diff --git a/.eslintrc b/.eslintrc
index 597463f27..1ed449e00 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -123,7 +123,7 @@
   },
   "overrides": [
     {
-      "files": "**/test/**/*.js",
+      "files": "**/test/**/*.{js,jsx,ts,tsx}",
       "rules": {
         "import/no-extraneous-dependencies": "off",
         "import/no-unresolved": "off"
diff --git a/packages/slate-history/test/undo/delete_backward/block-join-reverse.js b/packages/slate-history/test/undo/delete_backward/block-join-reverse.tsx
similarity index 99%
rename from packages/slate-history/test/undo/delete_backward/block-join-reverse.js
rename to packages/slate-history/test/undo/delete_backward/block-join-reverse.tsx
index d55b8c2bc..29e1bed8a 100644
--- a/packages/slate-history/test/undo/delete_backward/block-join-reverse.js
+++ b/packages/slate-history/test/undo/delete_backward/block-join-reverse.tsx
@@ -1,11 +1,9 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const run = editor => {
   editor.deleteBackward()
 }
-
 export const input = (
   <editor>
     <block>Hello</block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>Hello</block>
diff --git a/packages/slate-history/test/undo/delete_backward/block-nested-reverse.js b/packages/slate-history/test/undo/delete_backward/block-nested-reverse.tsx
similarity index 99%
rename from packages/slate-history/test/undo/delete_backward/block-nested-reverse.js
rename to packages/slate-history/test/undo/delete_backward/block-nested-reverse.tsx
index c6a3d0df7..1950cff2c 100644
--- a/packages/slate-history/test/undo/delete_backward/block-nested-reverse.js
+++ b/packages/slate-history/test/undo/delete_backward/block-nested-reverse.tsx
@@ -1,11 +1,9 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const run = editor => {
   editor.deleteBackward()
 }
-
 export const input = (
   <editor>
     <block>Hello</block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>Hello</block>
diff --git a/packages/slate-history/test/undo/delete_backward/block-text.js b/packages/slate-history/test/undo/delete_backward/block-text.tsx
similarity index 98%
rename from packages/slate-history/test/undo/delete_backward/block-text.js
rename to packages/slate-history/test/undo/delete_backward/block-text.tsx
index 0c1402966..ff12771b8 100644
--- a/packages/slate-history/test/undo/delete_backward/block-text.js
+++ b/packages/slate-history/test/undo/delete_backward/block-text.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,5 +14,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate-history/test/undo/delete_backward/custom-prop.js b/packages/slate-history/test/undo/delete_backward/custom-prop.tsx
similarity index 99%
rename from packages/slate-history/test/undo/delete_backward/custom-prop.js
rename to packages/slate-history/test/undo/delete_backward/custom-prop.tsx
index 66adbfc9c..8c9f3b957 100644
--- a/packages/slate-history/test/undo/delete_backward/custom-prop.js
+++ b/packages/slate-history/test/undo/delete_backward/custom-prop.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block a>
@@ -19,5 +17,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate-history/test/undo/delete_backward/inline-across.js b/packages/slate-history/test/undo/delete_backward/inline-across.tsx
similarity index 99%
rename from packages/slate-history/test/undo/delete_backward/inline-across.js
rename to packages/slate-history/test/undo/delete_backward/inline-across.tsx
index ff0f9da95..08973a3e4 100644
--- a/packages/slate-history/test/undo/delete_backward/inline-across.js
+++ b/packages/slate-history/test/undo/delete_backward/inline-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -27,5 +25,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate-history/test/undo/insert_break/basic.js b/packages/slate-history/test/undo/insert_break/basic.tsx
similarity index 99%
rename from packages/slate-history/test/undo/insert_break/basic.js
rename to packages/slate-history/test/undo/insert_break/basic.tsx
index 2ebb6dd1c..16a257598 100644
--- a/packages/slate-history/test/undo/insert_break/basic.js
+++ b/packages/slate-history/test/undo/insert_break/basic.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../..'
 
 export const run = editor => {
   editor.insertBreak()
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,5 +16,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate-history/test/undo/insert_fragment/basic.js b/packages/slate-history/test/undo/insert_fragment/basic.tsx
similarity index 99%
rename from packages/slate-history/test/undo/insert_fragment/basic.js
rename to packages/slate-history/test/undo/insert_fragment/basic.tsx
index 745434eea..158754517 100644
--- a/packages/slate-history/test/undo/insert_fragment/basic.js
+++ b/packages/slate-history/test/undo/insert_fragment/basic.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 const fragment = (
@@ -20,11 +19,9 @@ const fragment = (
     </block>
   </block>
 )
-
 export const run = editor => {
   editor.insertFragment(fragment)
 }
-
 export const input = (
   <editor>
     <block type="d">
@@ -36,7 +33,5 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
-
 export const skip = true
diff --git a/packages/slate-history/test/undo/insert_text/basic.js b/packages/slate-history/test/undo/insert_text/basic.tsx
similarity index 98%
rename from packages/slate-history/test/undo/insert_text/basic.js
rename to packages/slate-history/test/undo/insert_text/basic.tsx
index a49ebfce6..613085866 100644
--- a/packages/slate-history/test/undo/insert_text/basic.js
+++ b/packages/slate-history/test/undo/insert_text/basic.tsx
@@ -1,11 +1,9 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const run = editor => {
   editor.insertText('text')
 }
-
 export const input = (
   <editor>
     <block>
@@ -14,5 +12,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate-history/test/undo/insert_text/contiguous.js b/packages/slate-history/test/undo/insert_text/contiguous.tsx
similarity index 98%
rename from packages/slate-history/test/undo/insert_text/contiguous.js
rename to packages/slate-history/test/undo/insert_text/contiguous.tsx
index c668fd4c8..bfbacc380 100644
--- a/packages/slate-history/test/undo/insert_text/contiguous.js
+++ b/packages/slate-history/test/undo/insert_text/contiguous.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const run = editor => {
@@ -7,7 +6,6 @@ export const run = editor => {
   editor.insertText('w')
   editor.insertText('o')
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,5 +14,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate-history/test/undo/insert_text/non-contiguous.js b/packages/slate-history/test/undo/insert_text/non-contiguous.tsx
similarity index 99%
rename from packages/slate-history/test/undo/insert_text/non-contiguous.js
rename to packages/slate-history/test/undo/insert_text/non-contiguous.tsx
index 8fcb5726c..6df9b1582 100644
--- a/packages/slate-history/test/undo/insert_text/non-contiguous.js
+++ b/packages/slate-history/test/undo/insert_text/non-contiguous.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
   Transforms.move(editor, { reverse: true })
   editor.insertText('o')
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
@@ -28,5 +25,4 @@ export const output = (
     </block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-across-element.js b/packages/slate-hyperscript/test/fixtures/cursor-across-element.js
index 9c7b82dc6..4f98f58a6 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-across-element.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-across-element.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-empty.js b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-empty.js
index 09c65f6ea..bed0d1ddf 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-empty.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -16,7 +15,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-end.js b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-end.js
index 0c2457c63..c672877ce 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-end.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-end.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -14,7 +13,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-middle.js b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-middle.js
index a1701770e..7d5d4d45b 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-middle.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-middle.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -14,7 +13,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-start.js b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-start.js
index 73ae447ad..e727b60fc 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-across-elements-start.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-across-elements-start.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -14,7 +13,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-element-empty.js b/packages/slate-hyperscript/test/fixtures/cursor-element-empty.js
index 856e306af..cfc601c17 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-element-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-element-empty.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -9,7 +8,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-element-end.js b/packages/slate-hyperscript/test/fixtures/cursor-element-end.js
index 0580f02d8..0bd8ab294 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-element-end.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-element-end.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-element-middle.js b/packages/slate-hyperscript/test/fixtures/cursor-element-middle.js
index 0054ed12f..06f5b89e4 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-element-middle.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-element-middle.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-element-nested-end.js b/packages/slate-hyperscript/test/fixtures/cursor-element-nested-end.js
index 7f72b09b8..63d3961da 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-element-nested-end.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-element-nested-end.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -12,7 +11,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-element-nested-middle.js b/packages/slate-hyperscript/test/fixtures/cursor-element-nested-middle.js
index eb7dff7a8..3729ee8d1 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-element-nested-middle.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-element-nested-middle.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -13,7 +12,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-element-nested-start.js b/packages/slate-hyperscript/test/fixtures/cursor-element-nested-start.js
