extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -137,7 +135,7 @@ class Images extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, node, isSelected } = props
     switch (node.type) {
       case 'image': {
@@ -167,14 +165,12 @@ class Images extends React.Component {
    * @param {Event} event
    */
 
-  onClickImage = (event) => {
+  onClickImage = event => {
     event.preventDefault()
     const src = window.prompt('Enter the URL of the image:')
     if (!src) return
 
-    const change = this.state.value
-      .change()
-      .call(insertImage, src)
+    const change = this.state.value.change().call(insertImage, src)
 
     this.onChange(change)
   }
@@ -197,11 +193,11 @@ class Images extends React.Component {
     if (type == 'files') {
       for (const file of files) {
         const reader = new FileReader()
-        const [ mime ] = file.type.split('/')
+        const [mime] = file.type.split('/')
         if (mime != 'image') continue
 
         reader.addEventListener('load', () => {
-          editor.change((c) => {
+          editor.change(c => {
             c.call(insertImage, reader.result, target)
           })
         })
@@ -216,7 +212,6 @@ class Images extends React.Component {
       change.call(insertImage, text, target)
     }
   }
-
 }
 
 /**
diff --git a/examples/index.js b/examples/index.js
index 5130c3737..64a434d86 100644
--- a/examples/index.js
+++ b/examples/index.js
@@ -1,4 +1,3 @@
-
 import React from 'react'
 import ReactDOM from 'react-dom'
 import { HashRouter, NavLink, Route, Redirect, Switch } from 'react-router-dom'
@@ -62,7 +61,6 @@ const EXAMPLES = [
  */
 
 class App extends React.Component {
-
   state = {
     error: null,
     info: null,
@@ -78,20 +76,30 @@ class App extends React.Component {
         <div className="nav">
           <span className="nav-title">Slate Examples</span>
           <div className="nav-links">
-            <a className="nav-link" href="https://github.com/ianstormtaylor/slate">GitHub</a>
-            <a className="nav-link" href="https://docs.slatejs.org/">Docs</a>
+            <a
+              className="nav-link"
+              href="https://github.com/ianstormtaylor/slate"
+            >
+              GitHub
+            </a>
+            <a className="nav-link" href="https://docs.slatejs.org/">
+              Docs
+            </a>
           </div>
         </div>
         <div className="tabs">
-          {EXAMPLES.map(([ name, Component, path ]) => (
-            <NavLink key={path} to={path} className="tab"activeClassName="active">
+          {EXAMPLES.map(([name, Component, path]) => (
+            <NavLink
+              key={path}
+              to={path}
+              className="tab"
+              activeClassName="active"
+            >
               {name}
             </NavLink>
           ))}
         </div>
-        {this.state.error
-          ? this.renderError()
-          : this.renderExample()}
+        {this.state.error ? this.renderError() : this.renderExample()}
       </div>
     )
   }
@@ -100,7 +108,7 @@ class App extends React.Component {
     return (
       <div className="example">
         <Switch>
-          {EXAMPLES.map(([ name, Component, path ]) => (
+          {EXAMPLES.map(([name, Component, path]) => (
             <Route key={path} path={path} component={Component} />
           ))}
           <Redirect from="/" to="/rich-text" />
@@ -112,9 +120,7 @@ class App extends React.Component {
   renderError() {
     return (
       <div className="error">
-        <p>
-          An error was thrown by one of the example's React components!
-        </p>
+        <p>An error was thrown by one of the example's React components!</p>
         <pre className="info">
           <code>
             {this.state.error.stack}
@@ -125,7 +131,6 @@ class App extends React.Component {
       </div>
     )
   }
-
 }
 
 /**
@@ -134,7 +139,11 @@ class App extends React.Component {
  * @type {Element} router
  */
 
-const router = <HashRouter><App /></HashRouter>
+const router = (
+  <HashRouter>
+    <App />
+  </HashRouter>
+)
 
 /**
  * Mount the router.
diff --git a/examples/links/index.js b/examples/links/index.js
index 8a05cad9e..953408764 100644
--- a/examples/links/index.js
+++ b/examples/links/index.js
@@ -1,4 +1,3 @@
-
 import { Editor, getEventTransfer } from 'slate-react'
 import { Value } from 'slate'
 
@@ -16,7 +15,7 @@ import isUrl from 'is-url'
 function wrapLink(change, href) {
   change.wrapInline({
     type: 'link',
-    data: { href }
+    data: { href },
   })
 
   change.collapseToEnd()
@@ -39,7 +38,6 @@ function unwrapLink(change) {
  */
 
 class Links extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -47,7 +45,7 @@ class Links extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -78,7 +76,7 @@ class Links extends React.Component {
    * @param {Event} event
    */
 
-  onClickLink = (event) => {
+  onClickLink = event => {
     event.preventDefault()
     const { value } = this.state
     const hasLinks = this.hasLinks()
@@ -86,14 +84,10 @@ class Links extends React.Component {
 
     if (hasLinks) {
       change.call(unwrapLink)
-    }
-
-    else if (value.isExpanded) {
+    } else if (value.isExpanded) {
       const href = window.prompt('Enter the URL of the link:')
       change.call(wrapLink, href)
-    }
-
-    else {
+    } else {
       const href = window.prompt('Enter the URL of the link:')
       const text = window.prompt('Enter the text for the link:')
       change
@@ -153,7 +147,11 @@ class Links extends React.Component {
     const hasLinks = this.hasLinks()
     return (
       <div className="menu toolbar-menu">
-        <span className="button" onMouseDown={this.onClickLink} data-active={hasLinks}>
+        <span
+          className="button"
+          onMouseDown={this.onClickLink}
+          data-active={hasLinks}
+        >
           <span className="material-icons">link</span>
         </span>
       </div>
@@ -187,17 +185,20 @@ class Links extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node } = props
     switch (node.type) {
       case 'link': {
         const { data } = node
         const href = data.get('href')
-        return <a {...attributes} href={href}>{children}</a>
+        return (
+          <a {...attributes} href={href}>
+            {children}
+          </a>
+        )
       }
     }
   }
-
 }
 
 /**
diff --git a/examples/markdown-preview/index.js b/examples/markdown-preview/index.js
index 01aeb9fd0..9bd7812a0 100644
--- a/examples/markdown-preview/index.js
+++ b/examples/markdown-preview/index.js
@@ -1,4 +1,3 @@
-
 import Plain from 'slate-plain-serializer'
 import { Editor } from 'slate-react'
 
@@ -10,7 +9,7 @@ import React from 'react'
  */
 
 // eslint-disable-next-line
-Prism.languages.markdown=Prism.languages.extend("markup",{}),Prism.languages.insertBefore("markdown","prolog",{blockquote:{pattern:/^>(?:[\t ]*>)*/m,alias:"punctuation"},code:[{pattern:/^(?: {4}|\t).+/m,alias:"keyword"},{pattern:/``.+?``|`[^`\n]+`/,alias:"keyword"}],title:[{pattern:/\w+.*(?:\r?\n|\r)(?:==+|--+)/,alias:"important",inside:{punctuation:/==+$|--+$/}},{pattern:/(^\s*)#+.+/m,lookbehind:!0,alias:"important",inside:{punctuation:/^#+|#+$/}}],hr:{pattern:/(^\s*)([*-])([\t ]*\2){2,}(?=\s*$)/m,lookbehind:!0,alias:"punctuation"},list:{pattern:/(^\s*)(?:[*+-]|\d+\.)(?=[\t ].)/m,lookbehind:!0,alias:"punctuation"},"url-reference":{pattern:/!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:\\.|[^>\\])+>)(?:[\t ]+(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\)))?/,inside:{variable:{pattern:/^(!?\[)[^\]]+/,lookbehind:!0},string:/(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\))$/,punctuation:/^[\[\]!:]|[<>]/},alias:"url"},bold:{pattern:/(^|[^\\])(\*\*|__)(?:(?:\r?\n|\r)(?!\r?\n|\r)|.)+?\2/,lookbehind:!0,inside:{punctuation:/^\*\*|^__|\*\*$|__$/}},italic:{pattern:/(^|[^\\])([*_])(?:(?:\r?\n|\r)(?!\r?\n|\r)|.)+?\2/,lookbehind:!0,inside:{punctuation:/^[*_]|[*_]$/}},url:{pattern:/!?\[[^\]]+\](?:\([^\s)]+(?:[\t ]+"(?:\\.|[^"\\])*")?\)| ?\[[^\]\n]*\])/,inside:{variable:{pattern:/(!?\[)[^\]]+(?=\]$)/,lookbehind:!0},string:{pattern:/"(?:\\.|[^"\\])*"(?=\)$)/}}}}),Prism.languages.markdown.bold.inside.url=Prism.util.clone(Prism.languages.markdown.url),Prism.languages.markdown.italic.inside.url=Prism.util.clone(Prism.languages.markdown.url),Prism.languages.markdown.bold.inside.italic=Prism.util.clone(Prism.languages.markdown.italic),Prism.languages.markdown.italic.inside.bold=Prism.util.clone(Prism.languages.markdown.bold);
+;Prism.languages.markdown=Prism.languages.extend("markup",{}),Prism.languages.insertBefore("markdown","prolog",{blockquote:{pattern:/^>(?:[\t ]*>)*/m,alias:"punctuation"},code:[{pattern:/^(?: {4}|\t).+/m,alias:"keyword"},{pattern:/``.+?``|`[^`\n]+`/,alias:"keyword"}],title:[{pattern:/\w+.*(?:\r?\n|\r)(?:==+|--+)/,alias:"important",inside:{punctuation:/==+$|--+$/}},{pattern:/(^\s*)#+.+/m,lookbehind:!0,alias:"important",inside:{punctuation:/^#+|#+$/}}],hr:{pattern:/(^\s*)([*-])([\t ]*\2){2,}(?=\s*$)/m,lookbehind:!0,alias:"punctuation"},list:{pattern:/(^\s*)(?:[*+-]|\d+\.)(?=[\t ].)/m,lookbehind:!0,alias:"punctuation"},"url-reference":{pattern:/!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:\\.|[^>\\])+>)(?:[\t ]+(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\)))?/,inside:{variable:{pattern:/^(!?\[)[^\]]+/,lookbehind:!0},string:/(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\))$/,punctuation:/^[\[\]!:]|[<>]/},alias:"url"},bold:{pattern:/(^|[^\\])(\*\*|__)(?:(?:\r?\n|\r)(?!\r?\n|\r)|.)+?\2/,lookbehind:!0,inside:{punctuation:/^\*\*|^__|\*\*$|__$/}},italic:{pattern:/(^|[^\\])([*_])(?:(?:\r?\n|\r)(?!\r?\n|\r)|.)+?\2/,lookbehind:!0,inside:{punctuation:/^[*_]|[*_]$/}},url:{pattern:/!?\[[^\]]+\](?:\([^\s)]+(?:[\t ]+"(?:\\.|[^"\\])*")?\)| ?\[[^\]\n]*\])/,inside:{variable:{pattern:/(!?\[)[^\]]+(?=\]$)/,lookbehind:!0},string:{pattern:/"(?:\\.|[^"\\])*"(?=\)$)/}}}}),Prism.languages.markdown.bold.inside.url=Prism.util.clone(Prism.languages.markdown.url),Prism.languages.markdown.italic.inside.url=Prism.util.clone(Prism.languages.markdown.url),Prism.languages.markdown.bold.inside.italic=Prism.util.clone(Prism.languages.markdown.italic),Prism.languages.markdown.italic.inside.bold=Prism.util.clone(Prism.languages.markdown.bold); // prettier-ignore
 
 /**
  * The markdown preview example.
@@ -19,7 +18,6 @@ Prism.languages.markdown=Prism.languages.extend("markup",{}),Prism.languages.ins
  */
 
 class MarkdownPreview extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -27,7 +25,9 @@ class MarkdownPreview extends React.Component {
    */
 
   state = {
-    value: Plain.deserialize('Slate is flexible enough to add **decorators** that can format text based on its content. For example, this editor has **Markdown** preview decorators on it, to make it _dead_ simple to make an editor with built-in Markdown previewing.\n## Try it out!\nTry it out for yourself!')
+    value: Plain.deserialize(
+      'Slate is flexible enough to add **decorators** that can format text based on its content. For example, this editor has **Markdown** preview decorators on it, to make it _dead_ simple to make an editor with built-in Markdown previewing.\n## Try it out!\nTry it out for yourself!'
+    ),
   }
 
   /**
@@ -68,37 +68,56 @@ class MarkdownPreview extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'bold': return <strong>{children}</strong>
-      case 'code': return <code>{children}</code>
-      case 'italic': return <em>{children}</em>
-      case 'underlined': return <u>{children}</u>
+      case 'bold':
+        return <strong>{children}</strong>
+      case 'code':
+        return <code>{children}</code>
+      case 'italic':
+        return <em>{children}</em>
+      case 'underlined':
+        return <u>{children}</u>
       case 'title': {
         return (
-          <span style={{ fontWeight: 'bold', fontSize: '20px', margin: '20px 0 10px 0', display: 'inline-block' }}>
+          <span
+            style={{
+              fontWeight: 'bold',
+              fontSize: '20px',
+              margin: '20px 0 10px 0',
+              display: 'inline-block',
+            }}
+          >
             {children}
           </span>
         )
       }
       case 'punctuation': {
-        return (
-          <span style={{ opacity: 0.2 }}>
-            {children}
-          </span>
-        )
+        return <span style={{ opacity: 0.2 }}>{children}</span>
       }
       case 'list': {
         return (
-          <span style={{ paddingLeft: '10px', lineHeight: '10px', fontSize: '20px' }}>
+          <span
+            style={{
+              paddingLeft: '10px',
+              lineHeight: '10px',
+              fontSize: '20px',
+            }}
+          >
             {children}
           </span>
         )
       }
       case 'hr': {
         return (
-          <span style={{ borderBottom: '2px solid #000', display: 'block', opacity: 0.2 }}>
+          <span
+            style={{
+              borderBottom: '2px solid #000',
+              display: 'block',
+              opacity: 0.2,
+            }}
+          >
             {children}
           </span>
         )
@@ -168,13 +187,11 @@ class MarkdownPreview extends React.Component {
         decorations.push(range)
       }
 
-
       start = end
     }
 
     return decorations
   }
-
 }
 
 /**
diff --git a/examples/markdown-shortcuts/index.js b/examples/markdown-shortcuts/index.js
index 9d21d967a..f1afe6a4a 100644
--- a/examples/markdown-shortcuts/index.js
+++ b/examples/markdown-shortcuts/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -12,7 +11,6 @@ import initialValue from './value.json'
  */
 
 class MarkdownShortcuts extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -20,7 +18,7 @@ class MarkdownShortcuts extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -30,19 +28,28 @@ class MarkdownShortcuts extends React.Component {
    * @return {String} block
    */
 
-  getType = (chars) => {
+  getType = chars => {
     switch (chars) {
       case '*':
       case '-':
-      case '+': return 'list-item'
-      case '>': return 'block-quote'
-      case '#': return 'heading-one'
-      case '##': return 'heading-two'
-      case '###': return 'heading-three'
-      case '####': return 'heading-four'
-      case '#####': return 'heading-five'
-      case '######': return 'heading-six'
-      default: return null
+      case '+':
+        return 'list-item'
+      case '>':
+        return 'block-quote'
+      case '#':
+        return 'heading-one'
+      case '##':
+        return 'heading-two'
+      case '###':
+        return 'heading-three'
+      case '####':
+        return 'heading-four'
+      case '#####':
+        return 'heading-five'
+      case '######':
+        return 'heading-six'
+      default:
+        return null
     }
   }
 
@@ -74,18 +81,27 @@ class MarkdownShortcuts extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node } = props
     switch (node.type) {
-      case 'block-quote': return <blockquote {...attributes}>{children}</blockquote>
-      case 'bulleted-list': return <ul {...attributes}>{children}</ul>
-      case 'heading-one': return <h1 {...attributes}>{children}</h1>
-      case 'heading-two': return <h2 {...attributes}>{children}</h2>
-      case 'heading-three': return <h3 {...attributes}>{children}</h3>
-      case 'heading-four': return <h4 {...attributes}>{children}</h4>
-      case 'heading-five': return <h5 {...attributes}>{children}</h5>
-      case 'heading-six': return <h6 {...attributes}>{children}</h6>
-      case 'list-item': return <li {...attributes}>{children}</li>
+      case 'block-quote':
+        return <blockquote {...attributes}>{children}</blockquote>
+      case 'bulleted-list':
+        return <ul {...attributes}>{children}</ul>
+      case 'heading-one':
+        return <h1 {...attributes}>{children}</h1>
+      case 'heading-two':
+        return <h2 {...attributes}>{children}</h2>
+      case 'heading-three':
+        return <h3 {...attributes}>{children}</h3>
+      case 'heading-four':
+        return <h4 {...attributes}>{children}</h4>
+      case 'heading-five':
+        return <h5 {...attributes}>{children}</h5>
+      case 'heading-six':
+        return <h6 {...attributes}>{children}</h6>
+      case 'list-item':
+        return <li {...attributes}>{children}</li>
     }
   }
 
@@ -108,9 +124,12 @@ class MarkdownShortcuts extends React.Component {
 
   onKeyDown = (event, change) => {
     switch (event.key) {
-      case ' ': return this.onSpace(event, change)
-      case 'Backspace': return this.onBackspace(event, change)
-      case 'Enter': return this.onEnter(event, change)
+      case ' ':
+        return this.onSpace(event, change)
+      case 'Backspace':
+        return this.onBackspace(event, change)
+      case 'Enter':
+        return this.onEnter(event, change)
     }
   }
 
@@ -183,7 +202,8 @@ class MarkdownShortcuts extends React.Component {
     if (value.isExpanded) return
 
     const { startBlock, startOffset, endOffset } = value
-    if (startOffset == 0 && startBlock.text.length == 0) return this.onBackspace(event, change)
+    if (startOffset == 0 && startBlock.text.length == 0)
+      return this.onBackspace(event, change)
     if (endOffset != startBlock.text.length) return
 
     if (
@@ -202,7 +222,6 @@ class MarkdownShortcuts extends React.Component {
     change.splitBlock().setBlock('paragraph')
     return true
   }
-
 }
 
 /**
diff --git a/examples/paste-html/index.js b/examples/paste-html/index.js
index f63bc9fb9..bf20ddd96 100644
--- a/examples/paste-html/index.js
+++ b/examples/paste-html/index.js
@@ -1,4 +1,3 @@
-
 import Html from 'slate-html-serializer'
 import { Editor, getEventTransfer } from 'slate-react'
 import { Value } from 'slate'
@@ -24,7 +23,7 @@ const BLOCK_TAGS = {
   h3: 'heading-three',
   h4: 'heading-four',
   h5: 'heading-five',
-  h6: 'heading-six'
+  h6: 'heading-six',
 }
 
 /**
@@ -38,7 +37,7 @@ const MARK_TAGS = {
   em: 'italic',
   u: 'underline',
   s: 'strikethrough',
-  code: 'code'
+  code: 'code',
 }
 
 /**
@@ -55,9 +54,9 @@ const RULES = [
       return {
         object: 'block',
         type: block,
-        nodes: next(el.childNodes)
+        nodes: next(el.childNodes),
       }
-    }
+    },
   },
   {
     deserialize(el, next) {
@@ -66,25 +65,26 @@ const RULES = [
       return {
         object: 'mark',
         type: mark,
-        nodes: next(el.childNodes)
+        nodes: next(el.childNodes),
       }
-    }
+    },
   },
   {
     // Special case for code blocks, which need to grab the nested childNodes.
     deserialize(el, next) {
       if (el.tagName.toLowerCase() != 'pre') return
       const code = el.childNodes[0]
-      const childNodes = code && code.tagName.toLowerCase() == 'code'
-        ? code.childNodes
-        : el.childNodes
+      const childNodes =
+        code && code.tagName.toLowerCase() == 'code'
+          ? code.childNodes
+          : el.childNodes
 
       return {
         object: 'block',
         type: 'code',
-        nodes: next(childNodes)
+        nodes: next(childNodes),
       }
-    }
+    },
   },
   {
     // Special case for images, to grab their src.
@@ -96,10 +96,10 @@ const RULES = [
         isVoid: true,
         nodes: next(el.childNodes),
         data: {
-          src: el.getAttribute('src')
-        }
+          src: el.getAttribute('src'),
+        },
       }
-    }
+    },
   },
   {
     // Special case for links, to grab their href.
@@ -110,11 +110,11 @@ const RULES = [
         type: 'link',
         nodes: next(el.childNodes),
         data: {
-          href: el.getAttribute('href')
-        }
+          href: el.getAttribute('href'),
+        },
       }
-    }
-  }
+    },
+  },
 ]
 
 /**
@@ -132,7 +132,6 @@ const serializer = new Html({ rules: RULES })
  */
 
 class PasteHtml extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -140,7 +139,7 @@ class PasteHtml extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -196,24 +195,43 @@ class PasteHtml extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node, isSelected } = props
     switch (node.type) {
-      case 'quote': return <blockquote {...attributes}>{children}</blockquote>
-      case 'code': return <pre><code {...attributes}>{children}</code></pre>
-      case 'bulleted-list': return <ul {...attributes}>{children}</ul>
-      case 'heading-one': return <h1 {...attributes}>{children}</h1>
-      case 'heading-two': return <h2 {...attributes}>{children}</h2>
-      case 'heading-three': return <h3 {...attributes}>{children}</h3>
-      case 'heading-four': return <h4 {...attributes}>{children}</h4>
-      case 'heading-five': return <h5 {...attributes}>{children}</h5>
-      case 'heading-six': return <h6 {...attributes}>{children}</h6>
-      case 'list-item': return <li {...attributes}>{children}</li>
-      case 'numbered-list': return <ol {...attributes}>{children}</ol>
+      case 'quote':
+        return <blockquote {...attributes}>{children}</blockquote>
+      case 'code':
+        return (
+          <pre>
+            <code {...attributes}>{children}</code>
+          </pre>
+        )
+      case 'bulleted-list':
+        return <ul {...attributes}>{children}</ul>
+      case 'heading-one':
+        return <h1 {...attributes}>{children}</h1>
+      case 'heading-two':
+        return <h2 {...attributes}>{children}</h2>
+      case 'heading-three':
+        return <h3 {...attributes}>{children}</h3>
+      case 'heading-four':
+        return <h4 {...attributes}>{children}</h4>
+      case 'heading-five':
+        return <h5 {...attributes}>{children}</h5>
+      case 'heading-six':
+        return <h6 {...attributes}>{children}</h6>
+      case 'list-item':
+        return <li {...attributes}>{children}</li>
+      case 'numbered-list':
+        return <ol {...attributes}>{children}</ol>
       case 'link': {
         const { data } = node
         const href = data.get('href')
-        return <a href={href} {...attributes}>{children}</a>
+        return (
+          <a href={href} {...attributes}>
+            {children}
+          </a>
+        )
       }
       case 'image': {
         const src = node.data.get('src')
@@ -233,16 +251,19 @@ class PasteHtml extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'bold': return <strong>{children}</strong>
-      case 'code': return <code>{children}</code>
-      case 'italic': return <em>{children}</em>
-      case 'underlined': return <u>{children}</u>
+      case 'bold':
+        return <strong>{children}</strong>
+      case 'code':
+        return <code>{children}</code>
+      case 'italic':
+        return <em>{children}</em>
+      case 'underlined':
+        return <u>{children}</u>
     }
   }
-
 }
 
 /**
diff --git a/examples/plain-text/index.js b/examples/plain-text/index.js
index b68f57650..931a3b6af 100644
--- a/examples/plain-text/index.js
+++ b/examples/plain-text/index.js
@@ -1,4 +1,3 @@
-
 import Plain from 'slate-plain-serializer'
 import { Editor } from 'slate-react'
 
@@ -11,7 +10,6 @@ import React from 'react'
  */
 
 class PlainText extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -19,7 +17,9 @@ class PlainText extends React.Component {
    */
 
   state = {
-    value: Plain.deserialize('This is editable plain text, just like a <textarea>!')
+    value: Plain.deserialize(
+      'This is editable plain text, just like a <textarea>!'
+    ),
   }
 
   /**
@@ -49,7 +49,6 @@ class PlainText extends React.Component {
       </div>
     )
   }
-
 }
 
 /**
diff --git a/examples/plugins/index.js b/examples/plugins/index.js
index 91f4e104c..5742c4307 100644
--- a/examples/plugins/index.js
+++ b/examples/plugins/index.js
@@ -1,4 +1,3 @@
-
 import Plain from 'slate-plain-serializer'
 import { Editor } from 'slate-react'
 
@@ -18,15 +17,13 @@ function WordCount(options) {
     renderEditor(props) {
       return (
         <div>
-          <div>
-            {props.children}
-          </div>
+          <div>{props.children}</div>
           <span className="word-counter">
             Word Count: {props.value.document.text.split(' ').length}
           </span>
         </div>
       )
-    }
+    },
   }
 }
 
@@ -34,11 +31,7 @@ function WordCount(options) {
  * Plugins.
  */
 
-const plugins = [
-  CollapseOnEscape(),
-  SoftBreak(),
-  WordCount()
-]
+const plugins = [CollapseOnEscape(), SoftBreak(), WordCount()]
 
 /**
  * The plugins example.
@@ -47,7 +40,6 @@ const plugins = [
  */
 
 class Plugins extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -58,7 +50,7 @@ class Plugins extends React.Component {
     value: Plain.deserialize(`This example shows how you can extend Slate with plugins! It uses four fairly simple plugins, but you can use any plugins you want, or write your own!
 The first is a simple plugin to collapse the selection whenever the escape key is pressed. Try selecting some text and pressing escape.
 The second is another simple plugin that inserts a "soft" break when enter is pressed instead of creating a new block. Try pressing enter!
-The third is an example of using the plugin.render property to create a higher-order-component.`)
+The third is an example of using the plugin.render property to create a higher-order-component.`),
   }
 
   /**
@@ -89,7 +81,6 @@ The third is an example of using the plugin.render property to create a higher-o
       </div>
     )
   }
-
 }
 
 /**
diff --git a/examples/read-only/index.js b/examples/read-only/index.js
index da79a86df..6d5ea068f 100644
--- a/examples/read-only/index.js
+++ b/examples/read-only/index.js
@@ -1,4 +1,3 @@
-
 import Plain from 'slate-plain-serializer'
 import { Editor } from 'slate-react'
 
@@ -11,7 +10,6 @@ import React from 'react'
  */
 
 class ReadOnly extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -19,7 +17,9 @@ class ReadOnly extends React.Component {
    */
 
   state = {
-    value: Plain.deserialize('This is read-only text. You should not be able to edit it, which is useful for scenarios where you want to render via Slate, without giving the user editing permissions.')
+    value: Plain.deserialize(
+      'This is read-only text. You should not be able to edit it, which is useful for scenarios where you want to render via Slate, without giving the user editing permissions.'
+    ),
   }
 
   /**
@@ -50,7 +50,6 @@ class ReadOnly extends React.Component {
       </div>
     )
   }
-
 }
 
 /**
diff --git a/examples/rich-text/index.js b/examples/rich-text/index.js
index d8fb2673a..4f9ed72c4 100644
--- a/examples/rich-text/index.js
+++ b/examples/rich-text/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -32,7 +31,6 @@ const isCodeHotkey = isKeyHotkey('mod+`')
  */
 
 class RichTextExample extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -50,7 +48,7 @@ class RichTextExample extends React.Component {
    * @return {Boolean}
    */
 
-  hasMark = (type) => {
+  hasMark = type => {
     const { value } = this.state
     return value.activeMarks.some(mark => mark.type == type)
   }
@@ -62,7 +60,7 @@ class RichTextExample extends React.Component {
    * @return {Boolean}
    */
 
-  hasBlock = (type) => {
+  hasBlock = type => {
     const { value } = this.state
     return value.blocks.some(node => node.type == type)
   }
@@ -142,18 +140,13 @@ class RichTextExample extends React.Component {
           .setBlock(isActive ? DEFAULT_NODE : type)
           .unwrapBlock('bulleted-list')
           .unwrapBlock('numbered-list')
+      } else {
+        change.setBlock(isActive ? DEFAULT_NODE : type)
       }
-
-      else {
-        change
-          .setBlock(isActive ? DEFAULT_NODE : type)
-      }
-    }
-
-    // Handle the extra wrapping required for list buttons.
-    else {
+    } else {
+      // Handle the extra wrapping required for list buttons.
       const isList = this.hasBlock('list-item')
-      const isType = value.blocks.some((block) => {
+      const isType = value.blocks.some(block => {
         return !!document.getClosest(block.key, parent => parent.type == type)
       })
 
@@ -164,12 +157,12 @@ class RichTextExample extends React.Component {
           .unwrapBlock('numbered-list')
       } else if (isList) {
         change
-          .unwrapBlock(type == 'bulleted-list' ? 'numbered-list' : 'bulleted-list')
+          .unwrapBlock(
+            type == 'bulleted-list' ? 'numbered-list' : 'bulleted-list'
+          )
           .wrapBlock(type)
       } else {
-        change
-          .setBlock('list-item')
-          .wrapBlock(type)
+        change.setBlock('list-item').wrapBlock(type)
       }
     }
 
@@ -282,15 +275,21 @@ class RichTextExample extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node } = props
     switch (node.type) {
-      case 'block-quote': return <blockquote {...attributes}>{children}</blockquote>
-      case 'bulleted-list': return <ul {...attributes}>{children}</ul>
-      case 'heading-one': return <h1 {...attributes}>{children}</h1>
-      case 'heading-two': return <h2 {...attributes}>{children}</h2>
-      case 'list-item': return <li {...attributes}>{children}</li>
-      case 'numbered-list': return <ol {...attributes}>{children}</ol>
+      case 'block-quote':
+        return <blockquote {...attributes}>{children}</blockquote>
+      case 'bulleted-list':
+        return <ul {...attributes}>{children}</ul>
+      case 'heading-one':
+        return <h1 {...attributes}>{children}</h1>
+      case 'heading-two':
+        return <h2 {...attributes}>{children}</h2>
+      case 'list-item':
+        return <li {...attributes}>{children}</li>
+      case 'numbered-list':
+        return <ol {...attributes}>{children}</ol>
     }
   }
 
@@ -301,16 +300,19 @@ class RichTextExample extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'bold': return <strong>{children}</strong>
-      case 'code': return <code>{children}</code>
-      case 'italic': return <em>{children}</em>
-      case 'underlined': return <u>{children}</u>
+      case 'bold':
+        return <strong>{children}</strong>
+      case 'code':
+        return <code>{children}</code>
+      case 'italic':
+        return <em>{children}</em>
+      case 'underlined':
+        return <u>{children}</u>
     }
   }
-
 }
 
 /**
diff --git a/examples/rtl/index.js b/examples/rtl/index.js
index fecaec768..34bd46c02 100644
--- a/examples/rtl/index.js
+++ b/examples/rtl/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -12,7 +11,6 @@ import initialValue from './value.json'
  */
 
 class RTL extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -20,7 +18,7 @@ class RTL extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -75,13 +73,13 @@ class RTL extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node } = props
     switch (node.type) {
-      case 'block-quote': return <blockquote {...attributes}>{children}</blockquote>
+      case 'block-quote':
+        return <blockquote {...attributes}>{children}</blockquote>
     }
   }
-
 }
 
 /**
diff --git a/examples/search-highlighting/index.js b/examples/search-highlighting/index.js
index 217856989..684da78b1 100644
--- a/examples/search-highlighting/index.js
+++ b/examples/search-highlighting/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -12,7 +11,6 @@ import initialValue from './value.json'
  */
 
 class SearchHighlighting extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -39,13 +37,13 @@ class SearchHighlighting extends React.Component {
    * @param {Event} event
    */
 
-  onInputChange = (event) => {
+  onInputChange = event => {
     const { value } = this.state
     const string = event.target.value
     const texts = value.document.getTexts()
     const decorations = []
 
-    texts.forEach((node) => {
+    texts.forEach(node => {
       const { key, text } = node
       const parts = text.split(string)
       let offset = 0
@@ -69,7 +67,8 @@ class SearchHighlighting extends React.Component {
     // to the undo/redo stack and clearing the redo stack if the user has undone
     // changes.
 
-    const change = value.change()
+    const change = value
+      .change()
       .setOperationFlag('save', false)
       .setValue({ decorations })
       .setOperationFlag('save', true)
@@ -140,13 +139,13 @@ class SearchHighlighting extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'highlight': return <span style={{ backgroundColor: '#ffeeba' }}>{children}</span>
+      case 'highlight':
+        return <span style={{ backgroundColor: '#ffeeba' }}>{children}</span>
     }
   }
-
 }
 
 /**
diff --git a/examples/syncing-operations/index.js b/examples/syncing-operations/index.js
index ab0d7bad8..b7c7fd8c3 100644
--- a/examples/syncing-operations/index.js
+++ b/examples/syncing-operations/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -24,7 +23,6 @@ const isCodeHotkey = isKeyHotkey('mod+`')
  */
 
 class SyncingEditor extends React.Component {
-
   /**
    * Deserialize the initial editor value.
    *
@@ -42,7 +40,7 @@ class SyncingEditor extends React.Component {
    * @param {Array} operations
    */
 
-  applyOperations = (operations) => {
+  applyOperations = operations => {
     const { value } = this.state
     const change = value.change().applyOperations(operations)
     this.onChange(change, { remote: true })
@@ -55,7 +53,7 @@ class SyncingEditor extends React.Component {
    * @return {Boolean}
    */
 
-  hasMark = (type) => {
+  hasMark = type => {
     const { value } = this.state
     return value.activeMarks.some(mark => mark.type == type)
   }
@@ -198,16 +196,19 @@ class SyncingEditor extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'bold': return <strong>{children}</strong>
-      case 'code': return <code>{children}</code>
-      case 'italic': return <em>{children}</em>
-      case 'underlined': return <u>{children}</u>
+      case 'bold':
+        return <strong>{children}</strong>
+      case 'code':
+        return <code>{children}</code>
+      case 'italic':
+        return <em>{children}</em>
+      case 'underlined':
+        return <u>{children}</u>
     }
   }
-
 }
 
 /**
@@ -217,14 +218,13 @@ class SyncingEditor extends React.Component {
  */
 
 class SyncingOperationsExample extends React.Component {
-
   /**
    * Save a reference to editor `one`.
    *
    * @param {SyncingEditor} one
    */
 
-  oneRef = (one) => {
+  oneRef = one => {
     this.one = one
   }
 
@@ -234,7 +234,7 @@ class SyncingOperationsExample extends React.Component {
    * @param {SyncingEditor} two
    */
 
-  twoRef = (two) => {
+  twoRef = two => {
     this.two = two
   }
 
@@ -244,7 +244,7 @@ class SyncingOperationsExample extends React.Component {
    * @param {Array} operations
    */
 
-  onOneChange = (change) => {
+  onOneChange = change => {
     const ops = change.operations
       .filter(o => o.type != 'set_selection' && o.type != 'set_value')
       .toJS()
@@ -260,7 +260,7 @@ class SyncingOperationsExample extends React.Component {
    * @param {Array} operations
    */
 
-  onTwoChange = (change) => {
+  onTwoChange = change => {
     const ops = change.operations
       .filter(o => o.type != 'set_selection' && o.type != 'set_value')
       .toJS()
@@ -279,10 +279,7 @@ class SyncingOperationsExample extends React.Component {
   render() {
     return (
       <div>
-        <SyncingEditor
-          ref={this.oneRef}
-          onChange={this.onOneChange}
-        />
+        <SyncingEditor ref={this.oneRef} onChange={this.onOneChange} />
         <div
           style={{
             height: '20px',
@@ -290,14 +287,10 @@ class SyncingOperationsExample extends React.Component {
             margin: '20px -20px',
           }}
         />
-        <SyncingEditor
-          ref={this.twoRef}
-          onChange={this.onTwoChange}
-        />
+        <SyncingEditor ref={this.twoRef} onChange={this.onTwoChange} />
       </div>
     )
   }
-
 }
 
 /**
diff --git a/examples/tables/index.js b/examples/tables/index.js
index b31f511a0..e8a61e7df 100644
--- a/examples/tables/index.js
+++ b/examples/tables/index.js
@@ -1,4 +1,3 @@
-
 import { Editor } from 'slate-react'
 import { Value } from 'slate'
 
@@ -12,7 +11,6 @@ import initialValue from './value.json'
  */
 
 class Tables extends React.Component {
-
   /**
    * Deserialize the raw initial value.
    *
@@ -20,7 +18,7 @@ class Tables extends React.Component {
    */
 
   state = {
-    value: Value.fromJSON(initialValue)
+    value: Value.fromJSON(initialValue),
   }
 
   /**
@@ -101,9 +99,12 @@ class Tables extends React.Component {
     }
 
     switch (event.key) {
-      case 'Backspace': return this.onBackspace(event, change)
-      case 'Delete': return this.onDelete(event, change)
-      case 'Enter': return this.onEnter(event, change)
+      case 'Backspace':
+        return this.onBackspace(event, change)
+      case 'Delete':
+        return this.onDelete(event, change)
+      case 'Enter':
+        return this.onEnter(event, change)
     }
   }
 
@@ -135,12 +136,19 @@ class Tables extends React.Component {
    * @return {Element}
    */
 
-  renderNode = (props) => {
+  renderNode = props => {
     const { attributes, children, node } = props
     switch (node.type) {
-      case 'table': return <table><tbody {...attributes}>{children}</tbody></table>
-      case 'table-row': return <tr {...attributes}>{children}</tr>
-      case 'table-cell': return <td {...attributes}>{children}</td>
+      case 'table':
+        return (
+          <table>
+            <tbody {...attributes}>{children}</tbody>
+          </table>
+        )
+      case 'table-row':
+        return <tr {...attributes}>{children}</tr>
+      case 'table-cell':
+        return <td {...attributes}>{children}</td>
     }
   }
 
@@ -151,13 +159,13 @@ class Tables extends React.Component {
    * @return {Element}
    */
 
-  renderMark = (props) => {
+  renderMark = props => {
     const { children, mark } = props
     switch (mark.type) {
-      case 'bold': return <strong>{children}</strong>
+      case 'bold':
+        return <strong>{children}</strong>
     }
   }
-
 }
 
 /**
diff --git a/package.json b/package.json
index 1fe5ffb36..0b4dbabaf 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,9 @@
     "cross-env": "^5.1.3",
     "disc": "^1.3.2",
     "eslint": "^4.16.0",
+    "eslint-config-prettier": "^2.9.0",
     "eslint-plugin-import": "^2.8.0",
+    "eslint-plugin-prettier": "^2.5.0",
     "eslint-plugin-react": "^7.6.0",
     "faker": "^3.1.0",
     "fbjs": "^0.8.3",
@@ -36,6 +38,7 @@
     "matcha": "^0.7.0",
     "mocha": "^2.5.3",
     "npm-run-all": "^4.1.1",
+    "prettier": "^1.10.2",
     "prismjs": "^1.5.1",
     "react": "^16.0.0",
     "react-dom": "^16.0.0",
@@ -77,13 +80,19 @@
     "build": "cross-env NODE_ENV=production rollup --config",
     "clean": "lerna run clean && rm -rf ./node_modules ./dist ./examples/build.*.js",
     "gh-pages": "yarn build && gh-pages --dist ./examples",
-    "lint": "eslint packages/*/src packages/*/test examples/*/*.js examples/dev/*/*.js",
+    "lint": "eslint packages/*/src packages/*/test examples/*/*.js examples/dev/*/*.js && prettier --list-different '**/*.{js,jsx}'",
     "open": "open http://localhost:8080/dev.html",
+    "prettier": "prettier --write '**/*.{js,jsx}'",
     "release": "yarn test && yarn lint && lerna publish && yarn gh-pages",
     "server": "http-server ./examples",
     "start": "npm-run-all --parallel --print-label watch server",
     "test": "cross-env BABEL_ENV=test mocha --require babel-core/register ./packages/*/test/index.js",
     "watch": "rollup --config --watch",
     "watch:packages": "cross-env SKIP_EXAMPLES=true yarn watch"
+  },
+  "prettier": {
+    "singleQuote": true,
+    "semi": false,
+    "trailingComma": "es5"
   }
 }
diff --git a/packages/slate-base64-serializer/src/index.js b/packages/slate-base64-serializer/src/index.js
index b05184f66..b08b4bbfe 100644
--- a/packages/slate-base64-serializer/src/index.js
+++ b/packages/slate-base64-serializer/src/index.js
@@ -1,4 +1,3 @@
-
 import { Value } from 'slate'
 import { atob, btoa } from 'isomorphic-base64'
 
@@ -91,5 +90,5 @@ export default {
   deserialize,
   deserializeNode,
   serialize,
-  serializeNode
+  serializeNode,
 }
diff --git a/packages/slate-dev-logger/src/index.js b/packages/slate-dev-logger/src/index.js
index 2540f49fb..1db981096 100644
--- a/packages/slate-dev-logger/src/index.js
+++ b/packages/slate-dev-logger/src/index.js
@@ -6,11 +6,10 @@
  * @type {Boolean}
  */
 
-const IS_DEV = (
+const IS_DEV =
   typeof process !== 'undefined' &&
   process.env &&
   process.env.NODE_ENV !== 'production'
-)
 
 /**
  * Has console?
@@ -18,12 +17,11 @@ const IS_DEV = (
  * @type {Boolean}
  */
 
-const HAS_CONSOLE = (
+const HAS_CONSOLE =
   typeof console != 'undefined' &&
   typeof console.log == 'function' &&
   typeof console.warn == 'function' &&
   typeof console.error == 'function'
-)
 
 /**
  * Log a `message` at `level`.
@@ -50,7 +48,6 @@ function log(level, message, ...args) {
  * @param {Any} ...args
  */
 
-
 function error(message, ...args) {
   if (HAS_CONSOLE) {
     console.error(message, ...args)
diff --git a/packages/slate-html-serializer/benchmark/html-serializer/deserialize.js b/packages/slate-html-serializer/benchmark/html-serializer/deserialize.js
index 3ae5318ab..e6e69d0ea 100644
--- a/packages/slate-html-serializer/benchmark/html-serializer/deserialize.js
+++ b/packages/slate-html-serializer/benchmark/html-serializer/deserialize.js
@@ -13,23 +13,27 @@ const html = new Html({
         switch (obj.object) {
           case 'block': {
             switch (obj.type) {
-              case 'paragraph': return React.createElement('p', {}, children)
-              case 'quote': return React.createElement('blockquote', {}, children)
+              case 'paragraph':
+                return React.createElement('p', {}, children)
+              case 'quote':
+                return React.createElement('blockquote', {}, children)
             }
           }
           case 'mark': {
             switch (obj.type) {
-              case 'bold': return React.createElement('strong', {}, children)
-              case 'italic': return React.createElement('em', {}, children)
+              case 'bold':
+                return React.createElement('strong', {}, children)
+              case 'italic':
+                return React.createElement('em', {}, children)
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 })
 
-export default function (string) {
+export default function(string) {
   html.deserialize(string)
 }
 
@@ -39,4 +43,6 @@ export const input = `
       This is editable <strong>rich</strong> text, <em>much</em> better than a textarea!
     </p>
   </blockquote>
-`.trim().repeat(10)
+`
+  .trim()
+  .repeat(10)
diff --git a/packages/slate-html-serializer/benchmark/html-serializer/serialize.js b/packages/slate-html-serializer/benchmark/html-serializer/serialize.js
index 688c6e957..b0a91ec4c 100644
--- a/packages/slate-html-serializer/benchmark/html-serializer/serialize.js
+++ b/packages/slate-html-serializer/benchmark/html-serializer/serialize.js
@@ -14,23 +14,27 @@ const html = new Html({
         switch (obj.object) {
           case 'block': {
             switch (obj.type) {
-              case 'paragraph': return React.createElement('p', {}, children)
-              case 'quote': return React.createElement('blockquote', {}, children)
+              case 'paragraph':
+                return React.createElement('p', {}, children)
+              case 'quote':
+                return React.createElement('blockquote', {}, children)
             }
           }
           case 'mark': {
             switch (obj.type) {
-              case 'bold': return React.createElement('strong', {}, children)
-              case 'italic': return React.createElement('em', {}, children)
+              case 'bold':
+                return React.createElement('strong', {}, children)
+              case 'italic':
+                return React.createElement('em', {}, children)
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 })
 
-export default function (state) {
+export default function(state) {
   html.serialize(state)
 }
 
@@ -40,7 +44,8 @@ export const input = (
       {Array.from(Array(10)).map(() => (
         <quote>
           <paragraph>
-            This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+            This is editable <b>rich</b> text, <i>much</i> better than a
+            textarea!
           </paragraph>
         </quote>
       ))}
diff --git a/packages/slate-html-serializer/benchmark/index.js b/packages/slate-html-serializer/benchmark/index.js
index 103cf99e9..0023012c0 100644
--- a/packages/slate-html-serializer/benchmark/index.js
+++ b/packages/slate-html-serializer/benchmark/index.js
@@ -9,9 +9,11 @@ import { __clear } from '../../slate/lib/utils/memoize'
  */
 
 const categoryDir = resolve(__dirname)
-const categories = fs.readdirSync(categoryDir).filter(c => c[0] != '.' && c != 'index.js')
+const categories = fs
+  .readdirSync(categoryDir)
+  .filter(c => c[0] != '.' && c != 'index.js')
 
-categories.forEach((category) => {
+categories.forEach(category => {
   suite(category, () => {
     set('iterations', 50)
     set('mintime', 1000)
@@ -23,9 +25,12 @@ categories.forEach((category) => {
     }
 
     const benchmarkDir = resolve(categoryDir, category)
-    const benchmarks = fs.readdirSync(benchmarkDir).filter(b => b[0] != '.' && !!~b.indexOf('.js')).map(b => basename(b, extname(b)))
+    const benchmarks = fs
+      .readdirSync(benchmarkDir)
+      .filter(b => b[0] != '.' && !!~b.indexOf('.js'))
+      .map(b => basename(b, extname(b)))
 
-    benchmarks.forEach((benchmark) => {
+    benchmarks.forEach(benchmark => {
       const dir = resolve(benchmarkDir, benchmark)
       const module = require(dir)
       const fn = module.default
diff --git a/packages/slate-html-serializer/src/index.js b/packages/slate-html-serializer/src/index.js
index 86413a87d..0278350d2 100644
--- a/packages/slate-html-serializer/src/index.js
+++ b/packages/slate-html-serializer/src/index.js
@@ -1,4 +1,3 @@
-
 import React from 'react'
 import { renderToStaticMarkup } from 'react-dom/server'
 import typeOf from 'type-of'
@@ -13,7 +12,7 @@ import { Record } from 'immutable'
 
 const String = new Record({
   object: 'string',
-  text: ''
+  text: '',
 })
 
 /**
@@ -24,15 +23,16 @@ const String = new Record({
  */
 
 const TEXT_RULE = {
-
   deserialize(el) {
     if (el.tagName && el.tagName.toLowerCase() === 'br') {
       return {
         object: 'text',
-        leaves: [{
-          object: 'leaf',
-          text: '\n'
-        }]
+        leaves: [
+          {
+            object: 'leaf',
+            text: '\n',
+          },
+        ],
       }
     }
 
@@ -41,26 +41,25 @@ const TEXT_RULE = {
 
       return {
         object: 'text',
-        leaves: [{
-          object: 'leaf',
-          text: el.nodeValue
-        }]
+        leaves: [
+          {
+            object: 'leaf',
+            text: el.nodeValue,
+          },
+        ],
       }
     }
   },
 
   serialize(obj, children) {
     if (obj.object === 'string') {
-      return children
-        .split('\n')
-        .reduce((array, text, i) => {
-          if (i != 0) array.push(<br />)
-          array.push(text)
-          return array
-        }, [])
+      return children.split('\n').reduce((array, text, i) => {
+        if (i != 0) array.push(<br />)
+        array.push(text)
+        return array
+      }, [])
     }
-  }
-
+  },
 }
 
 /**
@@ -72,7 +71,9 @@ const TEXT_RULE = {
 
 function defaultParseHtml(html) {
   if (typeof DOMParser === 'undefined') {
-    throw new Error('The native `DOMParser` global which the `Html` serializer uses by default is not present in this environment. You must supply the `options.parseHtml` function instead.')
+    throw new Error(
+      'The native `DOMParser` global which the `Html` serializer uses by default is not present in this environment. You must supply the `options.parseHtml` function instead.'
+    )
   }
 
   const parsed = new DOMParser().parseFromString(html, 'text/html')
@@ -87,7 +88,6 @@ function defaultParseHtml(html) {
  */
 
 class Html {
-
   /**
    * Create a new serializer with `rules`.
    *
@@ -106,7 +106,7 @@ class Html {
 
     defaultBlock = Node.createProperties(defaultBlock)
 
-    this.rules = [ ...rules, TEXT_RULE ]
+    this.rules = [...rules, TEXT_RULE]
     this.defaultBlock = defaultBlock
     this.parseHtml = parseHtml
   }
@@ -154,24 +154,26 @@ class Html {
 
     // TODO: pretty sure this is no longer needed.
     if (nodes.length == 0) {
-      nodes = [{
-        object: 'block',
-        data: {},
-        isVoid: false,
-        ...defaultBlock,
-        nodes: [
-          {
-            object: 'text',
-            leaves: [
-              {
-                object: 'leaf',
-                text: '',
-                marks: [],
-              }
-            ]
-          }
-        ],
-      }]
+      nodes = [
+        {
+          object: 'block',
+          data: {},
+          isVoid: false,
+          ...defaultBlock,
+          nodes: [
+            {
+              object: 'text',
+              leaves: [
+                {
+                  object: 'leaf',
+                  text: '',
+                  marks: [],
+                },
+              ],
+            },
+          ],
+        },
+      ]
     }
 
     const json = {
@@ -180,7 +182,7 @@ class Html {
         object: 'document',
         data: {},
         nodes,
-      }
+      },
     }
 
     const ret = toJSON ? json : Value.fromJSON(json)
@@ -197,7 +199,7 @@ class Html {
   deserializeElements = (elements = []) => {
     let nodes = []
 
-    elements.filter(this.cruftNewline).forEach((element) => {
+    elements.filter(this.cruftNewline).forEach(element => {
       const node = this.deserializeElement(element)
       switch (typeOf(node)) {
         case 'array':
@@ -219,14 +221,14 @@ class Html {
    * @return {Any}
    */
 
-  deserializeElement = (element) => {
+  deserializeElement = element => {
     let node
 
     if (!element.tagName) {
       element.tagName = ''
     }
 
-    const next = (elements) => {
+    const next = elements => {
       if (Object.prototype.toString.call(elements) == '[object NodeList]') {
         elements = Array.from(elements)
       }
@@ -240,7 +242,9 @@ class Html {
         case 'undefined':
           return
         default:
-          throw new Error(`The \`next\` argument was called with invalid children: "${elements}".`)
+          throw new Error(
+            `The \`next\` argument was called with invalid children: "${elements}".`
+          )
       }
     }
 
@@ -249,8 +253,15 @@ class Html {
       const ret = rule.deserialize(element, next)
       const type = typeOf(ret)
 
-      if (type != 'array' && type != 'object' && type != 'null' && type != 'undefined') {
-        throw new Error(`A rule returned an invalid deserialized representation: "${node}".`)
+      if (
+        type != 'array' &&
+        type != 'object' &&
+        type != 'null' &&
+        type != 'undefined'
+      ) {
+        throw new Error(
+          `A rule returned an invalid deserialized representation: "${node}".`
+        )
       }
 
       if (ret === undefined) {
@@ -276,23 +287,19 @@ class Html {
    * @return {Array}
    */
 
-  deserializeMark = (mark) => {
+  deserializeMark = mark => {
     const { type, data } = mark
 
-    const applyMark = (node) => {
+    const applyMark = node => {
       if (node.object == 'mark') {
         return this.deserializeMark(node)
-      }
-
-      else if (node.object == 'text') {
-        node.leaves = node.leaves.map((leaf) => {
+      } else if (node.object == 'text') {
+        node.leaves = node.leaves.map(leaf => {
           leaf.marks = leaf.marks || []
           leaf.marks.push({ type, data })
           return leaf
         })
-      }
-
-      else {
+      } else {
         node.nodes = node.nodes.map(applyMark)
       }
 
@@ -333,7 +340,7 @@ class Html {
    * @return {String}
    */
 
-  serializeNode = (node) => {
+  serializeNode = node => {
     if (node.object === 'text') {
       const leaves = node.getLeaves()
       return leaves.map(this.serializeLeaf)
@@ -357,7 +364,7 @@ class Html {
    * @return {String}
    */
 
-  serializeLeaf = (leaf) => {
+  serializeLeaf = leaf => {
     const string = new String({ text: leaf.text })
     const text = this.serializeString(string)
 
@@ -379,7 +386,7 @@ class Html {
    * @return {String}
    */
 
-  serializeString = (string) => {
+  serializeString = string => {
     for (const rule of this.rules) {
       if (!rule.serialize) continue
       const ret = rule.serialize(string, string.text)
@@ -394,10 +401,9 @@ class Html {
    * @return {Boolean}
    */
 
-  cruftNewline = (element) => {
+  cruftNewline = element => {
     return !(element.nodeName === '#text' && element.nodeValue == '\n')
   }
-
 }
 
 /**
diff --git a/packages/slate-html-serializer/test/deserialize/block-nested.js b/packages/slate-html-serializer/test/deserialize/block-nested.js
index c9fa2e8ad..5d1389dbf 100644
--- a/packages/slate-html-serializer/test/deserialize/block-nested.js
+++ b/packages/slate-html-serializer/test/deserialize/block-nested.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -23,9 +22,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -36,9 +35,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate-html-serializer/test/deserialize/block-no-children.js b/packages/slate-html-serializer/test/deserialize/block-no-children.js
index d7736e3f9..b374ace55 100644
--- a/packages/slate-html-serializer/test/deserialize/block-no-children.js
+++ b/packages/slate-html-serializer/test/deserialize/block-no-children.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -16,9 +15,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/block-with-data.js b/packages/slate-html-serializer/test/deserialize/block-with-data.js
index 75723ddfb..c7481fbdc 100644
--- a/packages/slate-html-serializer/test/deserialize/block-with-data.js
+++ b/packages/slate-html-serializer/test/deserialize/block-with-data.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -17,9 +16,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -29,9 +28,7 @@ export const input = `
 export const output = (
   <value>
     <document>
-      <paragraph thing="value">
-        one
-      </paragraph>
+      <paragraph thing="value">one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-html-serializer/test/deserialize/block-with-is-void.js b/packages/slate-html-serializer/test/deserialize/block-with-is-void.js
index fa67eec0e..36933b9b7 100644
--- a/packages/slate-html-serializer/test/deserialize/block-with-is-void.js
+++ b/packages/slate-html-serializer/test/deserialize/block-with-is-void.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -16,9 +15,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/block.js b/packages/slate-html-serializer/test/deserialize/block.js
index 695fb800b..3fbd3bdcb 100644
--- a/packages/slate-html-serializer/test/deserialize/block.js
+++ b/packages/slate-html-serializer/test/deserialize/block.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -16,9 +15,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -28,9 +27,7 @@ export const input = `
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-html-serializer/test/deserialize/default-block.js b/packages/slate-html-serializer/test/deserialize/default-block.js
index 6e3c819ef..60e136f27 100644
--- a/packages/slate-html-serializer/test/deserialize/default-block.js
+++ b/packages/slate-html-serializer/test/deserialize/default-block.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -16,15 +15,15 @@ export const config = {
             }
           }
         }
-      }
-    }
+      },
+    },
   ],
   defaultBlock: {
     type: 'default',
     data: {
-      thing: 'value'
-    }
-  }
+      thing: 'value',
+    },
+  },
 }
 
 export const input = `
@@ -35,9 +34,7 @@ export const input = `
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <block type="default" data={{ thing: 'value' }}>
         two
       </block>
diff --git a/packages/slate-html-serializer/test/deserialize/empty-string.js b/packages/slate-html-serializer/test/deserialize/empty-string.js
index e4ed2558c..7f0d6581e 100644
--- a/packages/slate-html-serializer/test/deserialize/empty-string.js
+++ b/packages/slate-html-serializer/test/deserialize/empty-string.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
diff --git a/packages/slate-html-serializer/test/deserialize/html-comment.js b/packages/slate-html-serializer/test/deserialize/html-comment.js
index b6e9bb112..aa590f245 100644
--- a/packages/slate-html-serializer/test/deserialize/html-comment.js
+++ b/packages/slate-html-serializer/test/deserialize/html-comment.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -16,9 +15,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -29,9 +28,7 @@ export const input = `
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-html-serializer/test/deserialize/inline-nested.js b/packages/slate-html-serializer/test/deserialize/inline-nested.js
index 0ebb3646c..f95be8caa 100644
--- a/packages/slate-html-serializer/test/deserialize/inline-nested.js
+++ b/packages/slate-html-serializer/test/deserialize/inline-nested.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -30,9 +29,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -44,9 +43,7 @@ export const output = (
     <document>
       <paragraph>
         <link>
-          <hashtag>
-            one
-          </hashtag>
+          <hashtag>one</hashtag>
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate-html-serializer/test/deserialize/inline-no-children.js b/packages/slate-html-serializer/test/deserialize/inline-no-children.js
index bd659b25f..2ace8a93d 100644
--- a/packages/slate-html-serializer/test/deserialize/inline-no-children.js
+++ b/packages/slate-html-serializer/test/deserialize/inline-no-children.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -23,9 +22,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/inline-with-data.js b/packages/slate-html-serializer/test/deserialize/inline-with-data.js
index ca3c58ee2..4058a024a 100644
--- a/packages/slate-html-serializer/test/deserialize/inline-with-data.js
+++ b/packages/slate-html-serializer/test/deserialize/inline-with-data.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -24,9 +23,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -37,9 +36,7 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link thing="value">
-          one
-        </link>
+        <link thing="value">one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-html-serializer/test/deserialize/inline-with-is-void.js b/packages/slate-html-serializer/test/deserialize/inline-with-is-void.js
index 6482a6cfc..fc2c11a04 100644
--- a/packages/slate-html-serializer/test/deserialize/inline-with-is-void.js
+++ b/packages/slate-html-serializer/test/deserialize/inline-with-is-void.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -24,9 +23,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/inline.js b/packages/slate-html-serializer/test/deserialize/inline.js
index d68238462..cce247a21 100644
--- a/packages/slate-html-serializer/test/deserialize/inline.js
+++ b/packages/slate-html-serializer/test/deserialize/inline.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -23,9 +22,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -36,9 +35,7 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>
-          one
-        </link>
+        <link>one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-html-serializer/test/deserialize/mark-adjacent.js b/packages/slate-html-serializer/test/deserialize/mark-adjacent.js
index 93c3ddf43..c0d24aa7b 100644
--- a/packages/slate-html-serializer/test/deserialize/mark-adjacent.js
+++ b/packages/slate-html-serializer/test/deserialize/mark-adjacent.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -30,9 +29,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/mark-nested.js b/packages/slate-html-serializer/test/deserialize/mark-nested.js
index 6639cd7db..96a5f1127 100644
--- a/packages/slate-html-serializer/test/deserialize/mark-nested.js
+++ b/packages/slate-html-serializer/test/deserialize/mark-nested.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -30,9 +29,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -43,7 +42,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        o<i>n<b>e</b></i>
+        o<i>
+          n<b>e</b>
+        </i>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-html-serializer/test/deserialize/mark-with-data.js b/packages/slate-html-serializer/test/deserialize/mark-with-data.js
index af7468b7c..ed7353b1e 100644
--- a/packages/slate-html-serializer/test/deserialize/mark-with-data.js
+++ b/packages/slate-html-serializer/test/deserialize/mark-with-data.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -24,9 +23,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/mark.js b/packages/slate-html-serializer/test/deserialize/mark.js
index 4b8d1f193..a75d68998 100644
--- a/packages/slate-html-serializer/test/deserialize/mark.js
+++ b/packages/slate-html-serializer/test/deserialize/mark.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -23,9 +22,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/multiple-matching-rules.js b/packages/slate-html-serializer/test/deserialize/multiple-matching-rules.js
index e2a3bda38..2064ef419 100644
--- a/packages/slate-html-serializer/test/deserialize/multiple-matching-rules.js
+++ b/packages/slate-html-serializer/test/deserialize/multiple-matching-rules.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -11,7 +10,7 @@ export const config = {
           object: 'block',
           type: 'paragraph',
         }
-      }
+      },
     },
     {
       deserialize(el, next) {
@@ -19,9 +18,9 @@ export const config = {
           object: 'block',
           type: 'quote',
         }
-      }
+      },
     },
-  ]
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/no-next.js b/packages/slate-html-serializer/test/deserialize/no-next.js
index 7314513a4..a0d24d665 100644
--- a/packages/slate-html-serializer/test/deserialize/no-next.js
+++ b/packages/slate-html-serializer/test/deserialize/no-next.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -16,9 +15,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/skip-element.js b/packages/slate-html-serializer/test/deserialize/skip-element.js
index 4760bd96f..8a7ef79b1 100644
--- a/packages/slate-html-serializer/test/deserialize/skip-element.js
+++ b/packages/slate-html-serializer/test/deserialize/skip-element.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import h from '../helpers/h'
@@ -26,9 +25,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
diff --git a/packages/slate-html-serializer/test/deserialize/to-json.js b/packages/slate-html-serializer/test/deserialize/to-json.js
index ce760d836..485d40e11 100644
--- a/packages/slate-html-serializer/test/deserialize/to-json.js
+++ b/packages/slate-html-serializer/test/deserialize/to-json.js
@@ -1,4 +1,3 @@
-
 export const config = {
   rules: [
     {
@@ -12,9 +11,9 @@ export const config = {
             }
           }
         }
-      }
-    }
-  ]
+      },
+    },
+  ],
 }
 
 export const input = `
@@ -37,13 +36,13 @@ export const output = {
               {
                 object: 'leaf',
                 text: 'one',
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const options = {
diff --git a/packages/slate-html-serializer/test/helpers/h.js b/packages/slate-html-serializer/test/helpers/h.js
index a126d5ebb..63c2dc01b 100644
--- a/packages/slate-html-serializer/test/helpers/h.js
+++ b/packages/slate-html-serializer/test/helpers/h.js
@@ -1,4 +1,3 @@
-
 import { createHyperscript } from 'slate-hyperscript'
 