index 1f057c99f..b86e0c6be 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-element-nested-start.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-element-nested-start.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -12,7 +11,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-element-start.js b/packages/slate-hyperscript/test/fixtures/cursor-element-start.js
index 1bbbb28cc..42973259b 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-element-start.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-element-start.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/cursor-text-empty.js b/packages/slate-hyperscript/test/fixtures/cursor-text-empty.js
index 880c88ddf..68ba6c76e 100644
--- a/packages/slate-hyperscript/test/fixtures/cursor-text-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/cursor-text-empty.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/element-custom.js b/packages/slate-hyperscript/test/fixtures/element-custom.js
index f2a7af668..d10f32e87 100644
--- a/packages/slate-hyperscript/test/fixtures/element-custom.js
+++ b/packages/slate-hyperscript/test/fixtures/element-custom.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { createHyperscript } from 'slate-hyperscript'
 
 const jsx = createHyperscript({
@@ -7,9 +6,7 @@ const jsx = createHyperscript({
     paragraph: { type: 'paragraph' },
   },
 })
-
 export const input = <paragraph>word</paragraph>
-
 export const output = {
   type: 'paragraph',
   children: [
diff --git a/packages/slate-hyperscript/test/fixtures/element-empty.js b/packages/slate-hyperscript/test/fixtures/element-empty.js
index 8d4e2fcd1..75f0d6148 100644
--- a/packages/slate-hyperscript/test/fixtures/element-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/element-empty.js
@@ -1,9 +1,7 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = <element />
-
 export const output = {
   children: [],
 }
diff --git a/packages/slate-hyperscript/test/fixtures/element-nested-empty.js b/packages/slate-hyperscript/test/fixtures/element-nested-empty.js
index 5f616b511..f93591e90 100644
--- a/packages/slate-hyperscript/test/fixtures/element-nested-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/element-nested-empty.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <element />
   </element>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/element-nested-string.js b/packages/slate-hyperscript/test/fixtures/element-nested-string.js
index 30cb39c1d..3bf949daa 100644
--- a/packages/slate-hyperscript/test/fixtures/element-nested-string.js
+++ b/packages/slate-hyperscript/test/fixtures/element-nested-string.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <element>word</element>
   </element>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/element-string.js b/packages/slate-hyperscript/test/fixtures/element-string.js
index 72a26961b..867b66885 100644
--- a/packages/slate-hyperscript/test/fixtures/element-string.js
+++ b/packages/slate-hyperscript/test/fixtures/element-string.js
@@ -1,9 +1,7 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = <element>word</element>
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/element-text-empty.js b/packages/slate-hyperscript/test/fixtures/element-text-empty.js
index 6c87a8d60..4d03d3d96 100644
--- a/packages/slate-hyperscript/test/fixtures/element-text-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/element-text-empty.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <text />
   </element>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/element-text-string.js b/packages/slate-hyperscript/test/fixtures/element-text-string.js
index 01d6e5be1..853a5b3a5 100644
--- a/packages/slate-hyperscript/test/fixtures/element-text-string.js
+++ b/packages/slate-hyperscript/test/fixtures/element-text-string.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <text>word</text>
   </element>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/fragment-element.js b/packages/slate-hyperscript/test/fixtures/fragment-element.js
index 8fd31ea02..32a6617f0 100644
--- a/packages/slate-hyperscript/test/fixtures/fragment-element.js
+++ b/packages/slate-hyperscript/test/fixtures/fragment-element.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <element>word</element>
   </fragment>
 )
-
 export const output = [
   {
     children: [
diff --git a/packages/slate-hyperscript/test/fixtures/fragment-empty.js b/packages/slate-hyperscript/test/fixtures/fragment-empty.js
index 2c2ee4b6c..a5fef1b96 100644
--- a/packages/slate-hyperscript/test/fixtures/fragment-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/fragment-empty.js
@@ -1,7 +1,5 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = <fragment />
-
 export const output = []
diff --git a/packages/slate-hyperscript/test/fixtures/fragment-string.js b/packages/slate-hyperscript/test/fixtures/fragment-string.js
index 5549e933d..1ac0f2d87 100644
--- a/packages/slate-hyperscript/test/fixtures/fragment-string.js
+++ b/packages/slate-hyperscript/test/fixtures/fragment-string.js
@@ -1,9 +1,7 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = <fragment>word</fragment>
-
 export const output = [
   {
     text: 'word',
diff --git a/packages/slate-hyperscript/test/fixtures/selection-offset-start.js b/packages/slate-hyperscript/test/fixtures/selection-offset-start.js
index d00277152..66d914e5f 100644
--- a/packages/slate-hyperscript/test/fixtures/selection-offset-start.js
+++ b/packages/slate-hyperscript/test/fixtures/selection-offset-start.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </selection>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/selection.js b/packages/slate-hyperscript/test/fixtures/selection.js
index b13fc4a0d..b4d18c6ef 100644
--- a/packages/slate-hyperscript/test/fixtures/selection.js
+++ b/packages/slate-hyperscript/test/fixtures/selection.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </selection>
   </editor>
 )
-
 export const output = {
   children: [
     {
diff --git a/packages/slate-hyperscript/test/fixtures/text-empty.js b/packages/slate-hyperscript/test/fixtures/text-empty.js
index d6795e581..ade36776c 100644
--- a/packages/slate-hyperscript/test/fixtures/text-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/text-empty.js
@@ -1,9 +1,7 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = <text a />
-
 export const output = {
   text: '',
   a: true,
diff --git a/packages/slate-hyperscript/test/fixtures/text-full.js b/packages/slate-hyperscript/test/fixtures/text-full.js
index 5640b2b90..ccfcb93f8 100644
--- a/packages/slate-hyperscript/test/fixtures/text-full.js
+++ b/packages/slate-hyperscript/test/fixtures/text-full.js
@@ -1,9 +1,7 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = <text a>word</text>
-
 export const output = {
   text: 'word',
   a: true,
diff --git a/packages/slate-hyperscript/test/fixtures/text-nested.js b/packages/slate-hyperscript/test/fixtures/text-nested.js
index 836510280..a2adadd4d 100644
--- a/packages/slate-hyperscript/test/fixtures/text-nested.js
+++ b/packages/slate-hyperscript/test/fixtures/text-nested.js
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <text a>word</text>
   </text>
 )
-
 export const output = {
   text: 'word',
   a: true,
diff --git a/packages/slate-hyperscript/test/fixtures/value-empty.js b/packages/slate-hyperscript/test/fixtures/value-empty.js
index 10c934910..8aafca6eb 100644
--- a/packages/slate-hyperscript/test/fixtures/value-empty.js
+++ b/packages/slate-hyperscript/test/fixtures/value-empty.js
@@ -1,9 +1,7 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = <editor />
-
 export const output = {
   children: [],
   selection: null,
diff --git a/packages/slate/test/index.js b/packages/slate/test/index.js
index 052427c8f..e514cce93 100644
--- a/packages/slate/test/index.js
+++ b/packages/slate/test/index.js
@@ -6,29 +6,23 @@ import { createHyperscript } from 'slate-hyperscript'
 describe('slate', () => {
   fixtures(__dirname, 'interfaces', ({ module }) => {
     let { input, test, output } = module
-
     if (Editor.isEditor(input)) {
       input = withTest(input)
     }
-
     const result = test(input)
     assert.deepEqual(result, output)
   })
-
   fixtures(__dirname, 'operations', ({ module }) => {
     const { input, operations, output } = module
     const editor = withTest(input)
-
     Editor.withoutNormalizing(editor, () => {
       for (const op of operations) {
         editor.apply(op)
       }
     })
-
     assert.deepEqual(editor.children, output.children)
     assert.deepEqual(editor.selection, output.selection)
   })
-
   fixtures(__dirname, 'normalization', ({ module }) => {
     const { input, output } = module
     const editor = withTest(input)
@@ -36,7 +30,6 @@ describe('slate', () => {
     assert.deepEqual(editor.children, output.children)
     assert.deepEqual(editor.selection, output.selection)
   })
-
   fixtures(__dirname, 'transforms', ({ module }) => {
     const { input, run, output } = module
     const editor = withTest(input)
@@ -45,21 +38,16 @@ describe('slate', () => {
     assert.deepEqual(editor.selection, output.selection)
   })
 })
-
 const withTest = editor => {
   const { isInline, isVoid } = editor
-
   editor.isInline = element => {
     return element.inline === true ? true : isInline(element)
   }
-
   editor.isVoid = element => {
     return element.void === true ? true : isVoid(element)
   }
-
   return editor
 }
-
 export const jsx = createHyperscript({
   elements: {
     block: {},
diff --git a/packages/slate/test/interfaces/Editor/above/block-highest.js b/packages/slate/test/interfaces/Editor/above/block-highest.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/above/block-highest.js
rename to packages/slate/test/interfaces/Editor/above/block-highest.tsx
index 4ac2d62da..2d0f4911e 100644
--- a/packages/slate/test/interfaces/Editor/above/block-highest.js
+++ b/packages/slate/test/interfaces/Editor/above/block-highest.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.above(editor, {
     at: [0, 0, 0],
@@ -18,7 +16,6 @@ export const test = editor => {
     mode: 'highest',
   })
 }
-
 export const output = [
   <block>
     <block>one</block>
diff --git a/packages/slate/test/interfaces/Editor/above/block-lowest.js b/packages/slate/test/interfaces/Editor/above/block-lowest.tsx
similarity index 79%
rename from packages/slate/test/interfaces/Editor/above/block-lowest.js
rename to packages/slate/test/interfaces/Editor/above/block-lowest.tsx
index 60976d50a..fd2bb9d55 100644
--- a/packages/slate/test/interfaces/Editor/above/block-lowest.js
+++ b/packages/slate/test/interfaces/Editor/above/block-lowest.tsx
@@ -6,7 +6,7 @@ import { jsx } from '../../..'
 export const input = (
   <editor>
     <block>
-      <block>one</block>
+      <block>one </block>
     </block>
   </editor>
 )
@@ -19,4 +19,4 @@ export const test = editor => {
   })
 }
 
-export const output = [<block>one</block>, [0, 0]]
+export const output = [<block>one </block>, [0, 0]]
diff --git a/packages/slate/test/interfaces/Editor/above/inline.js b/packages/slate/test/interfaces/Editor/above/inline.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/above/inline.js
rename to packages/slate/test/interfaces/Editor/above/inline.tsx
diff --git a/packages/slate/test/interfaces/Editor/after/end.js b/packages/slate/test/interfaces/Editor/after/end.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/after/end.js
rename to packages/slate/test/interfaces/Editor/after/end.tsx
diff --git a/packages/slate/test/interfaces/Editor/after/path.js b/packages/slate/test/interfaces/Editor/after/path.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/after/path.js
rename to packages/slate/test/interfaces/Editor/after/path.tsx
diff --git a/packages/slate/test/interfaces/Editor/after/point.js b/packages/slate/test/interfaces/Editor/after/point.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/after/point.js
rename to packages/slate/test/interfaces/Editor/after/point.tsx
diff --git a/packages/slate/test/interfaces/Editor/after/range.js b/packages/slate/test/interfaces/Editor/after/range.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/after/range.js
rename to packages/slate/test/interfaces/Editor/after/range.tsx
diff --git a/packages/slate/test/interfaces/Editor/before/path.js b/packages/slate/test/interfaces/Editor/before/path.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/before/path.js
rename to packages/slate/test/interfaces/Editor/before/path.tsx
diff --git a/packages/slate/test/interfaces/Editor/before/point.js b/packages/slate/test/interfaces/Editor/before/point.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/before/point.js
rename to packages/slate/test/interfaces/Editor/before/point.tsx
diff --git a/packages/slate/test/interfaces/Editor/before/range.js b/packages/slate/test/interfaces/Editor/before/range.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/before/range.js
rename to packages/slate/test/interfaces/Editor/before/range.tsx
diff --git a/packages/slate/test/interfaces/Editor/before/start.js b/packages/slate/test/interfaces/Editor/before/start.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/before/start.js
rename to packages/slate/test/interfaces/Editor/before/start.tsx
diff --git a/packages/slate/test/interfaces/Editor/edges/path.js b/packages/slate/test/interfaces/Editor/edges/path.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/edges/path.js
rename to packages/slate/test/interfaces/Editor/edges/path.tsx
diff --git a/packages/slate/test/interfaces/Editor/edges/point.js b/packages/slate/test/interfaces/Editor/edges/point.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/edges/point.js
rename to packages/slate/test/interfaces/Editor/edges/point.tsx
diff --git a/packages/slate/test/interfaces/Editor/edges/range.js b/packages/slate/test/interfaces/Editor/edges/range.tsx
similarity index 100%
rename from packages/slate/test/interfaces/Editor/edges/range.js
rename to packages/slate/test/interfaces/Editor/edges/range.tsx
diff --git a/packages/slate/test/interfaces/Editor/end/path.js b/packages/slate/test/interfaces/Editor/end/path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/end/path.js
rename to packages/slate/test/interfaces/Editor/end/path.tsx
index 7636f252e..6c93d8ecd 100644
--- a/packages/slate/test/interfaces/Editor/end/path.js
+++ b/packages/slate/test/interfaces/Editor/end/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.end(editor, [0])
 }
-
 export const output = { path: [0, 0], offset: 3 }
diff --git a/packages/slate/test/interfaces/Editor/end/point.js b/packages/slate/test/interfaces/Editor/end/point.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/end/point.js
rename to packages/slate/test/interfaces/Editor/end/point.tsx
index acd8d4926..7f734ff14 100644
--- a/packages/slate/test/interfaces/Editor/end/point.js
+++ b/packages/slate/test/interfaces/Editor/end/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.end(editor, { path: [0, 0], offset: 1 })
 }
-
 export const output = { path: [0, 0], offset: 1 }
diff --git a/packages/slate/test/interfaces/Editor/end/range.js b/packages/slate/test/interfaces/Editor/end/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/end/range.js
rename to packages/slate/test/interfaces/Editor/end/range.tsx
index 4f88c42fc..6d904a124 100644
--- a/packages/slate/test/interfaces/Editor/end/range.js
+++ b/packages/slate/test/interfaces/Editor/end/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,12 +7,10 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.end(editor, {
     anchor: { path: [0, 0], offset: 1 },
     focus: { path: [0, 0], offset: 2 },
   })
 }
-
 export const output = { path: [0, 0], offset: 2 }
diff --git a/packages/slate/test/interfaces/Editor/hasBlocks/block-nested.js b/packages/slate/test/interfaces/Editor/hasBlocks/block-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasBlocks/block-nested.js
rename to packages/slate/test/interfaces/Editor/hasBlocks/block-nested.tsx
index 2c3f4c82a..38801a508 100644
--- a/packages/slate/test/interfaces/Editor/hasBlocks/block-nested.js
+++ b/packages/slate/test/interfaces/Editor/hasBlocks/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasBlocks(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/hasBlocks/block.js b/packages/slate/test/interfaces/Editor/hasBlocks/block.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/hasBlocks/block.js
rename to packages/slate/test/interfaces/Editor/hasBlocks/block.tsx
index c5bfc2e04..ad450a54f 100644
--- a/packages/slate/test/interfaces/Editor/hasBlocks/block.js
+++ b/packages/slate/test/interfaces/Editor/hasBlocks/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasBlocks(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/hasBlocks/inline-nested.js b/packages/slate/test/interfaces/Editor/hasBlocks/inline-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasBlocks/inline-nested.js
rename to packages/slate/test/interfaces/Editor/hasBlocks/inline-nested.tsx
index 145a7be4d..97560ce3b 100644
--- a/packages/slate/test/interfaces/Editor/hasBlocks/inline-nested.js
+++ b/packages/slate/test/interfaces/Editor/hasBlocks/inline-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,10 +13,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.hasBlocks(editor, inline)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/hasBlocks/inline.js b/packages/slate/test/interfaces/Editor/hasBlocks/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasBlocks/inline.js
rename to packages/slate/test/interfaces/Editor/hasBlocks/inline.tsx
index 5ab6087c7..d4b9da9d7 100644
--- a/packages/slate/test/interfaces/Editor/hasBlocks/inline.js
+++ b/packages/slate/test/interfaces/Editor/hasBlocks/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasBlocks(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/hasInlines/block-nested.js b/packages/slate/test/interfaces/Editor/hasInlines/block-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasInlines/block-nested.js
rename to packages/slate/test/interfaces/Editor/hasInlines/block-nested.tsx
index ef4374d02..f8953b46c 100644
--- a/packages/slate/test/interfaces/Editor/hasInlines/block-nested.js
+++ b/packages/slate/test/interfaces/Editor/hasInlines/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasInlines(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/hasInlines/block.js b/packages/slate/test/interfaces/Editor/hasInlines/block.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/hasInlines/block.js
rename to packages/slate/test/interfaces/Editor/hasInlines/block.tsx
index 41ee4e6d3..0b6566fde 100644
--- a/packages/slate/test/interfaces/Editor/hasInlines/block.js
+++ b/packages/slate/test/interfaces/Editor/hasInlines/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasInlines(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/hasInlines/inline-nested.js b/packages/slate/test/interfaces/Editor/hasInlines/inline-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasInlines/inline-nested.js
rename to packages/slate/test/interfaces/Editor/hasInlines/inline-nested.tsx
index 76268c4ee..78de559a5 100644
--- a/packages/slate/test/interfaces/Editor/hasInlines/inline-nested.js
+++ b/packages/slate/test/interfaces/Editor/hasInlines/inline-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,10 +13,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.hasInlines(editor, inline)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/hasInlines/inline.js b/packages/slate/test/interfaces/Editor/hasInlines/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasInlines/inline.js
rename to packages/slate/test/interfaces/Editor/hasInlines/inline.tsx
index f47ed6e93..80be1d79d 100644
--- a/packages/slate/test/interfaces/Editor/hasInlines/inline.js
+++ b/packages/slate/test/interfaces/Editor/hasInlines/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasInlines(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/hasTexts/block-nested.js b/packages/slate/test/interfaces/Editor/hasTexts/block-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasTexts/block-nested.js
rename to packages/slate/test/interfaces/Editor/hasTexts/block-nested.tsx
index 143ac3d4a..6d4aba96c 100644
--- a/packages/slate/test/interfaces/Editor/hasTexts/block-nested.js
+++ b/packages/slate/test/interfaces/Editor/hasTexts/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasTexts(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/hasTexts/block.js b/packages/slate/test/interfaces/Editor/hasTexts/block.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/hasTexts/block.js
rename to packages/slate/test/interfaces/Editor/hasTexts/block.tsx
index 00f8ff6c2..7e668bb9b 100644
--- a/packages/slate/test/interfaces/Editor/hasTexts/block.js
+++ b/packages/slate/test/interfaces/Editor/hasTexts/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.hasTexts(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/hasTexts/inline-nested.js b/packages/slate/test/interfaces/Editor/hasTexts/inline-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasTexts/inline-nested.js
rename to packages/slate/test/interfaces/Editor/hasTexts/inline-nested.tsx
index b759b1888..92e21330d 100644
--- a/packages/slate/test/interfaces/Editor/hasTexts/inline-nested.js
+++ b/packages/slate/test/interfaces/Editor/hasTexts/inline-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,10 +13,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.hasTexts(editor, inline)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/hasTexts/inline.js b/packages/slate/test/interfaces/Editor/hasTexts/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/hasTexts/inline.js
rename to packages/slate/test/interfaces/Editor/hasTexts/inline.tsx
index 042bfb5af..56e8e8c45 100644
--- a/packages/slate/test/interfaces/Editor/hasTexts/inline.js
+++ b/packages/slate/test/interfaces/Editor/hasTexts/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.hasTexts(editor, inline)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isBlock/block.js b/packages/slate/test/interfaces/Editor/isBlock/block.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/isBlock/block.js
rename to packages/slate/test/interfaces/Editor/isBlock/block.tsx
index 1481a084c..c0093aa2f 100644
--- a/packages/slate/test/interfaces/Editor/isBlock/block.js
+++ b/packages/slate/test/interfaces/Editor/isBlock/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isBlock(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isBlock/inline.js b/packages/slate/test/interfaces/Editor/isBlock/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isBlock/inline.js
rename to packages/slate/test/interfaces/Editor/isBlock/inline.tsx
index 95113d8f1..cac96b785 100644
--- a/packages/slate/test/interfaces/Editor/isBlock/inline.js
+++ b/packages/slate/test/interfaces/Editor/isBlock/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isBlock(editor, inline)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isEdge/path-start.js b/packages/slate/test/interfaces/Editor/isEdge/path-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEdge/path-start.js
rename to packages/slate/test/interfaces/Editor/isEdge/path-end.tsx
index 9d3c768f4..290b9aa40 100644
--- a/packages/slate/test/interfaces/Editor/isEdge/path-start.js
+++ b/packages/slate/test/interfaces/Editor/isEdge/path-end.tsx
@@ -1,20 +1,17 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
 export const input = (
   <editor>
     <block>
-      <cursor />
       one
+      <cursor />
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isEdge(editor, anchor, [0])
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isEdge/path-middle.js b/packages/slate/test/interfaces/Editor/isEdge/path-middle.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEdge/path-middle.js
rename to packages/slate/test/interfaces/Editor/isEdge/path-middle.tsx
index cca01f19d..4c0165dab 100644
--- a/packages/slate/test/interfaces/Editor/isEdge/path-middle.js
+++ b/packages/slate/test/interfaces/Editor/isEdge/path-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,10 +10,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isEdge(editor, anchor, [0])
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isEdge/path-end.js b/packages/slate/test/interfaces/Editor/isEdge/path-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEdge/path-end.js
rename to packages/slate/test/interfaces/Editor/isEdge/path-start.tsx
index 4dd6f4791..37642167e 100644
--- a/packages/slate/test/interfaces/Editor/isEdge/path-end.js
+++ b/packages/slate/test/interfaces/Editor/isEdge/path-start.tsx
@@ -1,20 +1,17 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
 export const input = (
   <editor>
     <block>
-      one
       <cursor />
+      one
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isEdge(editor, anchor, [0])
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/block-blank.js b/packages/slate/test/interfaces/Editor/isEmpty/block-blank.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEmpty/block-blank.js
rename to packages/slate/test/interfaces/Editor/isEmpty/block-blank.tsx