 /**
@@ -16,7 +15,7 @@ const h = createHyperscript({
     image: {
       type: 'image',
       isVoid: true,
-    }
+    },
   },
   inlines: {
     link: 'link',
@@ -25,7 +24,7 @@ const h = createHyperscript({
     emoji: {
       type: 'emoji',
       isVoid: true,
-    }
+    },
   },
   marks: {
     b: 'bold',
diff --git a/packages/slate-html-serializer/test/index.js b/packages/slate-html-serializer/test/index.js
index c37b3f288..4dbfffaf6 100644
--- a/packages/slate-html-serializer/test/index.js
+++ b/packages/slate-html-serializer/test/index.js
@@ -1,4 +1,3 @@
-
 /**
  * Dependencies.
  */
@@ -25,7 +24,10 @@ beforeEach(() => {
 describe('slate-html-serializer', () => {
   describe('deserialize()', () => {
     const dir = resolve(__dirname, './deserialize')
-    const tests = fs.readdirSync(dir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+    const tests = fs
+      .readdirSync(dir)
+      .filter(t => t[0] != '.')
+      .map(t => basename(t, extname(t)))
 
     for (const test of tests) {
       it(test, async () => {
@@ -42,7 +44,10 @@ describe('slate-html-serializer', () => {
 
   describe('serialize()', () => {
     const dir = resolve(__dirname, './serialize')
-    const tests = fs.readdirSync(dir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+    const tests = fs
+      .readdirSync(dir)
+      .filter(t => t[0] != '.')
+      .map(t => basename(t, extname(t)))
 
     for (const test of tests) {
       it(test, async () => {
diff --git a/packages/slate-html-serializer/test/serialize/block-nested.js b/packages/slate-html-serializer/test/serialize/block-nested.js
index 533f95fc1..9fe07ff25 100644
--- a/packages/slate-html-serializer/test/serialize/block-nested.js
+++ b/packages/slate-html-serializer/test/serialize/block-nested.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -9,20 +8,20 @@ export const rules = [
     serialize(obj, children) {
       if (obj.object != 'block') return
       switch (obj.type) {
-        case 'paragraph': return React.createElement('p', {}, children)
-        case 'quote': return React.createElement('blockquote', {}, children)
+        case 'paragraph':
+          return React.createElement('p', {}, children)
+        case 'quote':
+          return React.createElement('blockquote', {}, children)
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate-html-serializer/test/serialize/block-with-data.js b/packages/slate-html-serializer/test/serialize/block-with-data.js
index 1b0b4299a..87862ca7a 100644
--- a/packages/slate-html-serializer/test/serialize/block-with-data.js
+++ b/packages/slate-html-serializer/test/serialize/block-with-data.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -8,18 +7,20 @@ export const rules = [
   {
     serialize(obj, children) {
       if (obj.object == 'block' && obj.type == 'paragraph') {
-        return React.createElement('p', { 'data-thing': obj.data.get('thing') }, children)
+        return React.createElement(
+          'p',
+          { 'data-thing': obj.data.get('thing') },
+          children
+        )
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
   <value>
     <document>
-      <paragraph thing="value">
-        one
-      </paragraph>
+      <paragraph thing="value">one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-html-serializer/test/serialize/block-with-is-void.js b/packages/slate-html-serializer/test/serialize/block-with-is-void.js
index c78a6287c..c79df847b 100644
--- a/packages/slate-html-serializer/test/serialize/block-with-is-void.js
+++ b/packages/slate-html-serializer/test/serialize/block-with-is-void.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -10,8 +9,8 @@ export const rules = [
       if (obj.object == 'block' && obj.type == 'image') {
         return React.createElement('img')
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
diff --git a/packages/slate-html-serializer/test/serialize/block-with-mark.js b/packages/slate-html-serializer/test/serialize/block-with-mark.js
index ff3662e1c..d8d376571 100644
--- a/packages/slate-html-serializer/test/serialize/block-with-mark.js
+++ b/packages/slate-html-serializer/test/serialize/block-with-mark.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -14,8 +13,8 @@ export const rules = [
       if (obj.object == 'mark' && obj.type == 'bold') {
         return React.createElement('strong', {}, children)
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
diff --git a/packages/slate-html-serializer/test/serialize/block.js b/packages/slate-html-serializer/test/serialize/block.js
index aca85bb5c..0c892a74f 100644
--- a/packages/slate-html-serializer/test/serialize/block.js
+++ b/packages/slate-html-serializer/test/serialize/block.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -10,16 +9,14 @@ export const rules = [
       if (obj.object == 'block' && obj.type == 'paragraph') {
         return React.createElement('p', {}, children)
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-html-serializer/test/serialize/inline-nested.js b/packages/slate-html-serializer/test/serialize/inline-nested.js
index 9aedffe4a..f86be7d71 100644
--- a/packages/slate-html-serializer/test/serialize/inline-nested.js
+++ b/packages/slate-html-serializer/test/serialize/inline-nested.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -18,8 +17,8 @@ export const rules = [
       if (obj.object == 'inline' && obj.type == 'hashtag') {
         return React.createElement('span', {}, children)
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
@@ -27,9 +26,7 @@ export const input = (
     <document>
       <paragraph>
         <link>
-          <hashtag>
-            one
-          </hashtag>
+          <hashtag>one</hashtag>
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate-html-serializer/test/serialize/inline-with-data.js b/packages/slate-html-serializer/test/serialize/inline-with-data.js
index 4a9fab864..f7d4a9e86 100644
--- a/packages/slate-html-serializer/test/serialize/inline-with-data.js
+++ b/packages/slate-html-serializer/test/serialize/inline-with-data.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -12,19 +11,21 @@ export const rules = [
       }
 
       if (obj.object == 'inline' && obj.type == 'link') {
-        return React.createElement('a', { href: obj.data.get('href') }, children)
+        return React.createElement(
+          'a',
+          { href: obj.data.get('href') },
+          children
+        )
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link href="https://google.com">
-          one
-        </link>
+        <link href="https://google.com">one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-html-serializer/test/serialize/inline-with-is-void.js b/packages/slate-html-serializer/test/serialize/inline-with-is-void.js
index ed951c904..65edcf3e3 100644
--- a/packages/slate-html-serializer/test/serialize/inline-with-is-void.js
+++ b/packages/slate-html-serializer/test/serialize/inline-with-is-void.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -14,8 +13,8 @@ export const rules = [
       if (obj.object == 'inline' && obj.type == 'emoji') {
         return React.createElement('img')
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
diff --git a/packages/slate-html-serializer/test/serialize/inline-with-mark.js b/packages/slate-html-serializer/test/serialize/inline-with-mark.js
index 2b22107eb..079005da8 100644
--- a/packages/slate-html-serializer/test/serialize/inline-with-mark.js
+++ b/packages/slate-html-serializer/test/serialize/inline-with-mark.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -18,8 +17,8 @@ export const rules = [
       if (obj.object == 'mark' && obj.type == 'bold') {
         return React.createElement('strong', {}, children)
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
diff --git a/packages/slate-html-serializer/test/serialize/inline.js b/packages/slate-html-serializer/test/serialize/inline.js
index 4c625f509..f59314eae 100644
--- a/packages/slate-html-serializer/test/serialize/inline.js
+++ b/packages/slate-html-serializer/test/serialize/inline.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -14,17 +13,15 @@ export const rules = [
       if (obj.object == 'inline' && obj.type == 'link') {
         return React.createElement('a', {}, children)
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link>
-          one
-        </link>
+        <link>one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-html-serializer/test/serialize/multiple-rules.js b/packages/slate-html-serializer/test/serialize/multiple-rules.js
index 549f7d8d5..eb15f6411 100644
--- a/packages/slate-html-serializer/test/serialize/multiple-rules.js
+++ b/packages/slate-html-serializer/test/serialize/multiple-rules.js
@@ -1,4 +1,3 @@
-
 /** @jsx h */
 
 import React from 'react'
@@ -7,23 +6,21 @@ import h from '../helpers/h'
 export const rules = [
   {},
   {
-    serialize(obj, children) {}
+    serialize(obj, children) {},
   },
   {
     serialize(obj, children) {
       if (obj.object == 'block' && obj.type == 'paragraph') {
         return React.createElement('p', {}, children)
       }
-    }
-  }
+    },
+  },
 ]
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-hyperscript/src/index.js b/packages/slate-hyperscript/src/index.js
index caa67803b..f47189844 100644
--- a/packages/slate-hyperscript/src/index.js
+++ b/packages/slate-hyperscript/src/index.js
@@ -1,17 +1,7 @@
-
 import isEmpty from 'is-empty'
 import isPlainObject from 'is-plain-object'
 
-import {
-  Block,
-  Document,
-  Inline,
-  Mark,
-  Node,
-  Range,
-  Text,
-  Value,
-} from 'slate'
+import { Block, Document, Inline, Mark, Node, Range, Text, Value } from 'slate'
 
 /**
  * Create selection point constants, for comparison by reference.
@@ -30,7 +20,6 @@ const FOCUS = {}
  */
 
 const CREATORS = {
-
   anchor(tagName, attributes, children) {
     return ANCHOR
   },
@@ -83,7 +72,7 @@ const CREATORS = {
     // Search the document's texts to see if any of them have the anchor or
     // focus information saved, so we can set the selection.
     if (document) {
-      document.getTexts().forEach((text) => {
+      document.getTexts().forEach(text => {
         if (text.__anchor != null) {
           props.anchorKey = text.key
           props.anchorOffset = text.__anchor
@@ -99,11 +88,15 @@ const CREATORS = {
     }
 
     if (props.anchorKey && !props.focusKey) {
-      throw new Error(`Slate hyperscript must have both \`<anchor/>\` and \`<focus/>\` defined if one is defined, but you only defined \`<anchor/>\`. For collapsed selections, use \`<cursor/>\`.`)
+      throw new Error(
+        `Slate hyperscript must have both \`<anchor/>\` and \`<focus/>\` defined if one is defined, but you only defined \`<anchor/>\`. For collapsed selections, use \`<cursor/>\`.`
+      )
     }
 
     if (!props.anchorKey && props.focusKey) {
-      throw new Error(`Slate hyperscript must have both \`<anchor/>\` and \`<focus/>\` defined if one is defined, but you only defined \`<focus/>\`. For collapsed selections, use \`<cursor/>\`.`)
+      throw new Error(
+        `Slate hyperscript must have both \`<anchor/>\` and \`<focus/>\` defined if one is defined, but you only defined \`<focus/>\`. For collapsed selections, use \`<cursor/>\`.`
+      )
     }
 
     if (!isEmpty(props)) {
@@ -118,7 +111,6 @@ const CREATORS = {
     const nodes = createChildren(children, { key: attributes.key })
     return nodes
   },
-
 }
 
 /**
@@ -184,11 +176,12 @@ function createChildren(children, options = {}) {
     node = next
   }
 
-  children.forEach((child) => {
+  children.forEach(child => {
     // If the child is a non-text node, push the current node and the new child
     // onto the array, then creating a new node for future selection tracking.
     if (Node.isNode(child) && !Text.isText(child)) {
-      if (node.text.length || node.__anchor != null || node.__focus != null) array.push(node)
+      if (node.text.length || node.__anchor != null || node.__focus != null)
+        array.push(node)
       array.push(child)
       node = Text.create()
       length = 0
@@ -211,7 +204,7 @@ function createChildren(children, options = {}) {
         setNode(node.set('key', child.key))
       }
 
-      child.getLeaves().forEach((leaf) => {
+      child.getLeaves().forEach(leaf => {
         let { marks } = leaf
         if (options.marks) marks = marks.union(options.marks)
         setNode(node.insertText(i, leaf.text, marks))
@@ -243,26 +236,22 @@ function createChildren(children, options = {}) {
  */
 
 function resolveCreators(options) {
-  const {
-    blocks = {},
-    inlines = {},
-    marks = {},
-  } = options
+  const { blocks = {}, inlines = {}, marks = {} } = options
 
   const creators = {
     ...CREATORS,
     ...(options.creators || {}),
   }
 
-  Object.keys(blocks).map((key) => {
+  Object.keys(blocks).map(key => {
     creators[key] = normalizeNode(key, blocks[key], 'block')
   })
 
-  Object.keys(inlines).map((key) => {
+  Object.keys(inlines).map(key => {
     creators[key] = normalizeNode(key, inlines[key], 'inline')
   })
 
-  Object.keys(marks).map((key) => {
+  Object.keys(marks).map(key => {
     creators[key] = normalizeMark(key, marks[key])
   })
 
@@ -297,14 +286,16 @@ function normalizeNode(key, value, object) {
         data: {
           ...(value.data || {}),
           ...rest,
-        }
+        },
       }
 
       return CREATORS[object](tagName, attrs, children)
     }
   }
 
-  throw new Error(`Slate hyperscript ${object} creators can be either functions, objects or strings, but you passed: ${value}`)
+  throw new Error(
+    `Slate hyperscript ${object} creators can be either functions, objects or strings, but you passed: ${value}`
+  )
 }
 
 /**
@@ -331,14 +322,16 @@ function normalizeMark(key, value) {
         data: {
           ...(value.data || {}),
           ...attributes,
-        }
+        },
       }
 
       return CREATORS.mark(tagName, attrs, children)
     }
   }
 
-  throw new Error(`Slate hyperscript mark creators can be either functions, objects or strings, but you passed: ${value}`)
+  throw new Error(
+    `Slate hyperscript mark creators can be either functions, objects or strings, but you passed: ${value}`
+  )
 }
 
 /**
diff --git a/packages/slate-plain-serializer/benchmark/index.js b/packages/slate-plain-serializer/benchmark/index.js
index 103cf99e9..0023012c0 100644
--- a/packages/slate-plain-serializer/benchmark/index.js
+++ b/packages/slate-plain-serializer/benchmark/index.js
@@ -9,9 +9,11 @@ import { __clear } from '../../slate/lib/utils/memoize'
  */
 
 const categoryDir = resolve(__dirname)
-const categories = fs.readdirSync(categoryDir).filter(c => c[0] != '.' && c != 'index.js')
+const categories = fs
+  .readdirSync(categoryDir)
+  .filter(c => c[0] != '.' && c != 'index.js')
 
-categories.forEach((category) => {
+categories.forEach(category => {
   suite(category, () => {
     set('iterations', 50)
     set('mintime', 1000)
@@ -23,9 +25,12 @@ categories.forEach((category) => {
     }
 
     const benchmarkDir = resolve(categoryDir, category)
-    const benchmarks = fs.readdirSync(benchmarkDir).filter(b => b[0] != '.' && !!~b.indexOf('.js')).map(b => basename(b, extname(b)))
+    const benchmarks = fs
+      .readdirSync(benchmarkDir)
+      .filter(b => b[0] != '.' && !!~b.indexOf('.js'))
+      .map(b => basename(b, extname(b)))
 
-    benchmarks.forEach((benchmark) => {
+    benchmarks.forEach(benchmark => {
       const dir = resolve(benchmarkDir, benchmark)
       const module = require(dir)
       const fn = module.default
diff --git a/packages/slate-plain-serializer/benchmark/plain-serializer/deserialize.js b/packages/slate-plain-serializer/benchmark/plain-serializer/deserialize.js
index 956aaaf69..cdcab1bf9 100644
--- a/packages/slate-plain-serializer/benchmark/plain-serializer/deserialize.js
+++ b/packages/slate-plain-serializer/benchmark/plain-serializer/deserialize.js
@@ -3,10 +3,12 @@
 
 import Plain from '../..'
 
-export default function (string) {
+export default function(string) {
   Plain.deserialize(string)
 }
 
 export const input = `
   This is editable plain text, just like a text area.
-`.trim().repeat(10)
+`
+  .trim()
+  .repeat(10)
diff --git a/packages/slate-plain-serializer/benchmark/plain-serializer/serialize.js b/packages/slate-plain-serializer/benchmark/plain-serializer/serialize.js
index a6c628ffe..c1f2a60fe 100644
--- a/packages/slate-plain-serializer/benchmark/plain-serializer/serialize.js
+++ b/packages/slate-plain-serializer/benchmark/plain-serializer/serialize.js
@@ -4,7 +4,7 @@
 import Plain from '../..'
 import h from '../../test/helpers/h'
 
-export default function (state) {
+export default function(state) {
   Plain.serialize(state)
 }
 
@@ -15,7 +15,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate-plain-serializer/src/index.js b/packages/slate-plain-serializer/src/index.js
index 4856d045a..2988d5a0b 100644
--- a/packages/slate-plain-serializer/src/index.js
+++ b/packages/slate-plain-serializer/src/index.js
@@ -1,4 +1,3 @@
-
 import { Block, Mark, Node, Value } from 'slate'
 import { Set } from 'immutable'
 
@@ -14,11 +13,7 @@ import { Set } from 'immutable'
  */
 
 function deserialize(string, options = {}) {
-  let {
-    defaultBlock = 'line',
-    defaultMarks = [],
-    toJSON = false,
-  } = options
+  let { defaultBlock = 'line', defaultMarks = [], toJSON = false } = options
 
   if (Set.isSet(defaultMarks)) {
     defaultMarks = defaultMarks.toArray()
@@ -32,7 +27,7 @@ function deserialize(string, options = {}) {
     document: {
       object: 'document',
       data: {},
-      nodes: string.split('\n').map((line) => {
+      nodes: string.split('\n').map(line => {
         return {
           ...defaultBlock,
           object: 'block',
@@ -46,13 +41,13 @@ function deserialize(string, options = {}) {
                   object: 'leaf',
                   text: line,
                   marks: defaultMarks,
-                }
-              ]
-            }
-          ]
+                },
+              ],
+            },
+          ],
         }
       }),
-    }
+    },
   }
 
   const ret = toJSON ? json : Value.fromJSON(json)
@@ -79,7 +74,7 @@ function serialize(value) {
 
 function serializeNode(node) {
   if (
-    (node.object == 'document') ||
+    node.object == 'document' ||
     (node.object == 'block' && Block.isBlockList(node.nodes))
   ) {
     return node.nodes.map(serializeNode).join('\n')
@@ -96,5 +91,5 @@ function serializeNode(node) {
 
 export default {
   deserialize,
-  serialize
+  serialize,
 }
diff --git a/packages/slate-plain-serializer/test/deserialize/line-multiple.js b/packages/slate-plain-serializer/test/deserialize/line-multiple.js
index f3dcb1b50..9f20b8954 100644
--- a/packages/slate-plain-serializer/test/deserialize/line-multiple.js
+++ b/packages/slate-plain-serializer/test/deserialize/line-multiple.js
@@ -10,12 +10,8 @@ two
 export const output = (
   <value>
     <document>
-      <line>
-        one
-      </line>
-      <line>
-        two
-      </line>
+      <line>one</line>
+      <line>two</line>
     </document>
   </value>
 )
diff --git a/packages/slate-plain-serializer/test/deserialize/line.js b/packages/slate-plain-serializer/test/deserialize/line.js
index f2725840c..558cd1261 100644
--- a/packages/slate-plain-serializer/test/deserialize/line.js
+++ b/packages/slate-plain-serializer/test/deserialize/line.js
@@ -9,9 +9,7 @@ one
 export const output = (
   <value>
     <document>
-      <line>
-        one
-      </line>
+      <line>one</line>
     </document>
   </value>
 )
diff --git a/packages/slate-plain-serializer/test/deserialize/to-json.js b/packages/slate-plain-serializer/test/deserialize/to-json.js
index 28e674a3d..55de12047 100644
--- a/packages/slate-plain-serializer/test/deserialize/to-json.js
+++ b/packages/slate-plain-serializer/test/deserialize/to-json.js
@@ -1,4 +1,3 @@
-
 export const input = `
 one
 `.trim()
@@ -22,15 +21,15 @@ export const output = {
                 object: 'leaf',
                 text: 'one',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const options = {
-  toJSON: true
+  toJSON: true,
 }
diff --git a/packages/slate-plain-serializer/test/helpers/h.js b/packages/slate-plain-serializer/test/helpers/h.js
index a126d5ebb..63c2dc01b 100644
--- a/packages/slate-plain-serializer/test/helpers/h.js
+++ b/packages/slate-plain-serializer/test/helpers/h.js
@@ -1,4 +1,3 @@
-
 import { createHyperscript } from 'slate-hyperscript'
 
 /**
@@ -16,7 +15,7 @@ const h = createHyperscript({
     image: {
       type: 'image',
       isVoid: true,
-    }
+    },
   },
   inlines: {
     link: 'link',
@@ -25,7 +24,7 @@ const h = createHyperscript({
     emoji: {
       type: 'emoji',
       isVoid: true,
-    }
+    },
   },
   marks: {
     b: 'bold',
diff --git a/packages/slate-plain-serializer/test/index.js b/packages/slate-plain-serializer/test/index.js
index eebf0ea31..35bec354b 100644
--- a/packages/slate-plain-serializer/test/index.js
+++ b/packages/slate-plain-serializer/test/index.js
@@ -1,4 +1,3 @@
-
 /**
  * Dependencies.
  */
@@ -24,7 +23,10 @@ beforeEach(() => {
 describe('slate-plain-serializer', () => {
   describe('deserialize()', () => {
     const dir = resolve(__dirname, './deserialize')
-    const tests = fs.readdirSync(dir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+    const tests = fs
+      .readdirSync(dir)
+      .filter(t => t[0] != '.')
+      .map(t => basename(t, extname(t)))
 
     for (const test of tests) {
       it(test, async () => {
@@ -40,7 +42,10 @@ describe('slate-plain-serializer', () => {
 
   describe('serialize()', () => {
     const dir = resolve(__dirname, './serialize')
-    const tests = fs.readdirSync(dir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+    const tests = fs
+      .readdirSync(dir)
+      .filter(t => t[0] != '.')
+      .map(t => basename(t, extname(t)))
 
     for (const test of tests) {
       it(test, async () => {
diff --git a/packages/slate-plain-serializer/test/serialize/block-multiple-empty.js b/packages/slate-plain-serializer/test/serialize/block-multiple-empty.js
index 0f23d451c..0cae03a08 100644
--- a/packages/slate-plain-serializer/test/serialize/block-multiple-empty.js
+++ b/packages/slate-plain-serializer/test/serialize/block-multiple-empty.js
@@ -5,13 +5,9 @@ import h from '../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <paragraph />
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-plain-serializer/test/serialize/block-multiple.js b/packages/slate-plain-serializer/test/serialize/block-multiple.js
index 522929757..396e82508 100644
--- a/packages/slate-plain-serializer/test/serialize/block-multiple.js
+++ b/packages/slate-plain-serializer/test/serialize/block-multiple.js
@@ -5,15 +5,9 @@ import h from '../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-plain-serializer/test/serialize/block-nested-multiple-empty.js b/packages/slate-plain-serializer/test/serialize/block-nested-multiple-empty.js
index 2bd9ff1c0..94f908ed1 100644
--- a/packages/slate-plain-serializer/test/serialize/block-nested-multiple-empty.js
+++ b/packages/slate-plain-serializer/test/serialize/block-nested-multiple-empty.js
@@ -6,18 +6,12 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
       </quote>
       <quote>
         <paragraph />
-        <paragraph>
-          four
-        </paragraph>
+        <paragraph>four</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate-plain-serializer/test/serialize/block-nested-multiple.js b/packages/slate-plain-serializer/test/serialize/block-nested-multiple.js
index fa22641a8..59a7daa8f 100644
--- a/packages/slate-plain-serializer/test/serialize/block-nested-multiple.js
+++ b/packages/slate-plain-serializer/test/serialize/block-nested-multiple.js
@@ -6,20 +6,12 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
       </quote>
       <quote>
-        <paragraph>
-          three
-        </paragraph>
-        <paragraph>
-          four
-        </paragraph>
+        <paragraph>three</paragraph>
+        <paragraph>four</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate-plain-serializer/test/serialize/block-nested-nested-multiple.js b/packages/slate-plain-serializer/test/serialize/block-nested-nested-multiple.js
index 717d5edfd..ad7a251f6 100644
--- a/packages/slate-plain-serializer/test/serialize/block-nested-nested-multiple.js
+++ b/packages/slate-plain-serializer/test/serialize/block-nested-nested-multiple.js
@@ -7,20 +7,12 @@ export const input = (
     <document>
       <quote>
         <quote>
-          <paragraph>
-            one
-          </paragraph>
-          <paragraph>
-            two
-          </paragraph>
+          <paragraph>one</paragraph>
+          <paragraph>two</paragraph>
         </quote>
         <quote>
-          <paragraph>
-            three
-          </paragraph>
-          <paragraph>
-            four
-          </paragraph>
+          <paragraph>three</paragraph>
+          <paragraph>four</paragraph>
         </quote>
       </quote>
     </document>
diff --git a/packages/slate-plain-serializer/test/serialize/block-nested-with-inline-nested.js b/packages/slate-plain-serializer/test/serialize/block-nested-with-inline-nested.js
index 8efeda4eb..f449dc179 100644
--- a/packages/slate-plain-serializer/test/serialize/block-nested-with-inline-nested.js
+++ b/packages/slate-plain-serializer/test/serialize/block-nested-with-inline-nested.js
@@ -6,14 +6,10 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
         <paragraph>
           <link>
-            <hashtag>
-              two
-            </hashtag>
+            <hashtag>two</hashtag>
           </link>
         </paragraph>
       </quote>
diff --git a/packages/slate-plain-serializer/test/serialize/block-nested-with-inlines.js b/packages/slate-plain-serializer/test/serialize/block-nested-with-inlines.js
index 48a8c85d0..490b8f1c1 100644
--- a/packages/slate-plain-serializer/test/serialize/block-nested-with-inlines.js
+++ b/packages/slate-plain-serializer/test/serialize/block-nested-with-inlines.js
@@ -7,14 +7,10 @@ export const input = (
     <document>
       <quote>
         <paragraph>
-          <link>
-            one
-          </link>
+          <link>one</link>
         </paragraph>
         <paragraph>
-          <link>
-            two
-          </link>
+          <link>two</link>
         </paragraph>
       </quote>
     </document>
diff --git a/packages/slate-plain-serializer/test/serialize/block-with-data.js b/packages/slate-plain-serializer/test/serialize/block-with-data.js
index 09b7e3e23..37f2a70a8 100644
--- a/packages/slate-plain-serializer/test/serialize/block-with-data.js
+++ b/packages/slate-plain-serializer/test/serialize/block-with-data.js
@@ -5,9 +5,7 @@ import h from '../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph thing="value">
-        one
-      </paragraph>
+      <paragraph thing="value">one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-plain-serializer/test/serialize/block.js b/packages/slate-plain-serializer/test/serialize/block.js
index 597b389eb..cfe511737 100644
--- a/packages/slate-plain-serializer/test/serialize/block.js
+++ b/packages/slate-plain-serializer/test/serialize/block.js
@@ -5,9 +5,7 @@ import h from '../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-plain-serializer/test/serialize/inline-nested.js b/packages/slate-plain-serializer/test/serialize/inline-nested.js
index 37eb1f17b..40472ef1a 100644
--- a/packages/slate-plain-serializer/test/serialize/inline-nested.js
+++ b/packages/slate-plain-serializer/test/serialize/inline-nested.js
@@ -7,9 +7,7 @@ export const input = (
     <document>
       <paragraph>
         <link>
-          <hashtag>
-            one
-          </hashtag>
+          <hashtag>one</hashtag>
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate-plain-serializer/test/serialize/inline-with-data.js b/packages/slate-plain-serializer/test/serialize/inline-with-data.js
index 1a04679cb..823cc2d55 100644
--- a/packages/slate-plain-serializer/test/serialize/inline-with-data.js
+++ b/packages/slate-plain-serializer/test/serialize/inline-with-data.js
@@ -6,9 +6,7 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link thing="value">
-          one
-        </link>
+        <link thing="value">one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-plain-serializer/test/serialize/inline.js b/packages/slate-plain-serializer/test/serialize/inline.js
index 9ff2292e2..a7a4b5da9 100644
--- a/packages/slate-plain-serializer/test/serialize/inline.js
+++ b/packages/slate-plain-serializer/test/serialize/inline.js
@@ -6,9 +6,7 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>
-          one
-        </link>
+        <link>one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-prop-types/src/index.js b/packages/slate-prop-types/src/index.js
index 2654f6c89..78f5208cb 100644
--- a/packages/slate-prop-types/src/index.js
+++ b/packages/slate-prop-types/src/index.js
@@ -1,4 +1,3 @@
-
 import {
   Block,
   Change,
@@ -29,16 +28,21 @@ function create(name, validate) {
   function check(isRequired, props, propName, componentName, location) {
     const value = props[propName]
     if (value == null && !isRequired) return null
-    if (value == null && isRequired) return new Error(`The ${location} \`${propName}\` is marked as required in \`${componentName}\`, but it was not supplied.`)
+    if (value == null && isRequired)
+      return new Error(
+        `The ${location} \`${propName}\` is marked as required in \`${componentName}\`, but it was not supplied.`
+      )
     if (validate(value)) return null
-    return new Error(`Invalid ${location} \`${propName}\` supplied to \`${componentName}\`, expected a Slate \`${name}\` but received: ${value}`)
+    return new Error(
+      `Invalid ${location} \`${propName}\` supplied to \`${componentName}\`, expected a Slate \`${name}\` but received: ${value}`
+    )
   }
 
   function propType(...args) {
     return check(false, ...args)
   }
 
-  propType.isRequired = function (...args) {
+  propType.isRequired = function(...args) {
     return check(true, ...args)
   }
 
diff --git a/packages/slate-react/benchmark/index.js b/packages/slate-react/benchmark/index.js
index 4d4c4c7c7..912cad210 100644
--- a/packages/slate-react/benchmark/index.js
+++ b/packages/slate-react/benchmark/index.js
@@ -8,17 +8,22 @@ import { basename, extname, resolve } from 'path'
  */
 
 const categoryDir = resolve(__dirname)
-const categories = fs.readdirSync(categoryDir).filter(c => c[0] != '.' && c != 'index.js')
+const categories = fs
+  .readdirSync(categoryDir)
+  .filter(c => c[0] != '.' && c != 'index.js')
 
-categories.forEach((category) => {
+categories.forEach(category => {
   suite(category, () => {
     set('iterations', 50)
     set('mintime', 1000)
 
     const benchmarkDir = resolve(categoryDir, category)
-    const benchmarks = fs.readdirSync(benchmarkDir).filter(b => b[0] != '.' && !!~b.indexOf('.js')).map(b => basename(b, extname(b)))
+    const benchmarks = fs
+      .readdirSync(benchmarkDir)
+      .filter(b => b[0] != '.' && !!~b.indexOf('.js'))
+      .map(b => basename(b, extname(b)))
 
-    benchmarks.forEach((benchmark) => {
+    benchmarks.forEach(benchmark => {
       const dir = resolve(benchmarkDir, benchmark)
       const module = require(dir)
       const fn = module.default
diff --git a/packages/slate-react/benchmark/rendering/normal.js b/packages/slate-react/benchmark/rendering/normal.js
index bc805d4e1..2dda5dc3b 100644
--- a/packages/slate-react/benchmark/rendering/normal.js
+++ b/packages/slate-react/benchmark/rendering/normal.js
@@ -6,7 +6,7 @@ import ReactDOM from 'react-dom/server'
 import h from '../../test/helpers/h'
 import { Editor } from '../..'
 
-export default function (value) {
+export default function(value) {
   const el = React.createElement(Editor, { value })
   ReactDOM.renderToStaticMarkup(el)
 }
@@ -18,7 +18,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate-react/src/components/content.js b/packages/slate-react/src/components/content.js
index ebdb8e460..72024ed6d 100644
--- a/packages/slate-react/src/components/content.js
+++ b/packages/slate-react/src/components/content.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import React from 'react'
 import Types from 'prop-types'
@@ -15,7 +14,7 @@ import {
   IS_FIREFOX,
   IS_IOS,
   IS_ANDROID,
-  SUPPORTED_EVENTS
+  SUPPORTED_EVENTS,
 } from '../constants/environment'
 
 /**
@@ -33,7 +32,6 @@ const debug = Debug('slate:content')
  */
 
 class Content extends React.Component {
-
   /**
    * Property types.
    *
@@ -77,8 +75,8 @@ class Content extends React.Component {
     this.tmp.key = 0
     this.tmp.isUpdatingSelection = false
 
-    EVENT_HANDLERS.forEach((handler) => {
-      this[handler] = (event) => {
+    EVENT_HANDLERS.forEach(handler => {
+      this[handler] = event => {
         this.onEvent(handler, event)
       }
     })
@@ -96,7 +94,10 @@ class Content extends React.Component {
     const { editor } = this.props
     const window = getWindow(this.element)
 
-    window.document.addEventListener('selectionchange', this.onNativeSelectionChange)
+    window.document.addEventListener(
+      'selectionchange',
+      this.onNativeSelectionChange
+    )
 
     // COMPAT: Restrict scope of `beforeinput` to mobile.
     if ((IS_IOS || IS_ANDROID) && SUPPORTED_EVENTS.beforeinput) {
@@ -118,7 +119,10 @@ class Content extends React.Component {
     const window = getWindow(this.element)
 
     if (window) {
-      window.document.removeEventListener('selectionchange', this.onNativeSelectionChange)
+      window.document.removeEventListener(
+        'selectionchange',
+        this.onNativeSelectionChange
+      )
     }
 
     // COMPAT: Restrict scope of `beforeinput` to mobile.
@@ -169,16 +173,14 @@ class Content extends React.Component {
     const range = findDOMRange(selection, window)
 
     if (!range) {
-      logger.error('Unable to find a native DOM range from the current selection.', { selection })
+      logger.error(
+        'Unable to find a native DOM range from the current selection.',
+        { selection }
+      )
       return
     }
 
-    const {
-      startContainer,
-      startOffset,
-      endContainer,
-      endOffset,
-    } = range
+    const { startContainer, startOffset, endContainer, endOffset } = range
 
     // If the new range matches the current selection, there is nothing to fix.
     // COMPAT: The native `Range` object always has it's "start" first and "end"
@@ -186,18 +188,14 @@ class Content extends React.Component {
     // to check both orientations here. (2017/10/31)
     if (current) {
       if (
-        (
-          startContainer == current.startContainer &&
+        (startContainer == current.startContainer &&
           startOffset == current.startOffset &&
           endContainer == current.endContainer &&
-          endOffset == current.endOffset
-        ) ||
-        (
-          startContainer == current.endContainer &&
+          endOffset == current.endOffset) ||
+        (startContainer == current.endContainer &&
           startOffset == current.endOffset &&
           endContainer == current.startContainer &&
-          endOffset == current.startOffset
-        )
+          endOffset == current.startOffset)
       ) {
         return
       }
@@ -251,7 +249,7 @@ class Content extends React.Component {
    * @param {Element} element
    */
 
-  ref = (element) => {
+  ref = element => {
     this.element = element
   }
 
@@ -264,13 +262,13 @@ class Content extends React.Component {
    * @return {Boolean}
    */
 
-  isInEditor = (target) => {
+  isInEditor = target => {
     const { element } = this
     // COMPAT: Text nodes don't have `isContentEditable` property. So, when
     // `target` is a text node use its parent node for check.
     const el = target.nodeType === 3 ? target.parentNode : target
     return (
-      (el.isContentEditable) &&
+      el.isContentEditable &&
       (el === element || el.closest('[data-slate-editor]') === element)
     )
   }
@@ -295,11 +293,7 @@ class Content extends React.Component {
     // programmatically while updating selection.
     if (
       this.tmp.isUpdatingSelection &&
-      (
-        handler == 'onSelect' ||
-        handler == 'onBlur' ||
-        handler == 'onFocus'
-      )
+      (handler == 'onSelect' || handler == 'onBlur' || handler == 'onFocus')
     ) {
       return
     }
@@ -368,11 +362,11 @@ class Content extends React.Component {
    * @param {InputEvent} event
    */
 
-  onNativeBeforeInput = (event) => {
+  onNativeBeforeInput = event => {
     if (this.props.readOnly) return
     if (!this.isInEditor(event.target)) return
 
-    const [ targetRange ] = event.getTargetRanges()
+    const [targetRange] = event.getTargetRanges()
     if (!targetRange) return
 
     const { editor } = this.props
@@ -391,7 +385,7 @@ class Content extends React.Component {
         event.preventDefault()
         const range = findRange(targetRange, editor.value)
 
-        editor.change((change) => {
+        editor.change(change => {
           if (change.value.isInVoid) {
             change.collapseToStartOfNextText()
           } else {
@@ -407,9 +401,10 @@ class Content extends React.Component {
         // `dataTransfer` should have the text for the `insertReplacementText`
         // input type, but Safari uses `insertText` for spell check replacements
         // and sets `data` to `null`.
-        const text = event.data == null
-          ? event.dataTransfer.getData('text/plain')
-          : event.data
+        const text =
+          event.data == null
+            ? event.dataTransfer.getData('text/plain')
+            : event.data
 
         if (text == null) return
 
@@ -419,7 +414,7 @@ class Content extends React.Component {
         const { selection } = value
         const range = findRange(targetRange, value)
 
-        editor.change((change) => {
+        editor.change(change => {
           change.insertTextAtRange(range, text, selection.marks)
 
           // If the text was successfully inserted, and the selection had marks
@@ -443,7 +438,7 @@ class Content extends React.Component {
    * @param {Event} event
    */
 
-  onNativeSelectionChange = throttle((event) => {
+  onNativeSelectionChange = throttle(event => {
     if (this.props.readOnly) return
 
     const window = getWindow(event.target)
@@ -526,7 +521,7 @@ class Content extends React.Component {
         autoCorrect={props.autoCorrect ? 'on' : 'off'}
         spellCheck={spellCheck}
         style={style}
-        role={readOnly ? null : (role || 'textbox')}
+        role={readOnly ? null : role || 'textbox'}
         tabIndex={tabIndex}
         // COMPAT: The Grammarly Chrome extension works by changing the DOM out
         // from under `contenteditable` elements, which leads to weird behaviors
@@ -567,14 +562,13 @@ class Content extends React.Component {
       />
     )
   }
-
 }
 
 /**
  * Mix in handler prop types.
  */
 
-EVENT_HANDLERS.forEach((handler) => {
+EVENT_HANDLERS.forEach(handler => {
   Content.propTypes[handler] = Types.func.isRequired
 })
 
diff --git a/packages/slate-react/src/components/editor.js b/packages/slate-react/src/components/editor.js
index e656eec23..b6c52ec61 100644
--- a/packages/slate-react/src/components/editor.js
+++ b/packages/slate-react/src/components/editor.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import Portal from 'react-portal'
 import React from 'react'
@@ -28,7 +27,6 @@ const debug = Debug('slate:editor')
  */
 
 class Editor extends React.Component {
-
   /**
    * Property types.
    *
@@ -95,7 +93,7 @@ class Editor extends React.Component {
     this.state.value = change.value
 
     // Create a bound event handler for each event.
-    EVENT_HANDLERS.forEach((handler) => {
+    EVENT_HANDLERS.forEach(handler => {
       this[handler] = (...args) => {
         this.onEvent(handler, ...args)
       }
@@ -109,7 +107,7 @@ class Editor extends React.Component {
    * @param {Object} props
    */
 
-  componentWillReceiveProps = (props) => {
+  componentWillReceiveProps = props => {
     let { schema, stack } = this
 
     // Increment the updates counter as a baseline.
@@ -117,7 +115,10 @@ class Editor extends React.Component {
 
     // If the plugins or the schema have changed, we need to re-resolve the
     // plugins, since it will result in a new stack and new validations.
-    if (props.plugins != this.props.plugins || props.schema != this.props.schema) {
+    if (
+      props.plugins != this.props.plugins ||
+      props.schema != this.props.schema
+    ) {
       const plugins = this.resolvePlugins(props.plugins, props.schema)
       stack = Stack.create({ plugins })
       schema = Schema.create({ plugins })
@@ -129,7 +130,9 @@ class Editor extends React.Component {
       // If we've resolved a few times already, and it's exactly in line with
       // the updates, then warn the user that they may be doing something wrong.
       if (this.tmp.resolves > 5 && this.tmp.resolves == this.tmp.updates) {
-        logger.warn('A Slate <Editor> is re-resolving `props.plugins` or `props.schema` on each update, which leads to poor performance. This is often due to passing in a new `schema` or `plugins` prop with each render by declaring them inline in your render function. Do not do this!')
+        logger.warn(
+          'A Slate <Editor> is re-resolving `props.plugins` or `props.schema` on each update, which leads to poor performance. This is often due to passing in a new `schema` or `plugins` prop with each render by declaring them inline in your render function. Do not do this!'
+        )
       }
     }
 
@@ -166,7 +169,7 @@ class Editor extends React.Component {
    * @param {Change} change
    */
 
-  queueChange = (change) => {
+  queueChange = change => {
     if (change.operations.size) {
       debug('queueChange', { change })
       this.tmp.change = change
@@ -239,7 +242,7 @@ class Editor extends React.Component {
    */
 
   onEvent = (handler, event) => {
-    this.change((change) => {
+    this.change(change => {
       this.stack.run(handler, event, change, this)
     })
   }
@@ -250,7 +253,7 @@ class Editor extends React.Component {
    * @param {Change} change
    */
 
-  onChange = (change) => {
+  onChange = change => {
     debug('onChange', { change })
 
     this.stack.run('onChange', change, this)
@@ -271,7 +274,11 @@ class Editor extends React.Component {
 
     const children = this.stack
       .map('renderPortal', this.value, this)
-      .map((child, i) => <Portal key={i} isOpened>{child}</Portal>)
+      .map((child, i) => (
+        <Portal key={i} isOpened>
+          {child}
+        </Portal>
+      ))
 
     const props = { ...this.props, children }
     const tree = this.stack.render('renderEditor', props, this)
@@ -296,7 +303,7 @@ class Editor extends React.Component {
     const beforePlugin = BeforePlugin()
     const afterPlugin = AfterPlugin()
     const editorPlugin = {
-      schema: schema || {}
+      schema: schema || {},
     }
 
     for (const prop of PLUGINS_PROPS) {
@@ -313,17 +320,10 @@ class Editor extends React.Component {
       }
     }
 
-    return [
-      beforePlugin,
-      editorPlugin,
-      ...(plugins || []),
-      afterPlugin
-    ]
+    return [beforePlugin, editorPlugin, ...(plugins || []), afterPlugin]
   }
-
 }
 
-
 /**
  * Mix in the property types for the event handlers.
  */
diff --git a/packages/slate-react/src/components/leaf.js b/packages/slate-react/src/components/leaf.js
index 17188d526..2246f25c7 100644
--- a/packages/slate-react/src/components/leaf.js
+++ b/packages/slate-react/src/components/leaf.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import React from 'react'
 import Types from 'prop-types'
@@ -21,7 +20,6 @@ const debug = Debug('slate:leaves')
  */
 
 class Leaf extends React.Component {
-
   /**
    * Property types.
    *
@@ -85,14 +83,10 @@ class Leaf extends React.Component {
     const { node, index } = this.props
     const offsetKey = OffsetKey.stringify({
       key: node.key,
-      index
+      index,
     })
 
-    return (
-      <span data-offset-key={offsetKey}>
-        {this.renderMarks()}
-      </span>
-    )
+    return <span data-offset-key={offsetKey}>{this.renderMarks()}</span>
   }
 
   /**
@@ -142,7 +136,6 @@ class Leaf extends React.Component {
     // Otherwise, just return the text.
     return text
   }
-
 }
 
 /**
diff --git a/packages/slate-react/src/components/node.js b/packages/slate-react/src/components/node.js
index c2c66820c..b3259999b 100644
--- a/packages/slate-react/src/components/node.js
+++ b/packages/slate-react/src/components/node.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import ImmutableTypes from 'react-immutable-proptypes'
 import React from 'react'
@@ -24,7 +23,6 @@ const debug = Debug('slate:node')
  */
 
 class Node extends React.Component {
-
   /**
    * Property types.
    *
@@ -62,10 +60,14 @@ class Node extends React.Component {
    * @return {Boolean}
    */
 
-  shouldComponentUpdate = (nextProps) => {
+  shouldComponentUpdate = nextProps => {
     const { props } = this
     const { stack } = props.editor
-    const shouldUpdate = stack.find('shouldNodeComponentUpdate', props, nextProps)
+    const shouldUpdate = stack.find(
+      'shouldNodeComponentUpdate',
+      props,
+      nextProps
+    )
     const n = nextProps
     const p = props
 
@@ -78,7 +80,9 @@ class Node extends React.Component {
       }
 
       if (shouldUpdate === false) {
-        logger.warn('Returning false in `shouldNodeComponentUpdate` does not disable Slate\'s internal `shouldComponentUpdate` logic. If you want to prevent updates, use React\'s `shouldComponentUpdate` instead.')
+        logger.warn(
+          "Returning false in `shouldNodeComponentUpdate` does not disable Slate's internal `shouldComponentUpdate` logic. If you want to prevent updates, use React's `shouldComponentUpdate` instead."
+        )
       }
     }
 
@@ -148,15 +152,19 @@ class Node extends React.Component {
     let placeholder = stack.find('renderPlaceholder', props)
 
     if (placeholder) {
-      placeholder = React.cloneElement(placeholder, { key: `${node.key}-placeholder` })
+      placeholder = React.cloneElement(placeholder, {
+        key: `${node.key}-placeholder`,
+      })
       children = [placeholder, ...children]
     }
 
-    const element = stack.find('renderNode', { ...props, attributes, children })
+    const element = stack.find('renderNode', {
+      ...props,
+      attributes,
+      children,
+    })
 
-    return node.isVoid
-      ? <Void {...this.props}>{element}</Void>
-      : element
+    return node.isVoid ? <Void {...this.props}>{element}</Void> : element
   }
 
   /**
@@ -185,7 +193,6 @@ class Node extends React.Component {
       />
     )
   }
-
 }
 
 /**
diff --git a/packages/slate-react/src/components/text.js b/packages/slate-react/src/components/text.js
index 7db4662a4..a5924ed88 100644
--- a/packages/slate-react/src/components/text.js
+++ b/packages/slate-react/src/components/text.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import ImmutableTypes from 'react-immutable-proptypes'
 import React from 'react'
@@ -22,7 +21,6 @@ const debug = Debug('slate:node')
  */
 
 class Text extends React.Component {
-
   /**
    * Property types.
    *
@@ -69,7 +67,7 @@ class Text extends React.Component {
    * @return {Boolean}
    */
 
-  shouldComponentUpdate = (nextProps) => {
+  shouldComponentUpdate = nextProps => {
     const { props } = this
     const n = nextProps
     const p = props
@@ -109,7 +107,7 @@ class Text extends React.Component {
     const { document } = value
     const { key } = node
 
-    const decs = decorations.filter((d) => {
+    const decs = decorations.filter(d => {
       const { startKey, endKey } = d
       if (startKey == key || endKey == key) return true
       const startsBefore = document.areDescendantsSorted(startKey, key)
@@ -162,7 +160,6 @@ class Text extends React.Component {
       />
     )
   }
-
 }
 
 /**
diff --git a/packages/slate-react/src/components/void.js b/packages/slate-react/src/components/void.js
index e4f797fe1..4f45c9f9f 100644
--- a/packages/slate-react/src/components/void.js
+++ b/packages/slate-react/src/components/void.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import React from 'react'
 import SlateTypes from 'slate-prop-types'
@@ -21,7 +20,6 @@ const debug = Debug('slate:void')
  */
 
 class Void extends React.Component {
-
   /**
    * Property types.
    *
@@ -78,11 +76,7 @@ class Void extends React.Component {
       </Tag>
     )
 
-    const content = (
-      <Tag draggable={readOnly ? null : true}>
-        {children}
-      </Tag>
-    )
+    const content = <Tag draggable={readOnly ? null : true}>{children}</Tag>
 
     this.debug('render', { props })
 
@@ -110,7 +104,14 @@ class Void extends React.Component {
    */
 
   renderText = () => {
-    const { block, decorations, isSelected, node, readOnly, editor } = this.props
+    const {
+      block,
+      decorations,
+      isSelected,
+      node,
+      readOnly,
+      editor,
+    } = this.props
     const child = node.getFirstText()
     return (
       <Text
@@ -125,7 +126,6 @@ class Void extends React.Component {
       />
     )
   }
-
 }
 
 /**
diff --git a/packages/slate-react/src/constants/environment.js b/packages/slate-react/src/constants/environment.js
index e26b4be7c..27589676a 100644
--- a/packages/slate-react/src/constants/environment.js
+++ b/packages/slate-react/src/constants/environment.js
@@ -1,4 +1,3 @@
-
 import browser from 'is-in-browser'
 
 /**
@@ -26,9 +25,7 @@ const BROWSER_RULES = [
  * @type {Array}
  */
 
-const EVENT_RULES = [
-  ['beforeinput', el => 'onbeforeinput' in el]
-]
+const EVENT_RULES = [['beforeinput', el => 'onbeforeinput' in el]]
 
 /**
  * Operating system matching rules.
@@ -59,14 +56,14 @@ let OS
 if (browser) {
   const { userAgent } = window.navigator
 
-  for (const [ name, regexp ] of BROWSER_RULES) {
+  for (const [name, regexp] of BROWSER_RULES) {
     if (regexp.test(userAgent)) {
       BROWSER = name
       break
     }
   }
 
-  for (const [ name, regexp ] of OS_RULES) {
+  for (const [name, regexp] of OS_RULES) {
     if (regexp.test(userAgent)) {
       OS = name
       break
@@ -76,7 +73,7 @@ if (browser) {
   const testEl = window.document.createElement('div')
   testEl.contentEditable = true
 
-  for (const [ name, testFn ] of EVENT_RULES) {
+  for (const [name, testFn] of EVENT_RULES) {
     EVENTS[name] = testFn(testEl)
   }
 }
diff --git a/packages/slate-react/src/constants/event-handlers.js b/packages/slate-react/src/constants/event-handlers.js
index d15cfe809..96a52b4ff 100644
--- a/packages/slate-react/src/constants/event-handlers.js
+++ b/packages/slate-react/src/constants/event-handlers.js
@@ -1,4 +1,3 @@
-
 /**
  * Event handlers used by Slate plugins.
  *
diff --git a/packages/slate-react/src/constants/hotkeys.js b/packages/slate-react/src/constants/hotkeys.js
index 91cd32b3d..608b2a2da 100644
--- a/packages/slate-react/src/constants/hotkeys.js
+++ b/packages/slate-react/src/constants/hotkeys.js
@@ -1,4 +1,3 @@
-
 import { isKeyHotkey } from 'is-hotkey'
 
 import { IS_IOS, IS_MAC } from './environment'
@@ -33,8 +32,10 @@ const DELETE_FORWARD = e => DELETE(e) || SHIFT_DELETE(e)
 
 const DELETE_CHAR_BACKWARD_MAC = isKeyHotkey('ctrl+h')
 const DELETE_CHAR_FORWARD_MAC = isKeyHotkey('ctrl+d')
-const DELETE_CHAR_BACKWARD = e => DELETE_BACKWARD(e) || (IS_APPLE && DELETE_CHAR_BACKWARD_MAC(e))
-const DELETE_CHAR_FORWARD = e => DELETE_FORWARD(e) || (IS_APPLE && DELETE_CHAR_FORWARD_MAC(e))
+const DELETE_CHAR_BACKWARD = e =>
+  DELETE_BACKWARD(e) || (IS_APPLE && DELETE_CHAR_BACKWARD_MAC(e))
+const DELETE_CHAR_FORWARD = e =>
+  DELETE_FORWARD(e) || (IS_APPLE && DELETE_CHAR_FORWARD_MAC(e))
 
 const DELETE_LINE_BACKWARD_MAC = isKeyHotkey('cmd+backspace')
 const DELETE_LINE_FORWARD_MAC = isKeyHotkey('ctrl+k')
@@ -45,8 +46,10 @@ const DELETE_WORD_BACKWARD_MAC = isKeyHotkey('option+backspace')
 const DELETE_WORD_BACKWARD_PC = isKeyHotkey('ctrl+backspace')
 const DELETE_WORD_FORWARD_MAC = isKeyHotkey('option+delete')
 const DELETE_WORD_FORWARD_PC = isKeyHotkey('ctrl+delete')
-const DELETE_WORD_BACKWARD = e => IS_APPLE ? DELETE_WORD_BACKWARD_MAC(e) : DELETE_WORD_BACKWARD_PC(e)
-const DELETE_WORD_FORWARD = e => IS_APPLE ? DELETE_WORD_FORWARD_MAC(e) : DELETE_WORD_FORWARD_PC(e)
+const DELETE_WORD_BACKWARD = e =>
+  IS_APPLE ? DELETE_WORD_BACKWARD_MAC(e) : DELETE_WORD_BACKWARD_PC(e)
+const DELETE_WORD_FORWARD = e =>
+  IS_APPLE ? DELETE_WORD_FORWARD_MAC(e) : DELETE_WORD_FORWARD_PC(e)
 
 const RIGHT_ARROW = isKeyHotkey('right')
 const LEFT_ARROW = isKeyHotkey('left')
@@ -69,12 +72,12 @@ const EXTEND_LINE_FORWARD = e => IS_APPLE && EXTEND_LINE_FORWARD_MAC(e)
 const UNDO = isKeyHotkey('mod+z')
 const REDO_MAC = isKeyHotkey('mod+shift+z')
 const REDO_PC = isKeyHotkey('mod+y')
-const REDO = e => IS_APPLE ? REDO_MAC(e) : REDO_PC(e)
+const REDO = e => (IS_APPLE ? REDO_MAC(e) : REDO_PC(e))
 
 const TRANSPOSE_CHARACTER_MAC = isKeyHotkey('ctrl+t')
 const TRANSPOSE_CHARACTER = e => IS_APPLE && TRANSPOSE_CHARACTER_MAC(e)
 
-const CONTENTEDITABLE = e => (
+const CONTENTEDITABLE = e =>
   BOLD(e) ||
   DELETE_CHAR_BACKWARD(e) ||
   DELETE_CHAR_FORWARD(e) ||
@@ -87,16 +90,14 @@ const CONTENTEDITABLE = e => (
   SPLIT_BLOCK(e) ||
   TRANSPOSE_CHARACTER(e) ||
   UNDO(e)
-)
 
-const COMPOSING = e => (
+const COMPOSING = e =>
   e.key == 'ArrowDown' ||
   e.key == 'ArrowLeft' ||
   e.key == 'ArrowRight' ||
   e.key == 'ArrowUp' ||
   e.key == 'Backspace' ||
   e.key == 'Enter'
-)
 
 /**
  * Export.
diff --git a/packages/slate-react/src/constants/plugin-props.js b/packages/slate-react/src/constants/plugin-props.js
index 23e8f507b..0e772216d 100644
--- a/packages/slate-react/src/constants/plugin-props.js
+++ b/packages/slate-react/src/constants/plugin-props.js
@@ -1,4 +1,3 @@
-
 import EVENT_HANDLERS from './event-handlers'
 
 /**
diff --git a/packages/slate-react/src/constants/transfer-types.js b/packages/slate-react/src/constants/transfer-types.js
index 3fa4e6bcb..ac16c27fb 100644
--- a/packages/slate-react/src/constants/transfer-types.js
+++ b/packages/slate-react/src/constants/transfer-types.js
@@ -1,4 +1,3 @@
-
 /**
  * The transfer types that Slate recognizes.
  *
diff --git a/packages/slate-react/src/index.js b/packages/slate-react/src/index.js
index 67f056b84..dcf781d0f 100644
--- a/packages/slate-react/src/index.js
+++ b/packages/slate-react/src/index.js
@@ -1,4 +1,3 @@
-
 import Editor from './components/editor'
 import cloneFragment from './utils/clone-fragment'
 import findDOMNode from './utils/find-dom-node'
diff --git a/packages/slate-react/src/plugins/after.js b/packages/slate-react/src/plugins/after.js
index 3dd14d57a..a9815ca43 100644
--- a/packages/slate-react/src/plugins/after.js
+++ b/packages/slate-react/src/plugins/after.js
@@ -1,4 +1,3 @@
-
 import Base64 from 'slate-base64-serializer'
 import Debug from 'debug'
 import Plain from 'slate-plain-serializer'
@@ -225,9 +224,11 @@ function AfterPlugin() {
       selection.endKey == target.endKey &&
       selection.endOffset < target.endOffset
     ) {
-      target = target.move(selection.startKey == selection.endKey
-        ? 0 - selection.endOffset + selection.startOffset
-        : 0 - selection.endOffset)
+      target = target.move(
+        selection.startKey == selection.endKey
+          ? 0 - selection.endOffset + selection.startOffset
+          : 0 - selection.endOffset
+      )
     }
 
     if (isDraggingInternally) {
@@ -252,12 +253,10 @@ function AfterPlugin() {
         if (n) change.collapseToStartOf(n)
       }
 
-      text
-        .split('\n')
-        .forEach((line, i) => {
-          if (i > 0) change.splitBlock()
-          change.insertText(line)
-        })
+      text.split('\n').forEach((line, i) => {
+        if (i > 0) change.splitBlock()
+        change.insertText(line)
+      })
     }
 
     if (type == 'fragment') {
@@ -280,11 +279,13 @@ function AfterPlugin() {
     const el = findDOMNode(focusNode, window)
     if (!el) return
 
-    el.dispatchEvent(new MouseEvent('mouseup', {
-      view: window,
-      bubbles: true,
-      cancelable: true
-    }))
+    el.dispatchEvent(
+      new MouseEvent('mouseup', {
+        view: window,
+        bubbles: true,
+        cancelable: true,
+      })
+    )
   }
 
   /**
@@ -316,11 +317,12 @@ function AfterPlugin() {
     let start = 0
     let end = 0
 
-    const leaf = leaves.find((r) => {
-      start = end
-      end += r.text.length
-      if (end >= point.offset) return true
-    }) || lastLeaf
+    const leaf =
+      leaves.find(r => {
+        start = end
+        end += r.text.length
+        if (end >= point.offset) return true
+      }) || lastLeaf
 
     // Get the text information.
     const { text } = leaf
@@ -342,12 +344,12 @@ function AfterPlugin() {
     // Determine what the selection should be after changing the text.
     const delta = textContent.length - text.length
     const corrected = selection.collapseToEnd().move(delta)
-    const entire = selection.moveAnchorTo(point.key, start).moveFocusTo(point.key, end)
+    const entire = selection
+      .moveAnchorTo(point.key, start)
+      .moveFocusTo(point.key, end)
 
     // Change the current value to have the leaf's text replaced.
-    change
-      .insertTextAtRange(entire, textContent, leaf.marks)
-      .select(corrected)
+    change.insertTextAtRange(entire, textContent, leaf.marks).select(corrected)
   }
 
   /**
@@ -432,7 +434,8 @@ function AfterPlugin() {
     // browsers won't know what to do.
     if (HOTKEYS.COLLAPSE_CHAR_BACKWARD(event)) {
       const { document, isInVoid, previousText, startText } = value
-      const isPreviousInVoid = previousText && document.hasVoidParent(previousText.key)
+      const isPreviousInVoid =
+        previousText && document.hasVoidParent(previousText.key)
       if (isInVoid || isPreviousInVoid || startText.text == '') {
         event.preventDefault()
         return change.collapseCharBackward()
@@ -450,7 +453,8 @@ function AfterPlugin() {
 
     if (HOTKEYS.EXTEND_CHAR_BACKWARD(event)) {
       const { document, isInVoid, previousText, startText } = value
-      const isPreviousInVoid = previousText && document.hasVoidParent(previousText.key)
+      const isPreviousInVoid =
+        previousText && document.hasVoidParent(previousText.key)
       if (isInVoid || isPreviousInVoid || startText.text == '') {
         event.preventDefault()
         return change.extendCharBackward()
@@ -493,7 +497,8 @@ function AfterPlugin() {
 
       const defaultBlock = startBlock
       const defaultMarks = document.getInsertMarksAtRange(selection)
-      const frag = Plain.deserialize(text, { defaultBlock, defaultMarks }).document
+      const frag = Plain.deserialize(text, { defaultBlock, defaultMarks })
+        .document
       change.insertFragment(frag)
     }
   }
@@ -621,7 +626,11 @@ function AfterPlugin() {
     if (node.object != 'block' && node.object != 'inline') return
     const Tag = node.object == 'block' ? 'div' : 'span'
     const style = { position: 'relative' }
-    return <Tag {...attributes} style={style}>{children}</Tag>
+    return (
+      <Tag {...attributes} style={style}>
+        {children}
+      </Tag>
+    )
   }
 
   /**
diff --git a/packages/slate-react/src/plugins/before.js b/packages/slate-react/src/plugins/before.js
index fb7c782f9..8185538f2 100644
--- a/packages/slate-react/src/plugins/before.js
+++ b/packages/slate-react/src/plugins/before.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import getWindow from 'get-window'
 import { findDOMNode } from 'react-dom'
@@ -8,7 +7,7 @@ import {
   IS_FIREFOX,
   IS_IOS,
   IS_ANDROID,
-  SUPPORTED_EVENTS
+  SUPPORTED_EVENTS,
 } from '../constants/environment'
 import findNode from '../utils/find-node'
 
@@ -117,9 +116,7 @@ function BeforePlugin() {
     // happen on the initialization of the editor, or if the schema changes.
     // This change isn't save into history since only schema is updated.
     if (value.schema != editor.schema) {
-      change
-        .setValue({ schema: editor.schema }, { save: false })
-        .normalize()
+      change.setValue({ schema: editor.schema }, { save: false }).normalize()
     }
 
     debug('onChange')
@@ -183,7 +180,7 @@ function BeforePlugin() {
   function onCopy(event, change, editor) {
     const window = getWindow(event.target)
     isCopying = true
-    window.requestAnimationFrame(() => isCopying = false)
+    window.requestAnimationFrame(() => (isCopying = false))
 
     debug('onCopy', { event })
   }
@@ -201,7 +198,7 @@ function BeforePlugin() {
 
     const window = getWindow(event.target)
     isCopying = true
-    window.requestAnimationFrame(() => isCopying = false)
+    window.requestAnimationFrame(() => (isCopying = false))
 
     debug('onCut', { event })
   }
diff --git a/packages/slate-react/src/utils/clone-fragment.js b/packages/slate-react/src/utils/clone-fragment.js
index a6e8c2827..64ae94fa4 100644
--- a/packages/slate-react/src/utils/clone-fragment.js
+++ b/packages/slate-react/src/utils/clone-fragment.js
@@ -1,4 +1,3 @@
-
 import Base64 from 'slate-base64-serializer'
 
 import findDOMNode from './find-dom-node'
@@ -48,10 +47,10 @@ function cloneFragment(event, value, fragment = value.fragment) {
   // check if there is marks involved. If so, set the range start just before the
   // startText node
   if ((IS_CHROME || IS_SAFARI) && !isVoid && startKey === endKey) {
-    const hasMarks = startText.characters
-      .slice(value.selection.anchorOffset, value.selection.focusOffset)
-      .filter(char => char.marks.size !== 0)
-      .size !== 0
+    const hasMarks =
+      startText.characters
+        .slice(value.selection.anchorOffset, value.selection.focusOffset)
+        .filter(char => char.marks.size !== 0).size !== 0
     if (hasMarks) {
       const r = range.cloneRange()
       const node = findDOMNode(startText, window)
@@ -63,14 +62,18 @@ function cloneFragment(event, value, fragment = value.fragment) {
 
   // Remove any zero-width space spans from the cloned DOM so that they don't
   // show up elsewhere when pasted.
-  const zws = [].slice.call(contents.querySelectorAll('[data-slate-zero-width]'))
+  const zws = [].slice.call(
+    contents.querySelectorAll('[data-slate-zero-width]')
+  )
   zws.forEach(zw => zw.parentNode.removeChild(zw))
 
   // COMPAT: In Chrome and Safari, if the last element in the selection to
   // copy has `contenteditable="false"` the copy will fail, and nothing will
   // be put in the clipboard. So we remove them all. (2017/05/04)
   if (IS_CHROME || IS_SAFARI) {
-    const els = [].slice.call(contents.querySelectorAll('[contenteditable="false"]'))
+    const els = [].slice.call(
+      contents.querySelectorAll('[contenteditable="false"]')
+    )
     els.forEach(el => el.removeAttribute('contenteditable'))
   }
 
@@ -104,7 +107,8 @@ function cloneFragment(event, value, fragment = value.fragment) {
   div.style.border = '0px'
   div.style.padding = '0px'
   div.style.margin = '0px'
-  div.style.top = `${window.pageYOffset || window.document.documentElement.scrollTop}px`
+  div.style.top = `${window.pageYOffset ||
+    window.document.documentElement.scrollTop}px`
 
   div.appendChild(contents)
   editor.appendChild(div)
diff --git a/packages/slate-react/src/utils/find-deepest-node.js b/packages/slate-react/src/utils/find-deepest-node.js
index 53e2a863b..04f8eefec 100644
--- a/packages/slate-react/src/utils/find-deepest-node.js
+++ b/packages/slate-react/src/utils/find-deepest-node.js
@@ -1,4 +1,3 @@
-
 /**
  * Find the deepest descendant of a DOM `element`.
  *
@@ -7,9 +6,7 @@
  */
 
 function findDeepestNode(element) {
-  return element.firstChild
-    ? findDeepestNode(element.firstChild)
-    : element
+  return element.firstChild ? findDeepestNode(element.firstChild) : element
 }
 
 /**
diff --git a/packages/slate-react/src/utils/find-dom-node.js b/packages/slate-react/src/utils/find-dom-node.js
index cc4218c34..84d8abe89 100644
--- a/packages/slate-react/src/utils/find-dom-node.js
+++ b/packages/slate-react/src/utils/find-dom-node.js
@@ -1,4 +1,3 @@
-
 import { Node } from 'slate'
 
 /**
@@ -17,7 +16,9 @@ function findDOMNode(key, win = window) {
   const el = win.document.querySelector(`[data-key="${key}"]`)
 
   if (!el) {
-    throw new Error(`Unable to find a DOM node for "${key}". This is often because of forgetting to add \`props.attributes\` to a custom component.`)
+    throw new Error(
+      `Unable to find a DOM node for "${key}". This is often because of forgetting to add \`props.attributes\` to a custom component.`
+    )
   }
 
   return el
diff --git a/packages/slate-react/src/utils/find-dom-point.js b/packages/slate-react/src/utils/find-dom-point.js
index 14a7fa22a..01b2ba1d4 100644
--- a/packages/slate-react/src/utils/find-dom-point.js
+++ b/packages/slate-react/src/utils/find-dom-point.js
@@ -1,4 +1,3 @@
-
 import findDOMNode from './find-dom-node'
 
 /**
@@ -24,7 +23,7 @@ function findDOMPoint(key, offset, win = window) {
     false
   )
 
-  while (n = iterator.nextNode()) {
+  while ((n = iterator.nextNode())) {
     const { length } = n.textContent
     const end = start + length
 
diff --git a/packages/slate-react/src/utils/find-dom-range.js b/packages/slate-react/src/utils/find-dom-range.js
index 9abbd6f3d..d1c753f11 100644
--- a/packages/slate-react/src/utils/find-dom-range.js
+++ b/packages/slate-react/src/utils/find-dom-range.js
@@ -1,4 +1,3 @@
-
 import findDOMPoint from './find-dom-point'
 