index ba39f9075..36b65a15b 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/block-blank.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/block-blank.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isEmpty(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/block-empty.js b/packages/slate/test/interfaces/Editor/isEmpty/block-empty.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/isEmpty/block-empty.js
rename to packages/slate/test/interfaces/Editor/isEmpty/block-empty.tsx
index 14c57c159..d516c2d79 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/block-empty.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/block-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block />
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isEmpty(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/block-full.js b/packages/slate/test/interfaces/Editor/isEmpty/block-full.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/isEmpty/block-full.js
rename to packages/slate/test/interfaces/Editor/isEmpty/block-full.tsx
index 3a8e80f52..11bb17bf6 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/block-full.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/block-full.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isEmpty(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/block-void.js b/packages/slate/test/interfaces/Editor/isEmpty/block-void.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEmpty/block-void.js
rename to packages/slate/test/interfaces/Editor/isEmpty/block-void.tsx
index 55061d265..63844c92a 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/block-void.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isEmpty(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/inline-blank.js b/packages/slate/test/interfaces/Editor/isEmpty/inline-blank.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEmpty/inline-blank.js
rename to packages/slate/test/interfaces/Editor/isEmpty/inline-blank.tsx
index 9462d93a2..56d04f26c 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/inline-blank.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/inline-blank.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,10 +13,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isEmpty(editor, inline)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/inline-empty.js b/packages/slate/test/interfaces/Editor/isEmpty/inline-empty.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEmpty/inline-empty.js
rename to packages/slate/test/interfaces/Editor/isEmpty/inline-empty.tsx
index 0580d1ad5..188481f4b 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/inline-empty.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/inline-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,10 +11,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isEmpty(editor, inline)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/inline-full.js b/packages/slate/test/interfaces/Editor/isEmpty/inline-full.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEmpty/inline-full.js
rename to packages/slate/test/interfaces/Editor/isEmpty/inline-full.tsx
index a156150dd..ea1f13204 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/inline-full.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/inline-full.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isEmpty(editor, inline)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isEmpty/inline-void.js b/packages/slate/test/interfaces/Editor/isEmpty/inline-void.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEmpty/inline-void.js
rename to packages/slate/test/interfaces/Editor/isEmpty/inline-void.tsx
index df0eed590..c08aa1a87 100644
--- a/packages/slate/test/interfaces/Editor/isEmpty/inline-void.js
+++ b/packages/slate/test/interfaces/Editor/isEmpty/inline-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,10 +13,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isEmpty(editor, inline)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isEnd/path-end.js b/packages/slate/test/interfaces/Editor/isEnd/path-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEnd/path-end.js
rename to packages/slate/test/interfaces/Editor/isEnd/path-end.tsx
index 55b31285a..9aba37b70 100644
--- a/packages/slate/test/interfaces/Editor/isEnd/path-end.js
+++ b/packages/slate/test/interfaces/Editor/isEnd/path-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,10 +10,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isEnd(editor, anchor, [0])
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isEnd/path-middle.js b/packages/slate/test/interfaces/Editor/isEnd/path-middle.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEnd/path-middle.js
rename to packages/slate/test/interfaces/Editor/isEnd/path-middle.tsx
index 819f7ba79..e19fe1568 100644
--- a/packages/slate/test/interfaces/Editor/isEnd/path-middle.js
+++ b/packages/slate/test/interfaces/Editor/isEnd/path-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,10 +10,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isEnd(editor, anchor, [0])
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isEnd/path-start.js b/packages/slate/test/interfaces/Editor/isEnd/path-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isEnd/path-start.js
rename to packages/slate/test/interfaces/Editor/isEnd/path-start.tsx
index b60867bd5..5ceada862 100644
--- a/packages/slate/test/interfaces/Editor/isEnd/path-start.js
+++ b/packages/slate/test/interfaces/Editor/isEnd/path-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,10 +10,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isEnd(editor, anchor, [0])
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isInline/block.js b/packages/slate/test/interfaces/Editor/isInline/block.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/isInline/block.js
rename to packages/slate/test/interfaces/Editor/isInline/block.tsx
index fba2c24be..3b743e225 100644
--- a/packages/slate/test/interfaces/Editor/isInline/block.js
+++ b/packages/slate/test/interfaces/Editor/isInline/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isInline(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isInline/inline.js b/packages/slate/test/interfaces/Editor/isInline/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isInline/inline.js
rename to packages/slate/test/interfaces/Editor/isInline/inline.tsx
index 7b2216861..3074eb060 100644
--- a/packages/slate/test/interfaces/Editor/isInline/inline.js
+++ b/packages/slate/test/interfaces/Editor/isInline/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isInline(editor, inline)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isStart/path-end.js b/packages/slate/test/interfaces/Editor/isStart/path-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isStart/path-end.js
rename to packages/slate/test/interfaces/Editor/isStart/path-end.tsx
index dc41441f0..50cb5a809 100644
--- a/packages/slate/test/interfaces/Editor/isStart/path-end.js
+++ b/packages/slate/test/interfaces/Editor/isStart/path-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,10 +10,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isStart(editor, anchor, [0])
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isStart/path-middle.js b/packages/slate/test/interfaces/Editor/isStart/path-middle.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isStart/path-middle.js
rename to packages/slate/test/interfaces/Editor/isStart/path-middle.tsx
index 6cbad8913..0f54f763b 100644
--- a/packages/slate/test/interfaces/Editor/isStart/path-middle.js
+++ b/packages/slate/test/interfaces/Editor/isStart/path-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,10 +10,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isStart(editor, anchor, [0])
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isStart/path-start.js b/packages/slate/test/interfaces/Editor/isStart/path-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isStart/path-start.js
rename to packages/slate/test/interfaces/Editor/isStart/path-start.tsx
index 188748712..c2bac2d18 100644
--- a/packages/slate/test/interfaces/Editor/isStart/path-start.js
+++ b/packages/slate/test/interfaces/Editor/isStart/path-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,10 +10,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const { anchor } = editor.selection
   return Editor.isStart(editor, anchor, [0])
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isVoid/block-void.js b/packages/slate/test/interfaces/Editor/isVoid/block-void.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/isVoid/block-void.js
rename to packages/slate/test/interfaces/Editor/isVoid/block-void.tsx
index 7ca83cb17..22c69f57b 100644
--- a/packages/slate/test/interfaces/Editor/isVoid/block-void.js
+++ b/packages/slate/test/interfaces/Editor/isVoid/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block void>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isVoid(editor, block)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isVoid/block.js b/packages/slate/test/interfaces/Editor/isVoid/block.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/isVoid/block.js
rename to packages/slate/test/interfaces/Editor/isVoid/block.tsx
index cddab91c6..bb00d782c 100644
--- a/packages/slate/test/interfaces/Editor/isVoid/block.js
+++ b/packages/slate/test/interfaces/Editor/isVoid/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,10 +7,8 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   const block = editor.children[0]
   return Editor.isVoid(editor, block)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/isVoid/inline-void.js b/packages/slate/test/interfaces/Editor/isVoid/inline-void.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isVoid/inline-void.js
rename to packages/slate/test/interfaces/Editor/isVoid/inline-void.tsx
index dd8127953..b373af12d 100644
--- a/packages/slate/test/interfaces/Editor/isVoid/inline-void.js
+++ b/packages/slate/test/interfaces/Editor/isVoid/inline-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isVoid(editor, inline)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Editor/isVoid/inline.js b/packages/slate/test/interfaces/Editor/isVoid/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/isVoid/inline.js
rename to packages/slate/test/interfaces/Editor/isVoid/inline.tsx
index feac6e5d8..8ed178d0f 100644
--- a/packages/slate/test/interfaces/Editor/isVoid/inline.js
+++ b/packages/slate/test/interfaces/Editor/isVoid/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,10 +9,8 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   const inline = editor.children[0].children[1]
   return Editor.isVoid(editor, inline)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Editor/levels/match.js b/packages/slate/test/interfaces/Editor/levels/match.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/levels/match.js
rename to packages/slate/test/interfaces/Editor/levels/match.tsx
index 2f995741c..26dbb5135 100644
--- a/packages/slate/test/interfaces/Editor/levels/match.js
+++ b/packages/slate/test/interfaces/Editor/levels/match.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.levels(editor, {
@@ -19,7 +17,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   [
     <element a>
diff --git a/packages/slate/test/interfaces/Editor/levels/reverse.js b/packages/slate/test/interfaces/Editor/levels/reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/levels/reverse.js
rename to packages/slate/test/interfaces/Editor/levels/reverse.tsx
index 7fb236269..4cc3d4837 100644
--- a/packages/slate/test/interfaces/Editor/levels/reverse.js
+++ b/packages/slate/test/interfaces/Editor/levels/reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.levels(editor, {
@@ -19,7 +17,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   [<text />, [0, 0]],
   [
diff --git a/packages/slate/test/interfaces/Editor/levels/success.js b/packages/slate/test/interfaces/Editor/levels/success.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/levels/success.js
rename to packages/slate/test/interfaces/Editor/levels/success.tsx
index 57496384a..b2b9660b4 100644
--- a/packages/slate/test/interfaces/Editor/levels/success.js
+++ b/packages/slate/test/interfaces/Editor/levels/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.levels(editor, { at: [0, 0] }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/levels/voids-false.js b/packages/slate/test/interfaces/Editor/levels/voids-false.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/levels/voids-false.js
rename to packages/slate/test/interfaces/Editor/levels/voids-false.tsx
index 6b129b511..5392f20e0 100644
--- a/packages/slate/test/interfaces/Editor/levels/voids-false.js
+++ b/packages/slate/test/interfaces/Editor/levels/voids-false.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.levels(editor, { at: [0, 0] }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/levels/voids-true.js b/packages/slate/test/interfaces/Editor/levels/voids-true.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/levels/voids-true.js
rename to packages/slate/test/interfaces/Editor/levels/voids-true.tsx
index df9412cb5..b4892e4f9 100644
--- a/packages/slate/test/interfaces/Editor/levels/voids-true.js
+++ b/packages/slate/test/interfaces/Editor/levels/voids-true.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.levels(editor, {
@@ -19,7 +17,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/next/block.js b/packages/slate/test/interfaces/Editor/next/block.tsx
similarity index 73%
rename from packages/slate/test/interfaces/Editor/next/block.js
rename to packages/slate/test/interfaces/Editor/next/block.tsx
index b21358197..9894a20f6 100644
--- a/packages/slate/test/interfaces/Editor/next/block.js
+++ b/packages/slate/test/interfaces/Editor/next/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,9 +8,10 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
-  return Editor.next(editor, { at: [0], match: n => Editor.isBlock(editor, n) })
+  return Editor.next(editor, {
+    at: [0],
+    match: n => Editor.isBlock(editor, n),
+  })
 }
-
 export const output = [<block>two</block>, [1]]
diff --git a/packages/slate/test/interfaces/Editor/next/default.js b/packages/slate/test/interfaces/Editor/next/default.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/next/default.js
rename to packages/slate/test/interfaces/Editor/next/default.tsx
index d18704434..5310e02d5 100644
--- a/packages/slate/test/interfaces/Editor/next/default.js
+++ b/packages/slate/test/interfaces/Editor/next/default.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,9 +8,7 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.next(editor, { at: [0] })
 }
-
 export const output = [<block>two</block>, [1]]
diff --git a/packages/slate/test/interfaces/Editor/next/text.js b/packages/slate/test/interfaces/Editor/next/text.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/next/text.js
rename to packages/slate/test/interfaces/Editor/next/text.tsx
index 2096e98e5..ed96d10c2 100644
--- a/packages/slate/test/interfaces/Editor/next/text.js
+++ b/packages/slate/test/interfaces/Editor/next/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Text } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,9 +8,7 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.next(editor, { at: [0], match: Text.isText })
 }
-
 export const output = [<text>two</text>, [1, 0]]
diff --git a/packages/slate/test/interfaces/Editor/node/path.js b/packages/slate/test/interfaces/Editor/node/path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/node/path.js
rename to packages/slate/test/interfaces/Editor/node/path.tsx
index bd928517d..64e5d9797 100644
--- a/packages/slate/test/interfaces/Editor/node/path.js
+++ b/packages/slate/test/interfaces/Editor/node/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.node(editor, [0])
 }
-
 export const output = [<block>one</block>, [0]]
diff --git a/packages/slate/test/interfaces/Editor/node/point.js b/packages/slate/test/interfaces/Editor/node/point.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/node/point.js
rename to packages/slate/test/interfaces/Editor/node/point.tsx
index be35ca796..ec925ca98 100644
--- a/packages/slate/test/interfaces/Editor/node/point.js
+++ b/packages/slate/test/interfaces/Editor/node/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.node(editor, { path: [0, 0], offset: 1 })
 }
-
 export const output = [<text>one</text>, [0, 0]]
diff --git a/packages/slate/test/interfaces/Editor/node/range-end.js b/packages/slate/test/interfaces/Editor/node/range-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/node/range-end.js
rename to packages/slate/test/interfaces/Editor/node/range-end.tsx
index 40741c320..6ad13fdc7 100644
--- a/packages/slate/test/interfaces/Editor/node/range-end.js
+++ b/packages/slate/test/interfaces/Editor/node/range-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.node(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'end' }
   )
 }
-
 export const output = [<text>two</text>, [1, 0]]
diff --git a/packages/slate/test/interfaces/Editor/node/range-start.js b/packages/slate/test/interfaces/Editor/node/range-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/node/range-start.js
rename to packages/slate/test/interfaces/Editor/node/range-start.tsx
index 6f218abd7..239d545a2 100644
--- a/packages/slate/test/interfaces/Editor/node/range-start.js
+++ b/packages/slate/test/interfaces/Editor/node/range-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.node(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'start' }
   )
 }
-
 export const output = [<text>one</text>, [0, 0]]
diff --git a/packages/slate/test/interfaces/Editor/node/range.js b/packages/slate/test/interfaces/Editor/node/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/node/range.js
rename to packages/slate/test/interfaces/Editor/node/range.tsx
index c47d3ef03..48b8cdebe 100644
--- a/packages/slate/test/interfaces/Editor/node/range.js
+++ b/packages/slate/test/interfaces/Editor/node/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,12 +8,10 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.node(editor, {
     anchor: { path: [0, 0], offset: 1 },
     focus: { path: [1, 0], offset: 2 },
   })
 }
-
 export const output = [input, []]
diff --git a/packages/slate/test/interfaces/Editor/nodes/match-function/block.js b/packages/slate/test/interfaces/Editor/nodes/match-function/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/match-function/block.js
rename to packages/slate/test/interfaces/Editor/nodes/match-function/block.tsx
index 1c7c5cdc2..794c1022d 100644
--- a/packages/slate/test/interfaces/Editor/nodes/match-function/block.js
+++ b/packages/slate/test/interfaces/Editor/nodes/match-function/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -8,7 +7,6 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -17,5 +15,4 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [[<block>one</block>, [0]]]
diff --git a/packages/slate/test/interfaces/Editor/nodes/match-function/editor.js b/packages/slate/test/interfaces/Editor/nodes/match-function/editor.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/match-function/editor.js
rename to packages/slate/test/interfaces/Editor/nodes/match-function/editor.tsx
index 07ef36a25..f654b3233 100644
--- a/packages/slate/test/interfaces/Editor/nodes/match-function/editor.js
+++ b/packages/slate/test/interfaces/Editor/nodes/match-function/editor.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,7 +9,6 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -20,5 +18,4 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [[input, []]]
diff --git a/packages/slate/test/interfaces/Editor/nodes/match-function/inline.js b/packages/slate/test/interfaces/Editor/nodes/match-function/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/match-function/inline.js
rename to packages/slate/test/interfaces/Editor/nodes/match-function/inline.tsx
index fe48a89cd..e261e57a6 100644
--- a/packages/slate/test/interfaces/Editor/nodes/match-function/inline.js
+++ b/packages/slate/test/interfaces/Editor/nodes/match-function/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -19,5 +17,4 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [[<inline>two</inline>, [0, 1]]]
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-all/block.js b/packages/slate/test/interfaces/Editor/nodes/mode-all/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-all/block.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-all/block.tsx
index cd094df16..0b1f1d5cc 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-all/block.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-all/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,13 +12,11 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, { at: [], match: n => n.a, mode: 'all' })
   )
 }
-
 export const output = [
   [
     <block a>
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-highest/block.js b/packages/slate/test/interfaces/Editor/nodes/mode-highest/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-highest/block.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-highest/block.tsx
index a200911d2..1918a196c 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-highest/block.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-highest/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,13 +12,11 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, { at: [], match: n => n.a, mode: 'highest' })
   )
 }
-
 export const output = [
   [
     <block a>
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-lowest/block.js b/packages/slate/test/interfaces/Editor/nodes/mode-lowest/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-lowest/block.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-lowest/block.tsx
index 48b777adb..7dddcfb10 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-lowest/block.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-lowest/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,13 +12,11 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, { at: [], match: n => n.a, mode: 'lowest' })
   )
 }
-
 export const output = [
   [<block a>one</block>, [0, 0]],
   [<block a>two</block>, [1, 0]],
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-universal/all-nested.js b/packages/slate/test/interfaces/Editor/nodes/mode-universal/all-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-universal/all-nested.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-universal/all-nested.tsx
index 8268f7862..5be214aa3 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-universal/all-nested.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-universal/all-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -24,7 +22,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   [<block a>one</block>, [0, 0]],
   [<block a>two</block>, [1, 0]],
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-universal/all.js b/packages/slate/test/interfaces/Editor/nodes/mode-universal/all.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-universal/all.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-universal/all.tsx
index 379d2cd80..d132ac45c 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-universal/all.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-universal/all.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block a>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -20,7 +18,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   [<block a>one</block>, [0]],
   [<block a>two</block>, [1]],
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-universal/branch-nested.js b/packages/slate/test/interfaces/Editor/nodes/mode-universal/branch-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-universal/branch-nested.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-universal/branch-nested.tsx
index 7bcc4ae71..337fc7581 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-universal/branch-nested.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-universal/branch-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -24,7 +22,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   [
     <block a>
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-universal/none-nested.js b/packages/slate/test/interfaces/Editor/nodes/mode-universal/none-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-universal/none-nested.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-universal/none-nested.tsx
index 5488bd301..08bf0e38f 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-universal/none-nested.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-universal/none-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -24,5 +22,4 @@ export const test = editor => {
     })
   )
 }
-
 export const output = []
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-universal/none.js b/packages/slate/test/interfaces/Editor/nodes/mode-universal/none.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-universal/none.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-universal/none.tsx
index b4969452f..fb70e7ef8 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-universal/none.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-universal/none.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block a>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -20,5 +18,4 @@ export const test = editor => {
     })
   )
 }
-
 export const output = []
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-universal/some-nested.js b/packages/slate/test/interfaces/Editor/nodes/mode-universal/some-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-universal/some-nested.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-universal/some-nested.tsx
index a2e029415..2a3fe7fbb 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-universal/some-nested.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-universal/some-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -24,5 +22,4 @@ export const test = editor => {
     })
   )
 }
-
 export const output = []
diff --git a/packages/slate/test/interfaces/Editor/nodes/mode-universal/some.js b/packages/slate/test/interfaces/Editor/nodes/mode-universal/some.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/mode-universal/some.js
rename to packages/slate/test/interfaces/Editor/nodes/mode-universal/some.tsx
index f2842be46..1f3f7336b 100644
--- a/packages/slate/test/interfaces/Editor/nodes/mode-universal/some.js
+++ b/packages/slate/test/interfaces/Editor/nodes/mode-universal/some.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block b>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, {
@@ -20,5 +18,4 @@ export const test = editor => {
     })
   )
 }
-
 export const output = []
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/block-multiple.js b/packages/slate/test/interfaces/Editor/nodes/no-match/block-multiple.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/block-multiple.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/block-multiple.tsx
index 0daa5b944..db778b6d9 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/block-multiple.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/block-multiple.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [<block>one</block>, [0]],
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/block-nested.js b/packages/slate/test/interfaces/Editor/nodes/no-match/block-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/block-nested.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/block-nested.tsx
index 74b95135b..5103026d6 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/block-nested.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/block-reverse.js b/packages/slate/test/interfaces/Editor/nodes/no-match/block-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/block-reverse.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/block-reverse.tsx
index e536baabe..0edbaec4d 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/block-reverse.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/block-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [], reverse: true }))
 }
-
 export const output = [
   [input, []],
   [<block>two</block>, [1]],
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/block-void.js b/packages/slate/test/interfaces/Editor/nodes/no-match/block-void.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/block-void.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/block-void.tsx
index 1ec15255b..7f461a8ab 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/block-void.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [<block void>one</block>, [0]],
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/block.js b/packages/slate/test/interfaces/Editor/nodes/no-match/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/block.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/block.tsx
index a33da8b5b..9cffa9d9c 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/block.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [<block>one</block>, [0]],