 /**
@@ -10,7 +9,14 @@ import findDOMPoint from './find-dom-point'
  */
 
 function findDOMRange(range, win = window) {
-  const { anchorKey, anchorOffset, focusKey, focusOffset, isBackward, isCollapsed } = range
+  const {
+    anchorKey,
+    anchorOffset,
+    focusKey,
+    focusOffset,
+    isBackward,
+    isCollapsed,
+  } = range
   const anchor = findDOMPoint(anchorKey, anchorOffset, win)
   const focus = isCollapsed ? anchor : findDOMPoint(focusKey, focusOffset, win)
   if (!anchor || !focus) return null
diff --git a/packages/slate-react/src/utils/find-node.js b/packages/slate-react/src/utils/find-node.js
index a69764f16..65c860db5 100644
--- a/packages/slate-react/src/utils/find-node.js
+++ b/packages/slate-react/src/utils/find-node.js
@@ -1,4 +1,3 @@
-
 /**
  * Find a Slate node from a DOM `element`.
  *
diff --git a/packages/slate-react/src/utils/find-point.js b/packages/slate-react/src/utils/find-point.js
index 2711e100e..3e8f24a79 100644
--- a/packages/slate-react/src/utils/find-point.js
+++ b/packages/slate-react/src/utils/find-point.js
@@ -1,4 +1,3 @@
-
 import getWindow from 'get-window'
 
 import OffsetKey from './offset-key'
@@ -24,10 +23,10 @@ const VOID_SELECTOR = '[data-slate-void]'
  */
 
 function findPoint(nativeNode, nativeOffset, value) {
-  const {
-    node: nearestNode,
-    offset: nearestOffset,
-  } = normalizeNodeAndOffset(nativeNode, nativeOffset)
+  const { node: nearestNode, offset: nearestOffset } = normalizeNodeAndOffset(
+    nativeNode,
+    nativeOffset
+  )
 
   const window = getWindow(nativeNode)
   const { parentNode } = nearestNode
@@ -44,11 +43,9 @@ function findPoint(nativeNode, nativeOffset, value) {
     range.setEnd(nearestNode, nearestOffset)
     node = textNode
     offset = range.toString().length
-  }
-
-  // For void nodes, the element with the offset key will be a cousin, not an
-  // ancestor, so find it by going down from the nearest void parent.
-  else {
+  } else {
+    // For void nodes, the element with the offset key will be a cousin, not an
+    // ancestor, so find it by going down from the nearest void parent.
     const voidNode = parentNode.closest(VOID_SELECTOR)
     if (!voidNode) return null
     rangeNode = voidNode.querySelector(RANGE_SELECTOR)
@@ -138,7 +135,7 @@ function getEditableChild(parent, index, direction) {
   // While the child is a comment node, or an element node with no children,
   // keep iterating to find a sibling non-void, non-comment node.
   while (
-    (child.nodeType == 8) ||
+    child.nodeType == 8 ||
     (child.nodeType == 1 && child.childNodes.length == 0) ||
     (child.nodeType == 1 && child.getAttribute('contenteditable') == 'false')
   ) {
diff --git a/packages/slate-react/src/utils/find-range.js b/packages/slate-react/src/utils/find-range.js
index 658d2b034..eee716db0 100644
--- a/packages/slate-react/src/utils/find-range.js
+++ b/packages/slate-react/src/utils/find-range.js
@@ -1,4 +1,3 @@
-
 import getWindow from 'get-window'
 import isBackward from 'selection-is-backward'
 import { Range } from 'slate'
@@ -23,7 +22,10 @@ function findRange(native, value) {
 
   // If the `native` object is a DOM `Range` or `StaticRange` object, change it
   // into something that looks like a DOM `Selection` instead.
-  if (native instanceof window.Range || (window.StaticRange && native instanceof window.StaticRange)) {
+  if (
+    native instanceof window.Range ||
+    (window.StaticRange && native instanceof window.StaticRange)
+  ) {
     native = {
       anchorNode: native.startContainer,
       anchorOffset: native.startOffset,
@@ -32,7 +34,13 @@ function findRange(native, value) {
     }
   }
 
-  const { anchorNode, anchorOffset, focusNode, focusOffset, isCollapsed } = native
+  const {
+    anchorNode,
+    anchorOffset,
+    focusNode,
+    focusOffset,
+    isCollapsed,
+  } = native
   const anchor = findPoint(anchorNode, anchorOffset, value)
   const focus = isCollapsed ? anchor : findPoint(focusNode, focusOffset, value)
   if (!anchor || !focus) return null
diff --git a/packages/slate-react/src/utils/get-event-range.js b/packages/slate-react/src/utils/get-event-range.js
index 749cf4320..cc23c9472 100644
--- a/packages/slate-react/src/utils/get-event-range.js
+++ b/packages/slate-react/src/utils/get-event-range.js
@@ -1,4 +1,3 @@
-
 import getWindow from 'get-window'
 
 import { Range } from 'slate'
@@ -30,9 +29,10 @@ function getEventRange(event, value) {
   // closest to.
   if (node.isVoid) {
     const rect = target.getBoundingClientRect()
-    const isPrevious = node.object == 'inline'
-      ? x - rect.left < rect.left + rect.width - x
-      : y - rect.top < rect.top + rect.height - y
+    const isPrevious =
+      node.object == 'inline'
+        ? x - rect.left < rect.left + rect.width - x
+        : y - rect.top < rect.top + rect.height - y
 
     const text = node.getFirstText()
     const range = Range.create()
diff --git a/packages/slate-react/src/utils/get-event-transfer.js b/packages/slate-react/src/utils/get-event-transfer.js
index 81ddbbd0e..a651de479 100644
--- a/packages/slate-react/src/utils/get-event-transfer.js
+++ b/packages/slate-react/src/utils/get-event-transfer.js
@@ -1,4 +1,3 @@
-
 import Base64 from 'slate-base64-serializer'
 
 import TRANSFER_TYPES from '../constants/transfer-types'
@@ -9,13 +8,7 @@ import TRANSFER_TYPES from '../constants/transfer-types'
  * @type {String}
  */
 
-const {
-  FRAGMENT,
-  HTML,
-  NODE,
-  RICH,
-  TEXT
-} = TRANSFER_TYPES
+const { FRAGMENT, HTML, NODE, RICH, TEXT } = TRANSFER_TYPES
 
 /**
  * Fragment matching regexp for HTML nodes.
@@ -47,13 +40,9 @@ function getEventTransfer(event) {
 
   // If there isn't a fragment, but there is HTML, check to see if the HTML is
   // actually an encoded fragment.
-  if (
-    !fragment &&
-    html &&
-    ~html.indexOf(' data-slate-fragment="')
-  ) {
+  if (!fragment && html && ~html.indexOf(' data-slate-fragment="')) {
     const matches = FRAGMENT_MATCHER.exec(html)
-    const [ full, encoded ] = matches // eslint-disable-line no-unused-vars
+    const [full, encoded] = matches // eslint-disable-line no-unused-vars
     if (encoded) fragment = encoded
   }
 
@@ -77,7 +66,7 @@ function getEventTransfer(event) {
     // Get and normalize files if they exist.
     if (transfer.items && transfer.items.length) {
       files = Array.from(transfer.items)
-        .map(item => item.kind == 'file' ? item.getAsFile() : null)
+        .map(item => (item.kind == 'file' ? item.getAsFile() : null))
         .filter(exists => exists)
     } else if (transfer.files && transfer.files.length) {
       files = Array.from(transfer.files)
diff --git a/packages/slate-react/src/utils/get-html-from-native-paste.js b/packages/slate-react/src/utils/get-html-from-native-paste.js
index aa635a74e..92504ed91 100644
--- a/packages/slate-react/src/utils/get-html-from-native-paste.js
+++ b/packages/slate-react/src/utils/get-html-from-native-paste.js
@@ -1,4 +1,3 @@
-
 import { findDOMNode } from 'react-dom'
 
 /**
diff --git a/packages/slate-react/src/utils/noop.js b/packages/slate-react/src/utils/noop.js
index 28e54f8bb..ba75f6129 100644
--- a/packages/slate-react/src/utils/noop.js
+++ b/packages/slate-react/src/utils/noop.js
@@ -1,4 +1,3 @@
-
 /**
  * Noop.
  *
diff --git a/packages/slate-react/src/utils/offset-key.js b/packages/slate-react/src/utils/offset-key.js
index 295fced7b..288dbf330 100644
--- a/packages/slate-react/src/utils/offset-key.js
+++ b/packages/slate-react/src/utils/offset-key.js
@@ -1,4 +1,3 @@
-
 /**
  * Offset key parser regex.
  *
@@ -21,10 +20,10 @@ function parse(string) {
     throw new Error(`Invalid offset key string "${string}".`)
   }
 
-  const [ original, key, index ] = matches // eslint-disable-line no-unused-vars
+  const [original, key, index] = matches // eslint-disable-line no-unused-vars
   return {
     key,
-    index: parseInt(index, 10)
+    index: parseInt(index, 10),
   }
 }
 
@@ -49,5 +48,5 @@ function stringify(object) {
 
 export default {
   parse,
-  stringify
+  stringify,
 }
diff --git a/packages/slate-react/src/utils/scroll-to-selection.js b/packages/slate-react/src/utils/scroll-to-selection.js
index 0825862e3..e8a265123 100644
--- a/packages/slate-react/src/utils/scroll-to-selection.js
+++ b/packages/slate-react/src/utils/scroll-to-selection.js
@@ -1,4 +1,3 @@
-
 import getWindow from 'get-window'
 import isBackward from 'selection-is-backward'
 import { IS_SAFARI, IS_IOS } from '../constants/environment'
@@ -9,11 +8,7 @@ import { IS_SAFARI, IS_IOS } from '../constants/environment'
  * @type {Array}
  */
 
-const OVERFLOWS = [
-  'auto',
-  'overlay',
-  'scroll',
-]
+const OVERFLOWS = ['auto', 'overlay', 'scroll']
 
 /**
  * Detect whether we are running IOS version 11
@@ -69,7 +64,9 @@ function scrollToSelection(selection) {
 
   const window = getWindow(selection.anchorNode)
   const scroller = findScrollContainer(selection.anchorNode, window)
-  const isWindow = scroller == window.document.body || scroller == window.document.documentElement
+  const isWindow =
+    scroller == window.document.body ||
+    scroller == window.document.documentElement
   const backward = isBackward(selection)
 
   const range = selection.getRangeAt(0).cloneRange()
@@ -136,8 +133,10 @@ function scrollToSelection(selection) {
     height = offsetHeight
     scrollerTop = scrollerRect.top + parseInt(borderTopWidth, 10)
     scrollerLeft = scrollerRect.left + parseInt(borderLeftWidth, 10)
-    scrollerBordersY = parseInt(borderTopWidth, 10) + parseInt(borderBottomWidth, 10)
-    scrollerBordersX = parseInt(borderLeftWidth, 10) + parseInt(borderRightWidth, 10)
+    scrollerBordersY =
+      parseInt(borderTopWidth, 10) + parseInt(borderBottomWidth, 10)
+    scrollerBordersX =
+      parseInt(borderLeftWidth, 10) + parseInt(borderRightWidth, 10)
     scrollerPaddingTop = parseInt(paddingTop, 10)
     scrollerPaddingBottom = parseInt(paddingBottom, 10)
     scrollerPaddingLeft = parseInt(paddingLeft, 10)
@@ -155,7 +154,10 @@ function scrollToSelection(selection) {
   if (cursorLeft < xOffset) {
     // selection to the left of viewport
     x = cursorLeft - scrollerPaddingLeft
-  } else if (cursorLeft + cursorRect.width + scrollerBordersX > xOffset + width) {
+  } else if (
+    cursorLeft + cursorRect.width + scrollerBordersX >
+    xOffset + width
+  ) {
     // selection to the right of viewport
     x = cursorLeft + scrollerBordersX + scrollerPaddingRight - width
   }
@@ -163,12 +165,19 @@ function scrollToSelection(selection) {
   if (cursorTop < yOffset) {
     // selection above viewport
     y = cursorTop - scrollerPaddingTop
-  } else if (cursorTop + cursorRect.height + scrollerBordersY > yOffset + height) {
+  } else if (
+    cursorTop + cursorRect.height + scrollerBordersY >
+    yOffset + height
+  ) {
     // selection below viewport
-    y = cursorTop + scrollerBordersY + scrollerPaddingBottom + cursorRect.height - height
+    y =
+      cursorTop +
+      scrollerBordersY +
+      scrollerPaddingBottom +
+      cursorRect.height -
+      height
   }
 
-
   if (isWindow) {
     window.scrollTo(x, y)
   } else {
diff --git a/packages/slate-react/src/utils/set-event-transfer.js b/packages/slate-react/src/utils/set-event-transfer.js
index b5f6cf42d..b48e581d9 100644
--- a/packages/slate-react/src/utils/set-event-transfer.js
+++ b/packages/slate-react/src/utils/set-event-transfer.js
@@ -1,4 +1,3 @@
-
 import TRANSFER_TYPES from '../constants/transfer-types'
 
 /**
@@ -45,12 +44,12 @@ function setEventTransfer(event, type, content) {
       try {
         obj = JSON.parse(text.substring(prefix.length))
       } catch (e) {
-        throw new Error('Failed to parse Slate data from `DataTransfer` object.')
+        throw new Error(
+          'Failed to parse Slate data from `DataTransfer` object.'
+        )
       }
-    }
-
-    // Otherwise, it's just set it as is.
-    else {
+    } else {
+      // Otherwise, it's just set it as is.
       obj[TEXT] = text
     }
 
diff --git a/packages/slate-react/test/helpers/clean.js b/packages/slate-react/test/helpers/clean.js
index f952ee423..6ee82e802 100644
--- a/packages/slate-react/test/helpers/clean.js
+++ b/packages/slate-react/test/helpers/clean.js
@@ -1,16 +1,12 @@
-
 import { JSDOM } from 'jsdom' // eslint-disable-line import/no-extraneous-dependencies
 
-const UNWANTED_ATTRS = [
-  'data-key',
-  'data-offset-key'
-]
+const UNWANTED_ATTRS = ['data-key', 'data-offset-key']
 
 const UNWANTED_TOP_LEVEL_ATTRS = [
   'autocorrect',
   'spellcheck',
   'style',
-  'data-gramm'
+  'data-gramm',
 ]
 
 /**
diff --git a/packages/slate-react/test/helpers/h.js b/packages/slate-react/test/helpers/h.js
index a126d5ebb..63c2dc01b 100644
--- a/packages/slate-react/test/helpers/h.js
+++ b/packages/slate-react/test/helpers/h.js
@@ -1,4 +1,3 @@
-
 import { createHyperscript } from 'slate-hyperscript'
 
 /**
@@ -16,7 +15,7 @@ const h = createHyperscript({
     image: {
       type: 'image',
       isVoid: true,
-    }
+    },
   },
   inlines: {
     link: 'link',
@@ -25,7 +24,7 @@ const h = createHyperscript({
     emoji: {
       type: 'emoji',
       isVoid: true,
-    }
+    },
   },
   marks: {
     b: 'bold',
diff --git a/packages/slate-react/test/index.js b/packages/slate-react/test/index.js
index cefa91a1b..38fa6d76d 100644
--- a/packages/slate-react/test/index.js
+++ b/packages/slate-react/test/index.js
@@ -1,4 +1,3 @@
-
 /**
  * Dependencies.
  */
diff --git a/packages/slate-react/test/plugins/core/on-blur/blur-selection.js b/packages/slate-react/test/plugins/core/on-blur/blur-selection.js
index 71d453b13..543310c7b 100644
--- a/packages/slate-react/test/plugins/core/on-blur/blur-selection.js
+++ b/packages/slate-react/test/plugins/core/on-blur/blur-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (simulator) {
+export default function(simulator) {
   simulator.blur()
 }
 
diff --git a/packages/slate-react/test/plugins/core/on-key-down/split-empty-block.js b/packages/slate-react/test/plugins/core/on-key-down/split-empty-block.js
index 4c99b3c3d..4193e16bd 100644
--- a/packages/slate-react/test/plugins/core/on-key-down/split-empty-block.js
+++ b/packages/slate-react/test/plugins/core/on-key-down/split-empty-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (simulator) {
+export default function(simulator) {
   simulator.keyDown({ key: 'Enter' })
 }
 
diff --git a/packages/slate-react/test/plugins/core/on-select/move-selection.js b/packages/slate-react/test/plugins/core/on-select/move-selection.js
index 7a409a62e..e8437c99c 100644
--- a/packages/slate-react/test/plugins/core/on-select/move-selection.js
+++ b/packages/slate-react/test/plugins/core/on-select/move-selection.js
@@ -3,10 +3,13 @@
 import h from '../../../helpers/h'
 import { Range } from 'slate'
 
-export default function (simulator) {
+export default function(simulator) {
   const { value } = simulator
   const text = value.document.getTexts().first()
-  const selection = Range.create().collapseToStartOf(text).move(1).focus()
+  const selection = Range.create()
+    .collapseToStartOf(text)
+    .move(1)
+    .focus()
   simulator.select(null, { selection })
 }
 
diff --git a/packages/slate-react/test/plugins/index.js b/packages/slate-react/test/plugins/index.js
index c66ce3146..847ef5c4d 100644
--- a/packages/slate-react/test/plugins/index.js
+++ b/packages/slate-react/test/plugins/index.js
@@ -1,4 +1,3 @@
-
 import AfterPlugin from '../../src/plugins/after'
 import BeforePlugin from '../../src/plugins/before'
 import Simulator from 'slate-simulator'
@@ -14,17 +13,22 @@ import { basename, extname, resolve } from 'path'
 describe('plugins', () => {
   describe.skip('core', () => {
     const dir = resolve(__dirname, 'core')
-    const events = fs.readdirSync(dir).filter(e => e[0] != '.' && e != 'index.js')
+    const events = fs
+      .readdirSync(dir)
+      .filter(e => e[0] != '.' && e != 'index.js')
 
     for (const event of events) {
       describe(`${toCamel(event)}`, () => {
         const testDir = resolve(dir, event)
-        const tests = fs.readdirSync(testDir).filter(t => t[0] != '.' && !!~t.indexOf('.js')).map(t => basename(t, extname(t)))
+        const tests = fs
+          .readdirSync(testDir)
+          .filter(t => t[0] != '.' && !!~t.indexOf('.js'))
+          .map(t => basename(t, extname(t)))
 
         for (const test of tests) {
           it(test, async () => {
             const module = require(resolve(testDir, test))
-            const { input, output, props = {}} = module
+            const { input, output, props = {} } = module
             const fn = module.default
             const plugins = [BeforePlugin(props), AfterPlugin(props)]
             const simulator = new Simulator({ plugins, value: input })
diff --git a/packages/slate-react/test/rendering/fixtures/custom-block-multiple.js b/packages/slate-react/test/rendering/fixtures/custom-block-multiple.js
index 2cc2cfdfb..b029884a2 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-block-multiple.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-block-multiple.js
@@ -4,16 +4,17 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Code(props) {
-  return (
-    React.createElement('pre', props.attributes,
-      React.createElement('code', {}, props.children)
-    )
+  return React.createElement(
+    'pre',
+    props.attributes,
+    React.createElement('code', {}, props.children)
   )
 }
 
 function renderNode(props) {
   switch (props.node.type) {
-    case 'code': return Code(props)
+    case 'code':
+      return Code(props)
   }
 }
 
@@ -24,15 +25,9 @@ export const props = {
 export const value = (
   <value>
     <document>
-      <code>
-        word
-      </code>
-      <code>
-        word
-      </code>
-      <code>
-        word
-      </code>
+      <code>word</code>
+      <code>word</code>
+      <code>word</code>
     </document>
   </value>
 )
diff --git a/packages/slate-react/test/rendering/fixtures/custom-block-void.js b/packages/slate-react/test/rendering/fixtures/custom-block-void.js
index a8cdd73f4..6b70cfd77 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-block-void.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-block-void.js
@@ -4,14 +4,16 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Image(props) {
-  return (
-    React.createElement('img', { src: props.node.data.get('src'), ...props.attributes })
-  )
+  return React.createElement('img', {
+    src: props.node.data.get('src'),
+    ...props.attributes,
+  })
 }
 
 function renderNode(props) {
   switch (props.node.type) {
-    case 'image': return Image(props)
+    case 'image':
+      return Image(props)
   }
 }
 
diff --git a/packages/slate-react/test/rendering/fixtures/custom-block.js b/packages/slate-react/test/rendering/fixtures/custom-block.js
index 9050cf5ee..ab03fcaa9 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-block.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-block.js
@@ -4,27 +4,26 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Code(props) {
-  return (
-    React.createElement('pre', props.attributes,
-      React.createElement('code', {}, props.children)
-    )
+  return React.createElement(
+    'pre',
+    props.attributes,
+    React.createElement('code', {}, props.children)
   )
 }
 
 export const props = {
   renderNode(p) {
     switch (p.node.type) {
-      case 'code': return Code(p)
+      case 'code':
+        return Code(p)
     }
-  }
+  },
 }
 
 export const value = (
   <value>
     <document>
-      <code>
-        word
-      </code>
+      <code>word</code>
     </document>
   </value>
 )
diff --git a/packages/slate-react/test/rendering/fixtures/custom-decorator.js b/packages/slate-react/test/rendering/fixtures/custom-decorator.js
index ab57834fb..39c003267 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-decorator.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-decorator.js
@@ -5,13 +5,15 @@ import h from '../../helpers/h'
 
 function decorateNode(block) {
   const text = block.getFirstText()
-  return [{
-    anchorKey: text.key,
-    anchorOffset: 1,
-    focusKey: text.key,
-    focusOffset: 2,
-    marks: [{ type: 'bold' }]
-  }]
+  return [
+    {
+      anchorKey: text.key,
+      anchorOffset: 1,
+      focusKey: text.key,
+      focusOffset: 2,
+      marks: [{ type: 'bold' }],
+    },
+  ]
 }
 
 function Bold(props) {
@@ -20,7 +22,8 @@ function Bold(props) {
 
 function renderMark(props) {
   switch (props.mark.type) {
-    case 'bold': return Bold(props)
+    case 'bold':
+      return Bold(props)
   }
 }
 
@@ -32,9 +35,7 @@ export const props = {
 export const value = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-react/test/rendering/fixtures/custom-inline-multiple.js b/packages/slate-react/test/rendering/fixtures/custom-inline-multiple.js
index 898a8e122..57ae30128 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-inline-multiple.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-inline-multiple.js
@@ -4,14 +4,17 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Link(props) {
-  return (
-    React.createElement('a', { href: props.node.data.get('href'), ...props.attributes }, props.children)
+  return React.createElement(
+    'a',
+    { href: props.node.data.get('href'), ...props.attributes },
+    props.children
   )
 }
 
 function renderNode(props) {
   switch (props.node.type) {
-    case 'link': return Link(props)
+    case 'link':
+      return Link(props)
   }
 }
 
@@ -23,15 +26,9 @@ export const value = (
   <value>
     <document>
       <paragraph>
-        <link href="https://google.com">
-          word
-        </link>
-        <link href="https://google.com">
-          word
-        </link>
-        <link href="https://google.com">
-          word
-        </link>
+        <link href="https://google.com">word</link>
+        <link href="https://google.com">word</link>
+        <link href="https://google.com">word</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-react/test/rendering/fixtures/custom-inline-void.js b/packages/slate-react/test/rendering/fixtures/custom-inline-void.js
index 293a03dde..7b36e0b18 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-inline-void.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-inline-void.js
@@ -4,14 +4,13 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Emoji(props) {
-  return (
-    React.createElement('img', props.attributes)
-  )
+  return React.createElement('img', props.attributes)
 }
 
 function renderNode(props) {
   switch (props.node.type) {
-    case 'emoji': return Emoji(props)
+    case 'emoji':
+      return Emoji(props)
   }
 }
 
diff --git a/packages/slate-react/test/rendering/fixtures/custom-inline.js b/packages/slate-react/test/rendering/fixtures/custom-inline.js
index cf63155b0..e35458dbe 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-inline.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-inline.js
@@ -4,14 +4,17 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Link(props) {
-  return (
-    React.createElement('a', { href: props.node.data.get('href'), ...props.attributes }, props.children)
+  return React.createElement(
+    'a',
+    { href: props.node.data.get('href'), ...props.attributes },
+    props.children
   )
 }
 
 function renderNode(props) {
   switch (props.node.type) {
-    case 'link': return Link(props)
+    case 'link':
+      return Link(props)
   }
 }
 
@@ -23,9 +26,7 @@ export const value = (
   <value>
     <document>
       <paragraph>
-        <link href="https://google.com">
-          word
-        </link>
+        <link href="https://google.com">word</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-react/test/rendering/fixtures/custom-mark.js b/packages/slate-react/test/rendering/fixtures/custom-mark.js
index 393b6d5ac..c76464a9c 100644
--- a/packages/slate-react/test/rendering/fixtures/custom-mark.js
+++ b/packages/slate-react/test/rendering/fixtures/custom-mark.js
@@ -9,7 +9,8 @@ function Bold(props) {
 
 function renderMark(props) {
   switch (props.mark.type) {
-    case 'bold': return Bold(props)
+    case 'bold':
+      return Bold(props)
   }
 }
 
diff --git a/packages/slate-react/test/rendering/fixtures/default-block-with-inline.js b/packages/slate-react/test/rendering/fixtures/default-block-with-inline.js
index 41b305f7c..ad33b8cef 100644
--- a/packages/slate-react/test/rendering/fixtures/default-block-with-inline.js
+++ b/packages/slate-react/test/rendering/fixtures/default-block-with-inline.js
@@ -8,9 +8,7 @@ export const value = (
   <value>
     <document>
       <paragraph>
-        <link>
-          word
-        </link>
+        <link>word</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate-react/test/rendering/fixtures/default-block.js b/packages/slate-react/test/rendering/fixtures/default-block.js
index a475aec3d..23bc78423 100644
--- a/packages/slate-react/test/rendering/fixtures/default-block.js
+++ b/packages/slate-react/test/rendering/fixtures/default-block.js
@@ -7,9 +7,7 @@ export const props = {}
 export const value = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-react/test/rendering/fixtures/nested-text-direction.js b/packages/slate-react/test/rendering/fixtures/nested-text-direction.js
index 3d49eca19..293685353 100644
--- a/packages/slate-react/test/rendering/fixtures/nested-text-direction.js
+++ b/packages/slate-react/test/rendering/fixtures/nested-text-direction.js
@@ -8,12 +8,8 @@ export const value = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          مرحبا بالعالم
-        </paragraph>
-        <paragraph>
-          שלום עולם
-        </paragraph>
+        <paragraph>مرحبا بالعالم</paragraph>
+        <paragraph>שלום עולם</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate-react/test/rendering/fixtures/readonly-custom-block-void.js b/packages/slate-react/test/rendering/fixtures/readonly-custom-block-void.js
index aab9478a4..7babef31c 100644
--- a/packages/slate-react/test/rendering/fixtures/readonly-custom-block-void.js
+++ b/packages/slate-react/test/rendering/fixtures/readonly-custom-block-void.js
@@ -4,12 +4,16 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Image(props) {
-  return React.createElement('img', { src: props.node.data.get('src'), ...props.attributes })
+  return React.createElement('img', {
+    src: props.node.data.get('src'),
+    ...props.attributes,
+  })
 }
 
 function renderNode(props) {
   switch (props.node.type) {
-    case 'image': return Image(props)
+    case 'image':
+      return Image(props)
   }
 }
 
diff --git a/packages/slate-react/test/rendering/fixtures/readonly-custom-inline-void.js b/packages/slate-react/test/rendering/fixtures/readonly-custom-inline-void.js
index f798b1221..13cbaf971 100644
--- a/packages/slate-react/test/rendering/fixtures/readonly-custom-inline-void.js
+++ b/packages/slate-react/test/rendering/fixtures/readonly-custom-inline-void.js
@@ -4,14 +4,13 @@ import React from 'react'
 import h from '../../helpers/h'
 
 function Emoji(props) {
-  return (
-    React.createElement('img', props.attributes)
-  )
+  return React.createElement('img', props.attributes)
 }
 
 function renderNode(props) {
   switch (props.node.type) {
-    case 'emoji': return Emoji(props)
+    case 'emoji':
+      return Emoji(props)
   }
 }
 
diff --git a/packages/slate-react/test/rendering/fixtures/text-direction.js b/packages/slate-react/test/rendering/fixtures/text-direction.js
index 1a3e8ae07..473fbc3e0 100644
--- a/packages/slate-react/test/rendering/fixtures/text-direction.js
+++ b/packages/slate-react/test/rendering/fixtures/text-direction.js
@@ -7,15 +7,9 @@ export const props = {}
 export const value = (
   <value>
     <document>
-      <paragraph>
-        Hello, world!
-      </paragraph>
-      <paragraph>
-        مرحبا بالعالم
-      </paragraph>
-      <paragraph>
-        שלום עולם
-      </paragraph>
+      <paragraph>Hello, world!</paragraph>
+      <paragraph>مرحبا بالعالم</paragraph>
+      <paragraph>שלום עולם</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate-react/test/rendering/index.js b/packages/slate-react/test/rendering/index.js
index c56db17ac..3d7d8cb68 100644
--- a/packages/slate-react/test/rendering/index.js
+++ b/packages/slate-react/test/rendering/index.js
@@ -1,4 +1,3 @@
-
 import React from 'react'
 import ReactDOM from 'react-dom/server'
 import assert from 'assert'
@@ -14,7 +13,10 @@ import { basename, extname, resolve } from 'path'
 
 describe('rendering', () => {
   const dir = resolve(__dirname, './fixtures')
-  const tests = fs.readdirSync(dir).filter(t => t[0] != '.' && !!~t.indexOf('.js')).map(t => basename(t, extname(t)))
+  const tests = fs
+    .readdirSync(dir)
+    .filter(t => t[0] != '.' && !!~t.indexOf('.js'))
+    .map(t => basename(t, extname(t)))
 
   for (const test of tests) {
     it(test, async () => {
diff --git a/packages/slate-schema-violations/src/index.js b/packages/slate-schema-violations/src/index.js
index ba2350deb..c64f6cf6e 100644
--- a/packages/slate-schema-violations/src/index.js
+++ b/packages/slate-schema-violations/src/index.js
@@ -1,4 +1,3 @@
-
 /**
  * Schema violations.
  *
diff --git a/packages/slate-simulator/src/index.js b/packages/slate-simulator/src/index.js
index 4d6e7d6ce..9c3f0cae0 100644
--- a/packages/slate-simulator/src/index.js
+++ b/packages/slate-simulator/src/index.js
@@ -1,4 +1,3 @@
-
 import { Stack } from 'slate'
 
 /**
@@ -26,7 +25,6 @@ const EVENT_HANDLERS = [
  */
 
 class Simulator {
-
   /**
    * Create a new `Simulator` with `plugins` and an initial `value`.
    *
@@ -40,17 +38,16 @@ class Simulator {
     this.stack = stack
     this.value = value
   }
-
 }
 
 /**
  * Generate the event simulators.
  */
 
-EVENT_HANDLERS.forEach((handler) => {
+EVENT_HANDLERS.forEach(handler => {
   const method = getMethodName(handler)
 
-  Simulator.prototype[method] = function (e) {
+  Simulator.prototype[method] = function(e) {
     if (e == null) e = {}
 
     const { stack, value } = this
@@ -95,7 +92,6 @@ function createEditor({ stack, value, props }) {
       readOnly: false,
       spellCheck: true,
       ...props,
-
     },
   }
 
@@ -111,8 +107,8 @@ function createEditor({ stack, value, props }) {
 
 function createEvent(attributes) {
   const event = {
-    preventDefault: () => event.isDefaultPrevented = true,
-    stopPropagation: () => event.isPropagationStopped = true,
+    preventDefault: () => (event.isDefaultPrevented = true),
+    stopPropagation: () => (event.isPropagationStopped = true),
     isDefaultPrevented: false,
     isPropagationStopped: false,
     ...attributes,
diff --git a/packages/slate/benchmark/changes/delete-backward.js b/packages/slate/benchmark/changes/delete-backward.js
index 4b68246fb..5a698882c 100644
--- a/packages/slate/benchmark/changes/delete-backward.js
+++ b/packages/slate/benchmark/changes/delete-backward.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -19,7 +19,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
               {i == 0 ? <cursor /> : ''}
             </paragraph>
           </paragraph>
diff --git a/packages/slate/benchmark/changes/delete-forward.js b/packages/slate/benchmark/changes/delete-forward.js
index 64a39a45b..a5fe3e995 100644
--- a/packages/slate/benchmark/changes/delete-forward.js
+++ b/packages/slate/benchmark/changes/delete-forward.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
@@ -19,7 +19,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
               {i == 0 ? <cursor /> : ''}
             </paragraph>
           </paragraph>
diff --git a/packages/slate/benchmark/changes/insert-text-by-key-multiple.js b/packages/slate/benchmark/changes/insert-text-by-key-multiple.js
index 5a6dd563e..76ce1da63 100644
--- a/packages/slate/benchmark/changes/insert-text-by-key-multiple.js
+++ b/packages/slate/benchmark/changes/insert-text-by-key-multiple.js
@@ -4,7 +4,7 @@
 import h from '../../test/helpers/h'
 import { __clear } from '../../lib/utils/memoize'
 
-export default function ({ change, keys }) {
+export default function({ change, keys }) {
   for (const key of keys) {
     change.insertTextByKey(key, 0, 'a')
   }
@@ -12,7 +12,10 @@ export default function ({ change, keys }) {
 
 export function before(value) {
   const change = value.change()
-  const keys = value.document.getTexts().toArray().map(t => t.key)
+  const keys = value.document
+    .getTexts()
+    .toArray()
+    .map(t => t.key)
   __clear()
   return { change, keys }
 }
@@ -24,7 +27,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
               {i == 0 ? <cursor /> : ''}
             </paragraph>
           </paragraph>
diff --git a/packages/slate/benchmark/changes/insert-text-by-key.js b/packages/slate/benchmark/changes/insert-text-by-key.js
index 906f7da14..5ddb79af6 100644
--- a/packages/slate/benchmark/changes/insert-text-by-key.js
+++ b/packages/slate/benchmark/changes/insert-text-by-key.js
@@ -4,7 +4,7 @@
 import h from '../../test/helpers/h'
 import { __clear } from '../../lib/utils/memoize'
 
-export default function ({ change, text }) {
+export default function({ change, text }) {
   change.insertTextByKey(text.key, 0, 'a')
 }
 
@@ -22,7 +22,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
               {i == 0 ? <cursor /> : ''}
             </paragraph>
           </paragraph>
diff --git a/packages/slate/benchmark/changes/insert-text.js b/packages/slate/benchmark/changes/insert-text.js
index 62bc8f1ff..66e3ea0f8 100644
--- a/packages/slate/benchmark/changes/insert-text.js
+++ b/packages/slate/benchmark/changes/insert-text.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
@@ -19,7 +19,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
               {i == 0 ? <cursor /> : ''}
             </paragraph>
           </paragraph>
diff --git a/packages/slate/benchmark/changes/normalize.js b/packages/slate/benchmark/changes/normalize.js
index a2841b556..2497fee16 100644
--- a/packages/slate/benchmark/changes/normalize.js
+++ b/packages/slate/benchmark/changes/normalize.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.normalize()
 }
 
@@ -18,7 +18,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
               {i == 0 ? <cursor /> : ''}
             </paragraph>
           </paragraph>
diff --git a/packages/slate/benchmark/changes/split-block.js b/packages/slate/benchmark/changes/split-block.js
index bc9701d97..060568690 100644
--- a/packages/slate/benchmark/changes/split-block.js
+++ b/packages/slate/benchmark/changes/split-block.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -19,7 +19,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
               {i == 0 ? <cursor /> : ''}
             </paragraph>
           </paragraph>
diff --git a/packages/slate/benchmark/index.js b/packages/slate/benchmark/index.js
index 3b6eb11e5..ceafa34d6 100644
--- a/packages/slate/benchmark/index.js
+++ b/packages/slate/benchmark/index.js
@@ -9,9 +9,11 @@ import { __clear } from '../lib/utils/memoize'
  */
 
 const categoryDir = resolve(__dirname)
-const categories = fs.readdirSync(categoryDir).filter(c => c[0] != '.' && c != 'index.js')
+const categories = fs
+  .readdirSync(categoryDir)
+  .filter(c => c[0] != '.' && c != 'index.js')
 
-categories.forEach((category) => {
+categories.forEach(category => {
   suite(category, () => {
     set('iterations', 100)
     set('mintime', 1000)
@@ -23,9 +25,12 @@ categories.forEach((category) => {
     }
 
     const benchmarkDir = resolve(categoryDir, category)
-    const benchmarks = fs.readdirSync(benchmarkDir).filter(b => b[0] != '.' && !!~b.indexOf('.js')).map(b => basename(b, extname(b)))
+    const benchmarks = fs
+      .readdirSync(benchmarkDir)
+      .filter(b => b[0] != '.' && !!~b.indexOf('.js'))
+      .map(b => basename(b, extname(b)))
 
-    benchmarks.forEach((benchmark) => {
+    benchmarks.forEach(benchmark => {
       const dir = resolve(benchmarkDir, benchmark)
       const module = require(dir)
       const fn = module.default
diff --git a/packages/slate/benchmark/models/from-json.js b/packages/slate/benchmark/models/from-json.js
index 6b4ca1abc..661773253 100644
--- a/packages/slate/benchmark/models/from-json.js
+++ b/packages/slate/benchmark/models/from-json.js
@@ -2,7 +2,7 @@
 
 import { Value } from '../..'
 
-export default function (json) {
+export default function(json) {
   Value.fromJSON(json)
 }
 
@@ -35,12 +35,12 @@ export const input = {
                 },
                 {
                   text: ' better than a textarea!',
-                }
-              ]
-            }
-          ]
-        }
-      ]
-    }))
-  }
+                },
+              ],
+            },
+          ],
+        },
+      ],
+    })),
+  },
 }
diff --git a/packages/slate/benchmark/models/get-blocks-at-range.js b/packages/slate/benchmark/models/get-blocks-at-range.js
index 60522007b..d07561873 100644
--- a/packages/slate/benchmark/models/get-blocks-at-range.js
+++ b/packages/slate/benchmark/models/get-blocks-at-range.js
@@ -3,15 +3,12 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getBlocksAtRange(value.selection)
 }
 
 export function before(value) {
-  return value
-    .change()
-    .selectAll()
-    .value
+  return value.change().selectAll().value
 }
 
 export const input = (
@@ -21,7 +18,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-blocks.js b/packages/slate/benchmark/models/get-blocks.js
index d0f00e696..dfe4ddfe1 100644
--- a/packages/slate/benchmark/models/get-blocks.js
+++ b/packages/slate/benchmark/models/get-blocks.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getBlocks()
 }
 
@@ -14,7 +14,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-characters-at-range.js b/packages/slate/benchmark/models/get-characters-at-range.js
index b88eefdaa..4c34adae7 100644
--- a/packages/slate/benchmark/models/get-characters-at-range.js
+++ b/packages/slate/benchmark/models/get-characters-at-range.js
@@ -3,15 +3,12 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getCharactersAtRange(value.selection)
 }
 
 export function before(value) {
-  return value
-    .change()
-    .selectAll()
-    .value
+  return value.change().selectAll().value
 }
 
 export const input = (
@@ -21,7 +18,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-characters.js b/packages/slate/benchmark/models/get-characters.js
index a11ec727d..6e194313a 100644
--- a/packages/slate/benchmark/models/get-characters.js
+++ b/packages/slate/benchmark/models/get-characters.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getCharacters()
 }
 
@@ -14,7 +14,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-inlines-at-range.js b/packages/slate/benchmark/models/get-inlines-at-range.js
index 82e7b1eb6..b31dfe4a8 100644
--- a/packages/slate/benchmark/models/get-inlines-at-range.js
+++ b/packages/slate/benchmark/models/get-inlines-at-range.js
@@ -3,15 +3,12 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getInlinesAtRange(value.selection)
 }
 
 export function before(value) {
-  return value
-    .change()
-    .selectAll()
-    .value
+  return value.change().selectAll().value
 }
 
 export const input = (
@@ -21,7 +18,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-inlines.js b/packages/slate/benchmark/models/get-inlines.js
index e57be4961..cef280292 100644
--- a/packages/slate/benchmark/models/get-inlines.js
+++ b/packages/slate/benchmark/models/get-inlines.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getInlines()
 }
 
@@ -14,7 +14,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-leaves.js b/packages/slate/benchmark/models/get-leaves.js
index 42340e408..cb1db3787 100644
--- a/packages/slate/benchmark/models/get-leaves.js
+++ b/packages/slate/benchmark/models/get-leaves.js
@@ -4,7 +4,7 @@
 import h from '../../test/helpers/h'
 import { __clear } from '../../lib/utils/memoize'
 
-export default function (text) {
+export default function(text) {
   text.getLeaves()
 }
 
@@ -21,7 +21,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-marks-at-range.js b/packages/slate/benchmark/models/get-marks-at-range.js
index af89a824b..701d58d84 100644
--- a/packages/slate/benchmark/models/get-marks-at-range.js
+++ b/packages/slate/benchmark/models/get-marks-at-range.js
@@ -3,15 +3,12 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getMarksAtRange(value.selection)
 }
 
 export function before(value) {
-  return value
-    .change()
-    .selectAll()
-    .value
+  return value.change().selectAll().value
 }
 
 export const input = (
@@ -21,7 +18,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-marks.js b/packages/slate/benchmark/models/get-marks.js
index c18bcfa71..99fa6e0d8 100644
--- a/packages/slate/benchmark/models/get-marks.js
+++ b/packages/slate/benchmark/models/get-marks.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getMarks()
 }
 
@@ -14,7 +14,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-path.js b/packages/slate/benchmark/models/get-path.js
index 8328c0f06..fa260a20f 100644
--- a/packages/slate/benchmark/models/get-path.js
+++ b/packages/slate/benchmark/models/get-path.js
@@ -4,7 +4,7 @@
 import h from '../../test/helpers/h'
 import { __clear } from '../../lib/utils/memoize'
 
-export default function ({ value, text }) {
+export default function({ value, text }) {
   value.document.getPath(text.key)
 }
 
@@ -21,7 +21,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-texts-at-range.js b/packages/slate/benchmark/models/get-texts-at-range.js
index 2244c37a6..250c600f1 100644
--- a/packages/slate/benchmark/models/get-texts-at-range.js
+++ b/packages/slate/benchmark/models/get-texts-at-range.js
@@ -3,15 +3,12 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getTextsAtRange(value.selection)
 }
 
 export function before(value) {
-  return value
-    .change()
-    .selectAll()
-    .value
+  return value.change().selectAll().value
 }
 
 export const input = (
@@ -21,7 +18,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/get-texts.js b/packages/slate/benchmark/models/get-texts.js
index 4b8a748c1..ead94832e 100644
--- a/packages/slate/benchmark/models/get-texts.js
+++ b/packages/slate/benchmark/models/get-texts.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.document.getTexts()
 }
 
@@ -14,7 +14,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/has-node-multiple.js b/packages/slate/benchmark/models/has-node-multiple.js
index bae49bc48..56f2432db 100644
--- a/packages/slate/benchmark/models/has-node-multiple.js
+++ b/packages/slate/benchmark/models/has-node-multiple.js
@@ -4,14 +4,17 @@
 import h from '../../test/helpers/h'
 import { __clear } from '../../lib/utils/memoize'
 
-export default function ({ value, keys }) {
-  keys.forEach((key) => {
+export default function({ value, keys }) {
+  keys.forEach(key => {
     value.document.hasNode(key)
   })
 }
 
 export function before(value) {
-  const keys = value.document.getTexts().toArray().map(t => t.key)
+  const keys = value.document
+    .getTexts()
+    .toArray()
+    .map(t => t.key)
   __clear()
   return { value, keys }
 }
@@ -23,7 +26,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/has-node.js b/packages/slate/benchmark/models/has-node.js
index 79e48b9f3..bb616d4d5 100644
--- a/packages/slate/benchmark/models/has-node.js
+++ b/packages/slate/benchmark/models/has-node.js
@@ -4,7 +4,7 @@
 import h from '../../test/helpers/h'
 import { __clear } from '../../lib/utils/memoize'
 
-export default function ({ value, text }) {
+export default function({ value, text }) {
   value.document.hasNode(text.key)
 }
 
@@ -21,7 +21,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/to-json.js b/packages/slate/benchmark/models/to-json.js
index 74347f1bc..9a3b05e70 100644
--- a/packages/slate/benchmark/models/to-json.js
+++ b/packages/slate/benchmark/models/to-json.js
@@ -3,7 +3,7 @@
 
 import h from '../../test/helpers/h'
 
-export default function (value) {
+export default function(value) {
   value.toJSON()
 }
 
@@ -14,7 +14,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/benchmark/models/update-node.js b/packages/slate/benchmark/models/update-node.js
index 6861f4944..a4022ebf6 100644
--- a/packages/slate/benchmark/models/update-node.js
+++ b/packages/slate/benchmark/models/update-node.js
@@ -4,7 +4,7 @@
 import h from '../../test/helpers/h'
 import { __clear } from '../../lib/utils/memoize'
 
-export default function ({ value, next }) {
+export default function({ value, next }) {
   value.document.updateNode(next)
 }
 
@@ -24,7 +24,8 @@ export const input = (
         <quote>
           <paragraph>
             <paragraph>
-              This is editable <b>rich</b> text, <i>much</i> better than a textarea!
+              This is editable <b>rich</b> text, <i>much</i> better than a
+              textarea!
             </paragraph>
           </paragraph>
         </quote>
diff --git a/packages/slate/src/changes/at-current-range.js b/packages/slate/src/changes/at-current-range.js
index 5776ff520..e3c0dafcf 100644
--- a/packages/slate/src/changes/at-current-range.js
+++ b/packages/slate/src/changes/at-current-range.js
@@ -1,4 +1,3 @@
-
 import Block from '../models/block'
 import Inline from '../models/inline'
 import Mark from '../models/mark'
@@ -34,7 +33,7 @@ const PROXY_TRANSFORMS = [
   'wrapInline',
 ]
 
-PROXY_TRANSFORMS.forEach((method) => {
+PROXY_TRANSFORMS.forEach(method => {
   Changes[method] = (change, ...args) => {
     const { value } = change
     const { selection } = value
@@ -57,15 +56,11 @@ Changes.addMark = (change, mark) => {
 
   if (selection.isExpanded) {
     change.addMarkAtRange(selection, mark)
-  }
-
-  else if (selection.marks) {
+  } else if (selection.marks) {
     const marks = selection.marks.add(mark)
     const sel = selection.set('marks', marks)
     change.select(sel)
-  }
-
-  else {
+  } else {
     const marks = document.getActiveMarksAtRange(selection).add(mark)
     const sel = selection.set('marks', marks)
     change.select(sel)
@@ -89,7 +84,7 @@ Changes.addMarks = (change, marks) => {
  * @param {Change} change
  */
 
-Changes.delete = (change) => {
+Changes.delete = change => {
   const { value } = change
   const { selection } = value
   change.deleteAtRange(selection)
@@ -134,11 +129,10 @@ Changes.insertFragment = (change, fragment) => {
   const lastText = fragment.getLastText()
   const lastInline = fragment.getClosestInline(lastText.key)
   const keys = document.getTexts().map(text => text.key)
-  const isAppending = (
+  const isAppending =
     !startInline ||
     selection.hasEdgeAtStartOf(startText) ||
     selection.hasEdgeAtEndOf(endText)
-  )
 
   change.insertFragmentAtRange(selection, fragment)
   value = change.value
@@ -149,13 +143,11 @@ Changes.insertFragment = (change, fragment) => {
 
   if (newText && lastInline) {
     change.select(selection.collapseToEndOf(newText))
-  }
-
-  else if (newText) {
-    change.select(selection.collapseToStartOf(newText).move(lastText.text.length))
-  }
-
-  else {
+  } else if (newText) {
+    change.select(
+      selection.collapseToStartOf(newText).move(lastText.text.length)
+    )
+  } else {
     change.select(selection.collapseToStart().move(lastText.text.length))
   }
 }
@@ -209,9 +201,7 @@ Changes.insertText = (change, text, marks) => {
 Changes.splitBlock = (change, depth = 1) => {
   const { value } = change
   const { selection } = value
-  change
-    .splitBlockAtRange(selection, depth)
-    .collapseToEnd()
+  change.splitBlockAtRange(selection, depth).collapseToEnd()
 }
 
 /**
@@ -228,15 +218,11 @@ Changes.removeMark = (change, mark) => {
 
   if (selection.isExpanded) {
     change.removeMarkAtRange(selection, mark)
-  }
-
-  else if (selection.marks) {
+  } else if (selection.marks) {
     const marks = selection.marks.remove(mark)
     const sel = selection.set('marks', marks)
     change.select(sel)
-  }
-
-  else {
+  } else {
     const marks = document.getActiveMarksAtRange(selection).remove(mark)
     const sel = selection.set('marks', marks)
     change.select(sel)
diff --git a/packages/slate/src/changes/at-range.js b/packages/slate/src/changes/at-range.js
index 3f6e18105..c40161a43 100644
--- a/packages/slate/src/changes/at-range.js
+++ b/packages/slate/src/changes/at-range.js
@@ -1,4 +1,3 @@
-
 import { List } from 'immutable'
 
 import Block from '../models/block'
@@ -34,7 +33,7 @@ Changes.addMarkAtRange = (change, range, mark, options = {}) => {
   const { startKey, startOffset, endKey, endOffset } = range
   const texts = document.getTextsAtRange(range)
 
-  texts.forEach((node) => {
+  texts.forEach(node => {
     const { key } = node
     let index = 0
     let length = node.text.length
@@ -89,13 +88,12 @@ Changes.deleteAtRange = (change, range, options = {}) => {
   // Check if we have a "hanging" selection case where the even though the
   // selection extends into the start of the end node, we actually want to
   // ignore that for UX reasons.
-  const isHanging = (
+  const isHanging =
     startOffset == 0 &&
     endOffset == 0 &&
     isStartVoid == false &&
     startKey == startBlock.getFirstText().key &&
     endKey == endBlock.getFirstText().key
-  )
 
   // If it's a hanging selection, nudge it back to end in the previous text.
   if (isHanging && isEndVoid) {
@@ -146,22 +144,18 @@ Changes.deleteAtRange = (change, range, options = {}) => {
   if (startKey == endKey && isHanging) {
     change.removeNodeByKey(startBlock.key, { normalize })
     return
-  }
-
-  // Otherwise, if it wasn't hanging, we're inside a single text node, so we can
-  // simply remove the text in the range.
-  else if (startKey == endKey) {
+  } else if (startKey == endKey) {
+    // Otherwise, if it wasn't hanging, we're inside a single text node, so we can
+    // simply remove the text in the range.
     const index = startOffset
     const length = endOffset - startOffset
     change.removeTextByKey(startKey, index, length, { normalize })
     return
-  }
-
-  // Otherwise, we need to recursively remove text and nodes inside the start
-  // block after the start offset and inside the end block before the end
-  // offset. Then remove any blocks that are in between the start and end
-  // blocks. Then finally merge the start and end nodes.
-  else {
+  } else {
+    // Otherwise, we need to recursively remove text and nodes inside the start
+    // block after the start offset and inside the end block before the end
+    // offset. Then remove any blocks that are in between the start and end
+    // blocks. Then finally merge the start and end nodes.
     startBlock = document.getClosestBlock(startKey)
     endBlock = document.getClosestBlock(endKey)
     const startText = document.getNode(startKey)
@@ -188,7 +182,7 @@ Changes.deleteAtRange = (change, range, options = {}) => {
       const index = parent.nodes.indexOf(child)
       const afters = parent.nodes.slice(index + 1)
 
-      afters.reverse().forEach((node) => {
+      afters.reverse().forEach(node => {
         change.removeNodeByKey(node.key, { normalize: false })
       })
 
@@ -200,7 +194,7 @@ Changes.deleteAtRange = (change, range, options = {}) => {
     const endChildIndex = ancestor.nodes.indexOf(endChild)
     const middles = ancestor.nodes.slice(startChildIndex + 1, endChildIndex)
 
-    middles.reverse().forEach((node) => {
+    middles.reverse().forEach(node => {
       change.removeNodeByKey(node.key, { normalize: false })
     })
 
@@ -212,7 +206,7 @@ Changes.deleteAtRange = (change, range, options = {}) => {
       const index = parent.nodes.indexOf(child)
       const befores = parent.nodes.slice(0, index)
 
-      befores.reverse().forEach((node) => {
+      befores.reverse().forEach(node => {
         change.removeNodeByKey(node.key, { normalize: false })
       })
 
@@ -221,7 +215,9 @@ Changes.deleteAtRange = (change, range, options = {}) => {
 
     // Remove any overlapping text content from the leaf text nodes.
     if (startLength != 0) {
-      change.removeTextByKey(startKey, startOffset, startLength, { normalize: false })
+      change.removeTextByKey(startKey, startOffset, startLength, {
+        normalize: false,
+      })
     }
 
     if (endLength != 0) {
@@ -236,7 +232,12 @@ Changes.deleteAtRange = (change, range, options = {}) => {
 
       // Move the end block to be right after the start block.
       if (endParentIndex != startParentIndex + 1) {
-        change.moveNodeByKey(endBlock.key, startParent.key, startParentIndex + 1, { normalize: false })
+        change.moveNodeByKey(
+          endBlock.key,
+          startParent.key,
+          startParentIndex + 1,
+          { normalize: false }
+        )
       }
 
       // If the selection is hanging, just remove the start block, otherwise
@@ -296,11 +297,10 @@ Changes.deleteLineBackwardAtRange = (change, range, options) => {
   const { startKey, startOffset } = range
   const startBlock = document.getClosestBlock(startKey)
   const offset = startBlock.getOffset(startKey)
-  const startWithVoidInline = (
+  const startWithVoidInline =
     startBlock.nodes.size > 1 &&
     startBlock.nodes.get(0).text == '' &&
     startBlock.nodes.get(1).object == 'inline'
-  )
 
   let o = offset + startOffset
 
@@ -458,7 +458,7 @@ Changes.deleteBackwardAtRange = (change, range, n = 1, options = {}) => {
   range = range.merge({
     focusKey: node.key,
     focusOffset: offset,
-    isBackward: true
+    isBackward: true,
   })
 
   change.deleteAtRange(range, { normalize })
@@ -602,7 +602,7 @@ Changes.deleteForwardAtRange = (change, range, n = 1, options = {}) => {
     if (n == 1 && nextBlock != block) {
       range = range.merge({
         focusKey: next.key,
-        focusOffset: 0
+        focusOffset: 0,
       })
 
       change.deleteAtRange(range, { normalize })
@@ -613,9 +613,9 @@ Changes.deleteForwardAtRange = (change, range, n = 1, options = {}) => {
   // If the remaining characters to the end of the node is greater than or equal
   // to the number of characters to delete, just remove the characters forwards
   // inside the current node.
-  if (n <= (text.text.length - focusOffset)) {
+  if (n <= text.text.length - focusOffset) {
     range = range.merge({
-      focusOffset: focusOffset + n
+      focusOffset: focusOffset + n,
     })
 
     change.deleteAtRange(range, { normalize })
@@ -682,22 +682,16 @@ Changes.insertBlockAtRange = (change, range, block, options = {}) => {
   if (startBlock.isVoid) {
     const extra = range.isAtEndOf(startBlock) ? 1 : 0
     change.insertNodeByKey(parent.key, index + extra, block, { normalize })
-  }
-
-  else if (startBlock.isEmpty) {
+  } else if (startBlock.isEmpty) {
     change.insertNodeByKey(parent.key, index + 1, block, { normalize })
-  }
-
-  else if (range.isAtStartOf(startBlock)) {
+  } else if (range.isAtStartOf(startBlock)) {
     change.insertNodeByKey(parent.key, index, block, { normalize })
-  }
-
-  else if (range.isAtEndOf(startBlock)) {
+  } else if (range.isAtEndOf(startBlock)) {
     change.insertNodeByKey(parent.key, index + 1, block, { normalize })
-  }
-
-  else {
-    change.splitDescendantsByKey(startBlock.key, startKey, startOffset, { normalize: false })
+  } else {
+    change.splitDescendantsByKey(startBlock.key, startKey, startOffset, {
+      normalize: false,
+    })
     change.insertNodeByKey(parent.key, index + 1, block, { normalize })
   }
 
@@ -757,7 +751,10 @@ Changes.insertFragmentAtRange = (change, range, fragment, options = {}) => {
   // If the first and last block aren't the same, we need to insert all of the
   // nodes after the fragment's first block at the index.
   if (firstBlock != lastBlock) {
-    const lonelyParent = fragment.getFurthest(firstBlock.key, p => p.nodes.size == 1)
+    const lonelyParent = fragment.getFurthest(
+      firstBlock.key,
+      p => p.nodes.size == 1
+    )
     const lonelyChild = lonelyParent || firstBlock
     const startIndex = parent.nodes.indexOf(startBlock)
     fragment = fragment.removeDescendant(lonelyChild.key)
@@ -770,7 +767,9 @@ Changes.insertFragmentAtRange = (change, range, fragment, options = {}) => {
 
   // Check if we need to split the node.
   if (startOffset != 0) {
-    change.splitDescendantsByKey(startChild.key, startKey, startOffset, { normalize: false })
+    change.splitDescendantsByKey(startChild.key, startKey, startOffset, {
+      normalize: false,
+    })
   }
 
   // Update our variables with the new value.
@@ -783,13 +782,19 @@ Changes.insertFragmentAtRange = (change, range, fragment, options = {}) => {
   // starting block's children after the split into the last block of the
   // fragment, which has already been inserted.
   if (firstBlock != lastBlock) {
-    const nextChild = isAtStart ? startChild : startBlock.getNextSibling(startChild.key)
-    const nextNodes = nextChild ? startBlock.nodes.skipUntil(n => n.key == nextChild.key) : List()
+    const nextChild = isAtStart
+      ? startChild
+      : startBlock.getNextSibling(startChild.key)
+    const nextNodes = nextChild
+      ? startBlock.nodes.skipUntil(n => n.key == nextChild.key)
+      : List()
     const lastIndex = lastBlock.nodes.size
 
     nextNodes.forEach((node, i) => {
       const newIndex = lastIndex + i
-      change.moveNodeByKey(node.key, lastBlock.key, newIndex, { normalize: false })
+      change.moveNodeByKey(node.key, lastBlock.key, newIndex, {
+        normalize: false,
+      })
     })
   }
 
@@ -798,18 +803,18 @@ Changes.insertFragmentAtRange = (change, range, fragment, options = {}) => {
   if (startBlock.isEmpty) {
     change.removeNodeByKey(startBlock.key, { normalize: false })
     change.insertNodeByKey(parent.key, index, firstBlock, { normalize: false })
-  }
-
-  // Otherwise, we maintain the starting block, and insert all of the first
-  // block's inline nodes into it at the split point.
-  else {
+  } else {
+    // Otherwise, we maintain the starting block, and insert all of the first
+    // block's inline nodes into it at the split point.
     const inlineChild = startBlock.getFurthestAncestor(startText.key)
     const inlineIndex = startBlock.nodes.indexOf(inlineChild)
 
     firstBlock.nodes.forEach((inline, i) => {
       const o = startOffset == 0 ? 0 : 1
       const newIndex = inlineIndex + i + o
-      change.insertNodeByKey(startBlock.key, newIndex, inline, { normalize: false })
+      change.insertNodeByKey(startBlock.key, newIndex, inline, {
+        normalize: false,
+      })
     })
   }
 
@@ -914,7 +919,7 @@ Changes.removeMarkAtRange = (change, range, mark, options = {}) => {
   const texts = document.getTextsAtRange(range)
   const { startKey, startOffset, endKey, endOffset } = range
 
-  texts.forEach((node) => {
+  texts.forEach(node => {
     const { key } = node
     let index = 0
     let length = node.text.length
@@ -943,7 +948,7 @@ Changes.setBlockAtRange = (change, range, properties, options = {}) => {
   const { document } = value
   const blocks = document.getBlocksAtRange(range)
 
-  blocks.forEach((block) => {
+  blocks.forEach(block => {
     change.setNodeByKey(block.key, properties, { normalize })
   })
 }
@@ -964,7 +969,7 @@ Changes.setInlineAtRange = (change, range, properties, options = {}) => {
   const { document } = value
   const inlines = document.getInlinesAtRange(range)
 
-  inlines.forEach((inline) => {
+  inlines.forEach(inline => {
     change.setNodeByKey(inline.key, properties, { normalize })
   })
 }
@@ -1013,7 +1018,12 @@ Changes.splitBlockAtRange = (change, range, height = 1, options = {}) => {
  *   @property {Boolean} normalize
  */
 
-Changes.splitInlineAtRange = (change, range, height = Infinity, options = {}) => {
+Changes.splitInlineAtRange = (
+  change,
+  range,
+  height = Infinity,
+  options = {}
+) => {
   const normalize = change.getFlag('normalize', options)
 
   if (range.isExpanded) {
@@ -1084,12 +1094,15 @@ Changes.unwrapBlockAtRange = (change, range, properties, options = {}) => {
   let { document } = value
   const blocks = document.getBlocksAtRange(range)
   const wrappers = blocks
-    .map((block) => {
-      return document.getClosest(block.key, (parent) => {
+    .map(block => {
+      return document.getClosest(block.key, parent => {
         if (parent.object != 'block') return false
-        if (properties.type != null && parent.type != properties.type) return false
-        if (properties.isVoid != null && parent.isVoid != properties.isVoid) return false
-        if (properties.data != null && !parent.data.isSuperset(properties.data)) return false
+        if (properties.type != null && parent.type != properties.type)
+          return false
+        if (properties.isVoid != null && parent.isVoid != properties.isVoid)
+          return false
+        if (properties.data != null && !parent.data.isSuperset(properties.data))
+          return false
         return true
       })
     })
@@ -1097,13 +1110,13 @@ Changes.unwrapBlockAtRange = (change, range, properties, options = {}) => {
     .toOrderedSet()
     .toList()
 
-  wrappers.forEach((block) => {
+  wrappers.forEach(block => {
     const first = block.nodes.first()
     const last = block.nodes.last()
     const parent = document.getParent(block.key)
     const index = parent.nodes.indexOf(block)
 
-    const children = block.nodes.filter((child) => {
+    const children = block.nodes.filter(child => {
       return blocks.some(b => child == b || child.hasDescendant(b.key))
     })
 
@@ -1112,32 +1125,32 @@ Changes.unwrapBlockAtRange = (change, range, properties, options = {}) => {
 
     if (first == firstMatch && last == lastMatch) {
       block.nodes.forEach((child, i) => {
-        change.moveNodeByKey(child.key, parent.key, index + i, { normalize: false })
+        change.moveNodeByKey(child.key, parent.key, index + i, {
+          normalize: false,
+        })
       })
 
       change.removeNodeByKey(block.key, { normalize: false })
-    }
-
-    else if (last == lastMatch) {
-      block.nodes
-        .skipUntil(n => n == firstMatch)
-        .forEach((child, i) => {
-          change.moveNodeByKey(child.key, parent.key, index + 1 + i, { normalize: false })
+    } else if (last == lastMatch) {
+      block.nodes.skipUntil(n => n == firstMatch).forEach((child, i) => {
+        change.moveNodeByKey(child.key, parent.key, index + 1 + i, {
+          normalize: false,
         })
-    }
-
-    else if (first == firstMatch) {
+      })
+    } else if (first == firstMatch) {
       block.nodes
         .takeUntil(n => n == lastMatch)
         .push(lastMatch)
         .forEach((child, i) => {
-          change.moveNodeByKey(child.key, parent.key, index + i, { normalize: false })
+          change.moveNodeByKey(child.key, parent.key, index + i, {
+            normalize: false,
+          })
         })
-    }
-
-    else {
+    } else {
       const firstText = firstMatch.getFirstText()
-      change.splitDescendantsByKey(block.key, firstText.key, 0, { normalize: false })
+      change.splitDescendantsByKey(block.key, firstText.key, 0, {
+        normalize: false,
+      })
       document = change.value.document
 
       children.forEach((child, i) => {
@@ -1147,7 +1160,9 @@ Changes.unwrapBlockAtRange = (change, range, properties, options = {}) => {
           change.removeNodeByKey(extra.key, { normalize: false })
         }
 
-        change.moveNodeByKey(child.key, parent.key, index + 1 + i, { normalize: false })
+        change.moveNodeByKey(child.key, parent.key, index + 1 + i, {
+          normalize: false,
+        })
       })
     }
   })
@@ -1176,12 +1191,15 @@ Changes.unwrapInlineAtRange = (change, range, properties, options = {}) => {
   const { document } = value
   const texts = document.getTextsAtRange(range)
   const inlines = texts
-    .map((text) => {
-      return document.getClosest(text.key, (parent) => {
+    .map(text => {
+      return document.getClosest(text.key, parent => {
         if (parent.object != 'inline') return false
-        if (properties.type != null && parent.type != properties.type) return false
-        if (properties.isVoid != null && parent.isVoid != properties.isVoid) return false
-        if (properties.data != null && !parent.data.isSuperset(properties.data)) return false
+        if (properties.type != null && parent.type != properties.type)
+          return false
+        if (properties.isVoid != null && parent.isVoid != properties.isVoid)
+          return false
+        if (properties.data != null && !parent.data.isSuperset(properties.data))
+          return false
         return true
       })
     })
@@ -1189,12 +1207,14 @@ Changes.unwrapInlineAtRange = (change, range, properties, options = {}) => {
     .toOrderedSet()
     .toList()
 