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-multiple.js b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-multiple.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/inline-multiple.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/inline-multiple.tsx
index c78a001de..5c91b6a88 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-multiple.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-multiple.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-nested.js b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/inline-nested.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/inline-nested.tsx
index 558f4c556..c00e4adb5 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-nested.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-reverse.js b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/inline-reverse.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/inline-reverse.tsx
index 82bd3d164..d583323fb 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-reverse.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [], reverse: true }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-void.js b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-void.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/inline-void.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/inline-void.tsx
index 7f6fe5d58..68d57a259 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/inline-void.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/inline-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/nodes/no-match/inline.js b/packages/slate/test/interfaces/Editor/nodes/no-match/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/no-match/inline.js
rename to packages/slate/test/interfaces/Editor/nodes/no-match/inline.tsx
index c135ac205..2eeb21996 100644
--- a/packages/slate/test/interfaces/Editor/nodes/no-match/inline.js
+++ b/packages/slate/test/interfaces/Editor/nodes/no-match/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.nodes(editor, { at: [] }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Editor/nodes/voids-true/block.js b/packages/slate/test/interfaces/Editor/nodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/voids-true/block.js
rename to packages/slate/test/interfaces/Editor/nodes/voids-true/block.tsx
index 66ea3386b..b5fb1f590 100644
--- a/packages/slate/test/interfaces/Editor/nodes/voids-true/block.js
+++ b/packages/slate/test/interfaces/Editor/nodes/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Text } from 'slate'
 import { jsx } from '../../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, { at: [], match: Text.isText, voids: true })
   )
 }
-
 export const output = [[<text>one</text>, [0, 0]]]
diff --git a/packages/slate/test/interfaces/Editor/nodes/voids-true/inline.js b/packages/slate/test/interfaces/Editor/nodes/voids-true/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/nodes/voids-true/inline.js
rename to packages/slate/test/interfaces/Editor/nodes/voids-true/inline.tsx
index 5f116dee6..01d9e1a75 100644
--- a/packages/slate/test/interfaces/Editor/nodes/voids-true/inline.js
+++ b/packages/slate/test/interfaces/Editor/nodes/voids-true/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Text } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,13 +9,11 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.nodes(editor, { at: [], match: Text.isText, voids: true })
   )
 }
-
 export const output = [
   [<text>one</text>, [0, 0]],
   [<text>two</text>, [0, 1, 0]],
diff --git a/packages/slate/test/interfaces/Editor/parent/path.js b/packages/slate/test/interfaces/Editor/parent/path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/parent/path.js
rename to packages/slate/test/interfaces/Editor/parent/path.tsx
index 366895871..68aa69ef8 100644
--- a/packages/slate/test/interfaces/Editor/parent/path.js
+++ b/packages/slate/test/interfaces/Editor/parent/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.parent(editor, [0, 0])
 }
-
 export const output = [<block>one</block>, [0]]
diff --git a/packages/slate/test/interfaces/Editor/parent/point.js b/packages/slate/test/interfaces/Editor/parent/point.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/parent/point.js
rename to packages/slate/test/interfaces/Editor/parent/point.tsx
index b3ba30baf..b24e42694 100644
--- a/packages/slate/test/interfaces/Editor/parent/point.js
+++ b/packages/slate/test/interfaces/Editor/parent/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.parent(editor, { path: [0, 0], offset: 1 })
 }
-
 export const output = [<block>one</block>, [0]]
diff --git a/packages/slate/test/interfaces/Editor/parent/range-end.js b/packages/slate/test/interfaces/Editor/parent/range-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/parent/range-end.js
rename to packages/slate/test/interfaces/Editor/parent/range-end.tsx
index e35d623ee..5f4130516 100644
--- a/packages/slate/test/interfaces/Editor/parent/range-end.js
+++ b/packages/slate/test/interfaces/Editor/parent/range-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.parent(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'end' }
   )
 }
-
 export const output = [<block>two</block>, [1]]
diff --git a/packages/slate/test/interfaces/Editor/parent/range-start.js b/packages/slate/test/interfaces/Editor/parent/range-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/parent/range-start.js
rename to packages/slate/test/interfaces/Editor/parent/range-start.tsx
index bfb1d9557..23769ae62 100644
--- a/packages/slate/test/interfaces/Editor/parent/range-start.js
+++ b/packages/slate/test/interfaces/Editor/parent/range-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.parent(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'start' }
   )
 }
-
 export const output = [<block>one</block>, [0]]
diff --git a/packages/slate/test/interfaces/Editor/parent/range.js b/packages/slate/test/interfaces/Editor/parent/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/parent/range.js
rename to packages/slate/test/interfaces/Editor/parent/range.tsx
index 570f6ff2c..4b753d810 100644
--- a/packages/slate/test/interfaces/Editor/parent/range.js
+++ b/packages/slate/test/interfaces/Editor/parent/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,12 +8,10 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.parent(editor, {
     anchor: { path: [0, 0], offset: 1 },
     focus: { path: [0, 0], offset: 2 },
   })
 }
-
 export const output = [<block>one</block>, [0]]
diff --git a/packages/slate/test/interfaces/Editor/path/path.js b/packages/slate/test/interfaces/Editor/path/path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/path/path.js
rename to packages/slate/test/interfaces/Editor/path/path.tsx
index 5654ef897..739f4708c 100644
--- a/packages/slate/test/interfaces/Editor/path/path.js
+++ b/packages/slate/test/interfaces/Editor/path/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.path(editor, [0])
 }
-
 export const output = [0]
diff --git a/packages/slate/test/interfaces/Editor/path/point.js b/packages/slate/test/interfaces/Editor/path/point.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/path/point.js
rename to packages/slate/test/interfaces/Editor/path/point.tsx
index 8a8295c0d..0c8307d79 100644
--- a/packages/slate/test/interfaces/Editor/path/point.js
+++ b/packages/slate/test/interfaces/Editor/path/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.path(editor, { path: [0, 0], offset: 1 })
 }
-
 export const output = [0, 0]
diff --git a/packages/slate/test/interfaces/Editor/path/range-end.js b/packages/slate/test/interfaces/Editor/path/range-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/path/range-end.js
rename to packages/slate/test/interfaces/Editor/path/range-end.tsx
index e048b2ae5..acab2a43e 100644
--- a/packages/slate/test/interfaces/Editor/path/range-end.js
+++ b/packages/slate/test/interfaces/Editor/path/range-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.path(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'end' }
   )
 }
-
 export const output = [1, 0]
diff --git a/packages/slate/test/interfaces/Editor/path/range-start.js b/packages/slate/test/interfaces/Editor/path/range-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/path/range-start.js
rename to packages/slate/test/interfaces/Editor/path/range-start.tsx
index 379967720..b6f183668 100644
--- a/packages/slate/test/interfaces/Editor/path/range-start.js
+++ b/packages/slate/test/interfaces/Editor/path/range-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.path(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'start' }
   )
 }
-
 export const output = [0, 0]
diff --git a/packages/slate/test/interfaces/Editor/path/range.js b/packages/slate/test/interfaces/Editor/path/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/path/range.js
rename to packages/slate/test/interfaces/Editor/path/range.tsx
index b9878b40d..3a441c49f 100644
--- a/packages/slate/test/interfaces/Editor/path/range.js
+++ b/packages/slate/test/interfaces/Editor/path/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,12 +8,10 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.path(editor, {
     anchor: { path: [0, 0], offset: 1 },
     focus: { path: [1, 0], offset: 2 },
   })
 }
-
 export const output = []
diff --git a/packages/slate/test/interfaces/Editor/point/path-end.js b/packages/slate/test/interfaces/Editor/point/path-end.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/point/path-end.js
rename to packages/slate/test/interfaces/Editor/point/path-end.tsx
index 8f2d73661..f9ff823fe 100644
--- a/packages/slate/test/interfaces/Editor/point/path-end.js
+++ b/packages/slate/test/interfaces/Editor/point/path-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.point(editor, [0], { edge: 'end' })
 }
-
 export const output = { path: [0, 0], offset: 3 }
diff --git a/packages/slate/test/interfaces/Editor/point/path-start.js b/packages/slate/test/interfaces/Editor/point/path-start.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/point/path-start.js
rename to packages/slate/test/interfaces/Editor/point/path-start.tsx
index d74ce9965..dbf74e1b8 100644
--- a/packages/slate/test/interfaces/Editor/point/path-start.js
+++ b/packages/slate/test/interfaces/Editor/point/path-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.point(editor, [0], { edge: 'start' })
 }
-
 export const output = { path: [0, 0], offset: 0 }
diff --git a/packages/slate/test/interfaces/Editor/point/path.js b/packages/slate/test/interfaces/Editor/point/path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/point/path.js
rename to packages/slate/test/interfaces/Editor/point/path.tsx
index ae0d0597a..a7d8fb3fa 100644
--- a/packages/slate/test/interfaces/Editor/point/path.js
+++ b/packages/slate/test/interfaces/Editor/point/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.point(editor, [0])
 }
-
 export const output = { path: [0, 0], offset: 0 }
diff --git a/packages/slate/test/interfaces/Editor/point/point.js b/packages/slate/test/interfaces/Editor/point/point.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/point/point.js
rename to packages/slate/test/interfaces/Editor/point/point.tsx
index 203ebce94..7c30db4fe 100644
--- a/packages/slate/test/interfaces/Editor/point/point.js
+++ b/packages/slate/test/interfaces/Editor/point/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.point(editor, { path: [0, 0], offset: 1 })
 }
-
 export const output = { path: [0, 0], offset: 1 }
diff --git a/packages/slate/test/interfaces/Editor/point/range-end.js b/packages/slate/test/interfaces/Editor/point/range-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/point/range-end.js
rename to packages/slate/test/interfaces/Editor/point/range-end.tsx
index b0bd2385a..77d9e7090 100644
--- a/packages/slate/test/interfaces/Editor/point/range-end.js
+++ b/packages/slate/test/interfaces/Editor/point/range-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.point(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'end' }
   )
 }
-
 export const output = { path: [0, 1], offset: 2 }
diff --git a/packages/slate/test/interfaces/Editor/point/range-start.js b/packages/slate/test/interfaces/Editor/point/range-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/point/range-start.js
rename to packages/slate/test/interfaces/Editor/point/range-start.tsx
index ce2681c51..201fb2a8d 100644
--- a/packages/slate/test/interfaces/Editor/point/range-start.js
+++ b/packages/slate/test/interfaces/Editor/point/range-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.point(
     editor,
@@ -20,5 +18,4 @@ export const test = editor => {
     { edge: 'start' }
   )
 }
-
 export const output = { path: [0, 0], offset: 1 }
diff --git a/packages/slate/test/interfaces/Editor/point/range.js b/packages/slate/test/interfaces/Editor/point/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/point/range.js
rename to packages/slate/test/interfaces/Editor/point/range.tsx
index 7e4855812..d26d19cc7 100644
--- a/packages/slate/test/interfaces/Editor/point/range.js
+++ b/packages/slate/test/interfaces/Editor/point/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,12 +8,10 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.point(editor, {
     anchor: { path: [0, 0], offset: 1 },
     focus: { path: [0, 1], offset: 2 },
   })
 }
-
 export const output = { path: [0, 0], offset: 1 }
diff --git a/packages/slate/test/interfaces/Editor/positions/all/block-multiple-reverse.js b/packages/slate/test/interfaces/Editor/positions/all/block-multiple-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/block-multiple-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/all/block-multiple-reverse.tsx
index 1f9fc49b7..bb649496c 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/block-multiple-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/block-multiple-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [], reverse: true }))
 }
-
 export const output = [
   { path: [2, 0], offset: 5 },
   { path: [2, 0], offset: 4 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/block-multiple.js b/packages/slate/test/interfaces/Editor/positions/all/block-multiple.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/block-multiple.js
rename to packages/slate/test/interfaces/Editor/positions/all/block-multiple.tsx
index cfb85b8fa..a4ee86186 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/block-multiple.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/block-multiple.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [] }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/block-nested.js b/packages/slate/test/interfaces/Editor/positions/all/block-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/block-nested.js
rename to packages/slate/test/interfaces/Editor/positions/all/block-nested.tsx
index 62a5d5408..87d121002 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/block-nested.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [] }))
 }
-
 export const output = [
   { path: [0, 0, 0], offset: 0 },
   { path: [0, 0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/block-reverse.js b/packages/slate/test/interfaces/Editor/positions/all/block-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/block-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/all/block-reverse.tsx
index eda5c8596..e4ec2b3f8 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/block-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/block-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [], reverse: true }))
 }
-
 export const output = [
   { path: [0, 0], offset: 3 },
   { path: [0, 0], offset: 2 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/block.js b/packages/slate/test/interfaces/Editor/positions/all/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/block.js
rename to packages/slate/test/interfaces/Editor/positions/all/block.tsx
index a748c0fe6..4bb238aae 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/block.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [] }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/inline-multiple.js b/packages/slate/test/interfaces/Editor/positions/all/inline-multiple.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/inline-multiple.js
rename to packages/slate/test/interfaces/Editor/positions/all/inline-multiple.tsx
index a25dcfdc2..d5e0dd752 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/inline-multiple.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/inline-multiple.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [] }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/inline-nested.js b/packages/slate/test/interfaces/Editor/positions/all/inline-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/inline-nested.js
rename to packages/slate/test/interfaces/Editor/positions/all/inline-nested.tsx
index 165f24d9f..1305b06e3 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/inline-nested.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/inline-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [] }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/inline-reverse.js b/packages/slate/test/interfaces/Editor/positions/all/inline-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/inline-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/all/inline-reverse.tsx
index 78f157e50..6376ce114 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/inline-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/inline-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [], reverse: true }))
 }
-
 export const output = [
   { path: [0, 2], offset: 5 },
   { path: [0, 2], offset: 4 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/inline.js b/packages/slate/test/interfaces/Editor/positions/all/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/inline.js
rename to packages/slate/test/interfaces/Editor/positions/all/inline.tsx
index b765f308e..bbe7b615b 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/inline.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [] }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-block-reverse.js b/packages/slate/test/interfaces/Editor/positions/all/unit-block-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-block-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-block-reverse.tsx
index 477cf2b4d..c0aa5ecb6 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-block-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-block-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,13 +8,11 @@ export const input = (
     <block>four five six</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.positions(editor, { at: [], unit: 'block', reverse: true })
   )
 }
-
 export const output = [
   { path: [1, 0], offset: 13 },
   { path: [1, 0], offset: 0 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-block.js b/packages/slate/test/interfaces/Editor/positions/all/unit-block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-block.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-block.tsx
index 81d2eb22c..acd49611c 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-block.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>four five six</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [], unit: 'block' }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 13 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-character-reverse.js b/packages/slate/test/interfaces/Editor/positions/all/unit-character-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-character-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-character-reverse.tsx
index ec0f2cd30..8aa196f52 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-character-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-character-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,13 +12,11 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.positions(editor, { at: [], unit: 'character', reverse: true })
   )
 }
-
 export const output = [
   { path: [1, 2], offset: 3 },
   { path: [1, 2], offset: 2 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-character.js b/packages/slate/test/interfaces/Editor/positions/all/unit-character.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-character.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-character.tsx
index 24e924ca0..6836c86a2 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-character.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-character.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [], unit: 'character' }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-line-reverse.js b/packages/slate/test/interfaces/Editor/positions/all/unit-line-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-line-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-line-reverse.tsx
index b0b1092db..e8f8a7dc4 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-line-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-line-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,13 +8,11 @@ export const input = (
     <block>four five six</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.positions(editor, { at: [], unit: 'line', reverse: true })
   )
 }
-
 export const output = [
   { path: [1, 0], offset: 13 },
   { path: [1, 0], offset: 0 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-line.js b/packages/slate/test/interfaces/Editor/positions/all/unit-line.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-line.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-line.tsx
index e4dfa7899..44d1a2b19 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-line.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-line.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>four five six</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [], unit: 'line' }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 13 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-word-reverse.js b/packages/slate/test/interfaces/Editor/positions/all/unit-word-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-word-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-word-reverse.tsx
index 42ebb6895..66fc81051 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-word-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-word-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,13 +8,11 @@ export const input = (
     <block>four five six</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.positions(editor, { at: [], unit: 'word', reverse: true })
   )
 }
-
 export const output = [
   { path: [1, 0], offset: 13 },
   { path: [1, 0], offset: 10 },
diff --git a/packages/slate/test/interfaces/Editor/positions/all/unit-word.js b/packages/slate/test/interfaces/Editor/positions/all/unit-word.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/all/unit-word.js
rename to packages/slate/test/interfaces/Editor/positions/all/unit-word.tsx
index 28fdabf66..b41e9e774 100644
--- a/packages/slate/test/interfaces/Editor/positions/all/unit-word.js
+++ b/packages/slate/test/interfaces/Editor/positions/all/unit-word.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>four five six</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [], unit: 'word' }))
 }
-
 export const output = [
   { path: [0, 0], offset: 0 },
   { path: [0, 0], offset: 3 },
diff --git a/packages/slate/test/interfaces/Editor/positions/path/block-nested.js b/packages/slate/test/interfaces/Editor/positions/path/block-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/path/block-nested.js
rename to packages/slate/test/interfaces/Editor/positions/path/block-nested.tsx
index 28a725423..b726e8883 100644
--- a/packages/slate/test/interfaces/Editor/positions/path/block-nested.js
+++ b/packages/slate/test/interfaces/Editor/positions/path/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -11,11 +10,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [0] }))
 }
-
 export const output = [
   { path: [0, 0, 0], offset: 0 },
   { path: [0, 0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/path/block-reverse.js b/packages/slate/test/interfaces/Editor/positions/path/block-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/path/block-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/path/block-reverse.tsx
index 2025dab74..3f90ad686 100644
--- a/packages/slate/test/interfaces/Editor/positions/path/block-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/path/block-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { reverse: true, at: [0, 0] }))
 }
-
 export const output = [
   { path: [0, 0], offset: 3 },
   { path: [0, 0], offset: 2 },
diff --git a/packages/slate/test/interfaces/Editor/positions/path/block.js b/packages/slate/test/interfaces/Editor/positions/path/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/path/block.js
rename to packages/slate/test/interfaces/Editor/positions/path/block.tsx
index c5434c571..a69674748 100644
--- a/packages/slate/test/interfaces/Editor/positions/path/block.js
+++ b/packages/slate/test/interfaces/Editor/positions/path/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [1, 0] }))
 }
-
 export const output = [
   { path: [1, 0], offset: 0 },
   { path: [1, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/path/inline-nested.js b/packages/slate/test/interfaces/Editor/positions/path/inline-nested.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/path/inline-nested.js
rename to packages/slate/test/interfaces/Editor/positions/path/inline-nested.tsx
index 1b3c9889a..a03729d61 100644
--- a/packages/slate/test/interfaces/Editor/positions/path/inline-nested.js
+++ b/packages/slate/test/interfaces/Editor/positions/path/inline-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [0, 1] }))
 }
-
 export const output = [
   { path: [0, 1, 0], offset: 0 },
   { path: [0, 1, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/path/inline-reverse.js b/packages/slate/test/interfaces/Editor/positions/path/inline-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/path/inline-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/path/inline-reverse.tsx
index 4f9137641..d9fa83496 100644
--- a/packages/slate/test/interfaces/Editor/positions/path/inline-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/path/inline-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { reverse: true, at: [0, 1] }))
 }
-
 export const output = [
   { path: [0, 1, 0], offset: 3 },
   { path: [0, 1, 0], offset: 2 },
diff --git a/packages/slate/test/interfaces/Editor/positions/path/inline.js b/packages/slate/test/interfaces/Editor/positions/path/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/path/inline.js
rename to packages/slate/test/interfaces/Editor/positions/path/inline.tsx
index f21621744..e1e61094d 100644
--- a/packages/slate/test/interfaces/Editor/positions/path/inline.js
+++ b/packages/slate/test/interfaces/Editor/positions/path/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(Editor.positions(editor, { at: [0, 1] }))
 }
-
 export const output = [
   { path: [0, 1, 0], offset: 0 },
   { path: [0, 1, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/range/block-reverse.js b/packages/slate/test/interfaces/Editor/positions/range/block-reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/range/block-reverse.js
rename to packages/slate/test/interfaces/Editor/positions/range/block-reverse.tsx
index 2efaa7680..71a4b385a 100644
--- a/packages/slate/test/interfaces/Editor/positions/range/block-reverse.js
+++ b/packages/slate/test/interfaces/Editor/positions/range/block-reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,7 +9,6 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.positions(editor, {
@@ -22,7 +20,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   { path: [2, 0], offset: 2 },
   { path: [2, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/positions/range/block.js b/packages/slate/test/interfaces/Editor/positions/range/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/range/block.js
rename to packages/slate/test/interfaces/Editor/positions/range/block.tsx
index 2011e17ec..71a827123 100644
--- a/packages/slate/test/interfaces/Editor/positions/range/block.js
+++ b/packages/slate/test/interfaces/Editor/positions/range/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,7 +9,6 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.positions(editor, {
@@ -21,7 +19,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   { path: [0, 0], offset: 1 },
   { path: [0, 0], offset: 2 },
diff --git a/packages/slate/test/interfaces/Editor/positions/range/inline.js b/packages/slate/test/interfaces/Editor/positions/range/inline.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/positions/range/inline.js
rename to packages/slate/test/interfaces/Editor/positions/range/inline.tsx
index b98924533..ce70bfa14 100644
--- a/packages/slate/test/interfaces/Editor/positions/range/inline.js
+++ b/packages/slate/test/interfaces/Editor/positions/range/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../../..'