-  inlines.forEach((inline) => {
+  inlines.forEach(inline => {
     const parent = change.value.document.getParent(inline.key)
     const index = parent.nodes.indexOf(inline)
 
     inline.nodes.forEach((child, i) => {
-      change.moveNodeByKey(child.key, parent.key, index + i, { normalize: false })
+      change.moveNodeByKey(child.key, parent.key, index + i, {
+        normalize: false,
+      })
     })
   })
 
@@ -1232,11 +1252,9 @@ Changes.wrapBlockAtRange = (change, range, block, options = {}) => {
   if (blocks.length === 1) {
     parent = document.getParent(firstblock.key)
     siblings = blocks
-  }
-
-  // Determine closest shared parent to all blocks in selection.
-  else {
-    parent = document.getClosest(firstblock.key, (p1) => {
+  } else {
+    // Determine closest shared parent to all blocks in selection.
+    parent = document.getClosest(firstblock.key, p1 => {
       return !!document.getClosest(lastblock.key, p2 => p1 == p2)
     })
   }
@@ -1310,8 +1328,12 @@ Changes.wrapInlineAtRange = (change, range, inline, options = {}) => {
   let startChild = startBlock.getFurthestAncestor(startKey)
   let endChild = endBlock.getFurthestAncestor(endKey)
 
-  change.splitDescendantsByKey(endChild.key, endKey, endOffset, { normalize: false })
-  change.splitDescendantsByKey(startChild.key, startKey, startOffset, { normalize: false })
+  change.splitDescendantsByKey(endChild.key, endKey, endOffset, {
+    normalize: false,
+  })
+  change.splitDescendantsByKey(startChild.key, startKey, startOffset, {
+    normalize: false,
+  })
 
   document = change.value.document
   startBlock = document.getDescendant(startBlock.key)
@@ -1328,7 +1350,8 @@ Changes.wrapInlineAtRange = (change, range, inline, options = {}) => {
 
     const startInner = document.getNextSibling(startChild.key)
     const startInnerIndex = startBlock.nodes.indexOf(startInner)
-    const endInner = startKey == endKey ? startInner : startBlock.getFurthestAncestor(endKey)
+    const endInner =
+      startKey == endKey ? startInner : startBlock.getFurthestAncestor(endKey)
     const inlines = startBlock.nodes
       .skipUntil(n => n == startInner)
       .takeUntil(n => n == endInner)
@@ -1336,7 +1359,9 @@ Changes.wrapInlineAtRange = (change, range, inline, options = {}) => {
 
     const node = inline.regenerateKey()
 
-    change.insertNodeByKey(startBlock.key, startInnerIndex, node, { normalize: false })
+    change.insertNodeByKey(startBlock.key, startInnerIndex, node, {
+      normalize: false,
+    })
 
     inlines.forEach((child, i) => {
       change.moveNodeByKey(child.key, node.key, i, { normalize: false })
@@ -1345,16 +1370,18 @@ Changes.wrapInlineAtRange = (change, range, inline, options = {}) => {
     if (normalize) {
       change.normalizeNodeByKey(startBlock.key)
     }
-  }
-
-  else {
+  } else {
     const startInlines = startBlock.nodes.slice(startIndex + 1)
     const endInlines = endBlock.nodes.slice(0, endIndex + 1)
     const startNode = inline.regenerateKey()
     const endNode = inline.regenerateKey()
 
-    change.insertNodeByKey(startBlock.key, startIndex + 1, startNode, { normalize: false })
-    change.insertNodeByKey(endBlock.key, endIndex, endNode, { normalize: false })
+    change.insertNodeByKey(startBlock.key, startIndex + 1, startNode, {
+      normalize: false,
+    })
+    change.insertNodeByKey(endBlock.key, endIndex, endNode, {
+      normalize: false,
+    })
 
     startInlines.forEach((child, i) => {
       change.moveNodeByKey(child.key, startNode.key, i, { normalize: false })
@@ -1365,12 +1392,10 @@ Changes.wrapInlineAtRange = (change, range, inline, options = {}) => {
     })
 
     if (normalize) {
-      change
-        .normalizeNodeByKey(startBlock.key)
-        .normalizeNodeByKey(endBlock.key)
+      change.normalizeNodeByKey(startBlock.key).normalizeNodeByKey(endBlock.key)
     }
 
-    blocks.slice(1, -1).forEach((block) => {
+    blocks.slice(1, -1).forEach(block => {
       const node = inline.regenerateKey()
       change.insertNodeByKey(block.key, 0, node, { normalize: false })
 
@@ -1396,7 +1421,13 @@ Changes.wrapInlineAtRange = (change, range, inline, options = {}) => {
  *   @property {Boolean} normalize
  */
 
-Changes.wrapTextAtRange = (change, range, prefix, suffix = prefix, options = {}) => {
+Changes.wrapTextAtRange = (
+  change,
+  range,
+  prefix,
+  suffix = prefix,
+  options = {}
+) => {
   const normalize = change.getFlag('normalize', options)
   const { startKey, endKey } = range
   const start = range.collapseToStart()
diff --git a/packages/slate/src/changes/by-key.js b/packages/slate/src/changes/by-key.js
index e9ac3a7d1..2504a983d 100644
--- a/packages/slate/src/changes/by-key.js
+++ b/packages/slate/src/changes/by-key.js
@@ -1,4 +1,3 @@
-
 import Block from '../models/block'
 import Inline from '../models/inline'
 import Mark from '../models/mark'
@@ -38,7 +37,7 @@ Changes.addMarkByKey = (change, key, offset, length, mark, options = {}) => {
   const by = offset + length
   let o = 0
 
-  leaves.forEach((leaf) => {
+  leaves.forEach(leaf => {
     const ax = o
     const ay = ax + leaf.text.length
 
@@ -181,7 +180,8 @@ Changes.mergeNodeByKey = (change, key, options = {}) => {
     throw new Error(`Unable to merge node with key "${key}", no previous key.`)
   }
 
-  const position = previous.object == 'text' ? previous.text.length : previous.nodes.size
+  const position =
+    previous.object == 'text' ? previous.text.length : previous.nodes.size
 
   change.applyOperation({
     type: 'merge_node',
@@ -261,7 +261,7 @@ Changes.removeMarkByKey = (change, key, offset, length, mark, options = {}) => {
   const by = offset + length
   let o = 0
 
-  leaves.forEach((leaf) => {
+  leaves.forEach(leaf => {
     const ax = o
     const ay = ax + leaf.text.length
 
@@ -310,8 +310,8 @@ Changes.removeAllMarksByKey = (change, key, options = {}) => {
   const node = document.getNode(key)
   const texts = node.object === 'text' ? [node] : node.getTextsAsArray()
 
-  texts.forEach((text) => {
-    text.getMarksAsArray().forEach((mark) => {
+  texts.forEach(text => {
+    text.getMarksAsArray().forEach(mark => {
       change.removeMarkByKey(text.key, 0, text.text.length, mark, options)
     })
   })
@@ -371,7 +371,7 @@ Changes.removeTextByKey = (change, key, offset, length, options = {}) => {
   const by = offset + length
   let o = 0
 
-  leaves.forEach((leaf) => {
+  leaves.forEach(leaf => {
     const ax = o
     const ay = ax + leaf.text.length
 
@@ -441,7 +441,15 @@ Changes.replaceNodeByKey = (change, key, newNode, options = {}) => {
  *   @property {Boolean} normalize
  */
 
-Changes.setMarkByKey = (change, key, offset, length, mark, properties, options = {}) => {
+Changes.setMarkByKey = (
+  change,
+  key,
+  offset,
+  length,
+  mark,
+  properties,
+  options = {}
+) => {
   mark = Mark.create(mark)
   properties = Mark.createProperties(properties)
   const normalize = change.getFlag('normalize', options)
@@ -541,7 +549,13 @@ Changes.splitNodeByKey = (change, key, position, options = {}) => {
  *   @property {Boolean} normalize
  */
 
-Changes.splitDescendantsByKey = (change, key, textKey, textOffset, options = {}) => {
+Changes.splitDescendantsByKey = (
+  change,
+  key,
+  textKey,
+  textOffset,
+  options = {}
+) => {
   if (key == textKey) {
     change.splitNodeByKey(textKey, textOffset, options)
     return
@@ -553,15 +567,21 @@ Changes.splitDescendantsByKey = (change, key, textKey, textOffset, options = {})
 
   const text = document.getNode(textKey)
   const ancestors = document.getAncestors(textKey)
-  const nodes = ancestors.skipUntil(a => a.key == key).reverse().unshift(text)
+  const nodes = ancestors
+    .skipUntil(a => a.key == key)
+    .reverse()
+    .unshift(text)
   let previous
   let index
 
-  nodes.forEach((node) => {
+  nodes.forEach(node => {
     const prevIndex = index == null ? null : index
     index = previous ? node.nodes.indexOf(previous) + 1 : textOffset
     previous = node
-    change.splitNodeByKey(node.key, index, { normalize: false, target: prevIndex })
+    change.splitNodeByKey(node.key, index, {
+      normalize: false,
+      target: prevIndex,
+    })
   })
 
   if (normalize) {
@@ -638,26 +658,24 @@ Changes.unwrapNodeByKey = (change, key, options = {}) => {
   const parentIndex = parentParent.nodes.indexOf(parent)
 
   if (parent.nodes.size === 1) {
-    change.moveNodeByKey(key, parentParent.key, parentIndex, { normalize: false })
+    change.moveNodeByKey(key, parentParent.key, parentIndex, {
+      normalize: false,
+    })
     change.removeNodeByKey(parent.key, options)
-  }
-
-  else if (isFirst) {
+  } else if (isFirst) {
     // Just move the node before its parent.
     change.moveNodeByKey(key, parentParent.key, parentIndex, options)
-  }
-
-  else if (isLast) {
+  } else if (isLast) {
     // Just move the node after its parent.
     change.moveNodeByKey(key, parentParent.key, parentIndex + 1, options)
-  }
-
-  else {
+  } else {
     // Split the parent.
     change.splitNodeByKey(parent.key, index, { normalize: false })
 
     // Extract the node in between the splitted parent.
-    change.moveNodeByKey(key, parentParent.key, parentIndex + 1, { normalize: false })
+    change.moveNodeByKey(key, parentParent.key, parentIndex + 1, {
+      normalize: false,
+    })
 
     if (normalize) {
       change.normalizeNodeByKey(parentParent.key)
diff --git a/packages/slate/src/changes/index.js b/packages/slate/src/changes/index.js
index bab841ec1..d9d49c615 100644
--- a/packages/slate/src/changes/index.js
+++ b/packages/slate/src/changes/index.js
@@ -1,4 +1,3 @@
-
 import AtCurrentRange from './at-current-range'
 import AtRange from './at-range'
 import ByKey from './by-key'
diff --git a/packages/slate/src/changes/on-history.js b/packages/slate/src/changes/on-history.js
index 00530bde3..985652923 100644
--- a/packages/slate/src/changes/on-history.js
+++ b/packages/slate/src/changes/on-history.js
@@ -1,4 +1,3 @@
-
 import invert from '../operations/invert'
 import omit from 'lodash/omit'
 
@@ -16,7 +15,7 @@ const Changes = {}
  * @param {Change} change
  */
 
-Changes.redo = (change) => {
+Changes.redo = change => {
   let { value } = change
   let { history } = value
   if (!history) return
@@ -30,7 +29,7 @@ Changes.redo = (change) => {
   undos = undos.push(next)
 
   // Replay the next operations.
-  next.forEach((op) => {
+  next.forEach(op => {
     const { type, properties } = op
 
     // When the operation mutates the selection, omit its `isFocused` value to
@@ -55,7 +54,7 @@ Changes.redo = (change) => {
  * @param {Change} change
  */
 
-Changes.undo = (change) => {
+Changes.undo = change => {
   let { value } = change
   let { history } = value
   if (!history) return
@@ -69,17 +68,21 @@ Changes.undo = (change) => {
   redos = redos.push(previous)
 
   // Replay the inverse of the previous operations.
-  previous.slice().reverse().map(invert).forEach((inverse) => {
-    const { type, properties } = inverse
+  previous
+    .slice()
+    .reverse()
+    .map(invert)
+    .forEach(inverse => {
+      const { type, properties } = inverse
 
-    // When the operation mutates the selection, omit its `isFocused` value to
-    // prevent the editor focus from changing during undoing.
-    if (type == 'set_selection') {
-      inverse = inverse.set('properties', omit(properties, 'isFocused'))
-    }
+      // When the operation mutates the selection, omit its `isFocused` value to
+      // prevent the editor focus from changing during undoing.
+      if (type == 'set_selection') {
+        inverse = inverse.set('properties', omit(properties, 'isFocused'))
+      }
 
-    change.applyOperation(inverse, { save: false })
-  })
+      change.applyOperation(inverse, { save: false })
+    })
 
   // Update the history.
   value = change.value
diff --git a/packages/slate/src/changes/on-selection.js b/packages/slate/src/changes/on-selection.js
index 9f6af8b70..c553f112c 100644
--- a/packages/slate/src/changes/on-selection.js
+++ b/packages/slate/src/changes/on-selection.js
@@ -1,4 +1,3 @@
-
 import isEmpty from 'is-empty'
 import pick from 'lodash/pick'
 
@@ -40,12 +39,9 @@ Changes.select = (change, properties, options = {}) => {
 
   // If the selection moves, clear any marks, unless the new selection
   // properties change the marks in some way.
-  const moved = [
-    'anchorKey',
-    'anchorOffset',
-    'focusKey',
-    'focusOffset',
-  ].some(p => props.hasOwnProperty(p))
+  const moved = ['anchorKey', 'anchorOffset', 'focusKey', 'focusOffset'].some(
+    p => props.hasOwnProperty(p)
+  )
 
   if (sel.marks && properties.marks == sel.marks && moved) {
     props.marks = null
@@ -57,12 +53,15 @@ Changes.select = (change, properties, options = {}) => {
   }
 
   // Apply the operation.
-  change.applyOperation({
-    type: 'set_selection',
-    value,
-    properties: props,
-    selection: sel,
-  }, snapshot ? { skip: false, merge: false } : {})
+  change.applyOperation(
+    {
+      type: 'set_selection',
+      value,
+      properties: props,
+      selection: sel,
+    },
+    snapshot ? { skip: false, merge: false } : {}
+  )
 }
 
 /**
@@ -71,7 +70,7 @@ Changes.select = (change, properties, options = {}) => {
  * @param {Change} change
  */
 
-Changes.selectAll = (change) => {
+Changes.selectAll = change => {
   const { value } = change
   const { document, selection } = value
   const next = selection.moveToRangeOf(document)
@@ -84,7 +83,7 @@ Changes.selectAll = (change) => {
  * @param {Change} change
  */
 
-Changes.snapshotSelection = (change) => {
+Changes.snapshotSelection = change => {
   const { value } = change
   const { selection } = value
   change.select(selection, { snapshot: true })
@@ -96,13 +95,14 @@ Changes.snapshotSelection = (change) => {
  * @param {Change} change
  */
 
-Changes.moveAnchorCharBackward = (change) => {
+Changes.moveAnchorCharBackward = change => {
   const { value } = change
   const { document, selection, anchorText, anchorBlock } = value
   const { anchorOffset } = selection
   const previousText = document.getPreviousText(anchorText.key)
   const isInVoid = document.hasVoidParent(anchorText.key)
-  const isPreviousInVoid = previousText && document.hasVoidParent(previousText.key)
+  const isPreviousInVoid =
+    previousText && document.hasVoidParent(previousText.key)
 
   if (!isInVoid && anchorOffset > 0) {
     change.moveAnchor(-1)
@@ -126,7 +126,7 @@ Changes.moveAnchorCharBackward = (change) => {
  * @param {Change} change
  */
 
-Changes.moveAnchorCharForward = (change) => {
+Changes.moveAnchorCharForward = change => {
   const { value } = change
   const { document, selection, anchorText, anchorBlock } = value
   const { anchorOffset } = selection
@@ -156,13 +156,14 @@ Changes.moveAnchorCharForward = (change) => {
  * @param {Change} change
  */
 
-Changes.moveFocusCharBackward = (change) => {
+Changes.moveFocusCharBackward = change => {
   const { value } = change
   const { document, selection, focusText, focusBlock } = value
   const { focusOffset } = selection
   const previousText = document.getPreviousText(focusText.key)
   const isInVoid = document.hasVoidParent(focusText.key)
-  const isPreviousInVoid = previousText && document.hasVoidParent(previousText.key)
+  const isPreviousInVoid =
+    previousText && document.hasVoidParent(previousText.key)
 
   if (!isInVoid && focusOffset > 0) {
     change.moveFocus(-1)
@@ -186,7 +187,7 @@ Changes.moveFocusCharBackward = (change) => {
  * @param {Change} change
  */
 
-Changes.moveFocusCharForward = (change) => {
+Changes.moveFocusCharForward = change => {
   const { value } = change
   const { document, selection, focusText, focusBlock } = value
   const { focusOffset } = selection
@@ -214,20 +215,17 @@ Changes.moveFocusCharForward = (change) => {
  * Mix in move methods.
  */
 
-const MOVE_DIRECTIONS = [
-  'Forward',
-  'Backward',
-]
+const MOVE_DIRECTIONS = ['Forward', 'Backward']
 
-MOVE_DIRECTIONS.forEach((direction) => {
+MOVE_DIRECTIONS.forEach(direction => {
   const anchor = `moveAnchorChar${direction}`
   const focus = `moveFocusChar${direction}`
 
-  Changes[`moveChar${direction}`] = (change) => {
+  Changes[`moveChar${direction}`] = change => {
     change[anchor]()[focus]()
   }
 
-  Changes[`moveStartChar${direction}`] = (change) => {
+  Changes[`moveStartChar${direction}`] = change => {
     if (change.value.isBackward) {
       change[focus]()
     } else {
@@ -235,7 +233,7 @@ MOVE_DIRECTIONS.forEach((direction) => {
     }
   }
 
-  Changes[`moveEndChar${direction}`] = (change) => {
+  Changes[`moveEndChar${direction}`] = change => {
     if (change.value.isBackward) {
       change[anchor]()
     } else {
@@ -243,12 +241,13 @@ MOVE_DIRECTIONS.forEach((direction) => {
     }
   }
 
-  Changes[`extendChar${direction}`] = (change) => {
+  Changes[`extendChar${direction}`] = change => {
     change[`moveFocusChar${direction}`]()
   }
 
-  Changes[`collapseChar${direction}`] = (change) => {
-    const collapse = direction == 'Forward' ? 'collapseToEnd' : 'collapseToStart'
+  Changes[`collapseChar${direction}`] = change => {
+    const collapse =
+      direction == 'Forward' ? 'collapseToEnd' : 'collapseToStart'
     change[collapse]()[`moveChar${direction}`]()
   }
 })
@@ -264,8 +263,8 @@ const ALIAS_METHODS = [
   ['extendLineForward', 'extendToEndOfBlock'],
 ]
 
-ALIAS_METHODS.forEach(([ alias, method ]) => {
-  Changes[alias] = function (change, ...args) {
+ALIAS_METHODS.forEach(([alias, method]) => {
+  Changes[alias] = function(change, ...args) {
     change[method](change, ...args)
   }
 })
@@ -316,7 +315,7 @@ const PROXY_TRANSFORMS = [
   'deselect',
 ]
 
-PROXY_TRANSFORMS.forEach((method) => {
+PROXY_TRANSFORMS.forEach(method => {
   Changes[method] = (change, ...args) => {
     const normalize = method != 'deselect'
     const { value } = change
@@ -341,34 +340,24 @@ const PREFIXES = [
   'extendTo',
 ]
 
-const DIRECTIONS = [
-  'Next',
-  'Previous',
-]
+const DIRECTIONS = ['Next', 'Previous']
 
-const OBJECTS = [
-  'Block',
-  'Inline',
-  'Text',
-]
+const OBJECTS = ['Block', 'Inline', 'Text']
 
-PREFIXES.forEach((prefix) => {
-  const edges = [
-    'Start',
-    'End',
-  ]
+PREFIXES.forEach(prefix => {
+  const edges = ['Start', 'End']
 
   if (prefix == 'moveTo') {
     edges.push('Range')
   }
 
-  edges.forEach((edge) => {
+  edges.forEach(edge => {
     const method = `${prefix}${edge}Of`
 
-    OBJECTS.forEach((object) => {
+    OBJECTS.forEach(object => {
       const getNode = object == 'Text' ? 'getNode' : `getClosest${object}`
 
-      Changes[`${method}${object}`] = (change) => {
+      Changes[`${method}${object}`] = change => {
         const { value } = change
         const { document, selection } = value
         const node = document[getNode](selection.startKey)
@@ -376,11 +365,11 @@ PREFIXES.forEach((prefix) => {
         change[method](node)
       }
 
-      DIRECTIONS.forEach((direction) => {
+      DIRECTIONS.forEach(direction => {
         const getDirectionNode = `get${direction}${object}`
         const directionKey = direction == 'Next' ? 'startKey' : 'endKey'
 
-        Changes[`${method}${direction}${object}`] = (change) => {
+        Changes[`${method}${direction}${object}`] = change => {
           const { value } = change
           const { document, selection } = value
           const node = document[getNode](selection[directionKey])
diff --git a/packages/slate/src/changes/on-value.js b/packages/slate/src/changes/on-value.js
index 36c969a4c..d46394788 100644
--- a/packages/slate/src/changes/on-value.js
+++ b/packages/slate/src/changes/on-value.js
@@ -1,4 +1,3 @@
-
 import Value from '../models/value'
 
 /**
@@ -21,11 +20,14 @@ Changes.setValue = (change, properties, options = {}) => {
   properties = Value.createProperties(properties)
   const { value } = change
 
-  change.applyOperation({
-    type: 'set_value',
-    properties,
-    value,
-  }, options)
+  change.applyOperation(
+    {
+      type: 'set_value',
+      properties,
+      value,
+    },
+    options
+  )
 }
 
 /**
diff --git a/packages/slate/src/changes/with-schema.js b/packages/slate/src/changes/with-schema.js
index 0e8515cc1..f2486dfed 100644
--- a/packages/slate/src/changes/with-schema.js
+++ b/packages/slate/src/changes/with-schema.js
@@ -1,5 +1,3 @@
-
-
 /**
  * Changes.
  *
@@ -14,7 +12,7 @@ const Changes = {}
  * @param {Change} change
  */
 
-Changes.normalize = (change) => {
+Changes.normalize = change => {
   change.normalizeDocument()
 }
 
@@ -24,7 +22,7 @@ Changes.normalize = (change) => {
  * @param {Change} change
  */
 
-Changes.normalizeDocument = (change) => {
+Changes.normalizeDocument = change => {
   const { value } = change
   const { document } = value
   change.normalizeNodeByKey(document.key)
@@ -48,7 +46,7 @@ Changes.normalizeNodeByKey = (change, key) => {
   const ancestors = document.getAncestors(key)
   if (!ancestors) return
 
-  ancestors.forEach((ancestor) => {
+  ancestors.forEach(ancestor => {
     normalizeNode(change, ancestor, schema)
   })
 }
@@ -136,7 +134,9 @@ function normalizeNode(change, node, schema) {
     iterations++
 
     if (iterations > max) {
-      throw new Error('A schema rule could not be validated after sufficient iterations. This is usually due to a `rule.validate` or `rule.normalize` function of a schema being incorrectly written, causing an infinite loop.')
+      throw new Error(
+        'A schema rule could not be validated after sufficient iterations. This is usually due to a `rule.validate` or `rule.normalize` function of a schema being incorrectly written, causing an infinite loop.'
+      )
     }
 
     // Otherwise, iterate again.
diff --git a/packages/slate/src/constants/core-schema-rules.js b/packages/slate/src/constants/core-schema-rules.js
index ba54e78bd..4a8294af1 100644
--- a/packages/slate/src/constants/core-schema-rules.js
+++ b/packages/slate/src/constants/core-schema-rules.js
@@ -1,4 +1,3 @@
-
 import { List } from 'immutable'
 
 import Text from '../models/text'
@@ -10,7 +9,6 @@ import Text from '../models/text'
  */
 
 const CORE_SCHEMA_RULES = [
-
   /**
    * Only allow block nodes in documents.
    *
@@ -23,12 +21,12 @@ const CORE_SCHEMA_RULES = [
       const invalids = node.nodes.filter(n => n.object != 'block')
       if (!invalids.size) return
 
-      return (change) => {
-        invalids.forEach((child) => {
+      return change => {
+        invalids.forEach(child => {
           change.removeNodeByKey(child.key, { normalize: false })
         })
       }
-    }
+    },
   },
 
   /**
@@ -46,12 +44,12 @@ const CORE_SCHEMA_RULES = [
       const invalids = node.nodes.filter(n => !objects.includes(n.object))
       if (!invalids.size) return
 
-      return (change) => {
-        invalids.forEach((child) => {
+      return change => {
+        invalids.forEach(child => {
           change.removeNodeByKey(child.key, { normalize: false })
         })
       }
-    }
+    },
   },
 
   /**
@@ -63,15 +61,17 @@ const CORE_SCHEMA_RULES = [
   {
     validateNode(node) {
       if (node.object != 'inline') return
-      const invalids = node.nodes.filter(n => n.object != 'inline' && n.object != 'text')
+      const invalids = node.nodes.filter(
+        n => n.object != 'inline' && n.object != 'text'
+      )
       if (!invalids.size) return
 
-      return (change) => {
-        invalids.forEach((child) => {
+      return change => {
+        invalids.forEach(child => {
           change.removeNodeByKey(child.key, { normalize: false })
         })
       }
-    }
+    },
   },
 
   /**
@@ -85,11 +85,11 @@ const CORE_SCHEMA_RULES = [
       if (node.object != 'block' && node.object != 'inline') return
       if (node.nodes.size > 0) return
 
-      return (change) => {
+      return change => {
         const text = Text.create()
         change.insertNodeByKey(node.key, 0, text, { normalize: false })
       }
-    }
+    },
   },
 
   /**
@@ -104,17 +104,17 @@ const CORE_SCHEMA_RULES = [
       if (node.object != 'block' && node.object != 'inline') return
       if (node.text == ' ' && node.nodes.size == 1) return
 
-      return (change) => {
+      return change => {
         const text = Text.create(' ')
         const index = node.nodes.size
 
         change.insertNodeByKey(node.key, index, text, { normalize: false })
 
-        node.nodes.forEach((child) => {
+        node.nodes.forEach(child => {
           change.removeNodeByKey(child.key, { normalize: false })
         })
       }
-    }
+    },
   },
 
   /**
@@ -131,10 +131,12 @@ const CORE_SCHEMA_RULES = [
   {
     validateNode(node) {
       if (node.object != 'block') return
-      const invalids = node.nodes.filter(n => n.object == 'inline' && n.text == '')
+      const invalids = node.nodes.filter(
+        n => n.object == 'inline' && n.text == ''
+      )
       if (!invalids.size) return
 
-      return (change) => {
+      return change => {
         // If all of the block's nodes are invalid, insert an empty text node so
         // that the selection will be preserved when they are all removed.
         if (node.nodes.size == invalids.size) {
@@ -142,11 +144,11 @@ const CORE_SCHEMA_RULES = [
           change.insertNodeByKey(node.key, 1, text, { normalize: false })
         }
 
-        invalids.forEach((child) => {
+        invalids.forEach(child => {
           change.removeNodeByKey(child.key, { normalize: false })
         })
       }
-    }
+    },
   },
 
   /**
@@ -167,7 +169,7 @@ const CORE_SCHEMA_RULES = [
         const next = node.nodes.get(index + 1)
         // We don't test if "prev" is inline, since it has already been processed in the loop
         const insertBefore = !prev
-        const insertAfter = !next || (next.object == 'inline')
+        const insertAfter = !next || next.object == 'inline'
 
         if (insertAfter || insertBefore) {
           list = list.push({ insertAfter, insertBefore, index })
@@ -178,23 +180,27 @@ const CORE_SCHEMA_RULES = [
 
       if (!invalids.size) return
 
-      return (change) => {
+      return change => {
         // Shift for every text node inserted previously.
         let shift = 0
 
         invalids.forEach(({ index, insertAfter, insertBefore }) => {
           if (insertBefore) {
-            change.insertNodeByKey(node.key, shift + index, Text.create(), { normalize: false })
+            change.insertNodeByKey(node.key, shift + index, Text.create(), {
+              normalize: false,
+            })
             shift++
           }
 
           if (insertAfter) {
-            change.insertNodeByKey(node.key, shift + index + 1, Text.create(), { normalize: false })
+            change.insertNodeByKey(node.key, shift + index + 1, Text.create(), {
+              normalize: false,
+            })
             shift++
           }
         })
       }
-    }
+    },
   },
 
   /**
@@ -218,14 +224,14 @@ const CORE_SCHEMA_RULES = [
 
       if (!invalids.size) return
 
-      return (change) => {
+      return change => {
         // Reverse the list to handle consecutive merges, since the earlier nodes
         // will always exist after each merge.
-        invalids.reverse().forEach((n) => {
+        invalids.reverse().forEach(n => {
           change.mergeNodeByKey(n.key, { normalize: false })
         })
       }
-    }
+    },
   },
 
   /**
@@ -254,7 +260,8 @@ const CORE_SCHEMA_RULES = [
         if (!next && prev.object == 'inline') return
 
         // If it's surrounded by inlines, preserve it.
-        if (next && prev && next.object == 'inline' && prev.object == 'inline') return
+        if (next && prev && next.object == 'inline' && prev.object == 'inline')
+          return
 
         // Otherwise, remove it.
         return true
@@ -262,14 +269,13 @@ const CORE_SCHEMA_RULES = [
 
       if (!invalids.size) return
 
-      return (change) => {
-        invalids.forEach((text) => {
+      return change => {
+        invalids.forEach(text => {
           change.removeNodeByKey(text.key, { normalize: false })
         })
       }
-    }
-  }
-
+    },
+  },
 ]
 
 /**
diff --git a/packages/slate/src/constants/model-types.js b/packages/slate/src/constants/model-types.js
index 16362e4f1..6ac97d325 100644
--- a/packages/slate/src/constants/model-types.js
+++ b/packages/slate/src/constants/model-types.js
@@ -1,4 +1,3 @@
-
 /**
  * Slate-specific model types.
  *
diff --git a/packages/slate/src/constants/operation-attributes.js b/packages/slate/src/constants/operation-attributes.js
index 894848804..f3cb84dcb 100644
--- a/packages/slate/src/constants/operation-attributes.js
+++ b/packages/slate/src/constants/operation-attributes.js
@@ -1,4 +1,3 @@
-
 /**
  * Slate operation attributes.
  *
@@ -6,86 +5,19 @@
  */
 
 const OPERATION_ATTRIBUTES = {
-  add_mark: [
-    'value',
-    'path',
-    'offset',
-    'length',
-    'mark',
-  ],
-  insert_node: [
-    'value',
-    'path',
-    'node',
-  ],
-  insert_text: [
-    'value',
-    'path',
-    'offset',
-    'text',
-    'marks',
-  ],
-  merge_node: [
-    'value',
-    'path',
-    'position',
-    'properties',
-    'target',
-  ],
-  move_node: [
-    'value',
-    'path',
-    'newPath',
-  ],
-  remove_mark: [
-    'value',
-    'path',
-    'offset',
-    'length',
-    'mark',
-  ],
-  remove_node: [
-    'value',
-    'path',
-    'node',
-  ],
-  remove_text: [
-    'value',
-    'path',
-    'offset',
-    'text',
-    'marks',
-  ],
-  set_mark: [
-    'value',
-    'path',
-    'offset',
-    'length',
-    'mark',
-    'properties',
-  ],
-  set_node: [
-    'value',
-    'path',
-    'node',
-    'properties',
-  ],
-  set_selection: [
-    'value',
-    'selection',
-    'properties',
-  ],
-  set_value: [
-    'value',
-    'properties',
-  ],
-  split_node: [
-    'value',
-    'path',
-    'position',
-    'properties',
-    'target',
-  ],
+  add_mark: ['value', 'path', 'offset', 'length', 'mark'],
+  insert_node: ['value', 'path', 'node'],
+  insert_text: ['value', 'path', 'offset', 'text', 'marks'],
+  merge_node: ['value', 'path', 'position', 'properties', 'target'],
+  move_node: ['value', 'path', 'newPath'],
+  remove_mark: ['value', 'path', 'offset', 'length', 'mark'],
+  remove_node: ['value', 'path', 'node'],
+  remove_text: ['value', 'path', 'offset', 'text', 'marks'],
+  set_mark: ['value', 'path', 'offset', 'length', 'mark', 'properties'],
+  set_node: ['value', 'path', 'node', 'properties'],
+  set_selection: ['value', 'selection', 'properties'],
+  set_value: ['value', 'properties'],
+  split_node: ['value', 'path', 'position', 'properties', 'target'],
 }
 
 /**
diff --git a/packages/slate/src/index.js b/packages/slate/src/index.js
index e58502adf..86262a813 100644
--- a/packages/slate/src/index.js
+++ b/packages/slate/src/index.js
@@ -1,4 +1,3 @@
-
 import Block from './models/block'
 import Change from './models/change'
 import Changes from './changes'
diff --git a/packages/slate/src/models/block.js b/packages/slate/src/models/block.js
index fb7b956ae..4a5341c0b 100644
--- a/packages/slate/src/models/block.js
+++ b/packages/slate/src/models/block.js
@@ -1,4 +1,3 @@
-
 /**
  * Prevent circular dependencies.
  */
@@ -38,7 +37,6 @@ const DEFAULTS = {
  */
 
 class Block extends Record(DEFAULTS) {
-
   /**
    * Create a new `Block` from `attrs`.
    *
@@ -59,7 +57,9 @@ class Block extends Record(DEFAULTS) {
       return Block.fromJSON(attrs)
     }
 
-    throw new Error(`\`Block.create\` only accepts objects, strings or blocks, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Block.create\` only accepts objects, strings or blocks, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -75,7 +75,9 @@ class Block extends Record(DEFAULTS) {
       return list
     }
 
-    throw new Error(`\`Block.createList\` only accepts arrays or lists, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Block.createList\` only accepts arrays or lists, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -152,7 +154,10 @@ class Block extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -206,7 +211,6 @@ class Block extends Record(DEFAULTS) {
   toJS(options) {
     return this.toJSON(options)
   }
-
 }
 
 /**
@@ -219,7 +223,7 @@ Block.prototype[MODEL_TYPES.BLOCK] = true
  * Mix in `Node` methods.
  */
 
-Object.getOwnPropertyNames(Node.prototype).forEach((method) => {
+Object.getOwnPropertyNames(Node.prototype).forEach(method => {
   if (method == 'constructor') return
   Block.prototype[method] = Node.prototype[method]
 })
diff --git a/packages/slate/src/models/change.js b/packages/slate/src/models/change.js
index 00ae550d5..fe3dc9f64 100644
--- a/packages/slate/src/models/change.js
+++ b/packages/slate/src/models/change.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
@@ -25,7 +24,6 @@ const debug = Debug('slate:change')
  */
 
 class Change {
-
   /**
    * Check if `any` is a `Change`.
    *
@@ -50,7 +48,7 @@ class Change {
     this.operations = new List()
     this.flags = {
       normalize: true,
-      ...pick(attrs, ['merge', 'save', 'normalize'])
+      ...pick(attrs, ['merge', 'save', 'normalize']),
     }
   }
 
@@ -65,7 +63,10 @@ class Change {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -187,9 +188,7 @@ class Change {
    */
 
   getFlag(key, options = {}) {
-    return options[key] !== undefined ?
-      options[key] :
-      this.flags[key]
+    return options[key] !== undefined ? options[key] : this.flags[key]
   }
 
   /**
@@ -203,7 +202,6 @@ class Change {
     delete this.flags[key]
     return this
   }
-
 }
 
 /**
@@ -216,8 +214,8 @@ Change.prototype[MODEL_TYPES.CHANGE] = true
  * Add a change method for each of the changes.
  */
 
-Object.keys(Changes).forEach((type) => {
-  Change.prototype[type] = function (...args) {
+Object.keys(Changes).forEach(type => {
+  Change.prototype[type] = function(...args) {
     debug(type, { args })
     this.call(Changes[type], ...args)
     return this
diff --git a/packages/slate/src/models/character.js b/packages/slate/src/models/character.js
index b8a3572aa..936807523 100644
--- a/packages/slate/src/models/character.js
+++ b/packages/slate/src/models/character.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
 import { List, Record, Set } from 'immutable'
@@ -23,7 +22,6 @@ const DEFAULTS = {
  */
 
 class Character extends Record(DEFAULTS) {
-
   /**
    * Create a `Character` with `attrs`.
    *
@@ -44,7 +42,9 @@ class Character extends Record(DEFAULTS) {
       return Character.fromJSON(attrs)
     }
 
-    throw new Error(`\`Character.create\` only accepts objects, strings or characters, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Character.create\` only accepts objects, strings or characters, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -64,7 +64,9 @@ class Character extends Record(DEFAULTS) {
       return list
     }
 
-    throw new Error(`\`Block.createList\` only accepts strings, arrays or lists, but you passed it: ${elements}`)
+    throw new Error(
+      `\`Block.createList\` only accepts strings, arrays or lists, but you passed it: ${elements}`
+    )
   }
 
   /**
@@ -75,10 +77,7 @@ class Character extends Record(DEFAULTS) {
    */
 
   static fromJSON(object) {
-    const {
-      text,
-      marks = [],
-    } = object
+    const { text, marks = [] } = object
 
     if (typeof text != 'string') {
       throw new Error('`Character.fromJSON` requires a block `text` string.')
@@ -131,7 +130,10 @@ class Character extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -158,7 +160,6 @@ class Character extends Record(DEFAULTS) {
   toJS() {
     return this.toJSON()
   }
-
 }
 
 /**
diff --git a/packages/slate/src/models/data.js b/packages/slate/src/models/data.js
index f8ef25c7d..e51ef8733 100644
--- a/packages/slate/src/models/data.js
+++ b/packages/slate/src/models/data.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import { Map } from 'immutable'
 
@@ -12,7 +11,6 @@ import { Map } from 'immutable'
  */
 
 class Data {
-
   /**
    * Create a new `Data` with `attrs`.
    *
@@ -29,7 +27,9 @@ class Data {
       return Data.fromJSON(attrs)
     }
 
-    throw new Error(`\`Data.create\` only accepts objects or maps, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Data.create\` only accepts objects or maps, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -48,7 +48,6 @@ class Data {
    */
 
   static fromJS = Data.fromJSON
-
 }
 
 /**
diff --git a/packages/slate/src/models/document.js b/packages/slate/src/models/document.js
index a316520f1..58d350c3c 100644
--- a/packages/slate/src/models/document.js
+++ b/packages/slate/src/models/document.js
@@ -1,4 +1,3 @@
-
 /**
  * Prevent circular dependencies.
  */
@@ -37,7 +36,6 @@ const DEFAULTS = {
  */
 
 class Document extends Record(DEFAULTS) {
-
   /**
    * Create a new `Document` with `attrs`.
    *
@@ -58,7 +56,9 @@ class Document extends Record(DEFAULTS) {
       return Document.fromJSON(attrs)
     }
 
-    throw new Error(`\`Document.create\` only accepts objects, arrays, lists or documents, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Document.create\` only accepts objects, arrays, lists or documents, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -73,11 +73,7 @@ class Document extends Record(DEFAULTS) {
       return object
     }
 
-    const {
-      data = {},
-      key = generateKey(),
-      nodes = [],
-    } = object
+    const { data = {}, key = generateKey(), nodes = [] } = object
 
     const document = new Document({
       key,
@@ -116,7 +112,10 @@ class Document extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -168,7 +167,6 @@ class Document extends Record(DEFAULTS) {
   toJS(options) {
     return this.toJSON(options)
   }
-
 }
 
 /**
@@ -181,7 +179,7 @@ Document.prototype[MODEL_TYPES.DOCUMENT] = true
  * Mix in `Node` methods.
  */
 
-Object.getOwnPropertyNames(Node.prototype).forEach((method) => {
+Object.getOwnPropertyNames(Node.prototype).forEach(method => {
   if (method == 'constructor') return
   Document.prototype[method] = Node.prototype[method]
 })
diff --git a/packages/slate/src/models/history.js b/packages/slate/src/models/history.js
index f36dd6d96..0c4b483ab 100644
--- a/packages/slate/src/models/history.js
+++ b/packages/slate/src/models/history.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import isEqual from 'lodash/isEqual'
 import isPlainObject from 'is-plain-object'
@@ -33,7 +32,6 @@ const DEFAULTS = {
  */
 
 class History extends Record(DEFAULTS) {
-
   /**
    * Create a new `History` with `attrs`.
    *
@@ -50,7 +48,9 @@ class History extends Record(DEFAULTS) {
       return History.fromJSON(attrs)
     }
 
-    throw new Error(`\`History.create\` only accepts objects or histories, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`History.create\` only accepts objects or histories, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -61,10 +61,7 @@ class History extends Record(DEFAULTS) {
    */
 
   static fromJSON(object) {
-    const {
-      redos = [],
-      undos = [],
-    } = object
+    const { redos = [], undos = [] } = object
 
     const history = new History({
       redos: new Stack(redos),
@@ -102,7 +99,10 @@ class History extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -140,10 +140,8 @@ class History extends Record(DEFAULTS) {
       const batch = prevBatch.push(operation)
       undos = undos.pop()
       undos = undos.push(batch)
-    }
-
-    // Otherwise, create a new batch with the operation.
-    else {
+    } else {
+      // Otherwise, create a new batch with the operation.
       const batch = new List([operation])
       undos = undos.push(batch)
     }
@@ -182,7 +180,6 @@ class History extends Record(DEFAULTS) {
   toJS() {
     return this.toJSON()
   }
-
 }
 
 /**
@@ -202,22 +199,16 @@ History.prototype[MODEL_TYPES.HISTORY] = true
 function shouldMerge(o, p) {
   if (!p) return false
 
-  const merge = (
-    (
-      o.type == 'set_selection' &&
-      p.type == 'set_selection'
-    ) || (
-      o.type == 'insert_text' &&
+  const merge =
+    (o.type == 'set_selection' && p.type == 'set_selection') ||
+    (o.type == 'insert_text' &&
       p.type == 'insert_text' &&
       o.offset == p.offset + p.text.length &&
-      isEqual(o.path, p.path)
-    ) || (
-      o.type == 'remove_text' &&
+      isEqual(o.path, p.path)) ||
+    (o.type == 'remove_text' &&
       p.type == 'remove_text' &&
       o.offset + o.text.length == p.offset &&
-      isEqual(o.path, p.path)
-    )
-  )
+      isEqual(o.path, p.path))
 
   return merge
 }
@@ -233,10 +224,7 @@ function shouldMerge(o, p) {
 function shouldSkip(o, p) {
   if (!p) return false
 
-  const skip = (
-    o.type == 'set_selection' &&
-    p.type == 'set_selection'
-  )
+  const skip = o.type == 'set_selection' && p.type == 'set_selection'
 
   return skip
 }
diff --git a/packages/slate/src/models/inline.js b/packages/slate/src/models/inline.js
index 6bcea0e60..29ebf4f57 100644
--- a/packages/slate/src/models/inline.js
+++ b/packages/slate/src/models/inline.js
@@ -1,4 +1,3 @@
-
 /**
  * Prevent circular dependencies.
  */
@@ -38,7 +37,6 @@ const DEFAULTS = {
  */
 
 class Inline extends Record(DEFAULTS) {
-
   /**
    * Create a new `Inline` with `attrs`.
    *
@@ -59,7 +57,9 @@ class Inline extends Record(DEFAULTS) {
       return Inline.fromJSON(attrs)
     }
 
-    throw new Error(`\`Inline.create\` only accepts objects, strings or inlines, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Inline.create\` only accepts objects, strings or inlines, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -75,7 +75,9 @@ class Inline extends Record(DEFAULTS) {
       return list
     }
 
-    throw new Error(`\`Inline.createList\` only accepts arrays or lists, but you passed it: ${elements}`)
+    throw new Error(
+      `\`Inline.createList\` only accepts arrays or lists, but you passed it: ${elements}`
+    )
   }
 
   /**
@@ -152,7 +154,10 @@ class Inline extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -206,7 +211,6 @@ class Inline extends Record(DEFAULTS) {
   toJS(options) {
     return this.toJSON(options)
   }
-
 }
 
 /**
@@ -219,7 +223,7 @@ Inline.prototype[MODEL_TYPES.INLINE] = true
  * Mix in `Node` methods.
  */
 
-Object.getOwnPropertyNames(Node.prototype).forEach((method) => {
+Object.getOwnPropertyNames(Node.prototype).forEach(method => {
   if (method == 'constructor') return
   Inline.prototype[method] = Node.prototype[method]
 })
diff --git a/packages/slate/src/models/leaf.js b/packages/slate/src/models/leaf.js
index 8aabad780..58fce24b8 100644
--- a/packages/slate/src/models/leaf.js
+++ b/packages/slate/src/models/leaf.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
 import { List, Record, Set } from 'immutable'
@@ -25,7 +24,6 @@ const DEFAULTS = {
  */
 
 class Leaf extends Record(DEFAULTS) {
-
   /**
    * Create a new `Leaf` with `attrs`.
    *
@@ -46,7 +44,9 @@ class Leaf extends Record(DEFAULTS) {
       return Leaf.fromJSON(attrs)
     }
 
-    throw new Error(`\`Leaf.create\` only accepts objects, strings or leaves, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Leaf.create\` only accepts objects, strings or leaves, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -62,7 +62,9 @@ class Leaf extends Record(DEFAULTS) {
       return list
     }
 
-    throw new Error(`\`Leaf.createList\` only accepts arrays or lists, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Leaf.createList\` only accepts arrays or lists, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -73,10 +75,7 @@ class Leaf extends Record(DEFAULTS) {
    */
 
   static fromJSON(object) {
-    const {
-      text = '',
-      marks = [],
-    } = object
+    const { text = '', marks = [] } = object
 
     const leaf = new Leaf({
       text,
@@ -125,7 +124,10 @@ class Leaf extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -137,14 +139,14 @@ class Leaf extends Record(DEFAULTS) {
 
   getCharacters() {
     const { marks } = this
-    const characters = Character.createList(this.text
-      .split('')
-      .map((char) => {
+    const characters = Character.createList(
+      this.text.split('').map(char => {
         return Character.create({
           text: char,
-          marks
+          marks,
         })
-      }))
+      })
+    )
 
     return characters
   }
@@ -172,7 +174,6 @@ class Leaf extends Record(DEFAULTS) {
   toJS() {
     return this.toJSON()
   }
-
 }
 
 /**
diff --git a/packages/slate/src/models/mark.js b/packages/slate/src/models/mark.js
index 5f6792597..c4f30dc40 100644
--- a/packages/slate/src/models/mark.js
+++ b/packages/slate/src/models/mark.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
 import { Map, Record, Set } from 'immutable'
@@ -25,7 +24,6 @@ const DEFAULTS = {
  */
 
 class Mark extends Record(DEFAULTS) {
-
   /**
    * Create a new `Mark` with `attrs`.
    *
@@ -46,7 +44,9 @@ class Mark extends Record(DEFAULTS) {
       return Mark.fromJSON(attrs)
     }
 
-    throw new Error(`\`Mark.create\` only accepts objects, strings or marks, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Mark.create\` only accepts objects, strings or marks, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -66,7 +66,9 @@ class Mark extends Record(DEFAULTS) {
       return new Set()
     }
 
-    throw new Error(`\`Mark.createSet\` only accepts sets, arrays or null, but you passed it: ${elements}`)
+    throw new Error(
+      `\`Mark.createSet\` only accepts sets, arrays or null, but you passed it: ${elements}`
+    )
   }
 
   /**
@@ -95,7 +97,9 @@ class Mark extends Record(DEFAULTS) {
       return props
     }
 
-    throw new Error(`\`Mark.createProperties\` only accepts objects, strings or marks, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Mark.createProperties\` only accepts objects, strings or marks, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -106,10 +110,7 @@ class Mark extends Record(DEFAULTS) {
    */
 
   static fromJSON(object) {
-    const {
-      data = {},
-      type,
-    } = object
+    const { data = {}, type } = object
 
     if (typeof type != 'string') {
       throw new Error('`Mark.fromJS` requires a `type` string.')
@@ -160,7 +161,10 @@ class Mark extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -198,7 +202,6 @@ class Mark extends Record(DEFAULTS) {
   toJS() {
     return this.toJSON()
   }
-
 }
 
 /**
@@ -211,9 +214,7 @@ Mark.prototype[MODEL_TYPES.MARK] = true
  * Memoize read methods.
  */
 
-memoize(Mark.prototype, [
-  'getComponent',
-], {
+memoize(Mark.prototype, ['getComponent'], {
   takesArguments: true,
 })
 
diff --git a/packages/slate/src/models/node.js b/packages/slate/src/models/node.js
index 9bcba188e..7e8c564c2 100644
--- a/packages/slate/src/models/node.js
+++ b/packages/slate/src/models/node.js
@@ -1,4 +1,3 @@
-
 import direction from 'direction'
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
@@ -24,7 +23,6 @@ import memoize from '../utils/memoize'
  */
 
 class Node {
-
   /**
    * Create a new `Node` with `attrs`.
    *
@@ -41,22 +39,31 @@ class Node {
       let { object } = attrs
 
       if (!object && attrs.kind) {
-        logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+        logger.deprecate(
+          'slate@0.32.0',
+          'The `kind` property of Slate objects has been renamed to `object`.'
+        )
         object = attrs.kind
       }
 
       switch (object) {
-        case 'block': return Block.create(attrs)
-        case 'document': return Document.create(attrs)
-        case 'inline': return Inline.create(attrs)
-        case 'text': return Text.create(attrs)
+        case 'block':
+          return Block.create(attrs)
+        case 'document':
+          return Document.create(attrs)
+        case 'inline':
+          return Inline.create(attrs)
+        case 'text':
+          return Text.create(attrs)
         default: {
           throw new Error('`Node.create` requires a `object` string.')
         }
       }
     }
 
-    throw new Error(`\`Node.create\` only accepts objects or nodes but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Node.create\` only accepts objects or nodes but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -72,7 +79,9 @@ class Node {
       return list
     }
 
-    throw new Error(`\`Node.createList\` only accepts lists or arrays, but you passed it: ${elements}`)
+    throw new Error(
+      `\`Node.createList\` only accepts lists or arrays, but you passed it: ${elements}`
+    )
   }
 
   /**
@@ -103,7 +112,9 @@ class Node {
       return props
     }
 
-    throw new Error(`\`Node.createProperties\` only accepts objects, strings, blocks or inlines, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Node.createProperties\` only accepts objects, strings, blocks or inlines, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -117,17 +128,26 @@ class Node {
     let { object } = value
 
     if (!object && value.kind) {
-      logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+      logger.deprecate(
+        'slate@0.32.0',
+        'The `kind` property of Slate objects has been renamed to `object`.'
+      )
       object = value.kind
     }
 
     switch (object) {
-      case 'block': return Block.fromJSON(value)
-      case 'document': return Document.fromJSON(value)
-      case 'inline': return Inline.fromJSON(value)
-      case 'text': return Text.fromJSON(value)
+      case 'block':
+        return Block.fromJSON(value)
+      case 'document':
+        return Document.fromJSON(value)
+      case 'inline':
+        return Inline.fromJSON(value)
+      case 'text':
+        return Text.fromJSON(value)
       default: {
-        throw new Error(`\`Node.fromJSON\` requires an \`object\` of either 'block', 'document', 'inline' or 'text', but you passed: ${value}`)
+        throw new Error(
+          `\`Node.fromJSON\` requires an \`object\` of either 'block', 'document', 'inline' or 'text', but you passed: ${value}`
+        )
       }
     }
   }
@@ -333,7 +353,7 @@ class Node {
     if (this.hasChild(key)) return List([this])
 
     let ancestors
-    this.nodes.find((node) => {
+    this.nodes.find(node => {
       if (node.object == 'text') return false
       ancestors = node.getAncestors(key)
       return ancestors
@@ -490,15 +510,13 @@ class Node {
     range = range.normalize(this)
     if (range.isUnset) return []
 
-    return this
-      .getTextsAtRange(range)
-      .reduce((arr, text) => {
-        const chars = text.characters
-          .filter((char, i) => isIndexInRange(i, text, range))
-          .toArray()
+    return this.getTextsAtRange(range).reduce((arr, text) => {
+      const chars = text.characters
+        .filter((char, i) => isIndexInRange(i, text, range))
+        .toArray()
 
-        return arr.concat(chars)
-      }, [])
+      return arr.concat(chars)
+    }, [])
   }
 
   /**
@@ -621,9 +639,7 @@ class Node {
   getDepth(key, startAt = 1) {
     this.assertDescendant(key)
     if (this.hasChild(key)) return startAt
-    return this
-      .getFurthestAncestor(key)
-      .getDepth(key, startAt + 1)
+    return this.getFurthestAncestor(key).getDepth(key, startAt + 1)
   }
 
   /**
@@ -635,10 +651,20 @@ class Node {
 
   getDescendant(key) {
     key = assertKey(key)
-    // Use the cache by getAncestors
-    const ancestors = this.getAncestors(key)
-    if (!ancestors || ancestors.size === 0) return null
-    return ancestors.last().getChild(key)
+    let descendantFound = null
+
+    const found = this.nodes.find(node => {
+      if (node.key === key) {
+        return node
+      } else if (node.object !== 'text') {
+        descendantFound = node.getDescendant(key)
+        return descendantFound
+      } else {
+        return false
+      }
+    })
+
+    return descendantFound || found
   }
 
   /**
@@ -669,7 +695,7 @@ class Node {
   getFirstText() {
     let descendantFound = null
 
-    const found = this.nodes.find((node) => {
+    const found = this.nodes.find(node => {
       if (node.object == 'text') return true
       descendantFound = node.getFirstText()
       return descendantFound
@@ -701,11 +727,10 @@ class Node {
     let previous
     let parent
 
-    while (parent = node.getParent(child.key)) {
+    while ((parent = node.getParent(child.key))) {
       const index = parent.nodes.indexOf(child)
-      const position = child.object == 'text'
-        ? startOffset
-        : child.nodes.indexOf(previous)
+      const position =
+        child.object == 'text' ? startOffset : child.nodes.indexOf(previous)
 
       parent = parent.splitNode(index, position)
       node = node.updateNode(parent)
@@ -715,11 +740,12 @@ class Node {
 
     child = startKey == endKey ? node.getNextText(startKey) : endText
 
-    while (parent = node.getParent(child.key)) {
+    while ((parent = node.getParent(child.key))) {
       const index = parent.nodes.indexOf(child)
-      const position = child.object == 'text'
-        ? startKey == endKey ? endOffset - startOffset : endOffset
-        : child.nodes.indexOf(previous)
+      const position =
+        child.object == 'text'
+          ? startKey == endKey ? endOffset - startOffset : endOffset
+          : child.nodes.indexOf(previous)
 
       parent = parent.splitNode(index, position)
       node = node.updateNode(parent)
@@ -728,10 +754,15 @@ class Node {
     }
 
     // Get the start and end nodes.
-    const startNode = node.getNextSibling(node.getFurthestAncestor(startKey).key)
-    const endNode = startKey == endKey
-      ? node.getNextSibling(node.getNextSibling(node.getFurthestAncestor(endKey).key).key)
-      : node.getNextSibling(node.getFurthestAncestor(endKey).key)
+    const startNode = node.getNextSibling(
+      node.getFurthestAncestor(startKey).key
+    )
+    const endNode =
+      startKey == endKey
+        ? node.getNextSibling(
+            node.getNextSibling(node.getFurthestAncestor(endKey).key).key
+          )
+        : node.getNextSibling(node.getFurthestAncestor(endKey).key)
 
     // Get children range of nodes from start to end nodes
     const startIndex = node.nodes.indexOf(startNode)
@@ -792,7 +823,7 @@ class Node {
 
   getFurthestAncestor(key) {
     key = assertKey(key)
-    return this.nodes.find((node) => {
+    return this.nodes.find(node => {
       if (node.key == key) return true
       if (node.object == 'text') return false
       return node.hasDescendant(key)
@@ -814,13 +845,16 @@ class Node {
       throw new Error(`Could not find a descendant node with key "${key}".`)
     }
 
-    return ancestors
-      // Skip this node...
-      .skipLast()
-      // Take parents until there are more than one child...
-      .reverse().takeUntil(p => p.nodes.size > 1)
-      // And pick the highest.
-      .last()
+    return (
+      ancestors
+        // Skip this node...
+        .skipLast()
+        // Take parents until there are more than one child...
+        .reverse()
+        .takeUntil(p => p.nodes.size > 1)
+        // And pick the highest.
+        .last()
+    )
   }
 
   /**
@@ -843,7 +877,7 @@ class Node {
   getInlinesAsArray() {
     let array = []
 
-    this.nodes.forEach((child) => {
+    this.nodes.forEach(child => {
       if (child.object == 'text') return
       if (child.isLeafInline()) {
         array.push(child)
@@ -879,8 +913,7 @@ class Node {
     range = range.normalize(this)
     if (range.isUnset) return []
 
-    return this
-      .getTextsAtRangeAsArray(range)
+    return this.getTextsAtRangeAsArray(range)
       .map(text => this.getClosestInline(text.key))
       .filter(exists => exists)
   }
@@ -926,7 +959,7 @@ class Node {
   getKeysAsArray() {
     const keys = []
 
-    this.forEachDescendant((desc) => {
+    this.forEachDescendant(desc => {
       keys.push(desc.key)
     })
 
@@ -953,7 +986,7 @@ class Node {
   getLastText() {
     let descendantFound = null
 
-    const found = this.nodes.findLast((node) => {
+    const found = this.nodes.findLast(node => {
       if (node.object == 'text') return true
       descendantFound = node.getLastText()
       return descendantFound
@@ -1056,12 +1089,10 @@ class Node {
     if (range.isUnset) return []
     if (range.isCollapsed) return this.getMarksAtCollaspsedRangeAsArray(range)
 
-    return this
-      .getCharactersAtRange(range)
-      .reduce((memo, char) => {
-        char.marks.toArray().forEach(c => memo.push(c))
-        return memo
-      }, [])
+    return this.getCharactersAtRange(range).reduce((memo, char) => {
+      char.marks.toArray().forEach(c => memo.push(c))
+      return memo
+    }, [])
   }
 
   /**
@@ -1124,7 +1155,7 @@ class Node {
 
     let memo = first.marks
 
-    chars.slice(1).forEach((char) => {
+    chars.slice(1).forEach(char => {
       memo = memo.intersect(char.marks)
       return memo.size != 0
     })
@@ -1206,8 +1237,7 @@ class Node {
     key = assertKey(key)
 
     const parent = this.getParent(key)
-    const after = parent.nodes
-      .skipUntil(child => child.key == key)
+    const after = parent.nodes.skipUntil(child => child.key == key)
 
     if (after.size == 0) {
       throw new Error(`Could not find a child node with key "${key}".`)
@@ -1269,9 +1299,7 @@ class Node {
       .reduce((memo, n) => memo + n.text.length, 0)
 
     // Recurse if need be.
-    return this.hasChild(key)
-      ? offset
-      : offset + child.getOffset(key)
+    return this.hasChild(key) ? offset : offset + child.getOffset(key)
   }
 
   /**
@@ -1308,7 +1336,7 @@ class Node {
 
     let node = null
 
-    this.nodes.find((child) => {
+    this.nodes.find(child => {
       if (child.object == 'text') {
         return false
       } else {
@@ -1332,7 +1360,7 @@ class Node {
     const ancestors = this.getAncestors(key)
     const path = []
 
-    ancestors.reverse().forEach((ancestor) => {
+    ancestors.reverse().forEach(ancestor => {
       const index = ancestor.nodes.indexOf(child)
       path.unshift(index)
       child = ancestor
@@ -1421,8 +1449,7 @@ class Node {
   getPreviousSibling(key) {
     key = assertKey(key)
     const parent = this.getParent(key)
-    const before = parent.nodes
-      .takeUntil(child => child.key == key)
+    const before = parent.nodes.takeUntil(child => child.key == key)
 
     if (before.size == parent.nodes.size) {
       throw new Error(`Could not find a child node with key "${key}".`)
@@ -1525,12 +1552,10 @@ class Node {
 
     let length = 0
 
-    return this
-      .getTexts()
-      .find((node, i, nodes) => {
-        length += node.text.length
-        return length > offset
-      })
+    return this.getTexts().find((node, i, nodes) => {
+      length += node.text.length
+      return length > offset
+    })
   }
 
   /**
@@ -1564,7 +1589,7 @@ class Node {
   getTextsAsArray() {
     let array = []
 
-    this.nodes.forEach((node) => {
+    this.nodes.forEach(node => {
       if (node.object == 'text') {
         array.push(node)
       } else {
@@ -1672,10 +1697,8 @@ class Node {
     }
 
     if (node.object != 'text') {
-      node = node.mapDescendants((desc) => {
-        return keys.contains(desc.key)
-          ? desc.regenerateKey()
-          : desc
+      node = node.mapDescendants(desc => {
+        return keys.contains(desc.key) ? desc.regenerateKey() : desc
       })
     }
 
@@ -1718,7 +1741,7 @@ class Node {
     const texts = node.getTextsAtRange(range)
     let memo = false
 
-    texts.forEach((text) => {
+    texts.forEach(text => {
       if (node.hasDescendant(text.key)) memo = true
       return memo
     })
@@ -1733,10 +1756,7 @@ class Node {
    */
 
   isLeafBlock() {
-    return (
-      this.object == 'block' &&
-      this.nodes.every(n => n.object != 'block')
-    )
+    return this.object == 'block' && this.nodes.every(n => n.object != 'block')
   }
 
   /**
@@ -1747,8 +1767,7 @@ class Node {
 
   isLeafInline() {
     return (
-      this.object == 'inline' &&
-      this.nodes.every(n => n.object != 'inline')
+      this.object == 'inline' && this.nodes.every(n => n.object != 'inline')
     )
   }
 
@@ -1768,17 +1787,19 @@ class Node {
     const two = node.nodes.get(index)
 
     if (one.object != two.object) {
-      throw new Error(`Tried to merge two nodes of different objects: "${one.object}" and "${two.object}".`)
+      throw new Error(
+        `Tried to merge two nodes of different objects: "${one.object}" and "${
+          two.object
+        }".`
+      )
     }
 
     // If the nodes are text nodes, concatenate their characters together.
     if (one.object == 'text') {
       const characters = one.characters.concat(two.characters)
       one = one.set('characters', characters)
-    }
-
-    // Otherwise, concatenate their child nodes together.
-    else {
+    } else {
+      // Otherwise, concatenate their child nodes together.
       const nodes = one.nodes.concat(two.nodes)
       one = one.set('nodes', nodes)
     }
@@ -1855,7 +1876,8 @@ class Node {
 
     let node = this
     let parent = node.getParent(key)
-    if (!parent) throw new Error(`Could not find a descendant node with key "${key}".`)
+    if (!parent)
+      throw new Error(`Could not find a descendant node with key "${key}".`)
 
     const index = parent.nodes.findIndex(n => n.key === key)
     const nodes = parent.nodes.splice(index, 1)
@@ -1898,11 +1920,9 @@ class Node {
       const afters = child.characters.skip(position)
       one = child.set('characters', befores)
       two = child.set('characters', afters).regenerateKey()
-    }
-
-    // Otherwise, if the child is not a text node, the `position` refers to the
-    // index at which to split its children.
-    else {
+    } else {
+      // Otherwise, if the child is not a text node, the `position` refers to the
+      // index at which to split its children.
       const befores = child.nodes.take(position)
       const afters = child.nodes.skip(position)
       one = child.set('nodes', befores)
@@ -1931,7 +1951,7 @@ class Node {
     let child = this.assertDescendant(node.key)
     const ancestors = this.getAncestors(node.key)
 
-    ancestors.reverse().forEach((parent) => {
+    ancestors.reverse().forEach(parent => {
       let { nodes } = parent
       const index = nodes.indexOf(child)
       child = parent
@@ -1953,7 +1973,6 @@ class Node {
   validate(schema) {
     return schema.validateNode(this)
   }
-
 }
 
 /**
@@ -1965,98 +1984,108 @@ class Node {
 
 function assertKey(arg) {
   if (typeof arg == 'string') return arg
-  throw new Error(`Invalid \`key\` argument! It must be a key string, but you passed: ${arg}`)
+  throw new Error(
+    `Invalid \`key\` argument! It must be a key string, but you passed: ${arg}`
+  )
 }
 
 /**
  * Memoize read methods.
  */
 
-memoize(Node.prototype, [
-  'getBlocks',
-  'getBlocksAsArray',
-  'getCharacters',
-  'getCharactersAsArray',
-  'getFirstText',
-  'getInlines',
-  'getInlinesAsArray',
-  'getKeys',
-  'getKeysAsArray',
-  'getLastText',
-  'getMarks',
-  'getOrderedMarks',
-  'getMarksAsArray',
-  'getText',
-  'getTextDirection',
-  'getTexts',
-  'getTextsAsArray',
-  'isLeafBlock',
-  'isLeafInline',
-], {
-  takesArguments: false
-})
+memoize(
+  Node.prototype,
+  [
+    'getBlocks',
+    'getBlocksAsArray',
+    'getCharacters',
+    'getCharactersAsArray',
+    'getFirstText',
+    'getInlines',
+    'getInlinesAsArray',
+    'getKeys',
+    'getKeysAsArray',
+    'getLastText',
+    'getMarks',
+    'getOrderedMarks',
+    'getMarksAsArray',
+    'getText',
+    'getTextDirection',
+    'getTexts',
+    'getTextsAsArray',
+    'isLeafBlock',
+    'isLeafInline',
+  ],
+  {
+    takesArguments: false,
+  }
+)
 
-memoize(Node.prototype, [
-  'areDescendantsSorted',
-  'getActiveMarksAtRange',
-  'getActiveMarksAtRangeAsArray',
-  'getAncestors',
-  'getBlocksAtRange',
-  'getBlocksAtRangeAsArray',
-  'getBlocksByType',
-  'getBlocksByTypeAsArray',
-  'getCharactersAtRange',
-  'getCharactersAtRangeAsArray',
-  'getChild',
-  'getClosestBlock',
-  'getClosestInline',
-  'getClosestVoid',
-  'getCommonAncestor',
-  'getDecorations',
-  'getDepth',
-  'getDescendant',
-  'getDescendantAtPath',
-  'getFragmentAtRange',
-  'getFurthestBlock',
-  'getFurthestInline',
-  'getFurthestAncestor',
-  'getFurthestOnlyChildAncestor',
-  'getInlinesAtRange',
-  'getInlinesAtRangeAsArray',
-  'getInlinesByType',
-  'getInlinesByTypeAsArray',
-  'getMarksAtRange',
-  'getInsertMarksAtRange',
-  'getOrderedMarksAtRange',
-  'getMarksAtRangeAsArray',
-  'getInsertMarksAtRangeAsArray',
-  'getMarksByType',
-  'getOrderedMarksByType',
-  'getMarksByTypeAsArray',
-  'getNextBlock',
-  'getNextSibling',
-  'getNextText',
-  'getNode',
-  'getNodeAtPath',
-  'getOffset',
-  'getOffsetAtRange',
-  'getParent',
-  'getPath',
-  'getPlaceholder',
-  'getPreviousBlock',
-  'getPreviousSibling',
-  'getPreviousText',
-  'getTextAtOffset',
-  'getTextsAtRange',
-  'getTextsAtRangeAsArray',
-  'hasChild',
-  'hasDescendant',
-  'hasNode',
-  'hasVoidParent',
-  'validate',
-], {
-  takesArguments: true
-})
+memoize(
+  Node.prototype,
+  [
+    'areDescendantsSorted',
+    'getActiveMarksAtRange',
+    'getActiveMarksAtRangeAsArray',
+    'getAncestors',
+    'getBlocksAtRange',
+    'getBlocksAtRangeAsArray',
+    'getBlocksByType',
+    'getBlocksByTypeAsArray',
+    'getCharactersAtRange',
+    'getCharactersAtRangeAsArray',
+    'getChild',
+    'getClosestBlock',
+    'getClosestInline',
+    'getClosestVoid',
+    'getCommonAncestor',
+    'getDecorations',
+    'getDepth',
+    'getDescendant',
+    'getDescendantAtPath',
+    'getFragmentAtRange',
+    'getFurthestBlock',
+    'getFurthestInline',
+    'getFurthestAncestor',
+    'getFurthestOnlyChildAncestor',
+    'getInlinesAtRange',
+    'getInlinesAtRangeAsArray',
+    'getInlinesByType',
+    'getInlinesByTypeAsArray',
+    'getMarksAtRange',
+    'getInsertMarksAtRange',
+    'getOrderedMarksAtRange',
+    'getMarksAtRangeAsArray',
+    'getInsertMarksAtRangeAsArray',
+    'getMarksByType',
+    'getOrderedMarksByType',
+    'getMarksByTypeAsArray',
+    'getNextBlock',
+    'getNextSibling',
+    'getNextText',
+    'getNode',
+    'getNodeAtPath',
+    'getOffset',
+    'getOffsetAtRange',
+    'getParent',
+    'getPath',
+    'getPlaceholder',
+    'getPreviousBlock',
+    'getPreviousSibling',
+    'getPreviousText',
+    'getTextAtOffset',
+    'getTextsAtRange',
+    'getTextsAtRangeAsArray',
+    'hasChild',
+    'hasDescendant',
+    'hasNode',
+    'hasVoidParent',
+    'validate',
+  ],
+  {
+    takesArguments: true,
+  }
+)
 
 /**
  * Export.
diff --git a/packages/slate/src/models/operation.js b/packages/slate/src/models/operation.js
index 2b10a4d1c..50807f0bb 100644
--- a/packages/slate/src/models/operation.js
+++ b/packages/slate/src/models/operation.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
 import { List, Record } from 'immutable'
@@ -40,7 +39,6 @@ const DEFAULTS = {
  */
 
 class Operation extends Record(DEFAULTS) {
-
   /**
    * Create a new `Operation` with `attrs`.
    *
@@ -57,7 +55,9 @@ class Operation extends Record(DEFAULTS) {
       return Operation.fromJSON(attrs)
     }
 
-    throw new Error(`\`Operation.create\` only accepts objects or operations, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Operation.create\` only accepts objects or operations, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -73,7 +73,9 @@ class Operation extends Record(DEFAULTS) {
       return list
     }
 
-    throw new Error(`\`Operation.createList\` only accepts arrays or lists, but you passed it: ${elements}`)
+    throw new Error(
+      `\`Operation.createList\` only accepts arrays or lists, but you passed it: ${elements}`
+    )
   }
 
   /**
@@ -93,7 +95,9 @@ class Operation extends Record(DEFAULTS) {
     const attrs = { type }
 
     if (!ATTRIBUTES) {
-      throw new Error(`\`Operation.fromJSON\` was passed an unrecognized operation type: "${type}"`)
+      throw new Error(
+        `\`Operation.fromJSON\` was passed an unrecognized operation type: "${type}"`
+      )
     }
 
     for (const key of ATTRIBUTES) {
@@ -107,7 +111,9 @@ class Operation extends Record(DEFAULTS) {
         if (key == 'value') continue
         if (key == 'node' && type != 'insert_node') continue
 
-        throw new Error(`\`Operation.fromJSON\` was passed a "${type}" operation without the required "${key}" attribute.`)
+        throw new Error(
+          `\`Operation.fromJSON\` was passed a "${type}" operation without the required "${key}" attribute.`
+        )
       }
 
       if (key == 'mark') {
@@ -147,15 +153,13 @@ class Operation extends Record(DEFAULTS) {
         v = Range.createProperties(rest)
 
         if (anchorKey !== undefined) {
-          v.anchorPath = anchorKey === null
-            ? null
-            : value.document.getPath(anchorKey)
+          v.anchorPath =
+            anchorKey === null ? null : value.document.getPath(anchorKey)
         }
 
         if (focusKey !== undefined) {
-          v.focusPath = focusKey === null
-            ? null
-            : value.document.getPath(focusKey)
+          v.focusPath =
+            focusKey === null ? null : value.document.getPath(focusKey)
         }
       }
 
@@ -213,7 +217,10 @@ class Operation extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -273,7 +280,8 @@ class Operation extends Record(DEFAULTS) {
         if ('focusPath' in value) v.focusPath = value.focusPath
         if ('isBackward' in value) v.isBackward = value.isBackward
         if ('isFocused' in value) v.isFocused = value.isFocused
-        if ('marks' in value) v.marks = value.marks == null ? null : value.marks.toJSON()
+        if ('marks' in value)
+          v.marks = value.marks == null ? null : value.marks.toJSON()
         value = v
       }
 
@@ -305,7 +313,6 @@ class Operation extends Record(DEFAULTS) {
   toJS(options) {
     return this.toJSON(options)
   }
-
 }
 
 /**
diff --git a/packages/slate/src/models/range.js b/packages/slate/src/models/range.js
index 66ea2e957..96c379a0f 100644
--- a/packages/slate/src/models/range.js
+++ b/packages/slate/src/models/range.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
 import { List, Record, Set } from 'immutable'
@@ -29,7 +28,6 @@ const DEFAULTS = {
  */
 
 class Range extends Record(DEFAULTS) {
-
   /**
    * Create a new `Range` with `attrs`.
    *
@@ -46,7 +44,9 @@ class Range extends Record(DEFAULTS) {
       return Range.fromJSON(attrs)
     }
 
-    throw new Error(`\`Range.create\` only accepts objects or ranges, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Range.create\` only accepts objects or ranges, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -62,7 +62,9 @@ class Range extends Record(DEFAULTS) {
       return list
     }
 
-    throw new Error(`\`Range.createList\` only accepts arrays or lists, but you passed it: ${elements}`)
+    throw new Error(
+      `\`Range.createList\` only accepts arrays or lists, but you passed it: ${elements}`
+    )
   }
 
   /**
@@ -95,11 +97,14 @@ class Range extends Record(DEFAULTS) {
       if ('focusPath' in attrs) props.focusPath = attrs.focusPath
       if ('isBackward' in attrs) props.isBackward = attrs.isBackward
       if ('isFocused' in attrs) props.isFocused = attrs.isFocused
-      if ('marks' in attrs) props.marks = attrs.marks == null ? null : Mark.createSet(attrs.marks)
+      if ('marks' in attrs)
+        props.marks = attrs.marks == null ? null : Mark.createSet(attrs.marks)
       return props
     }
 
-    throw new Error(`\`Range.createProperties\` only accepts objects or ranges, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Range.createProperties\` only accepts objects or ranges, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -161,7 +166,10 @@ class Range extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -183,8 +191,7 @@ class Range extends Record(DEFAULTS) {
 
   get isCollapsed() {
     return (
-      this.anchorKey == this.focusKey &&
-      this.anchorOffset == this.focusOffset
+      this.anchorKey == this.focusKey && this.anchorOffset == this.focusOffset
     )
   }
 
@@ -411,7 +418,7 @@ class Range extends Record(DEFAULTS) {
 
   focus() {
     return this.merge({
-      isFocused: true
+      isFocused: true,
     })
   }
 
@@ -423,7 +430,7 @@ class Range extends Record(DEFAULTS) {
 
   blur() {
     return this.merge({
-      isFocused: false
+      isFocused: false,
     })
   }
 
@@ -440,7 +447,7 @@ class Range extends Record(DEFAULTS) {
       focusKey: null,
       focusOffset: 0,
       isFocused: false,
-      isBackward: false
+      isBackward: false,
     })
   }
 
@@ -472,9 +479,8 @@ class Range extends Record(DEFAULTS) {
     const anchorOffset = this.anchorOffset + n
     return this.merge({
       anchorOffset,
-      isBackward: anchorKey == focusKey
-        ? anchorOffset > focusOffset
-        : isBackward
+      isBackward:
+        anchorKey == focusKey ? anchorOffset > focusOffset : isBackward,
     })
   }
 
@@ -490,9 +496,8 @@ class Range extends Record(DEFAULTS) {
     const focusOffset = this.focusOffset + n
     return this.merge({
       focusOffset,
-      isBackward: focusKey == anchorKey
-        ? anchorOffset > focusOffset
-        : isBackward
+      isBackward:
+        focusKey == anchorKey ? anchorOffset > focusOffset : isBackward,
     })
   }
 
@@ -509,9 +514,10 @@ class Range extends Record(DEFAULTS) {
     return this.merge({
       anchorKey: key,
       anchorOffset: offset,
-      isBackward: key == focusKey
-        ? offset > focusOffset
-        : key == anchorKey ? isBackward : null
+      isBackward:
+        key == focusKey
+          ? offset > focusOffset
+          : key == anchorKey ? isBackward : null,
     })
   }
 
@@ -528,9 +534,10 @@ class Range extends Record(DEFAULTS) {
     return this.merge({
       focusKey: key,
       focusOffset: offset,
-      isBackward: key == anchorKey
-        ? anchorOffset > offset
-        : key == focusKey ? isBackward : null
+      isBackward:
+        key == anchorKey
+          ? anchorOffset > offset
+          : key == focusKey ? isBackward : null,
     })
   }
 
@@ -544,9 +551,10 @@ class Range extends Record(DEFAULTS) {
   moveAnchorOffsetTo(anchorOffset) {
     return this.merge({
       anchorOffset,
-      isBackward: this.anchorKey == this.focusKey
-        ? anchorOffset > this.focusOffset
-        : this.isBackward
+      isBackward:
+        this.anchorKey == this.focusKey
+          ? anchorOffset > this.focusOffset
+          : this.isBackward,
     })
   }
 
@@ -560,9 +568,10 @@ class Range extends Record(DEFAULTS) {
   moveFocusOffsetTo(focusOffset) {
     return this.merge({
       focusOffset,
-      isBackward: this.anchorKey == this.focusKey
-        ? this.anchorOffset > focusOffset
-        : this.isBackward
+      isBackward:
+        this.anchorKey == this.focusKey
+          ? this.anchorOffset > focusOffset
+          : this.isBackward,
     })
   }
 
@@ -575,9 +584,7 @@ class Range extends Record(DEFAULTS) {
    */
 
   moveOffsetsTo(anchorOffset, focusOffset = anchorOffset) {
-    return this
-      .moveAnchorOffsetTo(anchorOffset)
-      .moveFocusOffsetTo(focusOffset)
+    return this.moveAnchorOffsetTo(anchorOffset).moveFocusOffsetTo(focusOffset)
   }
 
   /**
@@ -658,9 +665,7 @@ class Range extends Record(DEFAULTS) {
 
   moveToRangeOf(start, end = start) {
     const range = this.isBackward ? this.flip() : this
-    return range
-      .moveAnchorToStartOf(start)
-      .moveFocusToEndOf(end)
+    return range.moveAnchorToStartOf(start).moveFocusToEndOf(end)
   }
 
   /**
@@ -678,7 +683,9 @@ class Range extends Record(DEFAULTS) {
     const anchorOffsetType = typeof anchorOffset
     const focusOffsetType = typeof focusOffset
     if (anchorOffsetType != 'number' || focusOffsetType != 'number') {
-      logger.warn(`The range offsets should be numbers, but they were of type "${anchorOffsetType}" and "${focusOffsetType}".`)
+      logger.warn(
+        `The range offsets should be numbers, but they were of type "${anchorOffsetType}" and "${focusOffsetType}".`
+      )
     }
 
     // If the range is unset, make sure it is properly zeroed out.
@@ -698,7 +705,10 @@ class Range extends Record(DEFAULTS) {
 
     // If the range is malformed, warn and zero it out.
     if (!anchorNode || !focusNode) {
-      logger.warn('The range was invalid and was reset. The range in question was:', range)
+      logger.warn(
+        'The range was invalid and was reset. The range in question was:',
+        range
+      )
       const first = node.getFirstText()
       return range.merge({
         anchorKey: first ? first.key : null,
@@ -711,7 +721,10 @@ class Range extends Record(DEFAULTS) {
 
     // If the anchor node isn't a text node, match it to one.
     if (anchorNode.object != 'text') {
-      logger.warn('The range anchor was set to a Node that is not a Text node. This should not happen and can degrade performance. The node in question was:', anchorNode)
+      logger.warn(
+        'The range anchor was set to a Node that is not a Text node. This should not happen and can degrade performance. The node in question was:',
+        anchorNode
+      )
       const anchorText = anchorNode.getTextAtOffset(anchorOffset)
       const offset = anchorNode.getOffset(anchorText.key)
       anchorOffset = anchorOffset - offset
@@ -720,7 +733,10 @@ class Range extends Record(DEFAULTS) {
 
     // If the focus node isn't a text node, match it to one.
     if (focusNode.object != 'text') {
-      logger.warn('The range focus was set to a Node that is not a Text node. This should not happen and can degrade performance. The node in question was:', focusNode)
+      logger.warn(
+        'The range focus was set to a Node that is not a Text node. This should not happen and can degrade performance. The node in question was:',
+        focusNode
+      )
       const focusText = focusNode.getTextAtOffset(focusOffset)
       const offset = focusNode.getOffset(focusText.key)
       focusOffset = focusOffset - offset
@@ -742,7 +758,7 @@ class Range extends Record(DEFAULTS) {
       anchorOffset,
       focusKey: focusNode.key,
       focusOffset,
-      isBackward
+      isBackward,
     })
   }
 
@@ -761,7 +777,8 @@ class Range extends Record(DEFAULTS) {
       focusOffset: this.focusOffset,
       isBackward: this.isBackward,
       isFocused: this.isFocused,
-      marks: this.marks == null ? null : this.marks.toArray().map(m => m.toJSON()),
+      marks:
+        this.marks == null ? null : this.marks.toArray().map(m => m.toJSON()),
     }
 
     return object
@@ -774,7 +791,6 @@ class Range extends Record(DEFAULTS) {
   toJS() {
     return this.toJSON()
   }
-
 }
 
 /**
@@ -794,11 +810,9 @@ const MOVE_METHODS = [
   ['move', 'ToEndOf'],
 ]
 
-MOVE_METHODS.forEach(([ p, s ]) => {
-  Range.prototype[`${p}${s}`] = function (...args) {
-    return this
-      [`${p}Anchor${s}`](...args)
-      [`${p}Focus${s}`](...args)
+MOVE_METHODS.forEach(([p, s]) => {
+  Range.prototype[`${p}${s}`] = function(...args) {
+    return this[`${p}Anchor${s}`](...args)[`${p}Focus${s}`](...args)
   }
 })
 
@@ -818,24 +832,20 @@ const EDGE_METHODS = [
   ['move', 'OffsetTo'],
 ]
 
-EDGE_METHODS.forEach(([ p, s, hasEdge ]) => {
+EDGE_METHODS.forEach(([p, s, hasEdge]) => {
   const anchor = `${p}Anchor${s}`
   const focus = `${p}Focus${s}`
 
-  Range.prototype[`${p}Start${s}`] = function (...args) {
-    return this.isBackward
-      ? this[focus](...args)
-      : this[anchor](...args)
+  Range.prototype[`${p}Start${s}`] = function(...args) {
+    return this.isBackward ? this[focus](...args) : this[anchor](...args)
   }
 
-  Range.prototype[`${p}End${s}`] = function (...args) {
-    return this.isBackward
-      ? this[anchor](...args)
-      : this[focus](...args)
+  Range.prototype[`${p}End${s}`] = function(...args) {
+    return this.isBackward ? this[anchor](...args) : this[focus](...args)
   }
 
   if (hasEdge) {
-    Range.prototype[`${p}Edge${s}`] = function (...args) {
+    Range.prototype[`${p}Edge${s}`] = function(...args) {
       return this[anchor](...args) || this[focus](...args)
     }
   }
@@ -859,8 +869,8 @@ const ALIAS_METHODS = [
   ['extendToEndOf', 'moveFocusToEndOf'],
 ]
 
-ALIAS_METHODS.forEach(([ alias, method ]) => {
-  Range.prototype[alias] = function (...args) {
+ALIAS_METHODS.forEach(([alias, method]) => {
+  Range.prototype[alias] = function(...args) {
     return this[method](...args)
   }
 })
diff --git a/packages/slate/src/models/schema.js b/packages/slate/src/models/schema.js
index 9085f9902..8158ff5d9 100644
--- a/packages/slate/src/models/schema.js
+++ b/packages/slate/src/models/schema.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
@@ -55,7 +54,6 @@ const DEFAULTS = {
  */
 
 class Schema extends Record(DEFAULTS) {
-
   /**
    * Create a new `Schema` with `attrs`.
    *
@@ -72,7 +70,9 @@ class Schema extends Record(DEFAULTS) {
       return Schema.fromJSON(attrs)
     }
 
-    throw new Error(`\`Schema.create\` only accepts objects or schemas, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Schema.create\` only accepts objects or schemas, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -90,11 +90,15 @@ class Schema extends Record(DEFAULTS) {
     let { plugins } = object
 
     if (object.rules) {
-      throw new Error('Schemas in Slate have changed! They are no longer accept a `rules` property.')
+      throw new Error(
+        'Schemas in Slate have changed! They are no longer accept a `rules` property.'
+      )
     }
 
     if (object.nodes) {
-      throw new Error('Schemas in Slate have changed! They are no longer accept a `nodes` property.')
+      throw new Error(
+        'Schemas in Slate have changed! They are no longer accept a `nodes` property.'
+      )
     }
 
     if (!plugins) {
@@ -102,7 +106,7 @@ class Schema extends Record(DEFAULTS) {
     }
 
     const schema = resolveSchema(plugins)
-    const stack = Stack.create({ plugins: [ ...CORE_SCHEMA_RULES, ...plugins ] })
+    const stack = Stack.create({ plugins: [...CORE_SCHEMA_RULES, ...plugins] })
     const ret = new Schema({ ...schema, stack })
     return ret
   }
@@ -135,7 +139,10 @@ class Schema extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -148,9 +155,12 @@ class Schema extends Record(DEFAULTS) {
 
   getRule(object) {
     switch (object.object) {
-      case 'document': return this.document
-      case 'block': return this.blocks[object.type]
-      case 'inline': return this.inlines[object.type]
+      case 'document':
+        return this.document
+      case 'block':
+        return this.blocks[object.type]
+      case 'inline':
+        return this.inlines[object.type]
     }
   }
 
@@ -188,7 +198,7 @@ class Schema extends Record(DEFAULTS) {
    */
 
   fail(violation, context) {
-    return (change) => {
+    return change => {
       debug(`normalizing`, { violation, context })
       const { rule } = context
       const { size } = change.operations
@@ -216,7 +226,9 @@ class Schema extends Record(DEFAULTS) {
       case LAST_CHILD_OBJECT_INVALID:
       case LAST_CHILD_TYPE_INVALID: {
         const { child, node } = context
-        return child.object == 'text' && node.object == 'block' && node.nodes.size == 1
+        return child.object == 'text' &&
+          node.object == 'block' &&
+          node.nodes.size == 1
           ? change.removeNodeByKey(node.key)
           : change.removeNodeByKey(child.key)
       }
@@ -245,7 +257,9 @@ class Schema extends Record(DEFAULTS) {
 
       case NODE_MARK_INVALID: {
         const { node, mark } = context
-        return node.getTexts().forEach(t => change.removeMarkByKey(t.key, 0, t.text.length, mark))
+        return node
+          .getTexts()
+          .forEach(t => change.removeMarkByKey(t.key, 0, t.text.length, mark))
       }
     }
   }
@@ -365,15 +379,30 @@ class Schema extends Record(DEFAULTS) {
       }
 
       while (nextChild()) {
-        if (parents != null && child.object != 'text' && child.type in parents) {
+        if (
+          parents != null &&
+          child.object != 'text' &&
+          child.type in parents
+        ) {
           const r = parents[child.type]
 
-          if (r.parent.objects != null && !r.parent.objects.includes(node.object)) {
-            return this.fail(PARENT_OBJECT_INVALID, { node: child, parent: node, rule: r })
+          if (
+            r.parent.objects != null &&
+            !r.parent.objects.includes(node.object)
+          ) {
+            return this.fail(PARENT_OBJECT_INVALID, {
+              node: child,
+              parent: node,
+              rule: r,
+            })
           }
 
           if (r.parent.types != null && !r.parent.types.includes(node.type)) {
-            return this.fail(PARENT_TYPE_INVALID, { node: child, parent: node, rule: r })
+            return this.fail(PARENT_TYPE_INVALID, {
+              node: child,
+              parent: node,
+              rule: r,
+            })
           }
         }
 
@@ -436,7 +465,6 @@ class Schema extends Record(DEFAULTS) {
   toJS() {
     return this.toJSON()
   }
-
 }
 
 /**
@@ -453,34 +481,41 @@ function resolveSchema(plugins = []) {
     inlines: {},
   }
 
-  plugins.slice().reverse().forEach((plugin) => {
-    if (!plugin.schema) return
+  plugins
+    .slice()
+    .reverse()
+    .forEach(plugin => {
+      if (!plugin.schema) return
 
-    if (plugin.schema.rules) {
-      throw new Error('Schemas in Slate have changed! They are no longer accept a `rules` property.')
-    }
+      if (plugin.schema.rules) {
+        throw new Error(
+          'Schemas in Slate have changed! They are no longer accept a `rules` property.'
+        )
+      }
 
-    if (plugin.schema.nodes) {
-      throw new Error('Schemas in Slate have changed! They are no longer accept a `nodes` property.')
-    }
+      if (plugin.schema.nodes) {
+        throw new Error(
+          'Schemas in Slate have changed! They are no longer accept a `nodes` property.'
+        )
+      }
 
-    const { document = {}, blocks = {}, inlines = {}} = plugin.schema
-    const d = resolveDocumentRule(document)
-    const bs = {}
-    const is = {}
+      const { document = {}, blocks = {}, inlines = {} } = plugin.schema
+      const d = resolveDocumentRule(document)
+      const bs = {}
+      const is = {}
 
-    for (const key in blocks) {
-      bs[key] = resolveNodeRule('block', key, blocks[key])
-    }
+      for (const key in blocks) {
+        bs[key] = resolveNodeRule('block', key, blocks[key])
+      }
 
-    for (const key in inlines) {
-      is[key] = resolveNodeRule('inline', key, inlines[key])
-    }
+      for (const key in inlines) {
+        is[key] = resolveNodeRule('inline', key, inlines[key])
+      }
 
-    mergeWith(schema.document, d, customizer)
-    mergeWith(schema.blocks, bs, customizer)
-    mergeWith(schema.inlines, is, customizer)
-  })
+      mergeWith(schema.document, d, customizer)
+      mergeWith(schema.blocks, bs, customizer)
+      mergeWith(schema.inlines, is, customizer)
+    })
 
   return schema
 }
@@ -532,8 +567,8 @@ function resolveNodeRule(object, type, obj) {
  */
 
 function customizer(target, source, key) {
-  if (key == 'objects' || key == 'types') {
-    return target == null ? source : target.concat(source)
+  if (key == 'objects' || key == 'types') {
+    return target == null ? source : target.concat(source)
   } else {
     return source == null ? target : source
   }
@@ -549,9 +584,7 @@ Schema.prototype[MODEL_TYPES.SCHEMA] = true
  * Memoize read methods.
  */
 
-memoize(Schema.prototype, [
-  'getParentRules',
-], {
+memoize(Schema.prototype, ['getParentRules'], {
   takesArguments: true,
 })
 
diff --git a/packages/slate/src/models/stack.js b/packages/slate/src/models/stack.js
index 286b53108..37351458a 100644
--- a/packages/slate/src/models/stack.js
+++ b/packages/slate/src/models/stack.js
@@ -1,4 +1,3 @@
-
 import logger from 'slate-dev-logger'
 import { Record } from 'immutable'
 
@@ -22,7 +21,6 @@ const DEFAULTS = {
  */
 
 class Stack extends Record(DEFAULTS) {
-
   /**
    * Constructor.
    *
@@ -57,7 +55,10 @@ class Stack extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -133,7 +134,9 @@ class Stack extends Record(DEFAULTS) {
    */
 
   render(property, props, ...args) {
-    const plugins = this.getPluginsWith(property).slice().reverse()
+    const plugins = this.getPluginsWith(property)
+      .slice()
+      .reverse()
     let { children = null } = props
 
     for (const plugin of plugins) {
@@ -144,7 +147,6 @@ class Stack extends Record(DEFAULTS) {
 
     return children
   }
-
 }
 
 /**
@@ -157,9 +159,7 @@ Stack.prototype[MODEL_TYPES.STACK] = true
  * Memoize read methods.
  */
 
-memoize(Stack.prototype, [
-  'getPluginsWith',
-], {
+memoize(Stack.prototype, ['getPluginsWith'], {
   takesArguments: true,
 })
 
diff --git a/packages/slate/src/models/text.js b/packages/slate/src/models/text.js
index 324cca4fa..29c8fc21f 100644
--- a/packages/slate/src/models/text.js
+++ b/packages/slate/src/models/text.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
 import { List, OrderedSet, Record, Set, is } from 'immutable'
@@ -28,7 +27,6 @@ const DEFAULTS = {
  */
 
 class Text extends Record(DEFAULTS) {
-
   /**
    * Create a new `Text` with `attrs`.
    *
@@ -54,7 +52,9 @@ class Text extends Record(DEFAULTS) {
       return Text.fromJSON(attrs)
     }
 
-    throw new Error(`\`Text.create\` only accepts objects, arrays, strings or texts, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Text.create\` only accepts objects, arrays, strings or texts, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -70,7 +70,9 @@ class Text extends Record(DEFAULTS) {
       return list
     }
 
-    throw new Error(`\`Text.createList\` only accepts arrays or lists, but you passed it: ${elements}`)
+    throw new Error(
+      `\`Text.createList\` only accepts arrays or lists, but you passed it: ${elements}`
+    )
   }
 
   /**
@@ -85,10 +87,7 @@ class Text extends Record(DEFAULTS) {
       return object
     }
 
-    const {
-      leaves = [],
-      key = generateKey(),
-    } = object
+    const { leaves = [], key = generateKey() } = object
 
     const characters = leaves
       .map(Leaf.fromJSON)
@@ -141,7 +140,10 @@ class Text extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -215,7 +217,7 @@ class Text extends Record(DEFAULTS) {
     // PERF: Exit early if there are no characters to be decorated.
     if (characters.size == 0) return characters
 
-    decorations.forEach((range) => {
+    decorations.forEach(range => {
       const { startKey, endKey, startOffset, endOffset, marks } = range
       const hasStart = startKey == key
       const hasEnd = endKey == key
@@ -256,10 +258,8 @@ class Text extends Record(DEFAULTS) {
     // If there are no characters, return one empty range.
     if (characters.size == 0) {
       leaves.push({})
-    }
-
-    // Otherwise, loop the characters and build the leaves...
-    else {
+    } else {
+      // Otherwise, loop the characters and build the leaves...
       characters.forEach((char, i) => {
         const { marks, text } = char
 
@@ -342,9 +342,7 @@ class Text extends Record(DEFAULTS) {
    */
 
   getNode(key) {
-    return this.key == key
-      ? this
-      : null
+    return this.key == key ? this : null
   }
 
   /**
@@ -369,9 +367,12 @@ class Text extends Record(DEFAULTS) {
 
   insertText(index, text, marks) {
     let { characters } = this
-    const chars = Character.createList(text.split('').map(char => ({ text: char, marks })))
+    const chars = Character.createList(
+      text.split('').map(char => ({ text: char, marks }))
+    )
 
-    characters = characters.slice(0, index)
+    characters = characters
+      .slice(0, index)
       .concat(chars)
       .concat(characters.slice(index))
 
@@ -437,7 +438,9 @@ class Text extends Record(DEFAULTS) {
   toJSON(options = {}) {
     const object = {
       object: this.object,
-      leaves: this.getLeaves().toArray().map(r => r.toJSON()),
+      leaves: this.getLeaves()
+        .toArray()
+        .map(r => r.toJSON()),
     }
 
     if (options.preserveKeys) {
@@ -492,7 +495,6 @@ class Text extends Record(DEFAULTS) {
   validate(schema) {
     return schema.validateNode(this)
   }
-
 }
 
 /**
@@ -505,22 +507,23 @@ Text.prototype[MODEL_TYPES.TEXT] = true
  * Memoize read methods.
  */
 
-memoize(Text.prototype, [
-  'getMarks',
-  'getMarksAsArray',
-], {
+memoize(Text.prototype, ['getMarks', 'getMarksAsArray'], {
   takesArguments: false,
 })
 
-memoize(Text.prototype, [
-  'getDecoratedCharacters',
-  'getDecorations',
-  'getLeaves',
-  'getMarksAtIndex',
-  'validate'
-], {
-  takesArguments: true,
-})
+memoize(
+  Text.prototype,
+  [
+    'getDecoratedCharacters',
+    'getDecorations',
+    'getLeaves',
+    'getMarksAtIndex',
+    'validate',
+  ],
+  {
+    takesArguments: true,
+  }
+)
 
 /**
  * Export.
diff --git a/packages/slate/src/models/value.js b/packages/slate/src/models/value.js
index 44dc2b149..59c5bcf49 100644
--- a/packages/slate/src/models/value.js
+++ b/packages/slate/src/models/value.js
@@ -1,4 +1,3 @@
-
 import isPlainObject from 'is-plain-object'
 import logger from 'slate-dev-logger'
 import { Record, Set, List, Map } from 'immutable'
@@ -33,7 +32,6 @@ const DEFAULTS = {
  */
 
 class Value extends Record(DEFAULTS) {
-
   /**
    * Create a new `Value` with `attrs`.
    *
@@ -51,7 +49,9 @@ class Value extends Record(DEFAULTS) {
       return Value.fromJSON(attrs)
     }
 
-    throw new Error(`\`Value.create\` only accepts objects or values, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Value.create\` only accepts objects or values, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -73,12 +73,15 @@ class Value extends Record(DEFAULTS) {
     if (isPlainObject(attrs)) {
       const props = {}
       if ('data' in attrs) props.data = Data.create(attrs.data)
-      if ('decorations' in attrs) props.decorations = Range.createList(attrs.decorations)
+      if ('decorations' in attrs)
+        props.decorations = Range.createList(attrs.decorations)
       if ('schema' in attrs) props.schema = Schema.create(attrs.schema)
       return props
     }
 
-    throw new Error(`\`Value.createProperties\` only accepts objects or values, but you passed it: ${attrs}`)
+    throw new Error(
+      `\`Value.createProperties\` only accepts objects or values, but you passed it: ${attrs}`
+    )
   }
 
   /**
@@ -92,11 +95,7 @@ class Value extends Record(DEFAULTS) {
    */
 
   static fromJSON(object, options = {}) {
-    let {
-      document = {},
-      selection = {},
-      schema = {},
-    } = object
+    let { document = {}, selection = {}, schema = {} } = object
 
     let data = new Map()
 
@@ -163,7 +162,10 @@ class Value extends Record(DEFAULTS) {
   }
 
   get kind() {
-    logger.deprecate('slate@0.32.0', 'The `kind` property of Slate objects has been renamed to `object`.')
+    logger.deprecate(
+      'slate@0.32.0',
+      'The `kind` property of Slate objects has been renamed to `object`.'
+    )
     return this.object
   }
 
@@ -540,7 +542,8 @@ class Value extends Record(DEFAULTS) {
   get activeMarks() {
     return this.selection.isUnset
       ? new Set()
-      : this.selection.marks || this.document.getActiveMarksAtRange(this.selection)
+      : this.selection.marks ||
+          this.document.getActiveMarksAtRange(this.selection)
   }
 
   /**
@@ -643,7 +646,9 @@ class Value extends Record(DEFAULTS) {
     }
 
     if (options.preserveDecorations) {
-      object.decorations = this.decorations ? this.decorations.toArray().map(d => d.toJSON()) : null
+      object.decorations = this.decorations
+        ? this.decorations.toArray().map(d => d.toJSON())
+        : null
     }
 
     if (options.preserveHistory) {
@@ -660,8 +665,12 @@ class Value extends Record(DEFAULTS) {
 
     if (options.preserveSelection && !options.preserveKeys) {
       const { document, selection } = this
-      object.selection.anchorPath = selection.isSet ? document.getPath(selection.anchorKey) : null
-      object.selection.focusPath = selection.isSet ? document.getPath(selection.focusKey) : null
+      object.selection.anchorPath = selection.isSet
+        ? document.getPath(selection.anchorKey)
+        : null
+      object.selection.focusPath = selection.isSet
+        ? document.getPath(selection.focusKey)
+        : null
       delete object.selection.anchorKey
       delete object.selection.focusKey
     }
@@ -676,7 +685,6 @@ class Value extends Record(DEFAULTS) {
   toJS(options) {
     return this.toJSON(options)
   }
-
 }
 
 /**
diff --git a/packages/slate/src/operations/apply.js b/packages/slate/src/operations/apply.js
index 6be000570..b354552a9 100644
--- a/packages/slate/src/operations/apply.js
+++ b/packages/slate/src/operations/apply.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 
 import Operation from '../models/operation'
@@ -18,7 +17,6 @@ const debug = Debug('slate:operation:apply')
  */
 
 const APPLIERS = {
-
   /**
    * Add mark to text at `offset` and `length` in node by `path`.
    *
@@ -97,7 +95,9 @@ const APPLIERS = {
 
   merge_node(value, operation) {
     const { path } = operation
-    const withPath = path.slice(0, path.length - 1).concat([path[path.length - 1] - 1])
+    const withPath = path
+      .slice(0, path.length - 1)
+      .concat([path[path.length - 1] - 1])
     let { document, selection } = value
     const one = document.assertPath(withPath)
     const two = document.assertPath(path)
@@ -116,12 +116,18 @@ const APPLIERS = {
       let normalize = false
 
       if (anchorKey == two.key) {
-        selection = selection.moveAnchorTo(one.key, one.text.length + anchorOffset)
+        selection = selection.moveAnchorTo(
+          one.key,
+          one.text.length + anchorOffset
+        )
         normalize = true
       }
 
       if (focusKey == two.key) {
-        selection = selection.moveFocusTo(one.key, one.text.length + focusOffset)
+        selection = selection.moveFocusTo(
+          one.key,
+          one.text.length + focusOffset
+        )
         normalize = true
       }
 
@@ -163,24 +169,20 @@ const APPLIERS = {
     // If the old path and the rest of the new path are the same, then the new
     // target is the old parent.
     if (
-      (oldParentPath.every((x, i) => x === newParentPath[i])) &&
-      (oldParentPath.length === newParentPath.length)
+      oldParentPath.every((x, i) => x === newParentPath[i]) &&
+      oldParentPath.length === newParentPath.length
     ) {
       target = parent
-    }
-
-    // Otherwise, if the old path removal resulted in the new path being no longer
-    // correct, we need to decrement the new path at the old path's last index.
-    else if (
-      (oldParentPath.every((x, i) => x === newParentPath[i])) &&
-      (oldIndex < newParentPath[oldParentPath.length])
+    } else if (
+      oldParentPath.every((x, i) => x === newParentPath[i]) &&
+      oldIndex < newParentPath[oldParentPath.length]
     ) {
+      // Otherwise, if the old path removal resulted in the new path being no longer
+      // correct, we need to decrement the new path at the old path's last index.
       newParentPath[oldParentPath.length]--
       target = document.assertPath(newParentPath)
-    }
-
-    // Otherwise, we can just grab the target normally...
-    else {
+    } else {
+      // Otherwise, we can just grab the target normally...
       target = document.assertPath(newParentPath)
     }
 
@@ -359,11 +361,13 @@ const APPLIERS = {
     let { document, selection } = value
 
     if (anchorPath !== undefined) {
-      props.anchorKey = anchorPath === null ? null : document.assertPath(anchorPath).key
+      props.anchorKey =
+        anchorPath === null ? null : document.assertPath(anchorPath).key
     }
 
     if (focusPath !== undefined) {
-      props.focusKey = focusPath === null ? null : document.assertPath(focusPath).key
+      props.focusKey =
+        focusPath === null ? null : document.assertPath(focusPath).key
     }
 
     selection = selection.merge(props)
@@ -440,7 +444,6 @@ const APPLIERS = {
     value = value.set('document', document).set('selection', selection)
     return value
   },
-
 }
 
 /**
diff --git a/packages/slate/src/operations/index.js b/packages/slate/src/operations/index.js
index 967a2aa96..bf84bb7d0 100644
--- a/packages/slate/src/operations/index.js
+++ b/packages/slate/src/operations/index.js
@@ -1,4 +1,3 @@
-
 import apply from './apply'
 import invert from './invert'
 
diff --git a/packages/slate/src/operations/invert.js b/packages/slate/src/operations/invert.js
index ddbc6cd1b..40245e810 100644
--- a/packages/slate/src/operations/invert.js
+++ b/packages/slate/src/operations/invert.js
@@ -1,4 +1,3 @@
-
 import Debug from 'debug'
 import pick from 'lodash/pick'
 
@@ -56,10 +55,13 @@ function invertOperation(op) {
 
     // If the node's old position was a left sibling of an ancestor of
     // its new position, we need to adjust part of the path by -1.
-    if (path.length < inversePath.length &&
-        path.slice(0, pathLast).every((e, i) => e == inversePath[i]) &&
-        path[pathLast] < inversePath[pathLast]) {
-      inversePath = inversePath.slice(0, pathLast)
+    if (
+      path.length < inversePath.length &&
+      path.slice(0, pathLast).every((e, i) => e == inversePath[i]) &&
+      path[pathLast] < inversePath[pathLast]
+    ) {
+      inversePath = inversePath
+        .slice(0, pathLast)
         .concat([inversePath[pathLast] - 1])
         .concat(inversePath.slice(pathLast + 1, inversePath.length))
     }
@@ -67,10 +69,13 @@ function invertOperation(op) {
     // If the node's new position is an ancestor of the old position,
     // or a left sibling of an ancestor of its old position, we need
     // to adjust part of the path by 1.
-    if (newPath.length < inverseNewPath.length &&
-        newPath.slice(0, newPathLast).every((e, i) => e == inverseNewPath[i]) &&
-        newPath[newPathLast] <= inverseNewPath[newPathLast]) {
-      inverseNewPath = inverseNewPath.slice(0, newPathLast)
+    if (
+      newPath.length < inverseNewPath.length &&
+      newPath.slice(0, newPathLast).every((e, i) => e == inverseNewPath[i]) &&
+      newPath[newPathLast] <= inverseNewPath[newPathLast]
+    ) {
+      inverseNewPath = inverseNewPath
+        .slice(0, newPathLast)
         .concat([inverseNewPath[newPathLast] + 1])
         .concat(inverseNewPath.slice(newPathLast + 1, inverseNewPath.length))
     }
@@ -113,7 +118,9 @@ function invertOperation(op) {
     const { properties, node } = op
     const inverseNode = node.merge(properties)
     const inverseProperties = pick(node, Object.keys(properties))
-    const inverse = op.set('node', inverseNode).set('properties', inverseProperties)
+    const inverse = op
+      .set('node', inverseNode)
+      .set('properties', inverseProperties)
     return inverse
   }
 
@@ -161,7 +168,9 @@ function invertOperation(op) {
     const { properties, mark } = op
     const inverseMark = mark.merge(properties)
     const inverseProperties = pick(mark, Object.keys(properties))
-    const inverse = op.set('mark', inverseMark).set('properties', inverseProperties)
+    const inverse = op
+      .set('mark', inverseMark)
+      .set('properties', inverseProperties)
     return inverse
   }
 
@@ -175,35 +184,37 @@ function invertOperation(op) {
     const { document } = value
 
     if (anchorPath !== undefined) {
-      props.anchorKey = anchorPath === null
-        ? null
-        : document.assertPath(anchorPath).key
+      props.anchorKey =
+        anchorPath === null ? null : document.assertPath(anchorPath).key
     }
 
     if (focusPath !== undefined) {
-      props.focusKey = focusPath === null
-        ? null
-        : document.assertPath(focusPath).key
+      props.focusKey =
+        focusPath === null ? null : document.assertPath(focusPath).key
     }
 
     const inverseSelection = selection.merge(props)
     const inverseProps = pick(selection, Object.keys(props))
 
     if (anchorPath !== undefined) {
-      inverseProps.anchorPath = inverseProps.anchorKey === null
-        ? null
-        : document.getPath(inverseProps.anchorKey)
+      inverseProps.anchorPath =
+        inverseProps.anchorKey === null
+          ? null
+          : document.getPath(inverseProps.anchorKey)
       delete inverseProps.anchorKey
     }
 
     if (focusPath !== undefined) {
-      inverseProps.focusPath = inverseProps.focusKey === null
-        ? null
-        : document.getPath(inverseProps.focusKey)
+      inverseProps.focusPath =
+        inverseProps.focusKey === null
+          ? null
+          : document.getPath(inverseProps.focusKey)
       delete inverseProps.focusKey
     }
 
-    const inverse = op.set('selection', inverseSelection).set('properties', inverseProps)
+    const inverse = op
+      .set('selection', inverseSelection)
+      .set('properties', inverseProps)
     return inverse
   }
 
@@ -215,7 +226,9 @@ function invertOperation(op) {
     const { properties, value } = op
     const inverseValue = value.merge(properties)
     const inverseProperties = pick(value, Object.keys(properties))
-    const inverse = op.set('value', inverseValue).set('properties', inverseProperties)
+    const inverse = op
+      .set('value', inverseValue)
+      .set('properties', inverseProperties)
     return inverse
   }
 }
diff --git a/packages/slate/src/utils/generate-key.js b/packages/slate/src/utils/generate-key.js
index 90240d12e..62fae4f81 100644
--- a/packages/slate/src/utils/generate-key.js
+++ b/packages/slate/src/utils/generate-key.js
@@ -1,4 +1,3 @@
-
 /**
  * An auto-incrementing index for generating keys.
  *
@@ -56,8 +55,4 @@ resetKeyGenerator()
  * @type {Object}
  */
 
-export {
-  generateKey as default,
-  setKeyGenerator,
-  resetKeyGenerator
-}
+export { generateKey as default, setKeyGenerator, resetKeyGenerator }
diff --git a/packages/slate/src/utils/is-index-in-range.js b/packages/slate/src/utils/is-index-in-range.js
index 837a136e0..39decf945 100644
--- a/packages/slate/src/utils/is-index-in-range.js
+++ b/packages/slate/src/utils/is-index-in-range.js
@@ -1,4 +1,3 @@
-
 /**
  * Check if an `index` of a `text` node is in a `range`.
  *
diff --git a/packages/slate/src/utils/is-react-component.js b/packages/slate/src/utils/is-react-component.js
index a879c69ea..21e2bdcf1 100644
--- a/packages/slate/src/utils/is-react-component.js
+++ b/packages/slate/src/utils/is-react-component.js
@@ -1,4 +1,3 @@
-
 /**
  * Check if an `object` is a React component.
  *
@@ -7,11 +6,7 @@
  */
 
 function isReactComponent(object) {
-  return (
-    object &&
-    object.prototype &&
-    object.prototype.isReactComponent
-  )
+  return object && object.prototype && object.prototype.isReactComponent
 }
 
 /**
diff --git a/packages/slate/src/utils/memoize.js b/packages/slate/src/utils/memoize.js
index 6d7791b92..c6ed27cc2 100644
--- a/packages/slate/src/utils/memoize.js
+++ b/packages/slate/src/utils/memoize.js
@@ -1,15 +1,13 @@
-
 /**
  * Is in development?
  *
  * @type {Boolean}
  */
 
-const IS_DEV = (
+const IS_DEV =
   typeof process !== 'undefined' &&
   process.env &&
   process.env.NODE_ENV !== 'production'
-)
 
 /**
  * GLOBAL: True if memoization should is enabled. Only effective when `IS_DEV`.
@@ -72,7 +70,7 @@ function memoize(object, properties, options = {}) {
       throw new Error(`Object does not have a property named "${property}".`)
     }
 
-    object[property] = function (...args) {
+    object[property] = function(...args) {
       if (IS_DEV) {
         // If memoization is disabled, call into the original method.
         if (!ENABLED) return original.apply(this, args)
@@ -199,8 +197,4 @@ function __enable(enabled) {
  * @type {Object}
  */
 
-export {
-  memoize as default,
-  __clear,
-  __enable
-}
+export { memoize as default, __clear, __enable }
diff --git a/packages/slate/src/utils/string.js b/packages/slate/src/utils/string.js
index eff8b65cd..060c57942 100644
--- a/packages/slate/src/utils/string.js
+++ b/packages/slate/src/utils/string.js
@@ -1,4 +1,3 @@
-
 import { reverse } from 'esrever'
 
 /**
@@ -7,8 +6,8 @@ import { reverse } from 'esrever'
  * @type {Number}
  */
 
-const SURROGATE_START = 0xD800
-const SURROGATE_END = 0xDFFF
+const SURROGATE_START = 0xd800
+const SURROGATE_END = 0xdfff
 
 /**
  * A regex to match space characters.
@@ -78,9 +77,7 @@ function isWord(char, remaining) {
  */
 
 function getCharLength(char) {
-  return isSurrogate(char.charCodeAt(0))
-    ? 2
-    : 1
+  return isSurrogate(char.charCodeAt(0)) ? 2 : 1
 }
 
 /**
@@ -135,7 +132,7 @@ function getWordOffset(text) {
   let started = false
   let char
 
-  while (char = text.charAt(i)) {
+  while ((char = text.charAt(i))) {
     const l = getCharLength(char)
     char = text.slice(i, i + l)
     const rest = text.slice(i + l)
@@ -194,5 +191,5 @@ export default {
   getCharOffsetForward,
   getCharOffsetBackward,
   getWordOffsetBackward,
-  getWordOffsetForward
+  getWordOffsetForward,
 }
diff --git a/packages/slate/test/changes/at-current-range/add-mark/across-blocks.js b/packages/slate/test/changes/at-current-range/add-mark/across-blocks.js
index 07a3f2a12..11f760cb4 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark('bold')
 }
 
@@ -23,10 +23,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wo<anchor /><b>rd</b>
+        wo<anchor />
+        <b>rd</b>
       </paragraph>
       <paragraph>
-        <b>an</b><focus />other
+        <b>an</b>
+        <focus />other
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/across-inlines.js b/packages/slate/test/changes/at-current-range/add-mark/across-inlines.js
index 061abc35e..095cbf980 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark('bold')
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -24,12 +28,14 @@ export const output = (
     <document>
       <paragraph>
         <link>
-          wo<anchor /><b>rd</b>
+          wo<anchor />
+          <b>rd</b>
         </link>
       </paragraph>
       <paragraph>
         <link>
-          <b>an</b><focus />other
+          <b>an</b>
+          <focus />other
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/collapsed-selection.js b/packages/slate/test/changes/at-current-range/add-mark/collapsed-selection.js
index 572c09dab..c8991b0d0 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/collapsed-selection.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/collapsed-selection.js
@@ -2,10 +2,8 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change
-    .addMark('bold')
-    .insertText('a')
+export default function(change) {
+  change.addMark('bold').insertText('a')
 }
 
 export const input = (
@@ -22,7 +20,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <b>a</b><cursor />word
+        <b>a</b>
+        <cursor />word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/existing-marks.js b/packages/slate/test/changes/at-current-range/add-mark/existing-marks.js
index a1e7db82e..afdd2635e 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/existing-marks.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/existing-marks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark('bold')
 }
 
@@ -10,7 +10,10 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><i>wo<focus />rd</i>
+        <anchor />
+        <i>
+          wo<focus />rd
+        </i>
       </paragraph>
     </document>
   </value>
@@ -20,7 +23,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b><i>wo</i></b><focus /><i>rd</i>
+        <anchor />
+        <b>
+          <i>wo</i>
+        </b>
+        <focus />
+        <i>rd</i>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/first-character.js b/packages/slate/test/changes/at-current-range/add-mark/first-character.js
index 524d06446..6c5cdc8ae 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/first-character.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>w</b><focus />ord
+        <anchor />
+        <b>w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/last-character.js b/packages/slate/test/changes/at-current-range/add-mark/last-character.js
index 197aa641f..f53697732 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/last-character.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wor<anchor /><b>d</b><focus />
+        wor<anchor />
+        <b>d</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/middle-character.js b/packages/slate/test/changes/at-current-range/add-mark/middle-character.js
index 59ee28278..2b0982a25 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/middle-character.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<anchor /><b>o</b><focus />rd
+        w<anchor />
+        <b>o</b>
+        <focus />rd
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/whole-word.js b/packages/slate/test/changes/at-current-range/add-mark/whole-word.js
index ab94b3282..a32a95c24 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/whole-word.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/whole-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>word</b><focus />
+        <anchor />
+        <b>word</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/with-mark-object.js b/packages/slate/test/changes/at-current-range/add-mark/with-mark-object.js
index eb72c4566..b39f3d10b 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/with-mark-object.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/with-mark-object.js
@@ -4,12 +4,13 @@ import h from '../../../helpers/h'
 
 import { Mark } from '../../../..'
 
-
-export default function (change) {
-  change.addMark(Mark.create({
-    type: 'bold',
-    data: { thing: 'value' }
-  }))
+export default function(change) {
+  change.addMark(
+    Mark.create({
+      type: 'bold',
+      data: { thing: 'value' },
+    })
+  )
 }
 
 export const input = (
@@ -26,7 +27,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b thing="value">w</b><focus />ord
+        <anchor />
+        <b thing="value">w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-mark/with-plain-object.js b/packages/slate/test/changes/at-current-range/add-mark/with-plain-object.js
index e9cf55d42..60291bcae 100644
--- a/packages/slate/test/changes/at-current-range/add-mark/with-plain-object.js
+++ b/packages/slate/test/changes/at-current-range/add-mark/with-plain-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMark({
     type: 'bold',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -23,7 +23,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b thing="value">w</b><focus />ord
+        <anchor />
+        <b thing="value">w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/across-blocks.js b/packages/slate/test/changes/at-current-range/add-marks/across-blocks.js
index 84d3e3705..9b1bef99b 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMarks(['bold', 'italic'])
 }
 
@@ -23,10 +23,16 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wo<anchor /><i><b>rd</b></i>
+        wo<anchor />
+        <i>
+          <b>rd</b>
+        </i>
       </paragraph>
       <paragraph>
-        <i><b>an</b></i><focus />other
+        <i>
+          <b>an</b>
+        </i>
+        <focus />other
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/across-inlines.js b/packages/slate/test/changes/at-current-range/add-marks/across-inlines.js
index a70c1bfde..04a31271f 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMarks(['bold', 'italic'])
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -24,12 +28,18 @@ export const output = (
     <document>
       <paragraph>
         <link>
-          wo<anchor /><i><b>rd</b></i>
+          wo<anchor />
+          <i>
+            <b>rd</b>
+          </i>
         </link>
       </paragraph>
       <paragraph>
         <link>
-          <i><b>an</b></i><focus />other
+          <i>
+            <b>an</b>
+          </i>
+          <focus />other
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/collapsed-selection.js b/packages/slate/test/changes/at-current-range/add-marks/collapsed-selection.js
index 1786ecfd8..39cc194dd 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/collapsed-selection.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/collapsed-selection.js
@@ -2,10 +2,8 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change
-    .addMarks(['bold', 'italic'])
-    .insertText('a')
+export default function(change) {
+  change.addMarks(['bold', 'italic']).insertText('a')
 }
 
 export const input = (
@@ -22,7 +20,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <i><b>a</b></i><cursor />word
+        <i>
+          <b>a</b>
+        </i>
+        <cursor />word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/existing-marks.js b/packages/slate/test/changes/at-current-range/add-marks/existing-marks.js
index 84ffecc1e..8ba16a851 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/existing-marks.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/existing-marks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMarks(['bold', 'underline'])
 }
 
@@ -10,7 +10,10 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><i>wo<focus />rd</i>
+        <anchor />
+        <i>
+          wo<focus />rd
+        </i>
       </paragraph>
     </document>
   </value>
@@ -20,7 +23,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><u><b><i>wo</i></b></u><focus /><i>rd</i>
+        <anchor />
+        <u>
+          <b>
+            <i>wo</i>
+          </b>
+        </u>
+        <focus />
+        <i>rd</i>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/first-character.js b/packages/slate/test/changes/at-current-range/add-marks/first-character.js
index a38b37bf7..20db8ef85 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/first-character.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMarks(['bold', 'italic'])
 }
 
@@ -20,7 +20,11 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><i><b>w</b></i><focus />ord
+        <anchor />
+        <i>
+          <b>w</b>
+        </i>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/last-character.js b/packages/slate/test/changes/at-current-range/add-marks/last-character.js
index 0a1958ee5..6b6205131 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/last-character.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMarks(['bold', 'italic'])
 }
 
@@ -20,7 +20,11 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wor<anchor /><i><b>d</b></i><focus />
+        wor<anchor />
+        <i>
+          <b>d</b>
+        </i>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/middle-character.js b/packages/slate/test/changes/at-current-range/add-marks/middle-character.js
index c93680e99..ac96b7e35 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/middle-character.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMarks(['bold', 'italic'])
 }
 
@@ -20,7 +20,11 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<anchor /><i><b>o</b></i><focus />rd
+        w<anchor />
+        <i>
+          <b>o</b>
+        </i>
+        <focus />rd
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/whole-word.js b/packages/slate/test/changes/at-current-range/add-marks/whole-word.js
index 3d4de7b48..eba575791 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/whole-word.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/whole-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.addMarks(['bold', 'italic'])
 }
 
@@ -20,7 +20,11 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><i><b>word</b></i><focus />
+        <anchor />
+        <i>
+          <b>word</b>
+        </i>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/with-mark-object.js b/packages/slate/test/changes/at-current-range/add-marks/with-mark-object.js
index 16fa88d63..4c562f3a3 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/with-mark-object.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/with-mark-object.js
@@ -4,18 +4,21 @@ import h from '../../../helpers/h'
 
 import { Mark } from '../../../..'
 
-
-export default function (change) {
+export default function(change) {
   const marks = []
 
-  marks.push(Mark.create({
-    type: 'bold',
-    data: { thing: 'value' }
-  }))
-  marks.push(Mark.create({
-    type: 'italic',
-    data: { thing2: 'value2' }
-  }))
+  marks.push(
+    Mark.create({
+      type: 'bold',
+      data: { thing: 'value' },
+    })
+  )
+  marks.push(
+    Mark.create({
+      type: 'italic',
+      data: { thing2: 'value2' },
+    })
+  )
 
   change.addMarks(marks)
 }
@@ -34,7 +37,11 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><i thing2="value2"><b thing="value">w</b></i><focus />ord
+        <anchor />
+        <i thing2="value2">
+          <b thing="value">w</b>
+        </i>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/add-marks/with-plain-object.js b/packages/slate/test/changes/at-current-range/add-marks/with-plain-object.js
index 474471519..a759e2b2c 100644
--- a/packages/slate/test/changes/at-current-range/add-marks/with-plain-object.js
+++ b/packages/slate/test/changes/at-current-range/add-marks/with-plain-object.js
@@ -2,16 +2,16 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   const marks = []
 
   marks.push({
     type: 'bold',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
   marks.push({
     type: 'italic',
-    data: { thing2: 'value2' }
+    data: { thing2: 'value2' },
   })
 
   change.addMarks(marks)
@@ -31,7 +31,11 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><i thing2="value2"><b thing="value">w</b></i><focus />ord
+        <anchor />
+        <i thing2="value2">
+          <b thing="value">w</b>
+        </i>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/empty-after-void-block.js b/packages/slate/test/changes/at-current-range/delete-backward/empty-after-void-block.js
index 94567ab5c..b8fa5f419 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/empty-after-void-block.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/empty-after-void-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -21,7 +21,8 @@ export const output = (
   <value>
     <document>
       <image>
-        {' '}<cursor />
+        {' '}
+        <cursor />
       </image>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/first-character.js b/packages/slate/test/changes/at-current-range/delete-backward/first-character.js
index 8c47250d7..ded9ed370 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/first-character.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/inline-after.js b/packages/slate/test/changes/at-current-range/delete-backward/inline-after.js
index 3fa4ee366..a4c9b00d0 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/inline-after.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/inline-after.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -20,7 +20,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        one<link>two</link><cursor />
+        one<link>two</link>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/inline-before.js b/packages/slate/test/changes/at-current-range/delete-backward/inline-before.js
index 5128fa649..41ab7461d 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/inline-before.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/inline-before.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        a<cursor /><link>two</link>
+        a<cursor />
+        <link>two</link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +21,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <cursor /><link>two</link>
+        <cursor />
+        <link>two</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/inline-end.js b/packages/slate/test/changes/at-current-range/delete-backward/inline-end.js
index b55620b88..bbc07648c 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/inline-end.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/inline-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<link>two</link><cursor />
+        one<link>two</link>
+        <cursor />
       </paragraph>
     </document>
   </value>
@@ -20,7 +21,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        one<link>tw</link><cursor />
+        one<link>tw</link>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/inline-inside.js b/packages/slate/test/changes/at-current-range/delete-backward/inline-inside.js
index 8532a4f9e..27b4080e5 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/inline-inside.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/inline-inside.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<link>a<cursor /></link>two
+        one<link>
+          a<cursor />
+        </link>two
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline-void.js b/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline-void.js
index 299bb9851..e7eac5d12 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline-void.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -23,7 +23,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <emoji /><cursor />word
+        <emoji />
+        <cursor />word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline.js b/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline.js
index 728776b7c..c25ab3cd5 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/join-blocks-with-inline.js
@@ -2,16 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <paragraph>
         <cursor />two<link>three</link>four
       </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/join-blocks.js b/packages/slate/test/changes/at-current-range/delete-backward/join-blocks.js
index c233f6928..514565144 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/join-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/join-blocks.js
@@ -2,16 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <paragraph>
         <cursor />another
       </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/join-nested-blocks.js b/packages/slate/test/changes/at-current-range/delete-backward/join-nested-blocks.js
index 55eabe2c7..de7c3b174 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/join-nested-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/join-nested-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
@@ -10,9 +10,7 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          word
-        </paragraph>
+        <paragraph>word</paragraph>
         <paragraph>
           <cursor />another
         </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/last-character.js b/packages/slate/test/changes/at-current-range/delete-backward/last-character.js
index 9f5866676..199d98b59 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/last-character.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/middle-character.js b/packages/slate/test/changes/at-current-range/delete-backward/middle-character.js
index c2d5284fb..7009b5bd5 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/middle-character.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/multiple-characters.js b/packages/slate/test/changes/at-current-range/delete-backward/multiple-characters.js
index a7be1c430..6250fd527 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/multiple-characters.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/multiple-characters.js
@@ -2,14 +2,16 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward(3)
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>word<cursor /></paragraph>
+      <paragraph>
+        word<cursor />
+      </paragraph>
     </document>
   </value>
 )
@@ -17,7 +19,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>w<cursor /></paragraph>
+      <paragraph>
+        w<cursor />
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/single-non-void-block.js b/packages/slate/test/changes/at-current-range/delete-backward/single-non-void-block.js
index 840647c3e..816545ef7 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/single-non-void-block.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/single-non-void-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/single-void-block.js b/packages/slate/test/changes/at-current-range/delete-backward/single-void-block.js
index 3a4232402..3bcf69115 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/single-void-block.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/single-void-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-backward/start-of-document.js b/packages/slate/test/changes/at-current-range/delete-backward/start-of-document.js
index e736812aa..59e800f76 100644
--- a/packages/slate/test/changes/at-current-range/delete-backward/start-of-document.js
+++ b/packages/slate/test/changes/at-current-range/delete-backward/start-of-document.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-after-emoji.js b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-after-emoji.js
index fcae94f2d..b535832f6 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-after-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-after-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharBackward()
 }
 
@@ -20,7 +20,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>word</link><cursor />
+        <link>word</link>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-end-emoji.js b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-end-emoji.js
index 29df9e0cd..46d2f19b2 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-end-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-end-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharBackward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>word📛<cursor /></link>
+        <link>
+          word📛<cursor />
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>word<cursor /></link>
+        <link>
+          word<cursor />
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-inside-emoji.js b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-inside-emoji.js
index babe36067..b85c2ccda 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-inside-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-inside-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharBackward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wor📛<cursor />d</link>
+        <link>
+          wor📛<cursor />d
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wor<cursor />d</link>
+        <link>
+          wor<cursor />d
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-only-emoji.js b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-only-emoji.js
index 9b274e867..4f6691789 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-backward/inline-only-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-backward/inline-only-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharBackward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>📛<cursor /></link>
+        <link>
+          📛<cursor />
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-char-backward/text-end.js b/packages/slate/test/changes/at-current-range/delete-char-backward/text-end.js
index d8f6f6185..21ed969f9 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-backward/text-end.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-backward/text-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-char-backward/text-middle.js b/packages/slate/test/changes/at-current-range/delete-char-backward/text-middle.js
index c3a6d9f66..f320ce47b 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-backward/text-middle.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-backward/text-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-char-backward/text-start.js b/packages/slate/test/changes/at-current-range/delete-char-backward/text-start.js
index dc89dc050..e9d2309ee 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-backward/text-start.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-backward/text-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-char-forward/inline-before-emoji.js b/packages/slate/test/changes/at-current-range/delete-char-forward/inline-before-emoji.js
index d2a3c8fd8..82a88a377 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-forward/inline-before-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-forward/inline-before-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharForward()
 }
 
@@ -20,7 +20,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <cursor /><link>word</link>
+        <cursor />
+        <link>word</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-char-forward/inline-middle-emoji.js b/packages/slate/test/changes/at-current-range/delete-char-forward/inline-middle-emoji.js
index 6fd71cd5a..a8cb79f15 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-forward/inline-middle-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-forward/inline-middle-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharForward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor />📛rd</link>
+        <link>
+          wo<cursor />📛rd
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor />rd</link>
+        <link>
+          wo<cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-char-forward/inline-start-emoji.js b/packages/slate/test/changes/at-current-range/delete-char-forward/inline-start-emoji.js
index 10d6a282e..c17394cda 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-forward/inline-start-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-forward/inline-start-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharForward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />📛word</link>
+        <link>
+          <cursor />📛word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-char-forward/text-last.js b/packages/slate/test/changes/at-current-range/delete-char-forward/text-last.js
index 4d2ee57b5..2200c5468 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-forward/text-last.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-forward/text-last.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-char-forward/text-middle.js b/packages/slate/test/changes/at-current-range/delete-char-forward/text-middle.js
index eae6f82f8..4cac26a63 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-forward/text-middle.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-forward/text-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-char-forward/text-start.js b/packages/slate/test/changes/at-current-range/delete-char-forward/text-start.js
index 8b9795de3..7d56bc20a 100644
--- a/packages/slate/test/changes/at-current-range/delete-char-forward/text-start.js
+++ b/packages/slate/test/changes/at-current-range/delete-char-forward/text-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteCharForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/before-inline-sibling.js b/packages/slate/test/changes/at-current-range/delete-forward/before-inline-sibling.js
index 5a2b5410b..7bba5592b 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/before-inline-sibling.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/before-inline-sibling.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<link>two</link><cursor />a
+        one<link>two</link>
+        <cursor />a
       </paragraph>
     </document>
   </value>
@@ -20,7 +21,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        one<link>two</link><cursor />
+        one<link>two</link>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/empty-before-void-block.js b/packages/slate/test/changes/at-current-range/delete-forward/empty-before-void-block.js
index ec06ef54d..aafb1633a 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/empty-before-void-block.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/empty-before-void-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/end-of-document.js b/packages/slate/test/changes/at-current-range/delete-forward/end-of-document.js
index 04a854c55..b8efee8b1 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/end-of-document.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/end-of-document.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/first-character.js b/packages/slate/test/changes/at-current-range/delete-forward/first-character.js
index 3731542a2..c660e43c8 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/first-character.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/inside-inline-sibling.js b/packages/slate/test/changes/at-current-range/delete-forward/inside-inline-sibling.js
index 767a517a9..2a671e971 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/inside-inline-sibling.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/inside-inline-sibling.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<link><cursor />a</link>two
+        one<link>
+          <cursor />a
+        </link>two
       </paragraph>
     </document>
   </value>
@@ -19,7 +21,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>one<cursor />two</paragraph>
+      <paragraph>
+        one<cursor />two
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline-void.js b/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline-void.js
index 65b4c820c..f1338635f 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline-void.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
@@ -23,7 +23,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        word<cursor /><emoji />
+        word<cursor />
+        <emoji />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline.js b/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline.js
index 7eeec87ff..0b9e04603 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/join-blocks-with-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/join-blocks.js b/packages/slate/test/changes/at-current-range/delete-forward/join-blocks.js
index dfedf0eea..7d072bfdf 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/join-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/join-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <paragraph>
         word<cursor />
       </paragraph>
-      <paragraph>
-        another
-      </paragraph>
+      <paragraph>another</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/join-nested-blocks.js b/packages/slate/test/changes/at-current-range/delete-forward/join-nested-blocks.js
index 7bf884674..cc0bbe9fb 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/join-nested-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/join-nested-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
@@ -13,9 +13,7 @@ export const input = (
         <paragraph>
           word<cursor />
         </paragraph>
-        <paragraph>
-          another
-        </paragraph>
+        <paragraph>another</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/last-character.js b/packages/slate/test/changes/at-current-range/delete-forward/last-character.js
index d3090f544..fc87dd2e4 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/last-character.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/middle-character.js b/packages/slate/test/changes/at-current-range/delete-forward/middle-character.js
index bd92e00f3..6870506b7 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/middle-character.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/multiple-characters.js b/packages/slate/test/changes/at-current-range/delete-forward/multiple-characters.js
index 6b31148c3..dc5e413cf 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/multiple-characters.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/multiple-characters.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward(3)
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/single-non-void-block.js b/packages/slate/test/changes/at-current-range/delete-forward/single-non-void-block.js
index cd1cdd036..3f3ab1e45 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/single-non-void-block.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/single-non-void-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/single-void-block.js b/packages/slate/test/changes/at-current-range/delete-forward/single-void-block.js
index 570003b29..8f6884519 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/single-void-block.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/single-void-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-forward/start-text-middle-inline.js b/packages/slate/test/changes/at-current-range/delete-forward/start-text-middle-inline.js
index 2864250dd..bd536ff9b 100644
--- a/packages/slate/test/changes/at-current-range/delete-forward/start-text-middle-inline.js
+++ b/packages/slate/test/changes/at-current-range/delete-forward/start-text-middle-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteForward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor />one<link>t<focus />wo</link>
+        <anchor />one<link>
+          t<focus />wo
+        </link>
       </paragraph>
     </document>
   </value>
@@ -21,7 +23,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><link><focus />wo</link>
+        <anchor />
+        <link>
+          <focus />wo
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-line-backward/inline-middle-emoji.js b/packages/slate/test/changes/at-current-range/delete-line-backward/inline-middle-emoji.js
index f3c6f80e5..95edeaecc 100644
--- a/packages/slate/test/changes/at-current-range/delete-line-backward/inline-middle-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-line-backward/inline-middle-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteLineBackward()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one <link>wo📛rd</link><cursor />
+        one <link>wo📛rd</link>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-line-backward/inline-multi-voids.js b/packages/slate/test/changes/at-current-range/delete-line-backward/inline-multi-voids.js
index 4ab17db47..97d721cfe 100644
--- a/packages/slate/test/changes/at-current-range/delete-line-backward/inline-multi-voids.js
+++ b/packages/slate/test/changes/at-current-range/delete-line-backward/inline-multi-voids.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteLineBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-line-backward/inline-void-first.js b/packages/slate/test/changes/at-current-range/delete-line-backward/inline-void-first.js
index 60535175f..6499e7f4d 100644
--- a/packages/slate/test/changes/at-current-range/delete-line-backward/inline-void-first.js
+++ b/packages/slate/test/changes/at-current-range/delete-line-backward/inline-void-first.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteLineBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-line-backward/text-end.js b/packages/slate/test/changes/at-current-range/delete-line-backward/text-end.js
index 2398db8ea..80d67d796 100644
--- a/packages/slate/test/changes/at-current-range/delete-line-backward/text-end.js
+++ b/packages/slate/test/changes/at-current-range/delete-line-backward/text-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteLineBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-line-backward/word-middle.js b/packages/slate/test/changes/at-current-range/delete-line-backward/word-middle.js
index 315dfe2ec..595a7f16d 100644
--- a/packages/slate/test/changes/at-current-range/delete-line-backward/word-middle.js
+++ b/packages/slate/test/changes/at-current-range/delete-line-backward/word-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteLineBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-word-backward/inline-after-emoji.js b/packages/slate/test/changes/at-current-range/delete-word-backward/inline-after-emoji.js
index 9001fc554..29a7d358d 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-backward/inline-after-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-backward/inline-after-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-word-backward/inline-middle-emoji.js b/packages/slate/test/changes/at-current-range/delete-word-backward/inline-middle-emoji.js
index 904529011..82cdaf138 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-backward/inline-middle-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-backward/inline-middle-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordBackward()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo📛rd<cursor /></link>
+        <link>
+          wo📛rd<cursor />
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-word-backward/text-end.js b/packages/slate/test/changes/at-current-range/delete-word-backward/text-end.js
index 6f7aefb01..31e2b116d 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-backward/text-end.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-backward/text-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-word-backward/word-middle.js b/packages/slate/test/changes/at-current-range/delete-word-backward/word-middle.js
index 5bc3ede08..151c21935 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-backward/word-middle.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-backward/word-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordBackward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-word-forward/inline-after-emoji.js b/packages/slate/test/changes/at-current-range/delete-word-forward/inline-after-emoji.js
index db7aab712..4258d8c39 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-forward/inline-after-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-forward/inline-after-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordForward()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <cursor /><link>word</link>📛
+        <cursor />
+        <link>word</link>📛
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-word-forward/inline-middle-emoji.js b/packages/slate/test/changes/at-current-range/delete-word-forward/inline-middle-emoji.js
index bd2aea511..7e4bb3cd0 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-forward/inline-middle-emoji.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-forward/inline-middle-emoji.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordForward()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <cursor /><link>wo📛rd</link>
+        <cursor />
+        <link>wo📛rd</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete-word-forward/word-middle.js b/packages/slate/test/changes/at-current-range/delete-word-forward/word-middle.js
index 4f3f0b99f..9a892b831 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-forward/word-middle.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-forward/word-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete-word-forward/word-start.js b/packages/slate/test/changes/at-current-range/delete-word-forward/word-start.js
index 08b009770..d1d4bd846 100644
--- a/packages/slate/test/changes/at-current-range/delete-word-forward/word-start.js
+++ b/packages/slate/test/changes/at-current-range/delete-word-forward/word-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.deleteWordForward()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/across-blocks-inlines.js b/packages/slate/test/changes/at-current-range/delete/across-blocks-inlines.js
index 1651a9fe7..44570cae8 100644
--- a/packages/slate/test/changes/at-current-range/delete/across-blocks-inlines.js
+++ b/packages/slate/test/changes/at-current-range/delete/across-blocks-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,7 +27,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor /></link>
+        <link>
+          wo<cursor />
+        </link>
         <link>other</link>
       </paragraph>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/delete/across-depths.js b/packages/slate/test/changes/at-current-range/delete/across-depths.js
index 23ff0719e..d7c722ac2 100644
--- a/packages/slate/test/changes/at-current-range/delete/across-depths.js
+++ b/packages/slate/test/changes/at-current-range/delete/across-depths.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/across-nested-blocks.js b/packages/slate/test/changes/at-current-range/delete/across-nested-blocks.js
index a570d8f15..0d10323a2 100644
--- a/packages/slate/test/changes/at-current-range/delete/across-nested-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete/across-nested-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -13,17 +13,13 @@ export const input = (
         <paragraph>
           one<anchor />
         </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>two</paragraph>
       </quote>
       <quote>
         <paragraph>
           <focus />three
         </paragraph>
-        <paragraph>
-          four
-        </paragraph>
+        <paragraph>four</paragraph>
       </quote>
     </document>
   </value>
@@ -38,9 +34,7 @@ export const output = (
         </paragraph>
       </quote>
       <quote>
-        <paragraph>
-          four
-        </paragraph>
+        <paragraph>four</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete/across-texts-and-inlines.js b/packages/slate/test/changes/at-current-range/delete/across-texts-and-inlines.js
index 44a25e553..d57ebc9d1 100644
--- a/packages/slate/test/changes/at-current-range/delete/across-texts-and-inlines.js
+++ b/packages/slate/test/changes/at-current-range/delete/across-texts-and-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/before-inline-sibling.js b/packages/slate/test/changes/at-current-range/delete/before-inline-sibling.js
index 9d0fa7f7b..b9122478b 100644
--- a/packages/slate/test/changes/at-current-range/delete/before-inline-sibling.js
+++ b/packages/slate/test/changes/at-current-range/delete/before-inline-sibling.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<link>two</link><anchor />a<focus />
+        one<link>two</link>
+        <anchor />a<focus />
       </paragraph>
     </document>
   </value>
@@ -20,7 +21,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        one<link>two</link><cursor />
+        one<link>two</link>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete/first-character.js b/packages/slate/test/changes/at-current-range/delete/first-character.js
index 2215c41c4..c25036a52 100644
--- a/packages/slate/test/changes/at-current-range/delete/first-character.js
+++ b/packages/slate/test/changes/at-current-range/delete/first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/hanging-selection-multiple-blocks.js b/packages/slate/test/changes/at-current-range/delete/hanging-selection-multiple-blocks.js
index 9455bb03b..dc3d6409a 100644
--- a/packages/slate/test/changes/at-current-range/delete/hanging-selection-multiple-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete/hanging-selection-multiple-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <paragraph>
         <anchor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
       <quote>
         <focus />three
       </quote>
diff --git a/packages/slate/test/changes/at-current-range/delete/hanging-selection-single-block.js b/packages/slate/test/changes/at-current-range/delete/hanging-selection-single-block.js
index 3b2364eed..1fe732486 100644
--- a/packages/slate/test/changes/at-current-range/delete/hanging-selection-single-block.js
+++ b/packages/slate/test/changes/at-current-range/delete/hanging-selection-single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/inside-inline-sibling.js b/packages/slate/test/changes/at-current-range/delete/inside-inline-sibling.js
index 2f0de19f8..92489226b 100644
--- a/packages/slate/test/changes/at-current-range/delete/inside-inline-sibling.js
+++ b/packages/slate/test/changes/at-current-range/delete/inside-inline-sibling.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<link><anchor />a<focus /></link>two
+        one<link>
+          <anchor />a<focus />
+        </link>two
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete/join-blocks-and-trim.js b/packages/slate/test/changes/at-current-range/delete/join-blocks-and-trim.js
index 381657d0f..2a1e64779 100644
--- a/packages/slate/test/changes/at-current-range/delete/join-blocks-and-trim.js
+++ b/packages/slate/test/changes/at-current-range/delete/join-blocks-and-trim.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/join-blocks-with-inlines.js b/packages/slate/test/changes/at-current-range/delete/join-blocks-with-inlines.js
index 9d1c9f32f..87ad29f98 100644
--- a/packages/slate/test/changes/at-current-range/delete/join-blocks-with-inlines.js
+++ b/packages/slate/test/changes/at-current-range/delete/join-blocks-with-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/join-blocks.js b/packages/slate/test/changes/at-current-range/delete/join-blocks.js
index f08b5ec54..e1554ec5e 100644
--- a/packages/slate/test/changes/at-current-range/delete/join-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete/join-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/join-double-nested-blocks.js b/packages/slate/test/changes/at-current-range/delete/join-double-nested-blocks.js
index f87c08a15..1ecdb0443 100644
--- a/packages/slate/test/changes/at-current-range/delete/join-double-nested-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete/join-double-nested-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/join-nested-blocks.js b/packages/slate/test/changes/at-current-range/delete/join-nested-blocks.js
index e6cc7a72c..f4dfb063d 100644
--- a/packages/slate/test/changes/at-current-range/delete/join-nested-blocks.js
+++ b/packages/slate/test/changes/at-current-range/delete/join-nested-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/last-character.js b/packages/slate/test/changes/at-current-range/delete/last-character.js
index efbe5a43a..ccb9cd9d4 100644
--- a/packages/slate/test/changes/at-current-range/delete/last-character.js
+++ b/packages/slate/test/changes/at-current-range/delete/last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/middle-character.js b/packages/slate/test/changes/at-current-range/delete/middle-character.js
index ebf5f36ec..00d6f67ef 100644
--- a/packages/slate/test/changes/at-current-range/delete/middle-character.js
+++ b/packages/slate/test/changes/at-current-range/delete/middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/delete/nested-block.js b/packages/slate/test/changes/at-current-range/delete/nested-block.js
index 462f79c68..3488b7c7c 100644
--- a/packages/slate/test/changes/at-current-range/delete/nested-block.js
+++ b/packages/slate/test/changes/at-current-range/delete/nested-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -13,9 +13,7 @@ export const input = (
         wo<anchor />rd
       </paragraph>
       <paragraph>
-        <paragraph>
-          middle
-        </paragraph>
+        <paragraph>middle</paragraph>
         <paragraph>
           an<focus />other
         </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-only-non-void.js b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-only-non-void.js
index c01eb7686..24b87ec32 100644
--- a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-only-non-void.js
+++ b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-only-non-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -15,9 +15,7 @@ export const input = (
       <image>
         <focus />{' '}
       </image>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -28,9 +26,7 @@ export const output = (
       <image>
         <cursor />
       </image>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-up-to-start-of-void.js b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-up-to-start-of-void.js
index 167268574..7526cac6b 100644
--- a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-up-to-start-of-void.js
+++ b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-up-to-start-of-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -15,9 +15,7 @@ export const input = (
       <image>
         <focus />{' '}
       </image>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
@@ -28,9 +26,7 @@ export const output = (
       <paragraph>
         on<cursor />
       </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-void.js b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-void.js
index d36c117b2..94f39ab3f 100644
--- a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-void.js
+++ b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void-and-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -13,11 +13,10 @@ export const input = (
         on<anchor />e
       </paragraph>
       <image>
-        {' '}<focus />
+        {' '}
+        <focus />
       </image>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
@@ -28,9 +27,7 @@ export const output = (
       <paragraph>
         on<cursor />
       </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void.js b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void.js
index 7fe4c1036..b36e52852 100644
--- a/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void.js
+++ b/packages/slate/test/changes/at-current-range/delete/non-void-block-as-first-with-void-siblings-partially-non-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -13,9 +13,7 @@ export const input = (
         on<anchor />e<focus />
       </paragraph>
       <image />
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
@@ -27,9 +25,7 @@ export const output = (
         on<cursor />
       </paragraph>
       <image />
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-all.js b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-all.js
index 7a7b4256f..fe1bb05cf 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-all.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-all.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <image>
         <anchor />
       </image>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <paragraph>
         two<focus />
       </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-backward-selection-all.js b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-backward-selection-all.js
index 79040cd1a..867c87843 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-backward-selection-all.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-backward-selection-all.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <image>
         <focus />
       </image>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <paragraph>
         two<anchor />
       </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-only-void.js b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-only-void.js
index 3caac3c59..4b50127eb 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-only-void.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-only-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -15,9 +15,7 @@ export const input = (
       <paragraph>
         <focus />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -28,9 +26,7 @@ export const output = (
       <paragraph>
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-and-next-word.js b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-and-next-word.js
index 8c93a1bbd..06376f6df 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-and-next-word.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-and-next-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -15,9 +15,7 @@ export const input = (
       <paragraph>
         tw<focus />o
       </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
@@ -28,9 +26,7 @@ export const output = (
       <paragraph>
         <cursor />o
       </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-end-and-next-word.js b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-end-and-next-word.js
index 45f81716a..ec0cf17b1 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-end-and-next-word.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-block-as-first-with-non-void-siblings-select-void-end-and-next-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,14 +10,13 @@ export const input = (
   <value>
     <document>
       <image>
-        {' '}<anchor />
+        {' '}
+        <anchor />
       </image>
       <paragraph>
         tw<focus />o
       </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
@@ -28,9 +27,7 @@ export const output = (
       <paragraph>
         <cursor />o
       </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/void-block-as-only.js b/packages/slate/test/changes/at-current-range/delete/void-block-as-only.js
index c0c6abe15..723ba8bb2 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-block-as-only.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-block-as-only.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,7 +10,7 @@ export const input = (
   <value>
     <document>
       <image>
-        <anchor />{' '}<focus />
+        <anchor /> <focus />
       </image>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-first-void.js b/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-first-void.js
index 1060c3d77..f31cc2583 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-first-void.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-first-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -15,12 +15,8 @@ export const input = (
       <image>
         <focus />{' '}
       </image>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -31,9 +27,7 @@ export const output = (
       <paragraph>
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-voids.js b/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-voids.js
index 0590f8772..23ab7e734 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-voids.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-blocks-as-first-with-non-void-siblings-only-voids.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -16,9 +16,7 @@ export const input = (
       <paragraph>
         <focus />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -29,9 +27,7 @@ export const output = (
       <paragraph>
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-block-next.js b/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-block-next.js
index e6f6316d3..bf474ef84 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-block-next.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-block-next.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<emoji><anchor /></emoji>two
+        one<emoji>
+          <anchor />
+        </emoji>two
       </paragraph>
       <paragraph>
         <focus />three
diff --git a/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-sibling.js b/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-sibling.js
index b89d827c7..cd0d1432e 100644
--- a/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-sibling.js
+++ b/packages/slate/test/changes/at-current-range/delete/void-inline-as-first-with-non-void-sibling.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,7 +10,10 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <emoji><anchor />{' '}</emoji><focus />abc
+        <emoji>
+          <anchor />{' '}
+        </emoji>
+        <focus />abc
       </paragraph>
     </document>
   </value>
@@ -19,7 +22,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph><cursor />abc</paragraph>
+      <paragraph>
+        <cursor />abc
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/delete/whole-inline.js b/packages/slate/test/changes/at-current-range/delete/whole-inline.js
index 28db7c662..aea046299 100644
--- a/packages/slate/test/changes/at-current-range/delete/whole-inline.js
+++ b/packages/slate/test/changes/at-current-range/delete/whole-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><anchor />word<focus /></link>
+        <link>
+          <anchor />word<focus />
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/delete/whole-word.js b/packages/slate/test/changes/at-current-range/delete/whole-word.js
index 82af071b6..2d7a97adc 100644
--- a/packages/slate/test/changes/at-current-range/delete/whole-word.js
+++ b/packages/slate/test/changes/at-current-range/delete/whole-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.delete()
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-block/block-end.js b/packages/slate/test/changes/at-current-range/insert-block/block-end.js
index e2aff5c6d..85949f0b7 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/block-end.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/block-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertBlock('quote')
 }
 
@@ -19,9 +19,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <quote>
         <cursor />
       </quote>
diff --git a/packages/slate/test/changes/at-current-range/insert-block/block-middle.js b/packages/slate/test/changes/at-current-range/insert-block/block-middle.js
index 2a0b8c462..aa91b5ab5 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/block-middle.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/block-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertBlock('quote')
 }
 
@@ -19,15 +19,11 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        wo
-      </paragraph>
+      <paragraph>wo</paragraph>
       <quote>
         <cursor />
       </quote>
-      <paragraph>
-        rd
-      </paragraph>
+      <paragraph>rd</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-block/block-start.js b/packages/slate/test/changes/at-current-range/insert-block/block-start.js
index d9f0837fc..2933cb3e7 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/block-start.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/block-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertBlock('quote')
 }
 
@@ -22,9 +22,7 @@ export const output = (
       <quote>
         <cursor />
       </quote>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-block/is-empty.js b/packages/slate/test/changes/at-current-range/insert-block/is-empty.js
index d4e58aec7..2c79230ce 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/is-empty.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/is-empty.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertBlock('quote')
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <paragraph>
         <cursor />
       </paragraph>
-      <paragraph>
-        not empty
-      </paragraph>
+      <paragraph>not empty</paragraph>
     </document>
   </value>
 )
@@ -26,9 +24,7 @@ export const output = (
       <quote>
         <cursor />
       </quote>
-      <paragraph>
-        not empty
-      </paragraph>
+      <paragraph>not empty</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-block/is-void-end.js b/packages/slate/test/changes/at-current-range/insert-block/is-void-end.js
index c15a47385..aa9fc35ec 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/is-void-end.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/is-void-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertBlock('quote')
 }
 
@@ -10,11 +10,10 @@ export const input = (
   <value>
     <document>
       <image>
-        {' '}<cursor />
+        {' '}
+        <cursor />
       </image>
-      <paragraph>
-        text
-      </paragraph>
+      <paragraph>text</paragraph>
     </document>
   </value>
 )
@@ -26,9 +25,7 @@ export const output = (
       <quote>
         <cursor />
       </quote>
-      <paragraph>
-        text
-      </paragraph>
+      <paragraph>text</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-block/is-void-start.js b/packages/slate/test/changes/at-current-range/insert-block/is-void-start.js
index bb7c62d8b..5f555db00 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/is-void-start.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/is-void-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertBlock('quote')
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <image>
         <cursor />{' '}
       </image>
-      <paragraph>
-        text
-      </paragraph>
+      <paragraph>text</paragraph>
     </document>
   </value>
 )
@@ -26,9 +24,7 @@ export const output = (
         <cursor />
       </quote>
       <image />
-      <paragraph>
-        text
-      </paragraph>
+      <paragraph>text</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-block/with-block.js b/packages/slate/test/changes/at-current-range/insert-block/with-block.js
index 19f7e20a5..37cfc42b4 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/with-block.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/with-block.js
@@ -3,8 +3,7 @@
 import h from '../../../helpers/h'
 import { Block } from '../../../..'
 
-
-export default function (change) {
+export default function(change) {
   change.insertBlock(Block.create({ type: 'quote' }))
 }
 
@@ -24,9 +23,7 @@ export const output = (
       <quote>
         <cursor />
       </quote>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-block/with-object.js b/packages/slate/test/changes/at-current-range/insert-block/with-object.js
index 4999113cd..63ac5f3be 100644
--- a/packages/slate/test/changes/at-current-range/insert-block/with-object.js
+++ b/packages/slate/test/changes/at-current-range/insert-block/with-object.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertBlock({ type: 'quote' })
 }
 
@@ -22,9 +22,7 @@ export const output = (
       <quote>
         <cursor />
       </quote>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/end-block-multiple-blocks.js b/packages/slate/test/changes/at-current-range/insert-fragment/end-block-multiple-blocks.js
index 123fbbbf3..bb6ac4118 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/end-block-multiple-blocks.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/end-block-multiple-blocks.js
@@ -2,20 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        one
-      </quote>
-      <quote>
-        two
-      </quote>
-      <quote>
-        three
-      </quote>
+      <quote>one</quote>
+      <quote>two</quote>
+      <quote>three</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
@@ -32,12 +26,8 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        wordone
-      </paragraph>
-      <quote>
-        two
-      </quote>
+      <paragraph>wordone</paragraph>
+      <quote>two</quote>
       <quote>
         <cursor />three
       </quote>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/end-block.js b/packages/slate/test/changes/at-current-range/insert-fragment/end-block.js
index 4dad5aed3..674abb284 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/end-block.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/end-block.js
@@ -2,14 +2,12 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/end-inline.js b/packages/slate/test/changes/at-current-range/insert-fragment/end-inline.js
index 16b0aae67..0d3bd4c5f 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/end-inline.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/end-inline.js
@@ -2,21 +2,21 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link>word<cursor /></link>
+        <link>
+          word<cursor />
+        </link>
       </paragraph>
     </document>
   </value>
@@ -26,7 +26,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>word</link><cursor />fragment
+        <link>word</link>
+        <cursor />fragment
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/fragment-multiple-blocks.js b/packages/slate/test/changes/at-current-range/insert-fragment/fragment-multiple-blocks.js
index 9d83097cc..c3135fdc2 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/fragment-multiple-blocks.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/fragment-multiple-blocks.js
@@ -2,17 +2,13 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        one
-      </quote>
-      <quote>
-        two
-      </quote>
+      <quote>one</quote>
+      <quote>two</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
@@ -28,9 +24,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        woone
-      </paragraph>
+      <paragraph>woone</paragraph>
       <quote>
         <cursor />tword
       </quote>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/fragment-nested-blocks.js b/packages/slate/test/changes/at-current-range/insert-fragment/fragment-nested-blocks.js
index 5ccffa6c1..fd4a9a0ed 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/fragment-nested-blocks.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/fragment-nested-blocks.js
@@ -2,19 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
       <quote>
-        <quote>
-          one
-        </quote>
-        <quote>
-          two
-        </quote>
+        <quote>one</quote>
+        <quote>two</quote>
       </quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
@@ -30,9 +26,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        woone
-      </paragraph>
+      <paragraph>woone</paragraph>
       <quote>
         <quote>
           <cursor />tword
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/middle-block.js b/packages/slate/test/changes/at-current-range/insert-fragment/middle-block.js
index fa3759c9a..6ce73c436 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/middle-block.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/middle-block.js
@@ -2,14 +2,12 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline-fragment-inline.js b/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline-fragment-inline.js
index b02ca5125..2432bc152 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline-fragment-inline.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline-fragment-inline.js
@@ -2,21 +2,23 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
       <quote>
         <hashtag>fragment</hashtag>
       </quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor />rd</link>
+        <link>
+          wo<cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
@@ -27,7 +29,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo</link><hashtag>fragment</hashtag><cursor /><link>rd</link>
+        <link>wo</link>
+        <hashtag>fragment</hashtag>
+        <cursor />
+        <link>rd</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline.js b/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline.js
index cc7f32a7d..5d430d878 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/middle-inline.js
@@ -2,21 +2,21 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor />rd</link>
+        <link>
+          wo<cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
@@ -26,7 +26,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo</link><cursor />fragment<link>rd</link>
+        <link>wo</link>
+        <cursor />fragment<link>rd</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/nested-block-fragment-nested-blocks.js b/packages/slate/test/changes/at-current-range/insert-fragment/nested-block-fragment-nested-blocks.js
index 71ed55aad..33e36133c 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/nested-block-fragment-nested-blocks.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/nested-block-fragment-nested-blocks.js
@@ -2,19 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
       <quote>
-        <quote>
-          one
-        </quote>
-        <quote>
-          two
-        </quote>
+        <quote>one</quote>
+        <quote>two</quote>
       </quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
@@ -33,9 +29,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          woone
-        </paragraph>
+        <paragraph>woone</paragraph>
         <quote>
           <quote>
             <cursor />tword
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/start-block-multiple-blocks.js b/packages/slate/test/changes/at-current-range/insert-fragment/start-block-multiple-blocks.js
index e233402a9..c543c9387 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/start-block-multiple-blocks.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/start-block-multiple-blocks.js
@@ -2,20 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        one
-      </quote>
-      <quote>
-        two
-      </quote>
-      <quote>
-        three
-      </quote>
+      <quote>one</quote>
+      <quote>two</quote>
+      <quote>three</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
@@ -31,12 +25,8 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <quote>
-        two
-      </quote>
+      <paragraph>one</paragraph>
+      <quote>two</quote>
       <quote>
         <cursor />threeword
       </quote>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/start-block.js b/packages/slate/test/changes/at-current-range/insert-fragment/start-block.js
index a7d5b3ebd..bae71e656 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/start-block.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/start-block.js
@@ -2,14 +2,12 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/start-inline.js b/packages/slate/test/changes/at-current-range/insert-fragment/start-inline.js
index b99cfa063..ce71ead8e 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/start-inline.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/start-inline.js
@@ -2,21 +2,21 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -26,7 +26,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        fragment<link><cursor />word</link>
+        fragment<link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/start-second-block.js b/packages/slate/test/changes/at-current-range/insert-fragment/start-second-block.js
index 745633b43..d01d00a70 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/start-second-block.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/start-second-block.js
@@ -2,22 +2,18 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <paragraph>
         <cursor />another
       </paragraph>
@@ -28,9 +24,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <paragraph>
         <cursor />fragmentanother
       </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/insert-fragment/with-delete-across-blocks.js b/packages/slate/test/changes/at-current-range/insert-fragment/with-delete-across-blocks.js
index 8cff3b8ee..e3c551538 100644
--- a/packages/slate/test/changes/at-current-range/insert-fragment/with-delete-across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/insert-fragment/with-delete-across-blocks.js
@@ -2,14 +2,12 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragment((
+export default function(change) {
+  change.insertFragment(
     <document>
-      <quote>
-        fragment
-      </quote>
+      <quote>fragment</quote>
     </document>
-  ))
+  )
 }
 
 export const input = (
diff --git a/packages/slate/test/changes/at-current-range/insert-inline/block-end.js b/packages/slate/test/changes/at-current-range/insert-inline/block-end.js
index 26973d263..147355711 100644
--- a/packages/slate/test/changes/at-current-range/insert-inline/block-end.js
+++ b/packages/slate/test/changes/at-current-range/insert-inline/block-end.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertInline({
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
@@ -23,7 +23,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        word<emoji>{' '}<cursor /></emoji>
+        word<emoji>
+          {' '}
+          <cursor />
+        </emoji>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-inline/block-middle.js b/packages/slate/test/changes/at-current-range/insert-inline/block-middle.js
index ed21fb720..294a7ea4a 100644
--- a/packages/slate/test/changes/at-current-range/insert-inline/block-middle.js
+++ b/packages/slate/test/changes/at-current-range/insert-inline/block-middle.js
@@ -2,17 +2,19 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertInline({
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>wo<cursor />rd</paragraph>
+      <paragraph>
+        wo<cursor />rd
+      </paragraph>
     </document>
   </value>
 )
@@ -21,7 +23,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wo<emoji>{' '}<cursor /></emoji>rd
+        wo<emoji>
+          {' '}
+          <cursor />
+        </emoji>rd
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-inline/block-start.js b/packages/slate/test/changes/at-current-range/insert-inline/block-start.js
index 5b5c202f8..f72bd8567 100644
--- a/packages/slate/test/changes/at-current-range/insert-inline/block-start.js
+++ b/packages/slate/test/changes/at-current-range/insert-inline/block-start.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertInline({
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
@@ -23,7 +23,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <emoji>{' '}<cursor /></emoji>word
+        <emoji>
+          {' '}
+          <cursor />
+        </emoji>word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-inline/inline-middle.js b/packages/slate/test/changes/at-current-range/insert-inline/inline-middle.js
index f58d167ff..8414eb7c0 100644
--- a/packages/slate/test/changes/at-current-range/insert-inline/inline-middle.js
+++ b/packages/slate/test/changes/at-current-range/insert-inline/inline-middle.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertInline({
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
@@ -13,7 +13,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor />rd</link>
+        <link>
+          wo<cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,7 +25,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<emoji>{' '}<cursor /></emoji>rd</link>
+        <link>
+          wo<emoji>
+            {' '}
+            <cursor />
+          </emoji>rd
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-inline/is-empty.js b/packages/slate/test/changes/at-current-range/insert-inline/is-empty.js
index 006d843b2..e696168ac 100644
--- a/packages/slate/test/changes/at-current-range/insert-inline/is-empty.js
+++ b/packages/slate/test/changes/at-current-range/insert-inline/is-empty.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertInline({
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
@@ -23,7 +23,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <emoji>{' '}<cursor /></emoji>
+        <emoji>
+          {' '}
+          <cursor />
+        </emoji>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-inline/is-void.js b/packages/slate/test/changes/at-current-range/insert-inline/is-void.js
index 92c7af714..8b4ab3900 100644
--- a/packages/slate/test/changes/at-current-range/insert-inline/is-void.js
+++ b/packages/slate/test/changes/at-current-range/insert-inline/is-void.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertInline({
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-inline/with-inline.js b/packages/slate/test/changes/at-current-range/insert-inline/with-inline.js
index 147655748..08b8ff562 100644
--- a/packages/slate/test/changes/at-current-range/insert-inline/with-inline.js
+++ b/packages/slate/test/changes/at-current-range/insert-inline/with-inline.js
@@ -3,17 +3,21 @@
 import h from '../../../helpers/h'
 import { Inline } from '../../../..'
 
-export default function (change) {
-  change.insertInline(Inline.create({
-    type: 'emoji',
-    isVoid: true
-  }))
+export default function(change) {
+  change.insertInline(
+    Inline.create({
+      type: 'emoji',
+      isVoid: true,
+    })
+  )
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>wo<cursor />rd</paragraph>
+      <paragraph>
+        wo<cursor />rd
+      </paragraph>
     </document>
   </value>
 )
@@ -22,7 +26,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wo<emoji>{' '}<cursor /></emoji>rd
+        wo<emoji>
+          {' '}
+          <cursor />
+        </emoji>rd
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-text/after-mark.js b/packages/slate/test/changes/at-current-range/insert-text/after-mark.js
index dc6b30d84..90e4bc46b 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/after-mark.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/after-mark.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        w<b>or<cursor /></b>d
+        w<b>
+          or<cursor />
+        </b>d
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<b>ora<cursor /></b>d
+        w<b>
+          ora<cursor />
+        </b>d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-text/before-mark.js b/packages/slate/test/changes/at-current-range/insert-text/before-mark.js
index d5466e50b..c568f4a2d 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/before-mark.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/before-mark.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        w<cursor /><b>or</b>d
+        w<cursor />
+        <b>or</b>d
       </paragraph>
     </document>
   </value>
@@ -20,7 +21,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wa<cursor /><b>or</b>d
+        wa<cursor />
+        <b>or</b>d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-text/during-mark.js b/packages/slate/test/changes/at-current-range/insert-text/during-mark.js
index 4b0f8fade..f30165b02 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/during-mark.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/during-mark.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        w<b>o<cursor />r</b>d
+        w<b>
+          o<cursor />r
+        </b>d
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<b>oa<cursor />r</b>d
+        w<b>
+          oa<cursor />r
+        </b>d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-text/first-character.js b/packages/slate/test/changes/at-current-range/insert-text/first-character.js
index 48d375405..d8d02a9df 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/first-character.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/first-space.js b/packages/slate/test/changes/at-current-range/insert-text/first-space.js
index ad00cdd48..92817174c 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/first-space.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/first-space.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText(' ')
 }
 
@@ -20,7 +20,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        {' '}<cursor />word
+        {' '}
+        <cursor />word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/insert-text/first-words.js b/packages/slate/test/changes/at-current-range/insert-text/first-words.js
index b0a6103f9..585c1ec88 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/first-words.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/first-words.js
@@ -2,14 +2,16 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a few words')
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph><cursor />word</paragraph>
+      <paragraph>
+        <cursor />word
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-multiple-blocks.js b/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-multiple-blocks.js
index 369975c60..abbbb1145 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-multiple-blocks.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-multiple-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <paragraph>
         <anchor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
       <quote>
         <focus />three
       </quote>
diff --git a/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-single-block.js b/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-single-block.js
index 69e803420..1dcd13263 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-single-block.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/hanging-selection-single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/inside-void.js b/packages/slate/test/changes/at-current-range/insert-text/inside-void.js
index 93946cd19..79640d8c8 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/inside-void.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/inside-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/last-character.js b/packages/slate/test/changes/at-current-range/insert-text/last-character.js
index 96e1770a4..902a342d4 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/last-character.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/last-space.js b/packages/slate/test/changes/at-current-range/insert-text/last-space.js
index 2bc9cd903..b5a045735 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/last-space.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/last-space.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText(' ')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/last-words.js b/packages/slate/test/changes/at-current-range/insert-text/last-words.js
index 97374ddfb..b144919c4 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/last-words.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/last-words.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText(' a few words')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/middle-character.js b/packages/slate/test/changes/at-current-range/insert-text/middle-character.js
index a3f0ffe47..86f7e1f6f 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/middle-character.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText('a')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/middle-space.js b/packages/slate/test/changes/at-current-range/insert-text/middle-space.js
index cea5b4614..f63eae718 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/middle-space.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/middle-space.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText(' ')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/middle-words.js b/packages/slate/test/changes/at-current-range/insert-text/middle-words.js
index 3bd47f8f0..dcb8a21e6 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/middle-words.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/middle-words.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertText(' a few words ')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/insert-text/with-marks.js b/packages/slate/test/changes/at-current-range/insert-text/with-marks.js
index 35a47f58e..f9f35765c 100644
--- a/packages/slate/test/changes/at-current-range/insert-text/with-marks.js
+++ b/packages/slate/test/changes/at-current-range/insert-text/with-marks.js
@@ -3,7 +3,7 @@
 import h from '../../../helpers/h'
 import { Mark } from '../../../..'
 
-export default function (change) {
+export default function(change) {
   const marks = Mark.createSet([{ type: 'bold' }])
   change.insertText('a', marks)
 }
@@ -22,7 +22,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        word<b>a</b><cursor />
+        word<b>a</b>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/across-blocks.js b/packages/slate/test/changes/at-current-range/remove-mark/across-blocks.js
index f7c6e5fed..61b29470e 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark('bold')
 }
 
@@ -10,10 +10,12 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        wo<anchor /><b>rd</b>
+        wo<anchor />
+        <b>rd</b>
       </paragraph>
       <paragraph>
-        <b>an</b><focus />other
+        <b>an</b>
+        <focus />other
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/across-inlines.js b/packages/slate/test/changes/at-current-range/remove-mark/across-inlines.js
index 84944a353..32bb08b7d 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark('bold')
 }
 
@@ -10,10 +10,16 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor /><b>rd</b></link>
+        <link>
+          wo<anchor />
+          <b>rd</b>
+        </link>
       </paragraph>
       <paragraph>
-        <link><b>an</b><focus />other</link>
+        <link>
+          <b>an</b>
+          <focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,10 +29,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/collapsed-selection.js b/packages/slate/test/changes/at-current-range/remove-mark/collapsed-selection.js
index 2fa83fdbd..86c3a6c70 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/collapsed-selection.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/collapsed-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change
     .addMark('bold')
     .removeMark('bold')
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/existing-marks.js b/packages/slate/test/changes/at-current-range/remove-mark/existing-marks.js
index f32d5536e..aa5d2f511 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/existing-marks.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/existing-marks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark('bold')
 }
 
@@ -10,7 +10,12 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b><i>wo</i><focus /></b><i>rd</i>
+        <anchor />
+        <b>
+          <i>wo</i>
+          <focus />
+        </b>
+        <i>rd</i>
       </paragraph>
     </document>
   </value>
@@ -20,7 +25,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <i><anchor />wo<focus />rd</i>
+        <i>
+          <anchor />wo<focus />rd
+        </i>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/first-character.js b/packages/slate/test/changes/at-current-range/remove-mark/first-character.js
index f91c1b343..9b9bc8052 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/first-character.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>w</b><focus />ord
+        <anchor />
+        <b>w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/last-character.js b/packages/slate/test/changes/at-current-range/remove-mark/last-character.js
index a6f28891c..283e0c473 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/last-character.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        wor<anchor /><b>d</b><focus />
+        wor<anchor />
+        <b>d</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/middle-character.js b/packages/slate/test/changes/at-current-range/remove-mark/middle-character.js
index 5dffa8f4a..5589a7b3e 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/middle-character.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        w<anchor /><b>o</b><focus />rd
+        w<anchor />
+        <b>o</b>
+        <focus />rd
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/whole-word.js b/packages/slate/test/changes/at-current-range/remove-mark/whole-word.js
index 8466e8d45..27b98093e 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/whole-word.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/whole-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>word</b><focus />
+        <anchor />
+        <b>word</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/with-mark-object.js b/packages/slate/test/changes/at-current-range/remove-mark/with-mark-object.js
index e18e9ed31..0deab0213 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/with-mark-object.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/with-mark-object.js
@@ -3,18 +3,22 @@
 import h from '../../../helpers/h'
 import { Mark } from '../../../..'
 
-export default function (change) {
-  change.removeMark(Mark.create({
-    type: 'bold',
-    data: { thing: 'value' }
-  }))
+export default function(change) {
+  change.removeMark(
+    Mark.create({
+      type: 'bold',
+      data: { thing: 'value' },
+    })
+  )
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b thing="value">w</b><focus />ord
+        <anchor />
+        <b thing="value">w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/remove-mark/with-plain-object.js b/packages/slate/test/changes/at-current-range/remove-mark/with-plain-object.js
index 3eed5ab75..29e501305 100644
--- a/packages/slate/test/changes/at-current-range/remove-mark/with-plain-object.js
+++ b/packages/slate/test/changes/at-current-range/remove-mark/with-plain-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeMark({
     type: 'bold',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -13,7 +13,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <b thing="value"><anchor />w<focus /></b>ord
+        <b thing="value">
+          <anchor />w<focus />
+        </b>ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-block/across-blocks.js b/packages/slate/test/changes/at-current-range/set-block/across-blocks.js
index ccd718f6d..f8aa5ad34 100644
--- a/packages/slate/test/changes/at-current-range/set-block/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/set-block/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setBlock({ type: 'code' })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-block/across-inlines.js b/packages/slate/test/changes/at-current-range/set-block/across-inlines.js
index 8e74535bd..6c0fe2dbf 100644
--- a/packages/slate/test/changes/at-current-range/set-block/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/set-block/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setBlock({ type: 'code' })
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><anchor />word</link>
+        <link>
+          <anchor />word
+        </link>
       </paragraph>
       <paragraph>
-        <link><focus />another</link>
+        <link>
+          <focus />another
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,10 +27,14 @@ export const output = (
   <value>
     <document>
       <code>
-        <link><anchor />word</link>
+        <link>
+          <anchor />word
+        </link>
       </code>
       <code>
-        <link><focus />another</link>
+        <link>
+          <focus />another
+        </link>
       </code>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-block/data-only.js b/packages/slate/test/changes/at-current-range/set-block/data-only.js
index 34f5972da..b1a7a0060 100644
--- a/packages/slate/test/changes/at-current-range/set-block/data-only.js
+++ b/packages/slate/test/changes/at-current-range/set-block/data-only.js
@@ -4,8 +4,7 @@ import h from '../../../helpers/h'
 
 import { Data } from '../../../..'
 
-
-export default function (change) {
+export default function(change) {
   change.setBlock({ data: Data.create({ thing: 'value' }) })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-block/nested-block.js b/packages/slate/test/changes/at-current-range/set-block/nested-block.js
index bd9b5274f..8c7d0721b 100644
--- a/packages/slate/test/changes/at-current-range/set-block/nested-block.js
+++ b/packages/slate/test/changes/at-current-range/set-block/nested-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setBlock({ type: 'code' })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-block/single-block-string-shorthand.js b/packages/slate/test/changes/at-current-range/set-block/single-block-string-shorthand.js
index bef060241..a0bcb2f80 100644
--- a/packages/slate/test/changes/at-current-range/set-block/single-block-string-shorthand.js
+++ b/packages/slate/test/changes/at-current-range/set-block/single-block-string-shorthand.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setBlock('code')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-block/single-block.js b/packages/slate/test/changes/at-current-range/set-block/single-block.js
index 10eca9933..282cb9076 100644
--- a/packages/slate/test/changes/at-current-range/set-block/single-block.js
+++ b/packages/slate/test/changes/at-current-range/set-block/single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setBlock({ type: 'code' })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-block/with-data-as-map.js b/packages/slate/test/changes/at-current-range/set-block/with-data-as-map.js
index 9decbbf5d..8b1cc485b 100644
--- a/packages/slate/test/changes/at-current-range/set-block/with-data-as-map.js
+++ b/packages/slate/test/changes/at-current-range/set-block/with-data-as-map.js
@@ -3,10 +3,10 @@
 import h from '../../../helpers/h'
 import { Data } from '../../../..'
 
-export default function (change) {
+export default function(change) {
   change.setBlock({
     type: 'code',
-    data: Data.create({ thing: 'value' })
+    data: Data.create({ thing: 'value' }),
   })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-block/with-data-as-object.js b/packages/slate/test/changes/at-current-range/set-block/with-data-as-object.js
index c087617fb..db7c44e5d 100644
--- a/packages/slate/test/changes/at-current-range/set-block/with-data-as-object.js
+++ b/packages/slate/test/changes/at-current-range/set-block/with-data-as-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setBlock({
     type: 'code',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-block/with-is-void.js b/packages/slate/test/changes/at-current-range/set-block/with-is-void.js
index 5acf294a0..e58bfaf40 100644
--- a/packages/slate/test/changes/at-current-range/set-block/with-is-void.js
+++ b/packages/slate/test/changes/at-current-range/set-block/with-is-void.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setBlock({
     type: 'image',
-    isVoid: true
+    isVoid: true,
   })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/set-inline/across-inlines.js b/packages/slate/test/changes/at-current-range/set-inline/across-inlines.js
index 92c90ac05..f2fb9378e 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setInline({ type: 'hashtag' })
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><anchor />word</link>
+        <link>
+          <anchor />word
+        </link>
       </paragraph>
       <paragraph>
-        <link><focus />another</link>
+        <link>
+          <focus />another
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,10 +27,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <hashtag><anchor />word</hashtag>
+        <hashtag>
+          <anchor />word
+        </hashtag>
       </paragraph>
       <paragraph>
-        <hashtag><focus />another</hashtag>
+        <hashtag>
+          <focus />another
+        </hashtag>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-inline/data-only.js b/packages/slate/test/changes/at-current-range/set-inline/data-only.js
index 2bf693b91..2ac1a9355 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/data-only.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/data-only.js
@@ -3,7 +3,7 @@
 import h from '../../../helpers/h'
 import { Data } from '../../../..'
 
-export default function (change) {
+export default function(change) {
   change.setInline({ data: Data.create({ thing: 'value' }) })
 }
 
@@ -11,7 +11,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -21,7 +23,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link thing="value"><cursor />word</link>
+        <link thing="value">
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-inline/nested-inline.js b/packages/slate/test/changes/at-current-range/set-inline/nested-inline.js
index 5353f71e0..cffc55510 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/nested-inline.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/nested-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setInline({ type: 'comment' })
 }
 
@@ -11,7 +11,9 @@ export const input = (
     <document>
       <paragraph>
         <hashtag>
-          <link><cursor />word</link>
+          <link>
+            <cursor />word
+          </link>
         </hashtag>
       </paragraph>
     </document>
@@ -23,7 +25,9 @@ export const output = (
     <document>
       <paragraph>
         <hashtag>
-          <comment><cursor />word</comment>
+          <comment>
+            <cursor />word
+          </comment>
         </hashtag>
       </paragraph>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/set-inline/single-inline-string-shorthand.js b/packages/slate/test/changes/at-current-range/set-inline/single-inline-string-shorthand.js
index 6c07514d0..7c9be6522 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/single-inline-string-shorthand.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/single-inline-string-shorthand.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setInline('hashtag')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <hashtag><cursor />word</hashtag>
+        <hashtag>
+          <cursor />word
+        </hashtag>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-inline/single-inline.js b/packages/slate/test/changes/at-current-range/set-inline/single-inline.js
index 2c9163c83..dc8bdeb95 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/single-inline.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/single-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setInline({ type: 'hashtag' })
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <hashtag><cursor />word</hashtag>
+        <hashtag>
+          <cursor />word
+        </hashtag>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-inline/with-data-object.js b/packages/slate/test/changes/at-current-range/set-inline/with-data-object.js
index 44c3de3c9..2df2f1f12 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/with-data-object.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/with-data-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setInline({
     type: 'hashtag',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -13,7 +13,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,7 +25,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <hashtag thing="value"><cursor />word</hashtag>
+        <hashtag thing="value">
+          <cursor />word
+        </hashtag>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-inline/with-data.js b/packages/slate/test/changes/at-current-range/set-inline/with-data.js
index 0a41236fb..d79fd6f86 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/with-data.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/with-data.js
@@ -3,10 +3,10 @@
 import h from '../../../helpers/h'
 import { Data } from '../../../..'
 
-export default function (change) {
+export default function(change) {
   change.setInline({
     type: 'hashtag',
-    data: Data.create({ thing: 'value' })
+    data: Data.create({ thing: 'value' }),
   })
 }
 
@@ -14,7 +14,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -24,7 +26,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <hashtag thing="value"><cursor />word</hashtag>
+        <hashtag thing="value">
+          <cursor />word
+        </hashtag>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/set-inline/with-is-void.js b/packages/slate/test/changes/at-current-range/set-inline/with-is-void.js
index 912fb8366..bc3a6f521 100644
--- a/packages/slate/test/changes/at-current-range/set-inline/with-is-void.js
+++ b/packages/slate/test/changes/at-current-range/set-inline/with-is-void.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setInline({
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
@@ -13,7 +13,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -24,7 +26,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <cursor /><emoji>{' '}</emoji>
+        <cursor />
+        <emoji />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-block/after-inline-void.js b/packages/slate/test/changes/at-current-range/split-block/after-inline-void.js
index 1aa9b8098..b859f83f7 100644
--- a/packages/slate/test/changes/at-current-range/split-block/after-inline-void.js
+++ b/packages/slate/test/changes/at-current-range/split-block/after-inline-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        one<emoji /><cursor />two
+        one<emoji />
+        <cursor />two
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-block/after-inline.js b/packages/slate/test/changes/at-current-range/split-block/after-inline.js
index 8aae8e4ad..7c1d142e3 100644
--- a/packages/slate/test/changes/at-current-range/split-block/after-inline.js
+++ b/packages/slate/test/changes/at-current-range/split-block/after-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        word<link href="website.com">hyperlink</link><cursor />word
+        word<link href="website.com">hyperlink</link>
+        <cursor />word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-block/before-inline.js b/packages/slate/test/changes/at-current-range/split-block/before-inline.js
index baacba20c..3f5748023 100644
--- a/packages/slate/test/changes/at-current-range/split-block/before-inline.js
+++ b/packages/slate/test/changes/at-current-range/split-block/before-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        word<link href="website.com"><cursor />hyperlink</link>word
+        word<link href="website.com">
+          <cursor />hyperlink
+        </link>word
       </paragraph>
     </document>
   </value>
@@ -19,11 +21,11 @@ export const input = (
 export const output = (
   <value>
     <document>
+      <paragraph>word</paragraph>
       <paragraph>
-        word
-      </paragraph>
-      <paragraph>
-        <link href="website.com"><cursor />hyperlink</link>word
+        <link href="website.com">
+          <cursor />hyperlink
+        </link>word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-block/block-end.js b/packages/slate/test/changes/at-current-range/split-block/block-end.js
index 9aad74825..655f721fe 100644
--- a/packages/slate/test/changes/at-current-range/split-block/block-end.js
+++ b/packages/slate/test/changes/at-current-range/split-block/block-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <paragraph>
         word<cursor />
       </paragraph>
-      <paragraph>
-        another
-      </paragraph>
+      <paragraph>another</paragraph>
     </document>
   </value>
 )
@@ -22,15 +20,11 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <paragraph>
         <cursor />
       </paragraph>
-      <paragraph>
-        another
-      </paragraph>
+      <paragraph>another</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/split-block/block-middle.js b/packages/slate/test/changes/at-current-range/split-block/block-middle.js
index 40597bff8..cc2f15d6f 100644
--- a/packages/slate/test/changes/at-current-range/split-block/block-middle.js
+++ b/packages/slate/test/changes/at-current-range/split-block/block-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -19,9 +19,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        wo
-      </paragraph>
+      <paragraph>wo</paragraph>
       <paragraph>
         <cursor />rd
       </paragraph>
diff --git a/packages/slate/test/changes/at-current-range/split-block/block-start.js b/packages/slate/test/changes/at-current-range/split-block/block-start.js
index c5d42d617..5effb8315 100644
--- a/packages/slate/test/changes/at-current-range/split-block/block-start.js
+++ b/packages/slate/test/changes/at-current-range/split-block/block-start.js
@@ -2,16 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <paragraph>
         <cursor />another
       </paragraph>
@@ -22,9 +20,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <paragraph />
       <paragraph>
         <cursor />another
diff --git a/packages/slate/test/changes/at-current-range/split-block/depth.js b/packages/slate/test/changes/at-current-range/split-block/depth.js
index d62c89b82..f32e09a8f 100644
--- a/packages/slate/test/changes/at-current-range/split-block/depth.js
+++ b/packages/slate/test/changes/at-current-range/split-block/depth.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock(Infinity)
 }
 
@@ -11,7 +11,9 @@ export const input = (
     <document>
       <paragraph>
         <paragraph>
-          <paragraph>wo<cursor />rd</paragraph>
+          <paragraph>
+            wo<cursor />rd
+          </paragraph>
         </paragraph>
       </paragraph>
     </document>
@@ -28,7 +30,9 @@ export const output = (
       </paragraph>
       <paragraph>
         <paragraph>
-          <paragraph><cursor />rd</paragraph>
+          <paragraph>
+            <cursor />rd
+          </paragraph>
         </paragraph>
       </paragraph>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks-and-inlines.js b/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks-and-inlines.js
index f8a86b6e7..71b88b828 100644
--- a/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks-and-inlines.js
+++ b/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks-and-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <hashtag>an<focus />other</hashtag>
+        <hashtag>
+          an<focus />other
+        </hashtag>
       </paragraph>
     </document>
   </value>
@@ -26,7 +30,9 @@ export const output = (
         <link>wo</link>
       </paragraph>
       <paragraph>
-        <hashtag><cursor />other</hashtag>
+        <hashtag>
+          <cursor />other
+        </hashtag>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks.js b/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks.js
index 7c061ab58..432384140 100644
--- a/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/split-block/with-delete-across-blocks.js
@@ -2,15 +2,19 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>wo<anchor />rd</paragraph>
-      <paragraph>an<focus />other</paragraph>
+      <paragraph>
+        wo<anchor />rd
+      </paragraph>
+      <paragraph>
+        an<focus />other
+      </paragraph>
     </document>
   </value>
 )
@@ -19,7 +23,9 @@ export const output = (
   <value>
     <document>
       <paragraph>wo</paragraph>
-      <paragraph><cursor />other</paragraph>
+      <paragraph>
+        <cursor />other
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/split-block/with-delete.js b/packages/slate/test/changes/at-current-range/split-block/with-delete.js
index 36e4232bd..b1ad8aa29 100644
--- a/packages/slate/test/changes/at-current-range/split-block/with-delete.js
+++ b/packages/slate/test/changes/at-current-range/split-block/with-delete.js
@@ -2,14 +2,16 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>w<anchor />or<focus />d</paragraph>
+      <paragraph>
+        w<anchor />or<focus />d
+      </paragraph>
     </document>
   </value>
 )
@@ -18,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>w</paragraph>
-      <paragraph><cursor />d</paragraph>
+      <paragraph>
+        <cursor />d
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/split-block/with-inline.js b/packages/slate/test/changes/at-current-range/split-block/with-inline.js
index 2a1d18a7d..07aa141ea 100644
--- a/packages/slate/test/changes/at-current-range/split-block/with-inline.js
+++ b/packages/slate/test/changes/at-current-range/split-block/with-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitBlock()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor />rd</link>
+        <link>
+          wo<cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,7 +25,9 @@ export const output = (
         <link>wo</link>
       </paragraph>
       <paragraph>
-        <link><cursor />rd</link>
+        <link>
+          <cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-inline/block-end.js b/packages/slate/test/changes/at-current-range/split-inline/block-end.js
index 28bae6fd9..4cfffa337 100644
--- a/packages/slate/test/changes/at-current-range/split-inline/block-end.js
+++ b/packages/slate/test/changes/at-current-range/split-inline/block-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitInline()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>word<cursor /></link>
+        <link>
+          word<cursor />
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>word<cursor /></link>
+        <link>
+          word<cursor />
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-inline/block-middle.js b/packages/slate/test/changes/at-current-range/split-inline/block-middle.js
index 5a8ff3fe5..9d39f69b4 100644
--- a/packages/slate/test/changes/at-current-range/split-inline/block-middle.js
+++ b/packages/slate/test/changes/at-current-range/split-inline/block-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitInline()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<cursor />rd</link>
+        <link>
+          wo<cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo</link><link><cursor />rd</link>
+        <link>wo</link>
+        <link>
+          <cursor />rd
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-inline/block-start.js b/packages/slate/test/changes/at-current-range/split-inline/block-start.js
index 79a2308fe..c2db3042f 100644
--- a/packages/slate/test/changes/at-current-range/split-inline/block-start.js
+++ b/packages/slate/test/changes/at-current-range/split-inline/block-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitInline()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link><cursor />word</link>
+        <link>
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-inline/depth.js b/packages/slate/test/changes/at-current-range/split-inline/depth.js
index f019f74d3..b3371c3b4 100644
--- a/packages/slate/test/changes/at-current-range/split-inline/depth.js
+++ b/packages/slate/test/changes/at-current-range/split-inline/depth.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitInline(1)
 }
 
@@ -10,7 +10,11 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><link>wo<cursor />rd</link></link>
+        <link>
+          <link>
+            wo<cursor />rd
+          </link>
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +24,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link><link>wo</link><link><cursor />rd</link></link>
+        <link>
+          <link>wo</link>
+          <link>
+            <cursor />rd
+          </link>
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-inline/with-delete.js b/packages/slate/test/changes/at-current-range/split-inline/with-delete.js
index 208fe9675..ef129c711 100644
--- a/packages/slate/test/changes/at-current-range/split-inline/with-delete.js
+++ b/packages/slate/test/changes/at-current-range/split-inline/with-delete.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitInline()
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>w<anchor />or<focus />d</link>
+        <link>
+          w<anchor />or<focus />d
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>w</link><link><cursor />d</link>
+        <link>w</link>
+        <link>
+          <cursor />d
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/split-inline/with-marks.js b/packages/slate/test/changes/at-current-range/split-inline/with-marks.js
index 794865a10..95cbaf94a 100644
--- a/packages/slate/test/changes/at-current-range/split-inline/with-marks.js
+++ b/packages/slate/test/changes/at-current-range/split-inline/with-marks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitInline()
 }
 
@@ -10,7 +10,11 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><b>wo<cursor />rd</b></link>
+        <link>
+          <b>
+            wo<cursor />rd
+          </b>
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +24,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link><b>wo</b></link><link><b><cursor />rd</b></link>
+        <link>
+          <b>wo</b>
+        </link>
+        <link>
+          <b>
+            <cursor />rd
+          </b>
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-across-blocks.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-across-blocks.js
index e16bd38d5..47f0a8b69 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -23,10 +23,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wo<anchor /><b>rd</b>
+        wo<anchor />
+        <b>rd</b>
       </paragraph>
       <paragraph>
-        <b>an</b><focus />other
+        <b>an</b>
+        <focus />other
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-across-inlines.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-across-inlines.js
index 32464b636..236f0e787 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,11 +27,15 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor /><b>rd</b></link>
+        <link>
+          wo<anchor />
+          <b>rd</b>
+        </link>
       </paragraph>
       <paragraph>
         <link>
-          <b>an</b><focus />other
+          <b>an</b>
+          <focus />other
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection-beginning.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection-beginning.js
index d3346c866..7d3973076 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection-beginning.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection-beginning.js
@@ -2,10 +2,8 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change
-    .toggleMark('bold')
-    .insertText('a')
+export default function(change) {
+  change.toggleMark('bold').insertText('a')
 }
 
 export const input = (
@@ -22,7 +20,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <b>a</b><cursor />word
+        <b>a</b>
+        <cursor />word
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection.js
index 1e95ccea6..47b3e0071 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-collapsed-selection.js
@@ -2,10 +2,8 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change
-    .toggleMark('bold')
-    .insertText('s')
+export default function(change) {
+  change.toggleMark('bold').insertText('s')
 }
 
 export const input = (
@@ -22,7 +20,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        word<b>s</b><cursor />
+        word<b>s</b>
+        <cursor />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks-partially-marked.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks-partially-marked.js
index 810257fc1..e95459321 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks-partially-marked.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks-partially-marked.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,11 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>a</b><i>wo<focus />rd</i>
+        <anchor />
+        <b>a</b>
+        <i>
+          wo<focus />rd
+        </i>
       </paragraph>
     </document>
   </value>
@@ -20,7 +24,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>a<i>wo</i></b><focus /><i>rd</i>
+        <anchor />
+        <b>
+          a<i>wo</i>
+        </b>
+        <focus />
+        <i>rd</i>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks.js
index 725f383d1..583f69d8d 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-existing-marks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <i><anchor />wo<focus />rd</i>
+        <i>
+          <anchor />wo<focus />rd
+        </i>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b><i>wo</i></b><focus /><i>rd</i>
+        <anchor />
+        <b>
+          <i>wo</i>
+        </b>
+        <focus />
+        <i>rd</i>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-first-character.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-first-character.js
index 9f16f7123..343e309db 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-first-character.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>w</b><focus />ord
+        <anchor />
+        <b>w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-last-character.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-last-character.js
index 5ba5aefb3..9e9617e8e 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-last-character.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wor<anchor /><b>d</b><focus />
+        wor<anchor />
+        <b>d</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-middle-character.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-middle-character.js
index 4d08d59bb..a26ff9b98 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-middle-character.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<anchor /><b>o</b><focus />rd
+        w<anchor />
+        <b>o</b>
+        <focus />rd
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-partially-marked.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-partially-marked.js
index 2d6c5624f..176d62cbb 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-partially-marked.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-partially-marked.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor />a<b>word</b><focus />
+        <anchor />a<b>word</b>
+        <focus />
       </paragraph>
     </document>
   </value>
@@ -20,7 +21,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>aword</b><focus />
+        <anchor />
+        <b>aword</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-whole-word.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-whole-word.js
index c588c217f..733e751c3 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-whole-word.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-whole-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -20,7 +20,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>word</b><focus />
+        <anchor />
+        <b>word</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-with-mark-object.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-with-mark-object.js
index 4135fb288..258a768f8 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-with-mark-object.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-with-mark-object.js
@@ -3,11 +3,13 @@
 import h from '../../../helpers/h'
 import { Mark } from '../../../..'
 
-export default function (change) {
-  change.toggleMark(Mark.create({
-    type: 'bold',
-    data: { thing: 'value' }
-  }))
+export default function(change) {
+  change.toggleMark(
+    Mark.create({
+      type: 'bold',
+      data: { thing: 'value' },
+    })
+  )
 }
 
 export const input = (
@@ -24,7 +26,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b thing="value">w</b><focus />ord
+        <anchor />
+        <b thing="value">w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/add-with-plain-object.js b/packages/slate/test/changes/at-current-range/toggle-mark/add-with-plain-object.js
index f8f1d41c3..a172d8138 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/add-with-plain-object.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/add-with-plain-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark({
     type: 'bold',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -23,7 +23,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b thing="value">w</b><focus />ord
+        <anchor />
+        <b thing="value">w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-blocks.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-blocks.js
index 49d790969..5405a205f 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,10 +10,12 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        wo<anchor /><b>rd</b>
+        wo<anchor />
+        <b>rd</b>
       </paragraph>
       <paragraph>
-        <b>an</b><focus />other
+        <b>an</b>
+        <focus />other
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-inlines.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-inlines.js
index ecb63424a..f40bf80bb 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,10 +10,17 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<b><anchor />rd</b></link>
+        <link>
+          wo<b>
+            <anchor />rd
+          </b>
+        </link>
       </paragraph>
       <paragraph>
-        <link><b>an</b><focus />other</link>
+        <link>
+          <b>an</b>
+          <focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,10 +30,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection-beginning.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection-beginning.js
index 1767a558a..73d9d91f4 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection-beginning.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection-beginning.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change
     .toggleMark('bold')
     .toggleMark('bold')
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection.js
index c55f7a572..a9c6bf8f3 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-collapsed-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change
     .toggleMark('bold')
     .toggleMark('bold')
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-existing-marks.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-existing-marks.js
index b97bf3d73..4db3ace9e 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-existing-marks.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-existing-marks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,12 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b><i>wo</i></b><focus /><i>rd</i>
+        <anchor />
+        <b>
+          <i>wo</i>
+        </b>
+        <focus />
+        <i>rd</i>
       </paragraph>
     </document>
   </value>
@@ -20,7 +25,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <i><anchor />wo<focus />rd</i>
+        <i>
+          <anchor />wo<focus />rd
+        </i>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-first-character.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-first-character.js
index c10cf3965..09d28d045 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-first-character.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-first-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>w</b><focus />ord
+        <anchor />
+        <b>w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-last-character.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-last-character.js
index 233d62e4c..7d858e7ee 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-last-character.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        wor<anchor /><b>d</b><focus />
+        wor<anchor />
+        <b>d</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-middle-character.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-middle-character.js
index ac49b5fb1..73359b548 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-middle-character.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-middle-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        w<anchor /><b>o</b><focus />rd
+        w<anchor />
+        <b>o</b>
+        <focus />rd
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-whole-word.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-whole-word.js
index bf06d4d3a..ad3a01073 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-whole-word.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-whole-word.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark('bold')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>word</b><focus />
+        <anchor />
+        <b>word</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-mark-object.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-mark-object.js
index 2ba731cd5..1674a1b6d 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-mark-object.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-mark-object.js
@@ -3,18 +3,22 @@
 import h from '../../../helpers/h'
 import { Mark } from '../../../..'
 
-export default function (change) {
-  change.toggleMark(Mark.create({
-    type: 'bold',
-    data: { thing: 'value' }
-  }))
+export default function(change) {
+  change.toggleMark(
+    Mark.create({
+      type: 'bold',
+      data: { thing: 'value' },
+    })
+  )
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b thing="value">w</b><focus />ord
+        <anchor />
+        <b thing="value">w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-plain-object.js b/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-plain-object.js
index af5865a08..edc7b37dc 100644
--- a/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-plain-object.js
+++ b/packages/slate/test/changes/at-current-range/toggle-mark/remove-with-plain-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.toggleMark({
     type: 'bold',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -13,7 +13,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b thing="value">w</b><focus />ord
+        <anchor />
+        <b thing="value">w</b>
+        <focus />ord
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/across-blocks.js b/packages/slate/test/changes/at-current-range/unwrap-block/across-blocks.js
index f2be8c3ac..939f66d0c 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/across-inlines.js b/packages/slate/test/changes/at-current-range/unwrap-block/across-inlines.js
index c87e53b17..2abe0fc0e 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
@@ -11,10 +11,14 @@ export const input = (
     <document>
       <quote>
         <paragraph>
-          <link>wo<anchor />rd</link>
+          <link>
+            wo<anchor />rd
+          </link>
         </paragraph>
         <paragraph>
-          <link>an<focus />other</link>
+          <link>
+            an<focus />other
+          </link>
         </paragraph>
       </quote>
     </document>
@@ -25,10 +29,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/ending-child-blocks.js b/packages/slate/test/changes/at-current-range/unwrap-block/ending-child-blocks.js
index c6be64551..c72d2d403 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/ending-child-blocks.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/ending-child-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
@@ -10,18 +10,10 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
-        <paragraph>
-          three
-        </paragraph>
-        <paragraph>
-          four
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
+        <paragraph>three</paragraph>
+        <paragraph>four</paragraph>
         <paragraph>
           <anchor />five
         </paragraph>
@@ -37,18 +29,10 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
-        <paragraph>
-          three
-        </paragraph>
-        <paragraph>
-          four
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
+        <paragraph>three</paragraph>
+        <paragraph>four</paragraph>
       </quote>
       <paragraph>
         <anchor />five
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks-with-backward-selection.js b/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks-with-backward-selection.js
index 100944c83..89ebd89eb 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks-with-backward-selection.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks-with-backward-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
@@ -10,24 +10,16 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
         <paragraph>
           <focus />three
         </paragraph>
         <paragraph>
           <anchor />four
         </paragraph>
-        <paragraph>
-          five
-        </paragraph>
-        <paragraph>
-          six
-        </paragraph>
+        <paragraph>five</paragraph>
+        <paragraph>six</paragraph>
       </quote>
     </document>
   </value>
@@ -37,12 +29,8 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
       </quote>
       <paragraph>
         <focus />three
@@ -51,14 +39,9 @@ export const output = (
         <anchor />four
       </paragraph>
       <quote>
-        <paragraph>
-          five
-        </paragraph>
-        <paragraph>
-          six
-        </paragraph>
+        <paragraph>five</paragraph>
+        <paragraph>six</paragraph>
       </quote>
     </document>
   </value>
 )
-
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks.js b/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks.js
index 281a49342..329851a8f 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/middle-child-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
@@ -10,24 +10,16 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
         <paragraph>
           <anchor />three
         </paragraph>
         <paragraph>
           <focus />four
         </paragraph>
-        <paragraph>
-          five
-        </paragraph>
-        <paragraph>
-          six
-        </paragraph>
+        <paragraph>five</paragraph>
+        <paragraph>six</paragraph>
       </quote>
     </document>
   </value>
@@ -37,12 +29,8 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
       </quote>
       <paragraph>
         <anchor />three
@@ -51,12 +39,8 @@ export const output = (
         <focus />four
       </paragraph>
       <quote>
-        <paragraph>
-          five
-        </paragraph>
-        <paragraph>
-          six
-        </paragraph>
+        <paragraph>five</paragraph>
+        <paragraph>six</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/nested-block.js b/packages/slate/test/changes/at-current-range/unwrap-block/nested-block.js
index 89226311f..71ac9e33e 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/nested-block.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/nested-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/single-block.js b/packages/slate/test/changes/at-current-range/unwrap-block/single-block.js
index 43bda4fbb..76d337c69 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/single-block.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/starting-child-blocks.js b/packages/slate/test/changes/at-current-range/unwrap-block/starting-child-blocks.js
index 9ae1a7953..952fc027d 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/starting-child-blocks.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/starting-child-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock('quote')
 }
 
@@ -16,18 +16,10 @@ export const input = (
         <paragraph>
           <focus />two
         </paragraph>
-        <paragraph>
-          three
-        </paragraph>
-        <paragraph>
-          four
-        </paragraph>
-        <paragraph>
-          five
-        </paragraph>
-        <paragraph>
-          six
-        </paragraph>
+        <paragraph>three</paragraph>
+        <paragraph>four</paragraph>
+        <paragraph>five</paragraph>
+        <paragraph>six</paragraph>
       </quote>
     </document>
   </value>
@@ -43,18 +35,10 @@ export const output = (
         <focus />two
       </paragraph>
       <quote>
-        <paragraph>
-          three
-        </paragraph>
-        <paragraph>
-          four
-        </paragraph>
-        <paragraph>
-          five
-        </paragraph>
-        <paragraph>
-          six
-        </paragraph>
+        <paragraph>three</paragraph>
+        <paragraph>four</paragraph>
+        <paragraph>five</paragraph>
+        <paragraph>six</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/unwrap-block/with-object.js b/packages/slate/test/changes/at-current-range/unwrap-block/with-object.js
index ea9de3cec..20a75f4a8 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-block/with-object.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-block/with-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlock({
     type: 'quote',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -13,9 +13,7 @@ export const input = (
   <value>
     <document>
       <quote thing="value">
-        <paragraph>
-          word
-        </paragraph>
+        <paragraph>word</paragraph>
       </quote>
     </document>
   </value>
@@ -24,9 +22,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/unwrap-inline/across-blocks.js b/packages/slate/test/changes/at-current-range/unwrap-inline/across-blocks.js
index ba977008b..c84ce8bd4 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-inline/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-inline/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInline('hashtag')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines-and-text.js b/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines-and-text.js
index 24838dc15..62eae7967 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines-and-text.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines-and-text.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInline('link')
 }
 
@@ -10,7 +10,11 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><anchor />one</link>two<link>three<focus /></link>
+        <link>
+          <anchor />one
+        </link>two<link>
+          three<focus />
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines.js b/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines.js
index 783474402..26d5539c6 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-inline/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInline('hashtag')
 }
 
@@ -10,7 +10,18 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor /></link><hashtag><link>rd</link></hashtag><hashtag><link>an</link></hashtag><link>ot<focus />her</link>
+        <link>
+          wo<anchor />
+        </link>
+        <hashtag>
+          <link>rd</link>
+        </hashtag>
+        <hashtag>
+          <link>an</link>
+        </hashtag>
+        <link>
+          ot<focus />her
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +31,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor /></link><link>rd</link><link>an</link><link>ot<focus />her</link>
+        <link>
+          wo<anchor />
+        </link>
+        <link>rd</link>
+        <link>an</link>
+        <link>
+          ot<focus />her
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/unwrap-inline/nested-block.js b/packages/slate/test/changes/at-current-range/unwrap-inline/nested-block.js
index 97281a7e1..e079059bf 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-inline/nested-block.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-inline/nested-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInline('hashtag')
 }
 
@@ -11,7 +11,10 @@ export const input = (
     <document>
       <quote>
         <paragraph>
-          w<anchor /><hashtag>or<focus /></hashtag>d
+          w<anchor />
+          <hashtag>
+            or<focus />
+          </hashtag>d
         </paragraph>
       </quote>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/unwrap-inline/only-one.js b/packages/slate/test/changes/at-current-range/unwrap-inline/only-one.js
index dc24412ff..c00aea811 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-inline/only-one.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-inline/only-one.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInline('hashtag')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        he<hashtag>ll</hashtag>o <anchor />w<hashtag>or<focus /></hashtag>d
+        he<hashtag>ll</hashtag>o <anchor />w<hashtag>
+          or<focus />
+        </hashtag>d
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        he<hashtag>ll</hashtag>o <anchor />wor<focus />d</paragraph>
+        he<hashtag>ll</hashtag>o <anchor />wor<focus />d
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/unwrap-inline/single-block.js b/packages/slate/test/changes/at-current-range/unwrap-inline/single-block.js
index c7410fdbb..2cde7ee57 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-inline/single-block.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-inline/single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInline('hashtag')
 }
 
@@ -10,7 +10,10 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        w<anchor /><hashtag>or<focus /></hashtag>d
+        w<anchor />
+        <hashtag>
+          or<focus />
+        </hashtag>d
       </paragraph>
     </document>
   </value>
@@ -19,7 +22,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>w<anchor />or<focus />d</paragraph>
+      <paragraph>
+        w<anchor />or<focus />d
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/at-current-range/unwrap-inline/with-object.js b/packages/slate/test/changes/at-current-range/unwrap-inline/with-object.js
index b7786c9c8..d73cd71b0 100644
--- a/packages/slate/test/changes/at-current-range/unwrap-inline/with-object.js
+++ b/packages/slate/test/changes/at-current-range/unwrap-inline/with-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInline({
     type: 'hashtag',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -13,7 +13,11 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        w<hashtag thing="value"><hashtag><cursor />or</hashtag></hashtag>d
+        w<hashtag thing="value">
+          <hashtag>
+            <cursor />or
+          </hashtag>
+        </hashtag>d
       </paragraph>
     </document>
   </value>
@@ -23,7 +27,9 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<hashtag><cursor />or</hashtag>d
+        w<hashtag>
+          <cursor />or
+        </hashtag>d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-block/across-blocks.js b/packages/slate/test/changes/at-current-range/wrap-block/across-blocks.js
index 1ec7e479c..5f4b03835 100644
--- a/packages/slate/test/changes/at-current-range/wrap-block/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/wrap-block/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapBlock('quote')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-block/across-inlines.js b/packages/slate/test/changes/at-current-range/wrap-block/across-inlines.js
index e39b3f23f..e841260b7 100644
--- a/packages/slate/test/changes/at-current-range/wrap-block/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/wrap-block/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapBlock('quote')
 }
 
@@ -10,10 +10,14 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
+        <link>
+          wo<anchor />rd
+        </link>
       </paragraph>
       <paragraph>
-        <link>an<focus />other</link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -24,10 +28,14 @@ export const output = (
     <document>
       <quote>
         <paragraph>
-          <link>wo<anchor />rd</link>
+          <link>
+            wo<anchor />rd
+          </link>
         </paragraph>
         <paragraph>
-          <link>an<focus />other</link>
+          <link>
+            an<focus />other
+          </link>
         </paragraph>
       </quote>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/wrap-block/nested-block.js b/packages/slate/test/changes/at-current-range/wrap-block/nested-block.js
index e9da0360f..215789d0c 100644
--- a/packages/slate/test/changes/at-current-range/wrap-block/nested-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-block/nested-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapBlock('quote')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-block/single-block.js b/packages/slate/test/changes/at-current-range/wrap-block/single-block.js
index cb797bb90..60bcc250a 100644
--- a/packages/slate/test/changes/at-current-range/wrap-block/single-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-block/single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapBlock('quote')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-block/with-object.js b/packages/slate/test/changes/at-current-range/wrap-block/with-object.js
index c0c708220..30d14dd4e 100644
--- a/packages/slate/test/changes/at-current-range/wrap-block/with-object.js
+++ b/packages/slate/test/changes/at-current-range/wrap-block/with-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapBlock({
     type: 'quote',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/across-blocks.js b/packages/slate/test/changes/at-current-range/wrap-inline/across-blocks.js
index 55b82da35..43cb2fdbf 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapInline('hashtag')
 }
 
@@ -23,10 +23,13 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        wo<hashtag><anchor />rd</hashtag>
+        wo<hashtag>
+          <anchor />rd
+        </hashtag>
       </paragraph>
       <paragraph>
-        <hashtag>an</hashtag><focus />other
+        <hashtag>an</hashtag>
+        <focus />other
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/across-inlines.js b/packages/slate/test/changes/at-current-range/wrap-inline/across-inlines.js
index 046af6f73..a897590d0 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapInline('hashtag')
 }
 
@@ -10,7 +10,12 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link><link>an<focus />other</link>
+        <link>
+          wo<anchor />rd
+        </link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +25,16 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo</link><hashtag><link><anchor />rd</link><link>an</link></hashtag><link><focus />other</link>
+        <link>wo</link>
+        <hashtag>
+          <link>
+            <anchor />rd
+          </link>
+          <link>an</link>
+        </hashtag>
+        <link>
+          <focus />other
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/inline-void.js b/packages/slate/test/changes/at-current-range/wrap-inline/inline-void.js
index 1aa2fb4df..c9ba3be84 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/inline-void.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/inline-void.js
@@ -2,9 +2,9 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapInline({
-    type: 'link'
+    type: 'link',
   })
 }
 
@@ -12,7 +12,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <emoji><cursor />{' '}</emoji>
+        <emoji>
+          <cursor />{' '}
+        </emoji>
       </paragraph>
     </document>
   </value>
@@ -23,7 +25,9 @@ export const output = (
     <document>
       <paragraph>
         <link>
-          <emoji><cursor />{' '}</emoji>
+          <emoji>
+            <cursor />{' '}
+          </emoji>
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/nested-block.js b/packages/slate/test/changes/at-current-range/wrap-inline/nested-block.js
index 7a84583b3..d7a0d1cc7 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/nested-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/nested-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapInline('hashtag')
 }
 
@@ -23,7 +23,10 @@ export const output = (
     <document>
       <quote>
         <paragraph>
-          w<hashtag><anchor />or</hashtag><focus />d
+          w<hashtag>
+            <anchor />or
+          </hashtag>
+          <focus />d
         </paragraph>
       </quote>
     </document>
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/single-block.js b/packages/slate/test/changes/at-current-range/wrap-inline/single-block.js
index e4d62e4ef..771687e7f 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/single-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapInline('hashtag')
 }
 
@@ -20,7 +20,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<hashtag><anchor />or</hashtag><focus />d
+        w<hashtag>
+          <anchor />or
+        </hashtag>
+        <focus />d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/twice.js b/packages/slate/test/changes/at-current-range/wrap-inline/twice.js
index 4570bbc59..b06cf9551 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/twice.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/twice.js
@@ -2,16 +2,16 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change
-    .wrapInline('link')
-    .wrapInline('hashtag')
+export default function(change) {
+  change.wrapInline('link').wrapInline('hashtag')
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>w<anchor />or<focus />d</paragraph>
+      <paragraph>
+        w<anchor />or<focus />d
+      </paragraph>
     </document>
   </value>
 )
@@ -20,7 +20,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<hashtag><link><anchor />or</link></hashtag><focus />d
+        w<hashtag>
+          <link>
+            <anchor />or
+          </link>
+        </hashtag>
+        <focus />d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/whole-block.js b/packages/slate/test/changes/at-current-range/wrap-inline/whole-block.js
index 60a62e80d..5843ad9fd 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/whole-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/whole-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapInline('hashtag')
 }
 
@@ -20,7 +20,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <hashtag><anchor />word</hashtag><focus />
+        <hashtag>
+          <anchor />word
+        </hashtag>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-inline/with-object.js b/packages/slate/test/changes/at-current-range/wrap-inline/with-object.js
index 43ba0d9a6..c851b4225 100644
--- a/packages/slate/test/changes/at-current-range/wrap-inline/with-object.js
+++ b/packages/slate/test/changes/at-current-range/wrap-inline/with-object.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapInline({
     type: 'hashtag',
-    data: { thing: 'value' }
+    data: { thing: 'value' },
   })
 }
 
@@ -23,7 +23,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        w<hashtag thing="value"><anchor />or</hashtag><focus />d
+        w<hashtag thing="value">
+          <anchor />or
+        </hashtag>
+        <focus />d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/across-blocks.js b/packages/slate/test/changes/at-current-range/wrap-text/across-blocks.js
index 74a501d33..254b6e047 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/across-blocks.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/across-blocks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/across-inlines.js b/packages/slate/test/changes/at-current-range/wrap-text/across-inlines.js
index c2320997e..fd62cf5c3 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/across-inlines.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/across-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
@@ -10,8 +10,12 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>wo<anchor />rd</link>
-        <link>an<focus />other</link>
+        <link>
+          wo<anchor />rd
+        </link>
+        <link>
+          an<focus />other
+        </link>
       </paragraph>
     </document>
   </value>
@@ -21,8 +25,12 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>wo[[<anchor />rd</link>
-        <link>an<focus />]]other</link>
+        <link>
+          wo[[<anchor />rd
+        </link>
+        <link>
+          an<focus />]]other
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/backwards-selection.js b/packages/slate/test/changes/at-current-range/wrap-text/backwards-selection.js
index 1b6697b3b..67fb004d8 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/backwards-selection.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/backwards-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/empty-block.js b/packages/slate/test/changes/at-current-range/wrap-text/empty-block.js
index 9fbe18503..038b6c83e 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/empty-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/empty-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/end-of-block.js b/packages/slate/test/changes/at-current-range/wrap-text/end-of-block.js
index 2c75683f2..a90cd9226 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/end-of-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/end-of-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/middle-of-block.js b/packages/slate/test/changes/at-current-range/wrap-text/middle-of-block.js
index 25f6ca058..f9f681d62 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/middle-of-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/middle-of-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/start-of-block.js b/packages/slate/test/changes/at-current-range/wrap-text/start-of-block.js
index 547c4ad44..7b63bcde1 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/start-of-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/start-of-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/whole-block.js b/packages/slate/test/changes/at-current-range/wrap-text/whole-block.js
index 4a166f107..d47a1cb24 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/whole-block.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/whole-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('[[', ']]')
 }
 
diff --git a/packages/slate/test/changes/at-current-range/wrap-text/without-suffix.js b/packages/slate/test/changes/at-current-range/wrap-text/without-suffix.js
index c4557294a..c76e99143 100644
--- a/packages/slate/test/changes/at-current-range/wrap-text/without-suffix.js
+++ b/packages/slate/test/changes/at-current-range/wrap-text/without-suffix.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapText('**')
 }
 
diff --git a/packages/slate/test/changes/by-key/insert-fragment-by-key/end-of-target.js b/packages/slate/test/changes/by-key/insert-fragment-by-key/end-of-target.js
index 588455773..64911e972 100644
--- a/packages/slate/test/changes/by-key/insert-fragment-by-key/end-of-target.js
+++ b/packages/slate/test/changes/by-key/insert-fragment-by-key/end-of-target.js
@@ -2,25 +2,21 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragmentByKey('a', 1, (
+export default function(change) {
+  change.insertFragmentByKey(
+    'a',
+    1,
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
     </document>
-  ))
+  )
 }
 
 export const input = (
   <value>
     <document key="a">
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
     </document>
   </value>
 )
@@ -28,15 +24,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>word</paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/insert-fragment-by-key/middle-of-target.js b/packages/slate/test/changes/by-key/insert-fragment-by-key/middle-of-target.js
index 69ebb3509..abdb43c4d 100644
--- a/packages/slate/test/changes/by-key/insert-fragment-by-key/middle-of-target.js
+++ b/packages/slate/test/changes/by-key/insert-fragment-by-key/middle-of-target.js
@@ -2,28 +2,22 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragmentByKey('a', 1, (
+export default function(change) {
+  change.insertFragmentByKey(
+    'a',
+    1,
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
     </document>
-  ))
+  )
 }
 
 export const input = (
   <value>
     <document key="a">
-      <paragraph>
-        word
-      </paragraph>
-      <paragraph>
-        another
-      </paragraph>
+      <paragraph>word</paragraph>
+      <paragraph>another</paragraph>
     </document>
   </value>
 )
@@ -31,18 +25,10 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
-      <paragraph>
-        another
-      </paragraph>
+      <paragraph>word</paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
+      <paragraph>another</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/insert-fragment-by-key/start-of-target.js b/packages/slate/test/changes/by-key/insert-fragment-by-key/start-of-target.js
index 3991696c1..d3185732b 100644
--- a/packages/slate/test/changes/by-key/insert-fragment-by-key/start-of-target.js
+++ b/packages/slate/test/changes/by-key/insert-fragment-by-key/start-of-target.js
@@ -2,17 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.insertFragmentByKey('a', 0, (
+export default function(change) {
+  change.insertFragmentByKey(
+    'a',
+    0,
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
     </document>
-  ))
+  )
 }
 
 export const input = (
@@ -28,12 +26,8 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
       <paragraph>
         <cursor />word
       </paragraph>
diff --git a/packages/slate/test/changes/by-key/insert-node-by-key/block.js b/packages/slate/test/changes/by-key/insert-node-by-key/block.js
index 3c7d868bd..fbdaa34fc 100644
--- a/packages/slate/test/changes/by-key/insert-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/insert-node-by-key/block.js
@@ -3,7 +3,7 @@
 import h from '../../../helpers/h'
 import { Block } from '../../../..'
 
-export default function (change) {
+export default function(change) {
   change.insertNodeByKey('a', 0, Block.create('paragraph'))
 }
 
diff --git a/packages/slate/test/changes/by-key/insert-node-by-key/duplicate.js b/packages/slate/test/changes/by-key/insert-node-by-key/duplicate.js
index 74ab65b02..a141961b9 100644
--- a/packages/slate/test/changes/by-key/insert-node-by-key/duplicate.js
+++ b/packages/slate/test/changes/by-key/insert-node-by-key/duplicate.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   const node = change.value.document.getBlocks().first()
   change.insertNodeByKey('a', 0, node)
 }
@@ -20,9 +20,7 @@ export const input = (
 export const output = (
   <value>
     <document key="a">
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <paragraph>
         <cursor />one
       </paragraph>
diff --git a/packages/slate/test/changes/by-key/insert-node-by-key/inline.js b/packages/slate/test/changes/by-key/insert-node-by-key/inline.js
index e111af245..ebdc05174 100644
--- a/packages/slate/test/changes/by-key/insert-node-by-key/inline.js
+++ b/packages/slate/test/changes/by-key/insert-node-by-key/inline.js
@@ -3,11 +3,15 @@
 import h from '../../../helpers/h'
 import { Inline } from '../../../..'
 
-export default function (change) {
-  change.insertNodeByKey('a', 0, Inline.create({
-    type: 'emoji',
-    isVoid: true
-  }))
+export default function(change) {
+  change.insertNodeByKey(
+    'a',
+    0,
+    Inline.create({
+      type: 'emoji',
+      isVoid: true,
+    })
+  )
 }
 
 export const input = (
@@ -16,9 +20,7 @@ export const input = (
       <paragraph key="a">
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -27,11 +29,10 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <emoji /><cursor />one
-      </paragraph>
-      <paragraph>
-        two
+        <emoji />
+        <cursor />one
       </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/selection-after.js b/packages/slate/test/changes/by-key/insert-text-by-key/selection-after.js
index 85dc4992a..efb437180 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/selection-after.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/selection-after.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 4, 'x')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/selection-before.js b/packages/slate/test/changes/by-key/insert-text-by-key/selection-before.js
index f16e63e08..77ad74bc4 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/selection-before.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/selection-before.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 0, 'x')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/selection-end.js b/packages/slate/test/changes/by-key/insert-text-by-key/selection-end.js
index 87b2baa20..73f3f7254 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/selection-end.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/selection-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 3, 'x')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/selection-middle.js b/packages/slate/test/changes/by-key/insert-text-by-key/selection-middle.js
index b9a895065..f72d3b44f 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/selection-middle.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/selection-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 2, 'x')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/selection-start.js b/packages/slate/test/changes/by-key/insert-text-by-key/selection-start.js
index 108509ba7..40d66fe48 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/selection-start.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/selection-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 1, 'x')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/start-text.js b/packages/slate/test/changes/by-key/insert-text-by-key/start-text.js
index 06a6b252b..463083c12 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/start-text.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/start-text.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 0, 'a')
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">wo<cursor />rd</text>
+        <text key="a">
+          wo<cursor />rd
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/text-end.js b/packages/slate/test/changes/by-key/insert-text-by-key/text-end.js
index 8e98e17bf..90611a173 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/text-end.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/text-end.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 4, 'x')
 }
 
@@ -19,9 +19,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        wordx
-      </paragraph>
+      <paragraph>wordx</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/text-middle-with-marks.js b/packages/slate/test/changes/by-key/insert-text-by-key/text-middle-with-marks.js
index 7df1092a4..eaaa50c95 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/text-middle-with-marks.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/text-middle-with-marks.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 2, 'x', [{ type: 'bold' }])
 }
 
diff --git a/packages/slate/test/changes/by-key/insert-text-by-key/text-middle.js b/packages/slate/test/changes/by-key/insert-text-by-key/text-middle.js
index 3c8866e47..a8bbefd7e 100644
--- a/packages/slate/test/changes/by-key/insert-text-by-key/text-middle.js
+++ b/packages/slate/test/changes/by-key/insert-text-by-key/text-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.insertTextByKey('a', 2, 'x')
 }
 
@@ -19,9 +19,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        woxrd
-      </paragraph>
+      <paragraph>woxrd</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/merge-node-by-key/block.js b/packages/slate/test/changes/by-key/merge-node-by-key/block.js
index 1c5eb1f89..17e385eb6 100644
--- a/packages/slate/test/changes/by-key/merge-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/merge-node-by-key/block.js
@@ -2,19 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.mergeNodeByKey('a')
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph key="a">
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph key="a">two</paragraph>
     </document>
   </value>
 )
@@ -22,9 +18,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        onetwo
-      </paragraph>
+      <paragraph>onetwo</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/move-node-by-key/block.js b/packages/slate/test/changes/by-key/move-node-by-key/block.js
index 2c7b8fdc1..56d574eee 100644
--- a/packages/slate/test/changes/by-key/move-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/move-node-by-key/block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.moveNodeByKey('a', 'b', 1)
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <paragraph key="a">
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -22,9 +20,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
       <paragraph>
         <cursor />one
       </paragraph>
diff --git a/packages/slate/test/changes/by-key/move-node-by-key/inline.js b/packages/slate/test/changes/by-key/move-node-by-key/inline.js
index dd525ff3d..ecf556b22 100644
--- a/packages/slate/test/changes/by-key/move-node-by-key/inline.js
+++ b/packages/slate/test/changes/by-key/move-node-by-key/inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.moveNodeByKey('a', 'b', 3)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph key="b">
-        <link key="a"><cursor />one</link>
+        <link key="a">
+          <cursor />one
+        </link>
         <link>two</link>
       </paragraph>
     </document>
@@ -22,7 +24,9 @@ export const output = (
     <document>
       <paragraph>
         <link>two</link>
-        <link><cursor />one</link>
+        <link>
+          <cursor />one
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/move-node-by-key/text.js b/packages/slate/test/changes/by-key/move-node-by-key/text.js
index f472bb894..7aab1c000 100644
--- a/packages/slate/test/changes/by-key/move-node-by-key/text.js
+++ b/packages/slate/test/changes/by-key/move-node-by-key/text.js
@@ -2,16 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.moveNodeByKey('a', 'b', 1)
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph key="b">
-        one
-      </paragraph>
+      <paragraph key="b">one</paragraph>
       <paragraph>
         <text key="a">two</text>
       </paragraph>
@@ -22,9 +20,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        onetwo
-      </paragraph>
+      <paragraph>onetwo</paragraph>
       <paragraph />
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/move-node-by-key/to-sibling.js b/packages/slate/test/changes/by-key/move-node-by-key/to-sibling.js
index 1c0103c3f..f9ede1fef 100644
--- a/packages/slate/test/changes/by-key/move-node-by-key/to-sibling.js
+++ b/packages/slate/test/changes/by-key/move-node-by-key/to-sibling.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.moveNodeByKey('a', 'b', 1)
 }
 
@@ -13,9 +13,7 @@ export const input = (
         <cursor />one
       </paragraph>
       <quote key="b">
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>two</paragraph>
       </quote>
     </document>
   </value>
@@ -25,9 +23,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>two</paragraph>
         <paragraph>
           <cursor />one
         </paragraph>
diff --git a/packages/slate/test/changes/by-key/remove-node-by-key/block.js b/packages/slate/test/changes/by-key/remove-node-by-key/block.js
index 8490df57e..07373ad79 100644
--- a/packages/slate/test/changes/by-key/remove-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/remove-node-by-key/block.js
@@ -2,19 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeNodeByKey('a')
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph key="a">
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph key="a">two</paragraph>
     </document>
   </value>
 )
@@ -22,9 +18,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/remove-node-by-key/inline.js b/packages/slate/test/changes/by-key/remove-node-by-key/inline.js
index 46ec87fbf..af5846d85 100644
--- a/packages/slate/test/changes/by-key/remove-node-by-key/inline.js
+++ b/packages/slate/test/changes/by-key/remove-node-by-key/inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeNodeByKey('a')
 }
 
@@ -12,9 +12,7 @@ export const input = (
       <paragraph>
         <link key="a">one</link>
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -23,9 +21,7 @@ export const output = (
   <value>
     <document>
       <paragraph />
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/remove-node-by-key/selection-inside.js b/packages/slate/test/changes/by-key/remove-node-by-key/selection-inside.js
index eef73e3c4..de92168c5 100644
--- a/packages/slate/test/changes/by-key/remove-node-by-key/selection-inside.js
+++ b/packages/slate/test/changes/by-key/remove-node-by-key/selection-inside.js
@@ -2,18 +2,18 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeNodeByKey('a')
 }
 
 export const input = (
   <value>
     <document>
+      <paragraph>one</paragraph>
       <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        <text key="a">t<cursor />wo</text>
+        <text key="a">
+          t<cursor />wo
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-node-by-key/text.js b/packages/slate/test/changes/by-key/remove-node-by-key/text.js
index a114adfa7..6446f4ecc 100644
--- a/packages/slate/test/changes/by-key/remove-node-by-key/text.js
+++ b/packages/slate/test/changes/by-key/remove-node-by-key/text.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeNodeByKey('a')
 }
 
@@ -10,11 +10,11 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a"><cursor />one</text>
-      </paragraph>
-      <paragraph>
-        two
+        <text key="a">
+          <cursor />one
+        </text>
       </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/adjacent-non-void-inlines.js b/packages/slate/test/changes/by-key/remove-text-by-key/adjacent-non-void-inlines.js
index f6c2f6199..106f14188 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/adjacent-non-void-inlines.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/adjacent-non-void-inlines.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 0, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>one</link><text key="a">a</text><link>two</link>
+        <link>one</link>
+        <text key="a">a</text>
+        <link>two</link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>one</link><link>two</link>
+        <link>one</link>
+        <link>two</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/inline-last-character.js b/packages/slate/test/changes/by-key/remove-text-by-key/inline-last-character.js
index 8824b6ae1..7af8bf964 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/inline-last-character.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/inline-last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 0, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><text key="a">a</text></link>
+        <link>
+          <text key="a">a</text>
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/inline-nested-last-character.js b/packages/slate/test/changes/by-key/remove-text-by-key/inline-nested-last-character.js
index 53eab291b..6004d6afe 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/inline-nested-last-character.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/inline-nested-last-character.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 0, 1)
 }
 
@@ -10,7 +10,13 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><hashtag><text key="a"><cursor />a</text></hashtag></link>
+        <link>
+          <hashtag>
+            <text key="a">
+              <cursor />a
+            </text>
+          </hashtag>
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/inline-void.js b/packages/slate/test/changes/by-key/remove-text-by-key/inline-void.js
index 1dbea7013..dd69661a7 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/inline-void.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/inline-void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 0, 1)
 }
 
@@ -11,7 +11,9 @@ export const input = (
     <document>
       <paragraph>
         <emoji>
-          <text key="a"><cursor />{' '}</text>
+          <text key="a">
+            <cursor />{' '}
+          </text>
         </emoji>
       </paragraph>
     </document>
@@ -22,7 +24,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <cursor /><emoji />
+        <cursor />
+        <emoji />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/inline.js b/packages/slate/test/changes/by-key/remove-text-by-key/inline.js
index aa0fbae8c..87037acc4 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/inline.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 3, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link><text key="a">word</text></link>
+        <link>
+          <text key="a">word</text>
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/next-void-inline.js b/packages/slate/test/changes/by-key/remove-text-by-key/next-void-inline.js
index 5220c7202..4a88c9f6a 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/next-void-inline.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/next-void-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 0, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>one</link><text key="a">a</text><emoji />
+        <link>one</link>
+        <text key="a">a</text>
+        <emoji />
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>one</link><emoji />
+        <link>one</link>
+        <emoji />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/previous-void-inline.js b/packages/slate/test/changes/by-key/remove-text-by-key/previous-void-inline.js
index 32c996b46..310de2ba7 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/previous-void-inline.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/previous-void-inline.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 0, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <emoji /><text key="a">a</text><link>two</link>
+        <emoji />
+        <text key="a">a</text>
+        <link>two</link>
       </paragraph>
     </document>
   </value>
@@ -20,7 +22,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <emoji /><link>two</link>
+        <emoji />
+        <link>two</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/selection-after.js b/packages/slate/test/changes/by-key/remove-text-by-key/selection-after.js
index 79150ca94..ec3741498 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/selection-after.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/selection-after.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 3, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/selection-before.js b/packages/slate/test/changes/by-key/remove-text-by-key/selection-before.js
index eb0fc6eaf..842a77cf0 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/selection-before.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/selection-before.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 0, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/selection-middle.js b/packages/slate/test/changes/by-key/remove-text-by-key/selection-middle.js
index 8bc9b0a88..f909d2450 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/selection-middle.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/selection-middle.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 2, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a"><anchor />word<focus /></text>
+        <text key="a">
+          <anchor />word<focus />
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/selection-start.js b/packages/slate/test/changes/by-key/remove-text-by-key/selection-start.js
index de1cd2756..75c2f2326 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/selection-start.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/selection-start.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 2, 1)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a">w<anchor />or<focus />d</text>
+        <text key="a">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/remove-text-by-key/text.js b/packages/slate/test/changes/by-key/remove-text-by-key/text.js
index 4ea9405f4..c38a3aa1f 100644
--- a/packages/slate/test/changes/by-key/remove-text-by-key/text.js
+++ b/packages/slate/test/changes/by-key/remove-text-by-key/text.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.removeTextByKey('a', 3, 1)
 }
 
@@ -19,9 +19,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        wor
-      </paragraph>
+      <paragraph>wor</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/replace-node-by-key/block.js b/packages/slate/test/changes/by-key/replace-node-by-key/block.js
index 56c9a12a1..3b4294986 100644
--- a/packages/slate/test/changes/by-key/replace-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/replace-node-by-key/block.js
@@ -2,19 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.replaceNodeByKey('a', { object: 'block', type: 'quote' })
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph key="a">
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph key="a">two</paragraph>
     </document>
   </value>
 )
@@ -22,9 +18,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <quote />
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/replace-node-by-key/inline.js b/packages/slate/test/changes/by-key/replace-node-by-key/inline.js
index 141c1b9b2..d4f9b91fd 100644
--- a/packages/slate/test/changes/by-key/replace-node-by-key/inline.js
+++ b/packages/slate/test/changes/by-key/replace-node-by-key/inline.js
@@ -2,8 +2,12 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.replaceNodeByKey('a', { object: 'inline', type: 'emoji', isVoid: true })
+export default function(change) {
+  change.replaceNodeByKey('a', {
+    object: 'inline',
+    type: 'emoji',
+    isVoid: true,
+  })
 }
 
 export const input = (
diff --git a/packages/slate/test/changes/by-key/replace-node-by-key/text.js b/packages/slate/test/changes/by-key/replace-node-by-key/text.js
index 1182cb81f..11aafe268 100644
--- a/packages/slate/test/changes/by-key/replace-node-by-key/text.js
+++ b/packages/slate/test/changes/by-key/replace-node-by-key/text.js
@@ -2,16 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.replaceNodeByKey('a', { object: 'text', leaves: [{ text: 'three' }] })
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <paragraph>
         <text key="a">one</text>
       </paragraph>
@@ -22,12 +20,8 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/set-mark-by-key/with-data.js b/packages/slate/test/changes/by-key/set-mark-by-key/with-data.js
index f483fb6da..cbb57aef7 100644
--- a/packages/slate/test/changes/by-key/set-mark-by-key/with-data.js
+++ b/packages/slate/test/changes/by-key/set-mark-by-key/with-data.js
@@ -2,20 +2,28 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.setMarkByKey('a', 0, 2, {
-    type: 'bold',
-    data: { thing: 'value' },
-  }, {
-    data: { thing: false },
-  })
+export default function(change) {
+  change.setMarkByKey(
+    'a',
+    0,
+    2,
+    {
+      type: 'bold',
+      data: { thing: 'value' },
+    },
+    {
+      data: { thing: false },
+    }
+  )
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <text key="a"><b thing="value">word</b></text>
+        <text key="a">
+          <b thing="value">word</b>
+        </text>
       </paragraph>
     </document>
   </value>
@@ -25,7 +33,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <b thing={false}>wo</b><b thing="value">rd</b>
+        <b thing={false}>wo</b>
+        <b thing="value">rd</b>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/set-node-by-key/block.js b/packages/slate/test/changes/by-key/set-node-by-key/block.js
index 05deb2d29..b6d907342 100644
--- a/packages/slate/test/changes/by-key/set-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/set-node-by-key/block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setNodeByKey('a', {
     type: 'quote',
     data: { thing: false },
@@ -12,9 +12,7 @@ export default function (change) {
 export const input = (
   <value>
     <document>
-      <paragraph key="a">
-        word
-      </paragraph>
+      <paragraph key="a">word</paragraph>
     </document>
   </value>
 )
@@ -22,9 +20,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <quote thing={false}>
-        word
-      </quote>
+      <quote thing={false}>word</quote>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/set-node-by-key/inline-with-is-void.js b/packages/slate/test/changes/by-key/set-node-by-key/inline-with-is-void.js
index dec228d55..bb12869eb 100644
--- a/packages/slate/test/changes/by-key/set-node-by-key/inline-with-is-void.js
+++ b/packages/slate/test/changes/by-key/set-node-by-key/inline-with-is-void.js
@@ -2,10 +2,10 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setNodeByKey('a', {
     type: 'emoji',
-    isVoid: true
+    isVoid: true,
   })
 }
 
@@ -13,7 +13,9 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link key="a"><cursor />word</link>
+        <link key="a">
+          <cursor />word
+        </link>
       </paragraph>
     </document>
   </value>
@@ -23,7 +25,8 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <cursor /><emoji />
+        <cursor />
+        <emoji />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/set-node-by-key/string-shorthand.js b/packages/slate/test/changes/by-key/set-node-by-key/string-shorthand.js
index 682eb8c96..755593220 100644
--- a/packages/slate/test/changes/by-key/set-node-by-key/string-shorthand.js
+++ b/packages/slate/test/changes/by-key/set-node-by-key/string-shorthand.js
@@ -2,16 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.setNodeByKey('a', 'quote')
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph key="a">
-        word
-      </paragraph>
+      <paragraph key="a">word</paragraph>
     </document>
   </value>
 )
@@ -19,9 +17,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <quote>
-        word
-      </quote>
+      <quote>word</quote>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/split-descendants-by-key/block-with-selection.js b/packages/slate/test/changes/by-key/split-descendants-by-key/block-with-selection.js
index 2b3b368e5..5be2b996f 100644
--- a/packages/slate/test/changes/by-key/split-descendants-by-key/block-with-selection.js
+++ b/packages/slate/test/changes/by-key/split-descendants-by-key/block-with-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitDescendantsByKey('a', 'b', 2)
 }
 
@@ -10,7 +10,9 @@ export const input = (
   <value>
     <document>
       <paragraph key="a">
-        <text key="b">w<anchor />or<focus />d</text>
+        <text key="b">
+          w<anchor />or<focus />d
+        </text>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/split-descendants-by-key/block.js b/packages/slate/test/changes/by-key/split-descendants-by-key/block.js
index 9356b91cb..630283af3 100644
--- a/packages/slate/test/changes/by-key/split-descendants-by-key/block.js
+++ b/packages/slate/test/changes/by-key/split-descendants-by-key/block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitDescendantsByKey('a', 'b', 2)
 }
 
@@ -19,12 +19,8 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        wo
-      </paragraph>
-      <paragraph>
-        rd
-      </paragraph>
+      <paragraph>wo</paragraph>
+      <paragraph>rd</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/split-node-by-key/block-with-selection.js b/packages/slate/test/changes/by-key/split-node-by-key/block-with-selection.js
index 512b1c47e..c5ac39e0d 100644
--- a/packages/slate/test/changes/by-key/split-node-by-key/block-with-selection.js
+++ b/packages/slate/test/changes/by-key/split-node-by-key/block-with-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitNodeByKey('a', 2)
 }
 
@@ -10,7 +10,12 @@ export const input = (
   <value>
     <document>
       <paragraph key="a">
-        <link>o<anchor />ne</link><link>tw<focus />o</link>
+        <link>
+          o<anchor />ne
+        </link>
+        <link>
+          tw<focus />o
+        </link>
       </paragraph>
     </document>
   </value>
@@ -20,10 +25,14 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <link>o<anchor />ne</link>
+        <link>
+          o<anchor />ne
+        </link>
       </paragraph>
       <paragraph>
-        <link>tw<focus />o</link>
+        <link>
+          tw<focus />o
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/split-node-by-key/block.js b/packages/slate/test/changes/by-key/split-node-by-key/block.js
index 9e0ffb3a3..9c68b6cbe 100644
--- a/packages/slate/test/changes/by-key/split-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/split-node-by-key/block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.splitNodeByKey('a', 2)
 }
 
@@ -10,7 +10,8 @@ export const input = (
   <value>
     <document>
       <paragraph key="a">
-        <link>one</link><link>two</link>
+        <link>one</link>
+        <link>two</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/unwrap-block-by-key/single-block.js b/packages/slate/test/changes/by-key/unwrap-block-by-key/single-block.js
index fbfd704f8..5f6e15506 100644
--- a/packages/slate/test/changes/by-key/unwrap-block-by-key/single-block.js
+++ b/packages/slate/test/changes/by-key/unwrap-block-by-key/single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapBlockByKey('a', 'quote')
 }
 
@@ -10,14 +10,10 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph key="a">
-          word
-        </paragraph>
+        <paragraph key="a">word</paragraph>
       </quote>
       <quote>
-        <paragraph>
-          word
-        </paragraph>
+        <paragraph>word</paragraph>
       </quote>
     </document>
   </value>
@@ -26,13 +22,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
       <quote>
-        <paragraph>
-          word
-        </paragraph>
+        <paragraph>word</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/unwrap-inline-by-key/single-block.js b/packages/slate/test/changes/by-key/unwrap-inline-by-key/single-block.js
index 8d7cda31d..c223c3ec9 100644
--- a/packages/slate/test/changes/by-key/unwrap-inline-by-key/single-block.js
+++ b/packages/slate/test/changes/by-key/unwrap-inline-by-key/single-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapInlineByKey('a', 'link')
 }
 
diff --git a/packages/slate/test/changes/by-key/unwrap-node-by-key/block.js b/packages/slate/test/changes/by-key/unwrap-node-by-key/block.js
index 86aeaad32..91d6a06a6 100644
--- a/packages/slate/test/changes/by-key/unwrap-node-by-key/block.js
+++ b/packages/slate/test/changes/by-key/unwrap-node-by-key/block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapNodeByKey('a')
 }
 
@@ -10,9 +10,7 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph key="a">
-          word
-        </paragraph>
+        <paragraph key="a">word</paragraph>
       </quote>
     </document>
   </value>
@@ -21,9 +19,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
+      <paragraph>word</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/unwrap-node-by-key/first-block.js b/packages/slate/test/changes/by-key/unwrap-node-by-key/first-block.js
index 71c7a8f4c..3482fdda6 100644
--- a/packages/slate/test/changes/by-key/unwrap-node-by-key/first-block.js
+++ b/packages/slate/test/changes/by-key/unwrap-node-by-key/first-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapNodeByKey('a')
 }
 
@@ -10,12 +10,8 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph key="a">
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph key="a">one</paragraph>
+        <paragraph>two</paragraph>
       </quote>
     </document>
   </value>
@@ -24,13 +20,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
       <quote>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>two</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/unwrap-node-by-key/last-block.js b/packages/slate/test/changes/by-key/unwrap-node-by-key/last-block.js
index 67d244f16..87a69a40d 100644
--- a/packages/slate/test/changes/by-key/unwrap-node-by-key/last-block.js
+++ b/packages/slate/test/changes/by-key/unwrap-node-by-key/last-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapNodeByKey('a')
 }
 
@@ -10,12 +10,8 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph key="a">
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph key="a">two</paragraph>
       </quote>
     </document>
   </value>
@@ -25,13 +21,9 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
       </quote>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/by-key/unwrap-node-by-key/middle-block.js b/packages/slate/test/changes/by-key/unwrap-node-by-key/middle-block.js
index b1cc95036..c46a020cc 100644
--- a/packages/slate/test/changes/by-key/unwrap-node-by-key/middle-block.js
+++ b/packages/slate/test/changes/by-key/unwrap-node-by-key/middle-block.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.unwrapNodeByKey('a')
 }
 
@@ -10,15 +10,9 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph key="a">
-          two
-        </paragraph>
-        <paragraph>
-          three
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph key="a">two</paragraph>
+        <paragraph>three</paragraph>
       </quote>
     </document>
   </value>
@@ -28,17 +22,11 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
       </quote>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
       <quote>
-        <paragraph>
-          three
-        </paragraph>
+        <paragraph>three</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/wrap-block-by-key/block.js b/packages/slate/test/changes/by-key/wrap-block-by-key/block.js
index 33c485a1c..f046378c9 100644
--- a/packages/slate/test/changes/by-key/wrap-block-by-key/block.js
+++ b/packages/slate/test/changes/by-key/wrap-block-by-key/block.js
@@ -2,16 +2,14 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapBlockByKey('a', 'quote')
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph key="a">
-        word
-      </paragraph>
+      <paragraph key="a">word</paragraph>
     </document>
   </value>
 )
@@ -20,9 +18,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          word
-        </paragraph>
+        <paragraph>word</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/changes/by-key/wrap-block-by-key/text.js b/packages/slate/test/changes/by-key/wrap-block-by-key/text.js
index 29818b822..0966708a1 100644
--- a/packages/slate/test/changes/by-key/wrap-block-by-key/text.js
+++ b/packages/slate/test/changes/by-key/wrap-block-by-key/text.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.wrapBlockByKey('a', 'quote')
 }
 
@@ -20,9 +20,7 @@ export const output = (
   <value>
     <document>
       <paragraph>
-        <quote>
-          word
-        </quote>
+        <quote>word</quote>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/changes/general/call/call-no-arguments.js b/packages/slate/test/changes/general/call/call-no-arguments.js
index dc7b83493..899e17a66 100644
--- a/packages/slate/test/changes/general/call/call-no-arguments.js
+++ b/packages/slate/test/changes/general/call/call-no-arguments.js
@@ -9,7 +9,7 @@ function insertImageBlock(change, blockType) {
   })
 }
 
-export default function (change) {
+export default function(change) {
   change.call(insertImageBlock)
 }
 
@@ -19,9 +19,7 @@ export const input = (
       <paragraph>
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -30,14 +28,11 @@ export const output = (
   <value>
     <document>
       <image>
-        {' '}<cursor />
+        {' '}
+        <cursor />
       </image>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/general/call/call-with-arguments.js b/packages/slate/test/changes/general/call/call-with-arguments.js
index b825f7fab..a10213835 100644
--- a/packages/slate/test/changes/general/call/call-with-arguments.js
+++ b/packages/slate/test/changes/general/call/call-with-arguments.js
@@ -9,7 +9,7 @@ function insertVoid(change, blockType) {
   })
 }
 
-export default function (change) {
+export default function(change) {
   change.call(insertVoid, 'image')
 }
 
@@ -19,9 +19,7 @@ export const input = (
       <paragraph>
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -30,14 +28,11 @@ export const output = (
   <value>
     <document>
       <image>
-        {' '}<cursor />
+        {' '}
+        <cursor />
       </image>
-      <paragraph>
-        one
-      </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>one</paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/index.js b/packages/slate/test/changes/index.js
index 963fcf11c..a6df28834 100644
--- a/packages/slate/test/changes/index.js
+++ b/packages/slate/test/changes/index.js
@@ -1,4 +1,3 @@
-
 import assert from 'assert'
 import fs from 'fs-promise' // eslint-disable-line import/no-extraneous-dependencies
 import toCamel from 'to-camel-case' // eslint-disable-line import/no-extraneous-dependencies
@@ -10,7 +9,9 @@ import { basename, extname, resolve } from 'path'
 
 describe('changes', async () => {
   const dir = resolve(__dirname)
-  const categories = fs.readdirSync(dir).filter(c => c[0] != '.' && c != 'index.js')
+  const categories = fs
+    .readdirSync(dir)
+    .filter(c => c[0] != '.' && c != 'index.js')
 
   for (const category of categories) {
     describe(category, () => {
@@ -20,7 +21,10 @@ describe('changes', async () => {
       for (const method of methods) {
         describe(toCamel(method), () => {
           const testDir = resolve(categoryDir, method)
-          const tests = fs.readdirSync(testDir).filter(t => t[0] != '.' && !!~t.indexOf('.js')).map(t => basename(t, extname(t)))
+          const tests = fs
+            .readdirSync(testDir)
+            .filter(t => t[0] != '.' && !!~t.indexOf('.js'))
+            .map(t => basename(t, extname(t)))
 
           for (const test of tests) {
             it(test, async () => {
diff --git a/packages/slate/test/changes/on-selection/blur/basic.js b/packages/slate/test/changes/on-selection/blur/basic.js
index 6ed2def84..43543532e 100644
--- a/packages/slate/test/changes/on-selection/blur/basic.js
+++ b/packages/slate/test/changes/on-selection/blur/basic.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.blur()
 }
 
@@ -19,9 +19,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/on-selection/collapse-to-anchor/already-collapsed.js b/packages/slate/test/changes/on-selection/collapse-to-anchor/already-collapsed.js
index 0f76bd508..067549e3f 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-anchor/already-collapsed.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-anchor/already-collapsed.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToAnchor()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-anchor/basic.js b/packages/slate/test/changes/on-selection/collapse-to-anchor/basic.js
index 4a90c4938..f07f958c7 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-anchor/basic.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-anchor/basic.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToAnchor()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-end/already-collapsed.js b/packages/slate/test/changes/on-selection/collapse-to-end/already-collapsed.js
index 8ccdf4c7f..fb1a38b48 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-end/already-collapsed.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-end/already-collapsed.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToEnd()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-end/basic.js b/packages/slate/test/changes/on-selection/collapse-to-end/basic.js
index 19a7b94d6..81e88a288 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-end/basic.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-end/basic.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToEnd()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-end/void.js b/packages/slate/test/changes/on-selection/collapse-to-end/void.js
index 1cc1d95e8..b1842c0cd 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-end/void.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-end/void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToEnd()
 }
 
@@ -10,7 +10,7 @@ export const input = (
   <value>
     <document>
       <image>
-        <anchor />{' '}<focus />
+        <anchor /> <focus />
       </image>
     </document>
   </value>
@@ -20,7 +20,8 @@ export const output = (
   <value>
     <document>
       <image>
-        {' '}<cursor />
+        {' '}
+        <cursor />
       </image>
     </document>
   </value>
diff --git a/packages/slate/test/changes/on-selection/collapse-to-focus/already-collapsed.js b/packages/slate/test/changes/on-selection/collapse-to-focus/already-collapsed.js
index c3bd182fb..4d1bc40d3 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-focus/already-collapsed.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-focus/already-collapsed.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToFocus()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-focus/basic.js b/packages/slate/test/changes/on-selection/collapse-to-focus/basic.js
index 4be87eef7..382c6fac1 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-focus/basic.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-focus/basic.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToFocus()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-start/already-collapsed.js b/packages/slate/test/changes/on-selection/collapse-to-start/already-collapsed.js
index fcb0b5cda..69703022a 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-start/already-collapsed.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-start/already-collapsed.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToStart()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-start/basic.js b/packages/slate/test/changes/on-selection/collapse-to-start/basic.js
index c65b82702..b92027eb9 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-start/basic.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-start/basic.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToStart()
 }
 
diff --git a/packages/slate/test/changes/on-selection/collapse-to-start/void.js b/packages/slate/test/changes/on-selection/collapse-to-start/void.js
index edb61f401..fc2720b00 100644
--- a/packages/slate/test/changes/on-selection/collapse-to-start/void.js
+++ b/packages/slate/test/changes/on-selection/collapse-to-start/void.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.collapseToStart()
 }
 
@@ -10,7 +10,7 @@ export const input = (
   <value>
     <document>
       <image>
-        <anchor />{' '}<focus />
+        <anchor /> <focus />
       </image>
     </document>
   </value>
diff --git a/packages/slate/test/changes/on-selection/focus/basic.js b/packages/slate/test/changes/on-selection/focus/basic.js
index 9c9d920d8..de85a697b 100644
--- a/packages/slate/test/changes/on-selection/focus/basic.js
+++ b/packages/slate/test/changes/on-selection/focus/basic.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.focus()
 }
 
@@ -17,7 +17,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph><cursor />one</paragraph>
+      <paragraph>
+        <cursor />one
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/changes/on-selection/move-to/with-object.js b/packages/slate/test/changes/on-selection/move-to/with-object.js
index b4e26bf7d..f05120747 100644
--- a/packages/slate/test/changes/on-selection/move-to/with-object.js
+++ b/packages/slate/test/changes/on-selection/move-to/with-object.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   const { value } = change
   const { startText } = value
   change.select({
diff --git a/packages/slate/test/changes/on-selection/move-to/with-selection.js b/packages/slate/test/changes/on-selection/move-to/with-selection.js
index 349b3fbeb..bd3d0e515 100644
--- a/packages/slate/test/changes/on-selection/move-to/with-selection.js
+++ b/packages/slate/test/changes/on-selection/move-to/with-selection.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   const { value } = change
   const { selection, startText } = value
   const range = selection.merge({
diff --git a/packages/slate/test/changes/on-selection/select-all/basic.js b/packages/slate/test/changes/on-selection/select-all/basic.js
index 43ff220d1..9b89fa2aa 100644
--- a/packages/slate/test/changes/on-selection/select-all/basic.js
+++ b/packages/slate/test/changes/on-selection/select-all/basic.js
@@ -2,7 +2,7 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
+export default function(change) {
   change.selectAll()
 }
 
@@ -12,12 +12,8 @@ export const input = (
       <paragraph>
         <cursor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
-      <paragraph>
-        three
-      </paragraph>
+      <paragraph>two</paragraph>
+      <paragraph>three</paragraph>
     </document>
   </value>
 )
@@ -28,9 +24,7 @@ export const output = (
       <paragraph>
         <anchor />one
       </paragraph>
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
       <paragraph>
         three<focus />
       </paragraph>
diff --git a/packages/slate/test/changes/on-state/set-data/simple.js b/packages/slate/test/changes/on-state/set-data/simple.js
index 580e3b0f0..ec07d76cd 100644
--- a/packages/slate/test/changes/on-state/set-data/simple.js
+++ b/packages/slate/test/changes/on-state/set-data/simple.js
@@ -2,19 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default function (change) {
-  change.setValue({ data: { thing: 'value' }})
+export default function(change) {
+  change.setValue({ data: { thing: 'value' } })
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        word
-      </paragraph>
-      <paragraph>
-        another
-      </paragraph>
+      <paragraph>word</paragraph>
+      <paragraph>another</paragraph>
     </document>
   </value>
 )
@@ -22,12 +18,8 @@ export const input = (
 export const output = (
   <value data={{ thing: 'value' }}>
     <document>
-      <paragraph>
-        word
-      </paragraph>
-      <paragraph>
-        another
-      </paragraph>
+      <paragraph>word</paragraph>
+      <paragraph>another</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/helpers/h.js b/packages/slate/test/helpers/h.js
index 938dd381d..c6e1b13aa 100644
--- a/packages/slate/test/helpers/h.js
+++ b/packages/slate/test/helpers/h.js
@@ -1,4 +1,3 @@
-
 import { createHyperscript } from 'slate-hyperscript'
 
 /**
@@ -18,7 +17,7 @@ const h = createHyperscript({
     image: {
       type: 'image',
       isVoid: true,
-    }
+    },
   },
   inlines: {
     link: 'link',
@@ -27,7 +26,7 @@ const h = createHyperscript({
     emoji: {
       type: 'emoji',
       isVoid: true,
-    }
+    },
   },
   marks: {
     b: 'bold',
diff --git a/packages/slate/test/history/index.js b/packages/slate/test/history/index.js
index 9eb9b6056..5b143dcbe 100644
--- a/packages/slate/test/history/index.js
+++ b/packages/slate/test/history/index.js
@@ -1,4 +1,3 @@
-
 import assert from 'assert'
 import fs from 'fs'
 import { basename, extname, resolve } from 'path'
@@ -9,12 +8,17 @@ import { basename, extname, resolve } from 'path'
 
 describe('history', async () => {
   const dir = resolve(__dirname)
-  const methods = fs.readdirSync(dir).filter(d => d[0] != '.' && d != 'index.js')
+  const methods = fs
+    .readdirSync(dir)
+    .filter(d => d[0] != '.' && d != 'index.js')
 
   for (const method of methods) {
     describe(method, () => {
       const testDir = resolve(dir, method)
-      const tests = fs.readdirSync(testDir).filter(f => f[0] != '.' && !!~f.indexOf('.js')).map(f => basename(f, extname(f)))
+      const tests = fs
+        .readdirSync(testDir)
+        .filter(f => f[0] != '.' && !!~f.indexOf('.js'))
+        .map(f => basename(f, extname(f)))
 
       for (const test of tests) {
         const module = require(resolve(testDir, test))
diff --git a/packages/slate/test/history/undo/add-mark-across-blocks.js b/packages/slate/test/history/undo/add-mark-across-blocks.js
index ee08000c5..4a5902394 100644
--- a/packages/slate/test/history/undo/add-mark-across-blocks.js
+++ b/packages/slate/test/history/undo/add-mark-across-blocks.js
@@ -2,14 +2,12 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .addMark('bold')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
diff --git a/packages/slate/test/history/undo/add-mark-across-marks.js b/packages/slate/test/history/undo/add-mark-across-marks.js
index 459f72dc6..4e029333e 100644
--- a/packages/slate/test/history/undo/add-mark-across-marks.js
+++ b/packages/slate/test/history/undo/add-mark-across-marks.js
@@ -2,21 +2,21 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .addMark('bold')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <i>w<anchor />o</i>r<focus />d
+        <i>
+          w<anchor />o
+        </i>r<focus />d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/history/undo/add-mark-across-same-mark.js b/packages/slate/test/history/undo/add-mark-across-same-mark.js
index 3013aad83..d26b971fb 100644
--- a/packages/slate/test/history/undo/add-mark-across-same-mark.js
+++ b/packages/slate/test/history/undo/add-mark-across-same-mark.js
@@ -2,21 +2,21 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .addMark('bold')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <b>w<anchor />o</b>r<focus />d
+        <b>
+          w<anchor />o
+        </b>r<focus />d
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/history/undo/add-mark.js b/packages/slate/test/history/undo/add-mark.js
index 4311baca8..a7e4e272c 100644
--- a/packages/slate/test/history/undo/add-mark.js
+++ b/packages/slate/test/history/undo/add-mark.js
@@ -2,14 +2,12 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .addMark('bold')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
diff --git a/packages/slate/test/history/undo/delete-across-blocks.js b/packages/slate/test/history/undo/delete-across-blocks.js
index 73b2ffedd..46e0c4bbd 100644
--- a/packages/slate/test/history/undo/delete-across-blocks.js
+++ b/packages/slate/test/history/undo/delete-across-blocks.js
@@ -2,14 +2,12 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .delete()
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 // the paragraph and code blocks have some random data
diff --git a/packages/slate/test/history/undo/delete-across-inlines.js b/packages/slate/test/history/undo/delete-across-inlines.js
index bd84dae40..d66e375c2 100644
--- a/packages/slate/test/history/undo/delete-across-inlines.js
+++ b/packages/slate/test/history/undo/delete-across-inlines.js
@@ -2,24 +2,26 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .delete()
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link data={{ url: 'https://www.google.com' }}>o<anchor />ne</link>
+        <link data={{ url: 'https://www.google.com' }}>
+          o<anchor />ne
+        </link>
       </paragraph>
       <paragraph>
-        <link data={{ url: 'https://www.github.com' }}>tw<focus />o</link>
+        <link data={{ url: 'https://www.github.com' }}>
+          tw<focus />o
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/history/undo/delete-across-marks.js b/packages/slate/test/history/undo/delete-across-marks.js
index f53a6a656..3b66970e6 100644
--- a/packages/slate/test/history/undo/delete-across-marks.js
+++ b/packages/slate/test/history/undo/delete-across-marks.js
@@ -2,21 +2,24 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .delete()
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <b>on<anchor />e</b><u>tw<focus />o</u>
+        <b>
+          on<anchor />e
+        </b>
+        <u>
+          tw<focus />o
+        </u>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/history/undo/delete.js b/packages/slate/test/history/undo/delete.js
index 213208773..d16ac1d01 100644
--- a/packages/slate/test/history/undo/delete.js
+++ b/packages/slate/test/history/undo/delete.js
@@ -2,14 +2,12 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .delete()
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
diff --git a/packages/slate/test/history/undo/insert-block.js b/packages/slate/test/history/undo/insert-block.js
index 40c2bcc4c..5b7eed03a 100644
--- a/packages/slate/test/history/undo/insert-block.js
+++ b/packages/slate/test/history/undo/insert-block.js
@@ -2,20 +2,20 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .insertBlock('quote')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph><cursor />one</paragraph>
+      <paragraph>
+        <cursor />one
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/insert-text-contiguous.js b/packages/slate/test/history/undo/insert-text-contiguous.js
index 7b9e2453c..08cf2a857 100644
--- a/packages/slate/test/history/undo/insert-text-contiguous.js
+++ b/packages/slate/test/history/undo/insert-text-contiguous.js
@@ -2,26 +2,24 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .insertText('t')
-    .value
-    .change()
+    .value.change()
     .insertText('w')
-    .value
-    .change()
+    .value.change()
     .insertText('o')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>one<cursor /></paragraph>
+      <paragraph>
+        one<cursor />
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/insert-text-not-contiguous.js b/packages/slate/test/history/undo/insert-text-not-contiguous.js
index bb0c821f6..ca7e2ddbb 100644
--- a/packages/slate/test/history/undo/insert-text-not-contiguous.js
+++ b/packages/slate/test/history/undo/insert-text-not-contiguous.js
@@ -2,28 +2,26 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .insertText('t')
-    .value
-    .change()
+    .value.change()
     .move(-1)
     .insertText('w')
-    .value
-    .change()
+    .value.change()
     .move(-1)
     .insertText('o')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>one<cursor /></paragraph>
+      <paragraph>
+        one<cursor />
+      </paragraph>
     </document>
   </value>
 )
@@ -31,7 +29,9 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>onew<cursor />t</paragraph>
+      <paragraph>
+        onew<cursor />t
+      </paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/insert-text.js b/packages/slate/test/history/undo/insert-text.js
index a6429f5a6..ba45234f6 100644
--- a/packages/slate/test/history/undo/insert-text.js
+++ b/packages/slate/test/history/undo/insert-text.js
@@ -2,14 +2,12 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .insertText('text')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
diff --git a/packages/slate/test/history/undo/move-node-affecting-path.js b/packages/slate/test/history/undo/move-node-affecting-path.js
index 44abdfdf9..bde344391 100644
--- a/packages/slate/test/history/undo/move-node-affecting-path.js
+++ b/packages/slate/test/history/undo/move-node-affecting-path.js
@@ -2,33 +2,23 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .moveNodeByKey('c', 'd', 1)
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document key="a">
-      <paragraph key="b">
-        one
-      </paragraph>
-      <paragraph key="c">
-        two
-      </paragraph>
+      <paragraph key="b">one</paragraph>
+      <paragraph key="c">two</paragraph>
       <paragraph key="d">
-        <paragraph key="e">
-        three
-        </paragraph>
-      </paragraph>
-      <paragraph key="f">
-        four
+        <paragraph key="e">three</paragraph>
       </paragraph>
+      <paragraph key="f">four</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/move-node-before-itself.js b/packages/slate/test/history/undo/move-node-before-itself.js
index 8d6c64ef6..debe65181 100644
--- a/packages/slate/test/history/undo/move-node-before-itself.js
+++ b/packages/slate/test/history/undo/move-node-before-itself.js
@@ -2,44 +2,28 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .moveNodeByKey('h', 'a', 0)
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document key="a">
-      <paragraph key="b">
-        one
-      </paragraph>
+      <paragraph key="b">one</paragraph>
       <paragraph key="c">
-        <paragraph key="d">
-          two
-        </paragraph>
+        <paragraph key="d">two</paragraph>
         <paragraph key="e">
-          <paragraph key="f">
-          three
-          </paragraph>
-          <paragraph key="g">
-          four
-          </paragraph>
-          <paragraph key="h">
-          five
-          </paragraph>
+          <paragraph key="f">three</paragraph>
+          <paragraph key="g">four</paragraph>
+          <paragraph key="h">five</paragraph>
         </paragraph>
       </paragraph>
-      <paragraph key="i">
-        six
-      </paragraph>
-      <paragraph key="j">
-        seven
-      </paragraph>
+      <paragraph key="i">six</paragraph>
+      <paragraph key="j">seven</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/move-node-by-key.js b/packages/slate/test/history/undo/move-node-by-key.js
index f32c2c0b8..543f1b2d9 100644
--- a/packages/slate/test/history/undo/move-node-by-key.js
+++ b/packages/slate/test/history/undo/move-node-by-key.js
@@ -2,25 +2,19 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .moveNodeByKey('b', 'a', 1)
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document key="a">
-      <paragraph key="b">
-        one
-      </paragraph>
-      <paragraph key="c">
-        two
-      </paragraph>
+      <paragraph key="b">one</paragraph>
+      <paragraph key="c">two</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/remove-mark.js b/packages/slate/test/history/undo/remove-mark.js
index 760a1956e..ca05f4cab 100644
--- a/packages/slate/test/history/undo/remove-mark.js
+++ b/packages/slate/test/history/undo/remove-mark.js
@@ -2,21 +2,21 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .removeMark('bold')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <anchor /><b>one</b><focus />
+        <anchor />
+        <b>one</b>
+        <focus />
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/history/undo/remove-node-by-key.js b/packages/slate/test/history/undo/remove-node-by-key.js
index 160f0a51d..56ed73b60 100644
--- a/packages/slate/test/history/undo/remove-node-by-key.js
+++ b/packages/slate/test/history/undo/remove-node-by-key.js
@@ -2,22 +2,18 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .removeNodeByKey('a')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph key="a">
-        one
-      </paragraph>
+      <paragraph key="a">one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/set-node-by-key-with-data.js b/packages/slate/test/history/undo/set-node-by-key-with-data.js
index 719161842..fee0f8a99 100644
--- a/packages/slate/test/history/undo/set-node-by-key-with-data.js
+++ b/packages/slate/test/history/undo/set-node-by-key-with-data.js
@@ -2,24 +2,20 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .setNodeByKey('a', {
-      data: { thing: 'value' }
+      data: { thing: 'value' },
     })
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph key="a">
-        one
-      </paragraph>
+      <paragraph key="a">one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/history/undo/split-node-by-key-block.js b/packages/slate/test/history/undo/split-node-by-key-block.js
index dc5ce92a1..6874a8b50 100644
--- a/packages/slate/test/history/undo/split-node-by-key-block.js
+++ b/packages/slate/test/history/undo/split-node-by-key-block.js
@@ -2,21 +2,21 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .splitNodeByKey('a', 2)
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
   <value>
     <document>
       <paragraph key="a">
-        <link>one</link><cursor /><link>two</link>
+        <link>one</link>
+        <cursor />
+        <link>two</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/history/undo/unwrap-node-by-key.js b/packages/slate/test/history/undo/unwrap-node-by-key.js
index 2bb60fb74..a6f01df37 100644
--- a/packages/slate/test/history/undo/unwrap-node-by-key.js
+++ b/packages/slate/test/history/undo/unwrap-node-by-key.js
@@ -2,14 +2,12 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .unwrapNodeByKey('a')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
@@ -19,12 +17,8 @@ export const input = (
         <paragraph key="a">
           <cursor />one
         </paragraph>
-        <paragraph>
-          two
-        </paragraph>
-        <paragraph>
-          three
-        </paragraph>
+        <paragraph>two</paragraph>
+        <paragraph>three</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/history/undo/wrap-inline-across-blocks.js b/packages/slate/test/history/undo/wrap-inline-across-blocks.js
index 0b406fd93..1a1601a59 100644
--- a/packages/slate/test/history/undo/wrap-inline-across-blocks.js
+++ b/packages/slate/test/history/undo/wrap-inline-across-blocks.js
@@ -2,14 +2,12 @@
 
 import h from '../../helpers/h'
 
-export default function (value) {
+export default function(value) {
   return value
     .change()
     .wrapInline('hashtag')
-    .value
-    .change()
-    .undo()
-    .value
+    .value.change()
+    .undo().value
 }
 
 export const input = (
diff --git a/packages/slate/test/index.js b/packages/slate/test/index.js
index ebae54271..3924d6b13 100644
--- a/packages/slate/test/index.js
+++ b/packages/slate/test/index.js
@@ -1,4 +1,3 @@
-
 /**
  * Dependencies.
  */
diff --git a/packages/slate/test/models/change/without-normalization-normalize-flag-false.js b/packages/slate/test/models/change/without-normalization-normalize-flag-false.js
index 0967041fd..26b5d6618 100644
--- a/packages/slate/test/models/change/without-normalization-normalize-flag-false.js
+++ b/packages/slate/test/models/change/without-normalization-normalize-flag-false.js
@@ -2,7 +2,6 @@
 
 import h from '../../helpers/h'
 
-
 export const flags = { normalize: false }
 
 export const schema = {
@@ -10,15 +9,13 @@ export const schema = {
     paragraph: {},
     item: {
       parent: { types: ['list'] },
-      nodes: [
-        { objects: ['text'] }
-      ]
+      nodes: [{ objects: ['text'] }],
     },
     list: {},
-  }
+  },
 }
 
-export const customChange = (change) => {
+export const customChange = change => {
   // this change function and schema are designed such that if
   // validation takes place before both wrapBlock calls complete
   // the node gets deleted by the default schema
diff --git a/packages/slate/test/models/change/without-normalization-normalize-flag-true.js b/packages/slate/test/models/change/without-normalization-normalize-flag-true.js
index 671bbea62..d89098c35 100644
--- a/packages/slate/test/models/change/without-normalization-normalize-flag-true.js
+++ b/packages/slate/test/models/change/without-normalization-normalize-flag-true.js
@@ -2,7 +2,6 @@
 
 import h from '../../helpers/h'
 
-
 export const flags = { normalize: true }
 
 export const schema = {
@@ -10,15 +9,13 @@ export const schema = {
     paragraph: {},
     item: {
       parent: { types: ['list'] },
-      nodes: [
-        { objects: ['text'] }
-      ]
+      nodes: [{ objects: ['text'] }],
     },
     list: {},
-  }
+  },
 }
 
-export const customChange = (change) => {
+export const customChange = change => {
   // this change function and schema are designed such that if
   // validation takes place before both wrapBlock calls complete
   // the node gets deleted by the default schema
diff --git a/packages/slate/test/models/change/without-normalization-option-override.js b/packages/slate/test/models/change/without-normalization-option-override.js
index fd56859be..3f3865972 100644
--- a/packages/slate/test/models/change/without-normalization-option-override.js
+++ b/packages/slate/test/models/change/without-normalization-option-override.js
@@ -2,23 +2,20 @@
 
 import h from '../../helpers/h'
 
-
-export const flags = { }
+export const flags = {}
 
 export const schema = {
   blocks: {
     paragraph: {},
     item: {
       parent: { types: ['list'] },
-      nodes: [
-        { objects: ['text'] }
-      ]
+      nodes: [{ objects: ['text'] }],
     },
     list: {},
-  }
+  },
 }
 
-export const customChange = (change) => {
+export const customChange = change => {
   // see if we can break the expected validation sequence by toggling
   // the normalization option
   const target = change.value.document.nodes.get(0)
diff --git a/packages/slate/test/models/change/without-normalization.js b/packages/slate/test/models/change/without-normalization.js
index d55edc4ee..511553414 100644
--- a/packages/slate/test/models/change/without-normalization.js
+++ b/packages/slate/test/models/change/without-normalization.js
@@ -2,22 +2,20 @@
 
 import h from '../../helpers/h'
 
-export const flags = { }
+export const flags = {}
 
 export const schema = {
   blocks: {
     paragraph: {},
     item: {
       parent: { types: ['list'] },
-      nodes: [
-        { objects: ['text'] }
-      ]
+      nodes: [{ objects: ['text'] }],
     },
     list: {},
-  }
+  },
 }
 
-export const customChange = (change) => {
+export const customChange = change => {
   // this change function and schema are designed such that if
   // validation takes place before both wrapBlock calls complete
   // the node gets deleted by the default schema
diff --git a/packages/slate/test/models/index.js b/packages/slate/test/models/index.js
index d8a722ad0..788a4bd5c 100644
--- a/packages/slate/test/models/index.js
+++ b/packages/slate/test/models/index.js
@@ -1,4 +1,3 @@
-
 import assert from 'assert'
 import fs from 'fs'
 import { Schema } from '../..'
@@ -12,7 +11,10 @@ describe('models', () => {
   describe('change', () => {
     describe('withoutNormalization', () => {
       const testsDir = resolve(__dirname, 'change')
-      const tests = fs.readdirSync(testsDir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+      const tests = fs
+        .readdirSync(testsDir)
+        .filter(t => t[0] != '.')
+        .map(t => basename(t, extname(t)))
 
       for (const test of tests) {
         it(test, async () => {
diff --git a/packages/slate/test/operations/apply/remove_text/cursor-inside-removed-text.js b/packages/slate/test/operations/apply/remove_text/cursor-inside-removed-text.js
index cfc446704..2e86f4e79 100644
--- a/packages/slate/test/operations/apply/remove_text/cursor-inside-removed-text.js
+++ b/packages/slate/test/operations/apply/remove_text/cursor-inside-removed-text.js
@@ -2,13 +2,15 @@
 
 import h from '../../../helpers/h'
 
-export default [{
-  type: 'remove_text',
-  path: [0, 0],
-  offset: 2,
-  text: 'is is some text inside ',
-  marks: []
-}]
+export default [
+  {
+    type: 'remove_text',
+    path: [0, 0],
+    offset: 2,
+    text: 'is is some text inside ',
+    marks: [],
+  },
+]
 
 export const input = (
   <value>
diff --git a/packages/slate/test/operations/index.js b/packages/slate/test/operations/index.js
index 1615d21c6..907e55e03 100644
--- a/packages/slate/test/operations/index.js
+++ b/packages/slate/test/operations/index.js
@@ -1,4 +1,3 @@
-
 import assert from 'assert'
 import fs from 'fs-promise' // eslint-disable-line import/no-extraneous-dependencies
 import toCamel from 'to-camel-case' // eslint-disable-line import/no-extraneous-dependencies
@@ -10,7 +9,9 @@ import { basename, extname, resolve } from 'path'
 
 describe('operations', async () => {
   const dir = resolve(__dirname)
-  const categories = fs.readdirSync(dir).filter(c => c[0] != '.' && c != 'index.js')
+  const categories = fs
+    .readdirSync(dir)
+    .filter(c => c[0] != '.' && c != 'index.js')
 
   for (const category of categories) {
     describe(category, () => {
@@ -20,7 +21,10 @@ describe('operations', async () => {
       for (const method of methods) {
         describe(toCamel(method), () => {
           const testDir = resolve(categoryDir, method)
-          const tests = fs.readdirSync(testDir).filter(t => t[0] != '.' && !!~t.indexOf('.js')).map(t => basename(t, extname(t)))
+          const tests = fs
+            .readdirSync(testDir)
+            .filter(t => t[0] != '.' && !!~t.indexOf('.js'))
+            .map(t => basename(t, extname(t)))
 
           for (const test of tests) {
             it(test, async () => {
diff --git a/packages/slate/test/schema/core/block-create-text.js b/packages/slate/test/schema/core/block-create-text.js
index 58c2d5516..07b02e7e7 100644
--- a/packages/slate/test/schema/core/block-create-text.js
+++ b/packages/slate/test/schema/core/block-create-text.js
@@ -31,11 +31,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/schema/core/document-no-inline-children.js b/packages/slate/test/schema/core/document-no-inline-children.js
index 963d4c4f0..375816409 100644
--- a/packages/slate/test/schema/core/document-no-inline-children.js
+++ b/packages/slate/test/schema/core/document-no-inline-children.js
@@ -7,12 +7,8 @@ export const schema = {}
 export const input = (
   <value>
     <document>
-      <link>
-        one
-      </link>
-      <paragraph>
-        two
-      </paragraph>
+      <link>one</link>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -36,11 +32,11 @@ export const output = {
                 object: 'leaf',
                 text: 'two',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/schema/core/document-no-text-children.js b/packages/slate/test/schema/core/document-no-text-children.js
index 10c7bc881..05ca0a91b 100644
--- a/packages/slate/test/schema/core/document-no-text-children.js
+++ b/packages/slate/test/schema/core/document-no-text-children.js
@@ -8,9 +8,7 @@ export const input = (
   <value>
     <document>
       one
-      <paragraph>
-        two
-      </paragraph>
+      <paragraph>two</paragraph>
     </document>
   </value>
 )
@@ -34,11 +32,11 @@ export const output = {
                 object: 'leaf',
                 text: 'two',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/schema/core/inline-no-block-children.js b/packages/slate/test/schema/core/inline-no-block-children.js
index 34739953c..fb6d1a5c8 100644
--- a/packages/slate/test/schema/core/inline-no-block-children.js
+++ b/packages/slate/test/schema/core/inline-no-block-children.js
@@ -9,9 +9,7 @@ export const input = (
     <document>
       <paragraph>
         <link>
-          <paragraph>
-            one
-          </paragraph>
+          <paragraph>one</paragraph>
           two
         </link>
       </paragraph>
@@ -38,8 +36,8 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -54,10 +52,10 @@ export const output = {
                     object: 'leaf',
                     text: 'two',
                     marks: [],
-                  }
-                ]
-              }
-            ]
+                  },
+                ],
+              },
+            ],
           },
           {
             object: 'text',
@@ -66,11 +64,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/schema/core/inline-text-around.js b/packages/slate/test/schema/core/inline-text-around.js
index 2d11c0df3..c875a629c 100644
--- a/packages/slate/test/schema/core/inline-text-around.js
+++ b/packages/slate/test/schema/core/inline-text-around.js
@@ -9,12 +9,8 @@ export const input = (
     <document>
       <paragraph>
         <link>
-          <link>
-            one
-          </link>
-          <link>
-            two
-          </link>
+          <link>one</link>
+          <link>two</link>
         </link>
       </paragraph>
     </document>
@@ -40,8 +36,8 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -56,8 +52,8 @@ export const output = {
                     object: 'leaf',
                     text: '',
                     marks: [],
-                  }
-                ]
+                  },
+                ],
               },
               {
                 object: 'inline',
@@ -72,10 +68,10 @@ export const output = {
                         object: 'leaf',
                         text: 'one',
                         marks: [],
-                      }
-                    ]
-                  }
-                ]
+                      },
+                    ],
+                  },
+                ],
               },
               {
                 object: 'text',
@@ -84,8 +80,8 @@ export const output = {
                     object: 'leaf',
                     text: '',
                     marks: [],
-                  }
-                ]
+                  },
+                ],
               },
               {
                 object: 'inline',
@@ -100,10 +96,10 @@ export const output = {
                         object: 'leaf',
                         text: 'two',
                         marks: [],
-                      }
-                    ]
-                  }
-                ]
+                      },
+                    ],
+                  },
+                ],
               },
               {
                 object: 'text',
@@ -112,10 +108,10 @@ export const output = {
                     object: 'leaf',
                     text: '',
                     marks: [],
-                  }
-                ]
+                  },
+                ],
               },
-            ]
+            ],
           },
           {
             object: 'text',
@@ -124,11 +120,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/schema/core/remove-empty-inline.js b/packages/slate/test/schema/core/remove-empty-inline.js
index a6e541ac1..b3d1128af 100644
--- a/packages/slate/test/schema/core/remove-empty-inline.js
+++ b/packages/slate/test/schema/core/remove-empty-inline.js
@@ -33,11 +33,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/schema/custom/child-kind-invalid-custom-optional-first.js b/packages/slate/test/schema/custom/child-kind-invalid-custom-optional-first.js
index 3ae2d7766..de5b93282 100644
--- a/packages/slate/test/schema/custom/child-kind-invalid-custom-optional-first.js
+++ b/packages/slate/test/schema/custom/child-kind-invalid-custom-optional-first.js
@@ -9,23 +9,21 @@ export const schema = {
     quote: {
       nodes: [
         { objects: ['block'], types: ['image'], min: 0, max: 1 },
-        { objects: ['block'], types: ['paragraph'], min: 1 }
+        { objects: ['block'], types: ['paragraph'], min: 1 },
       ],
       normalize: (change, reason, { node, child }) => {
         if (reason == CHILD_OBJECT_INVALID) {
           change.wrapBlockByKey(child.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
-      <quote>
-        text
-      </quote>
+      <quote>text</quote>
     </document>
   </value>
 )
@@ -34,9 +32,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          text
-        </paragraph>
+        <paragraph>text</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/child-kind-invalid-custom.js b/packages/slate/test/schema/custom/child-kind-invalid-custom.js
index 38e9d4c40..f6f6f6c13 100644
--- a/packages/slate/test/schema/custom/child-kind-invalid-custom.js
+++ b/packages/slate/test/schema/custom/child-kind-invalid-custom.js
@@ -7,24 +7,20 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { objects: ['block'] },
-      ],
+      nodes: [{ objects: ['block'] }],
       normalize: (change, reason, { child }) => {
         if (reason == CHILD_OBJECT_INVALID) {
           change.wrapBlockByKey(child.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
-      <quote>
-        text
-      </quote>
+      <quote>text</quote>
     </document>
   </value>
 )
@@ -33,9 +29,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          text
-        </paragraph>
+        <paragraph>text</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/child-kind-invalid-default.js b/packages/slate/test/schema/custom/child-kind-invalid-default.js
index f6f7186ef..11e0dcf14 100644
--- a/packages/slate/test/schema/custom/child-kind-invalid-default.js
+++ b/packages/slate/test/schema/custom/child-kind-invalid-default.js
@@ -6,11 +6,9 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { objects: ['text'] },
-      ]
-    }
-  }
+      nodes: [{ objects: ['text'] }],
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/child-required-custom.js b/packages/slate/test/schema/custom/child-required-custom.js
index c7cf1daeb..05a8731d6 100644
--- a/packages/slate/test/schema/custom/child-required-custom.js
+++ b/packages/slate/test/schema/custom/child-required-custom.js
@@ -7,16 +7,17 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { types: ['paragraph'], min: 2 },
-      ],
+      nodes: [{ types: ['paragraph'], min: 2 }],
       normalize: (change, reason, { node, index }) => {
         if (reason == CHILD_REQUIRED) {
-          change.insertNodeByKey(node.key, index, { object: 'block', type: 'paragraph' })
+          change.insertNodeByKey(node.key, index, {
+            object: 'block',
+            type: 'paragraph',
+          })
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/child-required-default.js b/packages/slate/test/schema/custom/child-required-default.js
index d63afe74a..c56ca97fd 100644
--- a/packages/slate/test/schema/custom/child-required-default.js
+++ b/packages/slate/test/schema/custom/child-required-default.js
@@ -6,11 +6,9 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { types: ['paragraph'], min: 1 },
-      ]
-    }
-  }
+      nodes: [{ types: ['paragraph'], min: 1 }],
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/child-type-invalid-custom.js b/packages/slate/test/schema/custom/child-type-invalid-custom.js
index 9ae2ddaf1..9beedf7bf 100644
--- a/packages/slate/test/schema/custom/child-type-invalid-custom.js
+++ b/packages/slate/test/schema/custom/child-type-invalid-custom.js
@@ -7,16 +7,14 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { types: ['paragraph'] },
-      ],
+      nodes: [{ types: ['paragraph'] }],
       normalize: (change, reason, { child }) => {
         if (reason == CHILD_TYPE_INVALID) {
           change.wrapBlockByKey(child.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/child-type-invalid-default.js b/packages/slate/test/schema/custom/child-type-invalid-default.js
index 6176a3c01..6ca98b324 100644
--- a/packages/slate/test/schema/custom/child-type-invalid-default.js
+++ b/packages/slate/test/schema/custom/child-type-invalid-default.js
@@ -6,11 +6,9 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { types: ['paragraph'] },
-      ]
-    }
-  }
+      nodes: [{ types: ['paragraph'] }],
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/child-unknown-custom.js b/packages/slate/test/schema/custom/child-unknown-custom.js
index 878845259..d63eaca74 100644
--- a/packages/slate/test/schema/custom/child-unknown-custom.js
+++ b/packages/slate/test/schema/custom/child-unknown-custom.js
@@ -7,31 +7,29 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { types: ['paragraph'], max: 1 },
-      ],
+      nodes: [{ types: ['paragraph'], max: 1 }],
       normalize: (change, reason, { node, child, index }) => {
         if (reason == CHILD_UNKNOWN) {
           const previous = node.getPreviousSibling(child.key)
           const offset = previous.nodes.size
-          child.nodes.forEach((n, i) => change.moveNodeByKey(n.key, previous.key, offset + i, { normalize: false }))
+          child.nodes.forEach((n, i) =>
+            change.moveNodeByKey(n.key, previous.key, offset + i, {
+              normalize: false,
+            })
+          )
           change.removeNodeByKey(child.key)
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
       </quote>
     </document>
   </value>
@@ -41,9 +39,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          onetwo
-        </paragraph>
+        <paragraph>onetwo</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/child-unknown-default.js b/packages/slate/test/schema/custom/child-unknown-default.js
index d3eae3716..cac9dafbc 100644
--- a/packages/slate/test/schema/custom/child-unknown-default.js
+++ b/packages/slate/test/schema/custom/child-unknown-default.js
@@ -6,23 +6,17 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      nodes: [
-        { types: ['paragraph'], max: 1 },
-      ]
-    }
-  }
+      nodes: [{ types: ['paragraph'], max: 1 }],
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
-        <paragraph>
-          two
-        </paragraph>
+        <paragraph>one</paragraph>
+        <paragraph>two</paragraph>
       </quote>
     </document>
   </value>
@@ -32,9 +26,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/first-child-kind-invalid-custom.js b/packages/slate/test/schema/custom/first-child-kind-invalid-custom.js
index 56a938a18..d3d3a0738 100644
--- a/packages/slate/test/schema/custom/first-child-kind-invalid-custom.js
+++ b/packages/slate/test/schema/custom/first-child-kind-invalid-custom.js
@@ -12,17 +12,15 @@ export const schema = {
         if (reason == FIRST_CHILD_OBJECT_INVALID) {
           change.wrapBlockByKey(child.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
-      <quote>
-        text
-      </quote>
+      <quote>text</quote>
     </document>
   </value>
 )
@@ -31,9 +29,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          text
-        </paragraph>
+        <paragraph>text</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/first-child-kind-invalid-default.js b/packages/slate/test/schema/custom/first-child-kind-invalid-default.js
index 2a337a212..024cfaf76 100644
--- a/packages/slate/test/schema/custom/first-child-kind-invalid-default.js
+++ b/packages/slate/test/schema/custom/first-child-kind-invalid-default.js
@@ -7,8 +7,8 @@ export const schema = {
     paragraph: {},
     quote: {
       first: { objects: ['text'] },
-    }
-  }
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/first-child-type-invalid-custom.js b/packages/slate/test/schema/custom/first-child-type-invalid-custom.js
index 7332d07ba..e45b7dbd5 100644
--- a/packages/slate/test/schema/custom/first-child-type-invalid-custom.js
+++ b/packages/slate/test/schema/custom/first-child-type-invalid-custom.js
@@ -12,9 +12,9 @@ export const schema = {
         if (reason == FIRST_CHILD_TYPE_INVALID) {
           change.wrapBlockByKey(child.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/first-child-type-invalid-default.js b/packages/slate/test/schema/custom/first-child-type-invalid-default.js
index faff1f4bc..df4f11bc1 100644
--- a/packages/slate/test/schema/custom/first-child-type-invalid-default.js
+++ b/packages/slate/test/schema/custom/first-child-type-invalid-default.js
@@ -6,9 +6,9 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      first: { types: ['paragraph'] }
-    }
-  }
+      first: { types: ['paragraph'] },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/last-child-kind-invalid-custom.js b/packages/slate/test/schema/custom/last-child-kind-invalid-custom.js
index ec0041a80..1120e0ba6 100644
--- a/packages/slate/test/schema/custom/last-child-kind-invalid-custom.js
+++ b/packages/slate/test/schema/custom/last-child-kind-invalid-custom.js
@@ -12,17 +12,15 @@ export const schema = {
         if (reason == LAST_CHILD_OBJECT_INVALID) {
           change.wrapBlockByKey(child.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
-      <quote>
-        text
-      </quote>
+      <quote>text</quote>
     </document>
   </value>
 )
@@ -31,9 +29,7 @@ export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          text
-        </paragraph>
+        <paragraph>text</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/last-child-kind-invalid-default.js b/packages/slate/test/schema/custom/last-child-kind-invalid-default.js
index eba5fef2d..ff97b76c7 100644
--- a/packages/slate/test/schema/custom/last-child-kind-invalid-default.js
+++ b/packages/slate/test/schema/custom/last-child-kind-invalid-default.js
@@ -7,8 +7,8 @@ export const schema = {
     paragraph: {},
     quote: {
       last: { objects: ['text'] },
-    }
-  }
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/last-child-type-invalid-custom.js b/packages/slate/test/schema/custom/last-child-type-invalid-custom.js
index 74f73bf4c..aa1e93665 100644
--- a/packages/slate/test/schema/custom/last-child-type-invalid-custom.js
+++ b/packages/slate/test/schema/custom/last-child-type-invalid-custom.js
@@ -12,9 +12,9 @@ export const schema = {
         if (reason == LAST_CHILD_TYPE_INVALID) {
           change.wrapBlockByKey(child.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/last-child-type-invalid-default.js b/packages/slate/test/schema/custom/last-child-type-invalid-default.js
index 82c0f8111..5b4b063e5 100644
--- a/packages/slate/test/schema/custom/last-child-type-invalid-default.js
+++ b/packages/slate/test/schema/custom/last-child-type-invalid-default.js
@@ -6,9 +6,9 @@ export const schema = {
   blocks: {
     paragraph: {},
     quote: {
-      last: { types: ['paragraph'] }
-    }
-  }
+      last: { types: ['paragraph'] },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/node-data-invalid-custom.js b/packages/slate/test/schema/custom/node-data-invalid-custom.js
index 2375b4820..380a4ca30 100644
--- a/packages/slate/test/schema/custom/node-data-invalid-custom.js
+++ b/packages/slate/test/schema/custom/node-data-invalid-custom.js
@@ -7,15 +7,15 @@ export const schema = {
   blocks: {
     paragraph: {
       data: {
-        thing: v => v == 'value'
+        thing: v => v == 'value',
       },
       normalize: (change, reason, { node, key }) => {
         if (reason == NODE_DATA_INVALID) {
-          change.setNodeByKey(node.key, { data: { thing: 'value' }})
+          change.setNodeByKey(node.key, { data: { thing: 'value' } })
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/node-data-invalid-default-undefined.js b/packages/slate/test/schema/custom/node-data-invalid-default-undefined.js
index fcbd43d28..406e0c9b7 100644
--- a/packages/slate/test/schema/custom/node-data-invalid-default-undefined.js
+++ b/packages/slate/test/schema/custom/node-data-invalid-default-undefined.js
@@ -6,10 +6,10 @@ export const schema = {
   blocks: {
     paragraph: {
       data: {
-        thing: v => v == 'value'
+        thing: v => v == 'value',
       },
-    }
-  }
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/node-data-invalid-default.js b/packages/slate/test/schema/custom/node-data-invalid-default.js
index 3af86f2dd..03fcab0a9 100644
--- a/packages/slate/test/schema/custom/node-data-invalid-default.js
+++ b/packages/slate/test/schema/custom/node-data-invalid-default.js
@@ -6,10 +6,10 @@ export const schema = {
   blocks: {
     paragraph: {
       data: {
-        thing: v => v == null || v == 'value'
+        thing: v => v == null || v == 'value',
       },
-    }
-  }
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/node-is-void-invalid-custom.js b/packages/slate/test/schema/custom/node-is-void-invalid-custom.js
index 6e4e9abd7..18d380ec4 100644
--- a/packages/slate/test/schema/custom/node-is-void-invalid-custom.js
+++ b/packages/slate/test/schema/custom/node-is-void-invalid-custom.js
@@ -11,9 +11,9 @@ export const schema = {
         if (reason == NODE_IS_VOID_INVALID) {
           change.removeNodeByKey(node.key, 'paragraph')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/node-is-void-invalid-default.js b/packages/slate/test/schema/custom/node-is-void-invalid-default.js
index 05caea513..9b3dff941 100644
--- a/packages/slate/test/schema/custom/node-is-void-invalid-default.js
+++ b/packages/slate/test/schema/custom/node-is-void-invalid-default.js
@@ -6,8 +6,8 @@ export const schema = {
   blocks: {
     paragraph: {
       isVoid: false,
-    }
-  }
+    },
+  },
 }
 
 export const input = (
@@ -21,9 +21,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        {' '}
-      </paragraph>
+      <paragraph>{/* prettier-ignore */ ' '}</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/schema/custom/node-mark-invalid-custom.js b/packages/slate/test/schema/custom/node-mark-invalid-custom.js
index b4a115a49..2f858c47f 100644
--- a/packages/slate/test/schema/custom/node-mark-invalid-custom.js
+++ b/packages/slate/test/schema/custom/node-mark-invalid-custom.js
@@ -11,9 +11,9 @@ export const schema = {
         if (reason == NODE_MARK_INVALID) {
           node.nodes.forEach(n => change.removeNodeByKey(n.key))
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/node-mark-invalid-default.js b/packages/slate/test/schema/custom/node-mark-invalid-default.js
index a15d23865..60ef73c97 100644
--- a/packages/slate/test/schema/custom/node-mark-invalid-default.js
+++ b/packages/slate/test/schema/custom/node-mark-invalid-default.js
@@ -5,9 +5,9 @@ import h from '../../helpers/h'
 export const schema = {
   blocks: {
     paragraph: {
-      marks: [{ type: 'bold' }, { type: 'underline' }],
-    }
-  }
+      marks: [{ type: 'bold' }, { type: 'underline' }],
+    },
+  },
 }
 
 export const input = (
@@ -23,9 +23,7 @@ export const input = (
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one two three
-      </paragraph>
+      <paragraph>one two three</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/schema/custom/node-mark-valid-default.js b/packages/slate/test/schema/custom/node-mark-valid-default.js
index 0d681e301..b07cb76a9 100644
--- a/packages/slate/test/schema/custom/node-mark-valid-default.js
+++ b/packages/slate/test/schema/custom/node-mark-valid-default.js
@@ -5,9 +5,9 @@ import h from '../../helpers/h'
 export const schema = {
   blocks: {
     paragraph: {
-      marks: [{ type: 'bold' }, { type: 'underline' }],
-    }
-  }
+      marks: [{ type: 'bold' }, { type: 'underline' }],
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/node-text-invalid-custom.js b/packages/slate/test/schema/custom/node-text-invalid-custom.js
index 6b37e4636..b1e2b30e9 100644
--- a/packages/slate/test/schema/custom/node-text-invalid-custom.js
+++ b/packages/slate/test/schema/custom/node-text-invalid-custom.js
@@ -11,17 +11,15 @@ export const schema = {
         if (reason == NODE_TEXT_INVALID) {
           node.nodes.forEach(n => change.removeNodeByKey(n.key))
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        invalid
-      </paragraph>
+      <paragraph>invalid</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/schema/custom/node-text-invalid-default.js b/packages/slate/test/schema/custom/node-text-invalid-default.js
index b2d325ffc..99a2a4ef7 100644
--- a/packages/slate/test/schema/custom/node-text-invalid-default.js
+++ b/packages/slate/test/schema/custom/node-text-invalid-default.js
@@ -6,16 +6,14 @@ export const schema = {
   blocks: {
     paragraph: {
       text: /^\d*$/,
-    }
-  }
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
-      <paragraph>
-        invalid
-      </paragraph>
+      <paragraph>invalid</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/schema/custom/parent-kind-invalid-custom.js b/packages/slate/test/schema/custom/parent-kind-invalid-custom.js
index 50c96d0ab..91ccb85aa 100644
--- a/packages/slate/test/schema/custom/parent-kind-invalid-custom.js
+++ b/packages/slate/test/schema/custom/parent-kind-invalid-custom.js
@@ -11,16 +11,18 @@ export const schema = {
         if (reason == PARENT_OBJECT_INVALID) {
           change.unwrapNodeByKey(node.key)
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link><link>one</link></link>
+        <link>
+          <link>one</link>
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/parent-kind-invalid-default.js b/packages/slate/test/schema/custom/parent-kind-invalid-default.js
index 9c982893d..758d9bfab 100644
--- a/packages/slate/test/schema/custom/parent-kind-invalid-default.js
+++ b/packages/slate/test/schema/custom/parent-kind-invalid-default.js
@@ -6,15 +6,17 @@ export const schema = {
   inlines: {
     link: {
       parent: { objects: ['block'] },
-    }
-  }
+    },
+  },
 }
 
 export const input = (
   <value>
     <document>
       <paragraph>
-        <link><link>one</link></link>
+        <link>
+          <link>one</link>
+        </link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/schema/custom/parent-type-invalid-custom.js b/packages/slate/test/schema/custom/parent-type-invalid-custom.js
index 4ff6f7737..a27a2acd6 100644
--- a/packages/slate/test/schema/custom/parent-type-invalid-custom.js
+++ b/packages/slate/test/schema/custom/parent-type-invalid-custom.js
@@ -12,9 +12,9 @@ export const schema = {
         if (reason == PARENT_TYPE_INVALID) {
           change.wrapBlockByKey(node.key, 'list')
         }
-      }
-    }
-  }
+      },
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/custom/parent-type-invalid-default.js b/packages/slate/test/schema/custom/parent-type-invalid-default.js
index 2f1b7b157..7ebd3d3ca 100644
--- a/packages/slate/test/schema/custom/parent-type-invalid-default.js
+++ b/packages/slate/test/schema/custom/parent-type-invalid-default.js
@@ -7,8 +7,8 @@ export const schema = {
     list: {},
     item: {
       parent: { types: ['list'] },
-    }
-  }
+    },
+  },
 }
 
 export const input = (
diff --git a/packages/slate/test/schema/index.js b/packages/slate/test/schema/index.js
index 91ff67dd3..d54823525 100644
--- a/packages/slate/test/schema/index.js
+++ b/packages/slate/test/schema/index.js
@@ -1,4 +1,3 @@
-
 import assert from 'assert'
 import fs from 'fs'
 import { Schema } from '../..'
@@ -11,7 +10,10 @@ import { basename, extname, resolve } from 'path'
 describe('schema', () => {
   describe('core', () => {
     const testsDir = resolve(__dirname, 'core')
-    const tests = fs.readdirSync(testsDir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+    const tests = fs
+      .readdirSync(testsDir)
+      .filter(t => t[0] != '.')
+      .map(t => basename(t, extname(t)))
 
     for (const test of tests) {
       it(test, async () => {
@@ -32,7 +34,10 @@ describe('schema', () => {
 
   describe('custom', () => {
     const testsDir = resolve(__dirname, 'custom')
-    const tests = fs.readdirSync(testsDir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+    const tests = fs
+      .readdirSync(testsDir)
+      .filter(t => t[0] != '.')
+      .map(t => basename(t, extname(t)))
 
     for (const test of tests) {
       it(test, async () => {
diff --git a/packages/slate/test/serializers/index.js b/packages/slate/test/serializers/index.js
index a9e30e582..461b2a74a 100644
--- a/packages/slate/test/serializers/index.js
+++ b/packages/slate/test/serializers/index.js
@@ -1,4 +1,3 @@
-
 import assert from 'assert'
 import fs from 'fs'
 import { Value } from '../..'
@@ -12,7 +11,10 @@ describe('serializers', () => {
   describe('raw', () => {
     describe('deserialize()', () => {
       const dir = resolve(__dirname, './raw/deserialize')
-      const tests = fs.readdirSync(dir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+      const tests = fs
+        .readdirSync(dir)
+        .filter(t => t[0] != '.')
+        .map(t => basename(t, extname(t)))
 
       for (const test of tests) {
         it(test, async () => {
@@ -27,7 +29,10 @@ describe('serializers', () => {
 
     describe('serialize()', () => {
       const dir = resolve(__dirname, './raw/serialize')
-      const tests = fs.readdirSync(dir).filter(t => t[0] != '.').map(t => basename(t, extname(t)))
+      const tests = fs
+        .readdirSync(dir)
+        .filter(t => t[0] != '.')
+        .map(t => basename(t, extname(t)))
 
       for (const test of tests) {
         it(test, async () => {
diff --git a/packages/slate/test/serializers/raw/deserialize/block-nested.js b/packages/slate/test/serializers/raw/deserialize/block-nested.js
index 1e89cf580..cfe8fdd73 100644
--- a/packages/slate/test/serializers/raw/deserialize/block-nested.js
+++ b/packages/slate/test/serializers/raw/deserialize/block-nested.js
@@ -26,25 +26,23 @@ export const input = {
                   {
                     text: 'one',
                     object: 'leaf',
-                    marks: []
-                  }
-                ]
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+                    marks: [],
+                  },
+                ],
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
       </quote>
     </document>
   </value>
diff --git a/packages/slate/test/serializers/raw/deserialize/block-with-data.js b/packages/slate/test/serializers/raw/deserialize/block-with-data.js
index 07470e49c..f609e13bc 100644
--- a/packages/slate/test/serializers/raw/deserialize/block-with-data.js
+++ b/packages/slate/test/serializers/raw/deserialize/block-with-data.js
@@ -13,7 +13,7 @@ export const input = {
         type: 'paragraph',
         isVoid: false,
         data: {
-          thing: 'value'
+          thing: 'value',
         },
         nodes: [
           {
@@ -22,22 +22,20 @@ export const input = {
               {
                 object: 'leaf',
                 text: 'one',
-                marks: []
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+                marks: [],
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
   <value>
     <document>
-      <paragraph thing="value">
-        one
-      </paragraph>
+      <paragraph thing="value">one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/serializers/raw/deserialize/block-with-is-void.js b/packages/slate/test/serializers/raw/deserialize/block-with-is-void.js
index a7d9c83b8..9cf4589b5 100644
--- a/packages/slate/test/serializers/raw/deserialize/block-with-is-void.js
+++ b/packages/slate/test/serializers/raw/deserialize/block-with-is-void.js
@@ -21,13 +21,13 @@ export const input = {
                 object: 'leaf',
                 text: ' ',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
diff --git a/packages/slate/test/serializers/raw/deserialize/block.js b/packages/slate/test/serializers/raw/deserialize/block.js
index 36901bf01..8c4cf368c 100644
--- a/packages/slate/test/serializers/raw/deserialize/block.js
+++ b/packages/slate/test/serializers/raw/deserialize/block.js
@@ -21,21 +21,19 @@ export const input = {
                 object: 'leaf',
                 text: 'one',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
diff --git a/packages/slate/test/serializers/raw/deserialize/inline-nested.js b/packages/slate/test/serializers/raw/deserialize/inline-nested.js
index cb0e59ea2..5bf87f860 100644
--- a/packages/slate/test/serializers/raw/deserialize/inline-nested.js
+++ b/packages/slate/test/serializers/raw/deserialize/inline-nested.js
@@ -21,8 +21,8 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -37,8 +37,8 @@ export const input = {
                     object: 'leaf',
                     text: '',
                     marks: [],
-                  }
-                ]
+                  },
+                ],
               },
               {
                 object: 'inline',
@@ -53,10 +53,10 @@ export const input = {
                         object: 'leaf',
                         text: 'one',
                         marks: [],
-                      }
-                    ]
-                  }
-                ]
+                      },
+                    ],
+                  },
+                ],
               },
               {
                 object: 'text',
@@ -65,10 +65,10 @@ export const input = {
                     object: 'leaf',
                     text: '',
                     marks: [],
-                  }
-                ]
+                  },
+                ],
               },
-            ]
+            ],
           },
           {
             object: 'text',
@@ -77,13 +77,13 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
@@ -91,9 +91,7 @@ export const output = (
     <document>
       <paragraph>
         <link>
-          <hashtag>
-            one
-          </hashtag>
+          <hashtag>one</hashtag>
         </link>
       </paragraph>
     </document>
diff --git a/packages/slate/test/serializers/raw/deserialize/inline-with-data.js b/packages/slate/test/serializers/raw/deserialize/inline-with-data.js
index 12db01e3b..a3f54949d 100644
--- a/packages/slate/test/serializers/raw/deserialize/inline-with-data.js
+++ b/packages/slate/test/serializers/raw/deserialize/inline-with-data.js
@@ -21,15 +21,15 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
             type: 'link',
             isVoid: false,
             data: {
-              thing: 'value'
+              thing: 'value',
             },
             nodes: [
               {
@@ -39,10 +39,10 @@ export const input = {
                     object: 'leaf',
                     text: 'one',
                     marks: [],
-                  }
-                ]
-              }
-            ]
+                  },
+                ],
+              },
+            ],
           },
           {
             object: 'text',
@@ -51,22 +51,20 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
   <value>
     <document>
       <paragraph>
-        <link thing="value">
-          one
-        </link>
+        <link thing="value">one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/serializers/raw/deserialize/inline-with-is-void.js b/packages/slate/test/serializers/raw/deserialize/inline-with-is-void.js
index 4b6536221..4d9ccc331 100644
--- a/packages/slate/test/serializers/raw/deserialize/inline-with-is-void.js
+++ b/packages/slate/test/serializers/raw/deserialize/inline-with-is-void.js
@@ -21,8 +21,8 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -37,10 +37,10 @@ export const input = {
                     object: 'leaf',
                     text: ' ',
                     marks: [],
-                  }
-                ]
-              }
-            ]
+                  },
+                ],
+              },
+            ],
           },
           {
             object: 'text',
@@ -49,13 +49,13 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
diff --git a/packages/slate/test/serializers/raw/deserialize/inline.js b/packages/slate/test/serializers/raw/deserialize/inline.js
index 067570391..90cd8cfbc 100644
--- a/packages/slate/test/serializers/raw/deserialize/inline.js
+++ b/packages/slate/test/serializers/raw/deserialize/inline.js
@@ -21,8 +21,8 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -37,10 +37,10 @@ export const input = {
                     object: 'leaf',
                     text: 'one',
                     marks: [],
-                  }
-                ]
-              }
-            ]
+                  },
+                ],
+              },
+            ],
           },
           {
             object: 'text',
@@ -49,22 +49,20 @@ export const input = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
   <value>
     <document>
       <paragraph>
-        <link>
-          one
-        </link>
+        <link>one</link>
       </paragraph>
     </document>
   </value>
diff --git a/packages/slate/test/serializers/raw/deserialize/range-with-mark.js b/packages/slate/test/serializers/raw/deserialize/range-with-mark.js
index 5a7562980..384dbc112 100644
--- a/packages/slate/test/serializers/raw/deserialize/range-with-mark.js
+++ b/packages/slate/test/serializers/raw/deserialize/range-with-mark.js
@@ -30,20 +30,20 @@ export const input = {
                     object: 'mark',
                     type: 'bold',
                     data: {},
-                  }
-                ]
+                  },
+                ],
               },
               {
                 object: 'leaves',
                 text: 'e',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const output = (
diff --git a/packages/slate/test/serializers/raw/serialize/block-nested.js b/packages/slate/test/serializers/raw/serialize/block-nested.js
index 5cf9ab30c..09f165cb0 100644
--- a/packages/slate/test/serializers/raw/serialize/block-nested.js
+++ b/packages/slate/test/serializers/raw/serialize/block-nested.js
@@ -6,9 +6,7 @@ export const input = (
   <value>
     <document>
       <quote>
-        <paragraph>
-          one
-        </paragraph>
+        <paragraph>one</paragraph>
       </quote>
     </document>
   </value>
@@ -38,14 +36,14 @@ export const output = {
                   {
                     text: 'one',
                     object: 'leaf',
-                    marks: []
-                  }
-                ]
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+                    marks: [],
+                  },
+                ],
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/block-with-data.js b/packages/slate/test/serializers/raw/serialize/block-with-data.js
index 64d527096..08e798665 100644
--- a/packages/slate/test/serializers/raw/serialize/block-with-data.js
+++ b/packages/slate/test/serializers/raw/serialize/block-with-data.js
@@ -5,9 +5,7 @@ import h from '../../../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph thing="value">
-        one
-      </paragraph>
+      <paragraph thing="value">one</paragraph>
     </document>
   </value>
 )
@@ -23,7 +21,7 @@ export const output = {
         type: 'paragraph',
         isVoid: false,
         data: {
-          thing: 'value'
+          thing: 'value',
         },
         nodes: [
           {
@@ -32,12 +30,12 @@ export const output = {
               {
                 object: 'leaf',
                 text: 'one',
-                marks: []
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+                marks: [],
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/block-with-is-void.js b/packages/slate/test/serializers/raw/serialize/block-with-is-void.js
index 26429cb74..d3c7018bb 100644
--- a/packages/slate/test/serializers/raw/serialize/block-with-is-void.js
+++ b/packages/slate/test/serializers/raw/serialize/block-with-is-void.js
@@ -29,11 +29,11 @@ export const output = {
                 object: 'leaf',
                 text: ' ',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/block.js b/packages/slate/test/serializers/raw/serialize/block.js
index 1ffd5d5cf..89c5e2f89 100644
--- a/packages/slate/test/serializers/raw/serialize/block.js
+++ b/packages/slate/test/serializers/raw/serialize/block.js
@@ -5,9 +5,7 @@ import h from '../../../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
@@ -31,11 +29,11 @@ export const output = {
                 object: 'leaf',
                 text: 'one',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/inline-nested.js b/packages/slate/test/serializers/raw/serialize/inline-nested.js
index 6780f9ec6..917f4b00b 100644
--- a/packages/slate/test/serializers/raw/serialize/inline-nested.js
+++ b/packages/slate/test/serializers/raw/serialize/inline-nested.js
@@ -7,9 +7,7 @@ export const input = (
     <document>
       <paragraph>
         <link>
-          <hashtag>
-            one
-          </hashtag>
+          <hashtag>one</hashtag>
         </link>
       </paragraph>
     </document>
@@ -35,8 +33,8 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -51,8 +49,8 @@ export const output = {
                     object: 'leaf',
                     text: '',
                     marks: [],
-                  }
-                ]
+                  },
+                ],
               },
               {
                 object: 'inline',
@@ -67,10 +65,10 @@ export const output = {
                         object: 'leaf',
                         text: 'one',
                         marks: [],
-                      }
-                    ]
-                  }
-                ]
+                      },
+                    ],
+                  },
+                ],
               },
               {
                 object: 'text',
@@ -79,10 +77,10 @@ export const output = {
                     object: 'leaf',
                     text: '',
                     marks: [],
-                  }
-                ]
+                  },
+                ],
               },
-            ]
+            ],
           },
           {
             object: 'text',
@@ -91,11 +89,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/inline-with-data.js b/packages/slate/test/serializers/raw/serialize/inline-with-data.js
index fd19e377f..be3a9d097 100644
--- a/packages/slate/test/serializers/raw/serialize/inline-with-data.js
+++ b/packages/slate/test/serializers/raw/serialize/inline-with-data.js
@@ -6,9 +6,7 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link thing="value">
-          one
-        </link>
+        <link thing="value">one</link>
       </paragraph>
     </document>
   </value>
@@ -33,15 +31,15 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
             type: 'link',
             isVoid: false,
             data: {
-              thing: 'value'
+              thing: 'value',
             },
             nodes: [
               {
@@ -51,10 +49,10 @@ export const output = {
                     object: 'leaf',
                     text: 'one',
                     marks: [],
-                  }
-                ]
-              }
-            ]
+                  },
+                ],
+              },
+            ],
           },
           {
             object: 'text',
@@ -63,11 +61,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/inline-with-is-void.js b/packages/slate/test/serializers/raw/serialize/inline-with-is-void.js
index e2eff13bc..7e03ffad4 100644
--- a/packages/slate/test/serializers/raw/serialize/inline-with-is-void.js
+++ b/packages/slate/test/serializers/raw/serialize/inline-with-is-void.js
@@ -31,8 +31,8 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -47,10 +47,10 @@ export const output = {
                     object: 'leaf',
                     text: ' ',
                     marks: [],
-                  }
-                ]
-              }
-            ]
+                  },
+                ],
+              },
+            ],
           },
           {
             object: 'text',
@@ -59,11 +59,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/inline.js b/packages/slate/test/serializers/raw/serialize/inline.js
index 90434af3b..f70a9eab0 100644
--- a/packages/slate/test/serializers/raw/serialize/inline.js
+++ b/packages/slate/test/serializers/raw/serialize/inline.js
@@ -6,9 +6,7 @@ export const input = (
   <value>
     <document>
       <paragraph>
-        <link>
-          one
-        </link>
+        <link>one</link>
       </paragraph>
     </document>
   </value>
@@ -33,8 +31,8 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
           {
             object: 'inline',
@@ -49,10 +47,10 @@ export const output = {
                     object: 'leaf',
                     text: 'one',
                     marks: [],
-                  }
-                ]
-              }
-            ]
+                  },
+                ],
+              },
+            ],
           },
           {
             object: 'text',
@@ -61,11 +59,11 @@ export const output = {
                 object: 'leaf',
                 text: '',
                 marks: [],
-              }
-            ]
+              },
+            ],
           },
-        ]
-      }
-    ]
-  }
+        ],
+      },
+    ],
+  },
 }
diff --git a/packages/slate/test/serializers/raw/serialize/preserve-data.js b/packages/slate/test/serializers/raw/serialize/preserve-data.js
index f8890864c..3c699face 100644
--- a/packages/slate/test/serializers/raw/serialize/preserve-data.js
+++ b/packages/slate/test/serializers/raw/serialize/preserve-data.js
@@ -5,9 +5,7 @@ import h from '../../../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
@@ -31,14 +29,14 @@ export const output = {
               {
                 text: 'one',
                 object: 'leaf',
-                marks: []
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+                marks: [],
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const options = {
diff --git a/packages/slate/test/serializers/raw/serialize/preserve-keys.js b/packages/slate/test/serializers/raw/serialize/preserve-keys.js
index 3fefad9d1..873dd14fa 100644
--- a/packages/slate/test/serializers/raw/serialize/preserve-keys.js
+++ b/packages/slate/test/serializers/raw/serialize/preserve-keys.js
@@ -5,9 +5,7 @@ import h from '../../../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
@@ -33,14 +31,14 @@ export const output = {
               {
                 text: 'one',
                 object: 'leaf',
-                marks: []
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+                marks: [],
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
 
 export const options = {
diff --git a/packages/slate/test/serializers/raw/serialize/preserve-selection-and-keys.js b/packages/slate/test/serializers/raw/serialize/preserve-selection-and-keys.js
index b05c7defb..5b7cbd386 100644
--- a/packages/slate/test/serializers/raw/serialize/preserve-selection-and-keys.js
+++ b/packages/slate/test/serializers/raw/serialize/preserve-selection-and-keys.js
@@ -5,9 +5,7 @@ import h from '../../../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
@@ -33,13 +31,13 @@ export const output = {
               {
                 text: 'one',
                 object: 'leaf',
-                marks: []
-              }
-            ]
-          }
-        ]
-      }
-    ]
+                marks: [],
+              },
+            ],
+          },
+        ],
+      },
+    ],
   },
   selection: {
     object: 'range',
@@ -50,7 +48,7 @@ export const output = {
     isBackward: false,
     isFocused: false,
     marks: null,
-  }
+  },
 }
 
 export const options = {
diff --git a/packages/slate/test/serializers/raw/serialize/preserve-selection.js b/packages/slate/test/serializers/raw/serialize/preserve-selection.js
index a20bd54f2..164fb5dce 100644
--- a/packages/slate/test/serializers/raw/serialize/preserve-selection.js
+++ b/packages/slate/test/serializers/raw/serialize/preserve-selection.js
@@ -5,9 +5,7 @@ import h from '../../../helpers/h'
 export const input = (
   <value>
     <document>
-      <paragraph>
-        one
-      </paragraph>
+      <paragraph>one</paragraph>
     </document>
   </value>
 )
@@ -30,13 +28,13 @@ export const output = {
               {
                 text: 'one',
                 object: 'leaf',
-                marks: []
-              }
-            ]
-          }
-        ]
-      }
-    ]
+                marks: [],
+              },
+            ],
+          },
+        ],
+      },
+    ],
   },
   selection: {
     object: 'range',
@@ -47,7 +45,7 @@ export const output = {
     isBackward: false,
     isFocused: false,
     marks: null,
-  }
+  },
 }
 
 export const options = {
diff --git a/packages/slate/test/serializers/raw/serialize/range-with-mark.js b/packages/slate/test/serializers/raw/serialize/range-with-mark.js
index f7b18a186..486f7b167 100644
--- a/packages/slate/test/serializers/raw/serialize/range-with-mark.js
+++ b/packages/slate/test/serializers/raw/serialize/range-with-mark.js
@@ -40,18 +40,18 @@ export const output = {
                     object: 'mark',
                     type: 'bold',
                     data: {},
-                  }
-                ]
+                  },
+                ],
               },
               {
                 object: 'leaf',
                 text: 'e',
                 marks: [],
-              }
-            ]
-          }
-        ]
-      }
-    ]
-  }
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  },
 }
diff --git a/support/benchmark-compare.js b/support/benchmark-compare.js
index 4afd34724..d75285d61 100644
--- a/support/benchmark-compare.js
+++ b/support/benchmark-compare.js
@@ -27,8 +27,8 @@ baseline.forEach((suite, i) => {
     const b = base.iterations / base.elapsed * 1000
     const c = comp.iterations / comp.elapsed * 1000
     const threshold = b * THRESHOLD
-    const slower = (b - c) > threshold
-    const faster = (b - c) < (0 - threshold)
+    const slower = b - c > threshold
+    const faster = b - c < 0 - threshold
     const percent = Math.round(Math.abs(b - c) / b * 100)
 
     let output = `${b.toFixed(2)} → ${c.toFixed(2)} ops/sec`
diff --git a/support/benchmark-reporter.js b/support/benchmark-reporter.js
index 55442ffbc..ccfbf43b2 100644
--- a/support/benchmark-reporter.js
+++ b/support/benchmark-reporter.js
@@ -1,7 +1,6 @@
-
 const { stdout } = process
 
-module.exports = function (runner, utils) {
+module.exports = function(runner, utils) {
   let hasSuite = false
   let hasBench = false
 
@@ -13,18 +12,18 @@ module.exports = function (runner, utils) {
     stdout.write(']')
   })
 
-  runner.on('suite start', (suite) => {
+  runner.on('suite start', suite => {
     if (hasSuite) stdout.write(',')
     stdout.write(`{"name":"${suite.title}","benchmarks":[`)
     hasSuite = true
   })
 
-  runner.on('suite end', (suite) => {
+  runner.on('suite end', suite => {
     hasBench = false
     stdout.write(']}')
   })
 
-  runner.on('bench end', (bench) => {
+  runner.on('bench end', bench => {
     if (hasBench) stdout.write(',')
     stdout.write(JSON.stringify(bench))
     hasBench = true
diff --git a/support/rollup/examples.js b/support/rollup/examples.js
index 18ddf9b58..20a0e04f8 100644
--- a/support/rollup/examples.js
+++ b/support/rollup/examples.js
@@ -34,7 +34,10 @@ const umdConfig = {
     // variant of `react-dom/server` relies on Node.js's Stream.
     alias({
       debug: path.resolve(__dirname, 'node_modules/debug/src/browser'),
-      'react-dom/server': path.resolve(__dirname, 'node_modules/react-dom/cjs/react-dom-server.browser.production.min'),
+      'react-dom/server': path.resolve(
+        __dirname,
+        'node_modules/react-dom/cjs/react-dom-server.browser.production.min'
+      ),
     }),
 
     // Allow rollup to resolve modules that are npm dependencies
@@ -51,8 +54,16 @@ const umdConfig = {
       // hint that e.g. `import { List } from 'immutable'` is a reference
       // to a valid named export.
       namedExports: {
-        'esrever': ['reverse'],
-        'immutable': ['List', 'Map', 'Record', 'OrderedSet', 'Set', 'Stack', 'is'],
+        esrever: ['reverse'],
+        immutable: [
+          'List',
+          'Map',
+          'Record',
+          'OrderedSet',
+          'Set',
+          'Stack',
+          'is',
+        ],
         'react-dom': ['findDOMNode'],
         'react-dom/server': ['renderToStaticMarkup'],
       },
@@ -65,23 +76,20 @@ const umdConfig = {
     // some modules like React to use their production variant (and
     // one place within Slate itself).
     replace({
-      'process.env.NODE_ENV': JSON.stringify(environment)
+      'process.env.NODE_ENV': JSON.stringify(environment),
     }),
 
     // Use babel to transpile the result -- limit to package src
     // to prevent babel from trying to transpile npm dependencies.
     babel({
-      include: ['examples/**']
+      include: ['examples/**'],
     }),
   ],
   // Limit rollup's file watching to example src files and the
   // built output of packages -- helps keep it from watching
   // too much and choking.
   watch: {
-    include: [
-      'examples/**',
-      'packages/*/lib/*.es.js',
-    ],
+    include: ['examples/**', 'packages/*/lib/*.es.js'],
   },
 }
 
diff --git a/support/rollup/factory.js b/support/rollup/factory.js
index 8fbd5252f..13a0f8498 100644
--- a/support/rollup/factory.js
+++ b/support/rollup/factory.js
@@ -9,7 +9,7 @@ import uglify from 'rollup-plugin-uglify'
 
 const environment = process.env.NODE_ENV || 'development'
 
-export default (pkg) => {
+export default pkg => {
   const pkgName = pkg.name
   const output = {
     cjs: pkg.main,
@@ -33,7 +33,8 @@ export default (pkg) => {
   // 2. It is part of a package.json dependency (e.g. `lodash/omit`)
   // External dependencies are expected to be present at runtime (rather than being bundled into
   // our built dist).
-  const isExternalDependency = id => !!dependencies.find(dep => dep === id || id.startsWith(`${dep}/`))
+  const isExternalDependency = id =>
+    !!dependencies.find(dep => dep === id || id.startsWith(`${dep}/`))
 
   // UMD build for browsers
   const umdConfig = {
@@ -79,8 +80,16 @@ export default (pkg) => {
         // hint that e.g. `import { List } from 'immutable'` is a reference
         // to a valid named export.
         namedExports: {
-          'esrever': ['reverse'],
-          'immutable': ['List', 'Map', 'Record', 'OrderedSet', 'Set', 'Stack', 'is'],
+          esrever: ['reverse'],
+          immutable: [
+            'List',
+            'Map',
+            'Record',
+            'OrderedSet',
+            'Set',
+            'Stack',
+            'is',
+          ],
           'react-dom': ['findDOMNode'],
           'react-dom/server': ['renderToStaticMarkup'],
         },
@@ -90,15 +99,15 @@ export default (pkg) => {
       // some modules like React to use their production variant (and
       // one place within Slate itself).
       replace({
-        'process.env.NODE_ENV': JSON.stringify('production')
+        'process.env.NODE_ENV': JSON.stringify('production'),
       }),
 
       // Use babel to transpile the result -- limit to package src
       // to prevent babel from trying to transpile npm dependencies.
       babel({
-        include: [`packages/${pkgName}/src/**`]
+        include: [`packages/${pkgName}/src/**`],
       }),
-    ]
+    ],
   }
 
   // Additional UMD minified build based off of the unminified config
@@ -137,15 +146,15 @@ export default (pkg) => {
       // some modules like React to use their production variant (and
       // one place within Slate itself).
       replace({
-        'process.env.NODE_ENV': JSON.stringify(environment)
+        'process.env.NODE_ENV': JSON.stringify(environment),
       }),
 
       // Use babel to transpile the result -- limit to package src
       // to prevent babel from trying to transpile npm dependencies.
       babel({
-        include: [`packages/${pkgName}/src/**`]
+        include: [`packages/${pkgName}/src/**`],
       }),
-    ]
+    ],
   }
 
   const configurations = [moduleConfig]
diff --git a/yarn.lock b/yarn.lock
index 0f9aa9273..e19057e32 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1807,6 +1807,12 @@ escodegen@^1.9.0:
   optionalDependencies:
     source-map "~0.5.6"
 
+eslint-config-prettier@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-2.9.0.tgz#5ecd65174d486c22dff389fe036febf502d468a3"
+  dependencies:
+    get-stdin "^5.0.1"
+
 eslint-import-resolver-node@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.2.tgz#58f15fb839b8d0576ca980413476aab2472db66a"
@@ -1836,6 +1842,13 @@ eslint-plugin-import@^2.8.0:
     minimatch "^3.0.3"
     read-pkg-up "^2.0.0"
 
+eslint-plugin-prettier@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.5.0.tgz#39a91dd7528eaf19cd42c0ee3f2c1f684606a05f"
+  dependencies:
+    fast-diff "^1.1.1"
+    jest-docblock "^21.0.0"
+
 eslint-plugin-react@^7.6.0:
   version "7.6.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-7.6.0.tgz#351651188c74c5b2fecc2717e3936b7207baa728"
@@ -2046,6 +2059,10 @@ fast-deep-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
 
+fast-diff@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -2249,6 +2266,10 @@ get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
 
+get-stdin@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+
 get-stream@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
@@ -2885,6 +2906,10 @@ jade@0.26.3:
     commander "0.6.1"
     mkdirp "0.3.0"
 
+jest-docblock@^21.0.0:
+  version "21.2.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
+
 jodid25519@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/jodid25519/-/jodid25519-1.0.2.tgz#06d4912255093419477d425633606e0e90782967"
@@ -3708,6 +3733,10 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+prettier@^1.10.2:
+  version "1.10.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.10.2.tgz#1af8356d1842276a99a5b5529c82dd9e9ad3cc93"
+
 prismjs@^1.5.1:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.6.0.tgz#118d95fb7a66dba2272e343b345f5236659db365"