 
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Array.from(
     Editor.positions(editor, {
@@ -21,7 +19,6 @@ export const test = editor => {
     })
   )
 }
-
 export const output = [
   { path: [0, 0], offset: 2 },
   { path: [0, 0], offset: 3 },
diff --git a/packages/slate/test/interfaces/Editor/previous/block.js b/packages/slate/test/interfaces/Editor/previous/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/previous/block.js
rename to packages/slate/test/interfaces/Editor/previous/block.tsx
index b120a0818..bf7f651a2 100644
--- a/packages/slate/test/interfaces/Editor/previous/block.js
+++ b/packages/slate/test/interfaces/Editor/previous/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,12 +8,10 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.previous(editor, {
     at: [1],
     match: n => Editor.isBlock(editor, n),
   })
 }
-
 export const output = [<block>one</block>, [0]]
diff --git a/packages/slate/test/interfaces/Editor/previous/default.js b/packages/slate/test/interfaces/Editor/previous/default.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/previous/default.js
rename to packages/slate/test/interfaces/Editor/previous/default.tsx
index f4c965188..5abef8aae 100644
--- a/packages/slate/test/interfaces/Editor/previous/default.js
+++ b/packages/slate/test/interfaces/Editor/previous/default.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,9 +8,7 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.previous(editor, { at: [1] })
 }
-
 export const output = [<block>one</block>, [0]]
diff --git a/packages/slate/test/interfaces/Editor/previous/text.js b/packages/slate/test/interfaces/Editor/previous/text.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/previous/text.js
rename to packages/slate/test/interfaces/Editor/previous/text.tsx
index b392903ca..7ca17f760 100644
--- a/packages/slate/test/interfaces/Editor/previous/text.js
+++ b/packages/slate/test/interfaces/Editor/previous/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Text } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,9 +8,7 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.previous(editor, { at: [1], match: Text.isText })
 }
-
 export const output = [<text>one</text>, [0, 0]]
diff --git a/packages/slate/test/interfaces/Editor/range/path.js b/packages/slate/test/interfaces/Editor/range/path.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/range/path.js
rename to packages/slate/test/interfaces/Editor/range/path.tsx
index cb2c27d29..c50bb4c59 100644
--- a/packages/slate/test/interfaces/Editor/range/path.js
+++ b/packages/slate/test/interfaces/Editor/range/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.range(editor, [0])
 }
-
 export const output = {
   anchor: { path: [0, 0], offset: 0 },
   focus: { path: [0, 0], offset: 3 },
diff --git a/packages/slate/test/interfaces/Editor/range/point.js b/packages/slate/test/interfaces/Editor/range/point.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/range/point.js
rename to packages/slate/test/interfaces/Editor/range/point.tsx
index f2d630b3e..a061a8056 100644
--- a/packages/slate/test/interfaces/Editor/range/point.js
+++ b/packages/slate/test/interfaces/Editor/range/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.range(editor, { path: [0, 0], offset: 1 })
 }
-
 export const output = {
   anchor: { path: [0, 0], offset: 1 },
   focus: { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/range/range-backward.js b/packages/slate/test/interfaces/Editor/range/range-backward.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/range/range-backward.js
rename to packages/slate/test/interfaces/Editor/range/range-backward.tsx
index 3686b8ef4..ee345e6af 100644
--- a/packages/slate/test/interfaces/Editor/range/range-backward.js
+++ b/packages/slate/test/interfaces/Editor/range/range-backward.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,14 +7,12 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.range(editor, {
     anchor: { path: [0, 0], offset: 2 },
     focus: { path: [0, 0], offset: 1 },
   })
 }
-
 export const output = {
   anchor: { path: [0, 0], offset: 2 },
   focus: { path: [0, 0], offset: 1 },
diff --git a/packages/slate/test/interfaces/Editor/range/range.js b/packages/slate/test/interfaces/Editor/range/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/range/range.js
rename to packages/slate/test/interfaces/Editor/range/range.tsx
index 690ab816d..547c48b94 100644
--- a/packages/slate/test/interfaces/Editor/range/range.js
+++ b/packages/slate/test/interfaces/Editor/range/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,14 +7,12 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.range(editor, {
     anchor: { path: [0, 0], offset: 1 },
     focus: { path: [0, 0], offset: 2 },
   })
 }
-
 export const output = {
   anchor: { path: [0, 0], offset: 1 },
   focus: { path: [0, 0], offset: 2 },
diff --git a/packages/slate/test/interfaces/Editor/start/path.js b/packages/slate/test/interfaces/Editor/start/path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/start/path.js
rename to packages/slate/test/interfaces/Editor/start/path.tsx
index f71cadb8e..d2787aa0f 100644
--- a/packages/slate/test/interfaces/Editor/start/path.js
+++ b/packages/slate/test/interfaces/Editor/start/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.start(editor, [0])
 }
-
 export const output = { path: [0, 0], offset: 0 }
diff --git a/packages/slate/test/interfaces/Editor/start/point.js b/packages/slate/test/interfaces/Editor/start/point.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/start/point.js
rename to packages/slate/test/interfaces/Editor/start/point.tsx
index 374c40fba..fab5561eb 100644
--- a/packages/slate/test/interfaces/Editor/start/point.js
+++ b/packages/slate/test/interfaces/Editor/start/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,9 +7,7 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.start(editor, { path: [0, 0], offset: 1 })
 }
-
 export const output = { path: [0, 0], offset: 1 }
diff --git a/packages/slate/test/interfaces/Editor/start/range.js b/packages/slate/test/interfaces/Editor/start/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/start/range.js
rename to packages/slate/test/interfaces/Editor/start/range.tsx
index 18587963e..8d6e9a542 100644
--- a/packages/slate/test/interfaces/Editor/start/range.js
+++ b/packages/slate/test/interfaces/Editor/start/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,12 +7,10 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.start(editor, {
     anchor: { path: [0, 0], offset: 1 },
     focus: { path: [0, 0], offset: 3 },
   })
 }
-
 export const output = { path: [0, 0], offset: 1 }
diff --git a/packages/slate/test/interfaces/Editor/string/block-across.js b/packages/slate/test/interfaces/Editor/string/block-across.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/string/block-across.js
rename to packages/slate/test/interfaces/Editor/string/block-across.tsx
index 740ea32ec..0acb5b43c 100644
--- a/packages/slate/test/interfaces/Editor/string/block-across.js
+++ b/packages/slate/test/interfaces/Editor/string/block-across.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -15,9 +14,7 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.string(editor, [])
 }
-
 export const output = `onetwothreefour`
diff --git a/packages/slate/test/interfaces/Editor/string/block-void.js b/packages/slate/test/interfaces/Editor/string/block-void.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/string/block-void.js
rename to packages/slate/test/interfaces/Editor/string/block-void.tsx
index 98ec482bd..7dc818fe4 100644
--- a/packages/slate/test/interfaces/Editor/string/block-void.js
+++ b/packages/slate/test/interfaces/Editor/string/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,9 +10,7 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.string(editor, [0])
 }
-
 export const output = ``
diff --git a/packages/slate/test/interfaces/Editor/string/block.js b/packages/slate/test/interfaces/Editor/string/block.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/string/block.js
rename to packages/slate/test/interfaces/Editor/string/block.tsx
index b59ddaf34..b4db58f1a 100644
--- a/packages/slate/test/interfaces/Editor/string/block.js
+++ b/packages/slate/test/interfaces/Editor/string/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -15,9 +14,7 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.string(editor, [0])
 }
-
 export const output = `onetwo`
diff --git a/packages/slate/test/interfaces/Editor/string/inline.js b/packages/slate/test/interfaces/Editor/string/inline.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Editor/string/inline.js
rename to packages/slate/test/interfaces/Editor/string/inline.tsx
index 7420bbae4..587602478 100644
--- a/packages/slate/test/interfaces/Editor/string/inline.js
+++ b/packages/slate/test/interfaces/Editor/string/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,9 +9,7 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.string(editor, [0, 1])
 }
-
 export const output = `two`
diff --git a/packages/slate/test/interfaces/Editor/string/text.js b/packages/slate/test/interfaces/Editor/string/text.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Editor/string/text.js
rename to packages/slate/test/interfaces/Editor/string/text.tsx
index b3341f1a1..747b207ad 100644
--- a/packages/slate/test/interfaces/Editor/string/text.js
+++ b/packages/slate/test/interfaces/Editor/string/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Editor } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,9 +10,7 @@ export const input = (
     </block>
   </editor>
 )
-
 export const test = editor => {
   return Editor.string(editor, [0, 0])
 }
-
 export const output = `one`
diff --git a/packages/slate/test/interfaces/Element/isElement/boolean.js b/packages/slate/test/interfaces/Element/isElement/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElement/boolean.js
rename to packages/slate/test/interfaces/Element/isElement/boolean.tsx
index 4fcf64983..822c40a9b 100644
--- a/packages/slate/test/interfaces/Element/isElement/boolean.js
+++ b/packages/slate/test/interfaces/Element/isElement/boolean.tsx
@@ -1,9 +1,7 @@
 import { Element } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Element.isElement(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/isElement/custom-property.js b/packages/slate/test/interfaces/Element/isElement/custom-property.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElement/custom-property.js
rename to packages/slate/test/interfaces/Element/isElement/custom-property.tsx
index 5ef5b60d4..ceba91e23 100644
--- a/packages/slate/test/interfaces/Element/isElement/custom-property.js
+++ b/packages/slate/test/interfaces/Element/isElement/custom-property.tsx
@@ -4,9 +4,7 @@ export const input = {
   children: [],
   custom: 'value',
 }
-
 export const test = value => {
   return Element.isElement(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Element/isElement/editor.js b/packages/slate/test/interfaces/Element/isElement/editor.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Element/isElement/editor.js
rename to packages/slate/test/interfaces/Element/isElement/editor.tsx
index af996c92e..190477d47 100644
--- a/packages/slate/test/interfaces/Element/isElement/editor.js
+++ b/packages/slate/test/interfaces/Element/isElement/editor.tsx
@@ -20,9 +20,7 @@ export const input = {
   onChange() {},
   removeMark() {},
 }
-
 export const test = value => {
   return Element.isElement(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/isElement/element.js b/packages/slate/test/interfaces/Element/isElement/element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElement/element.js
rename to packages/slate/test/interfaces/Element/isElement/element.tsx
index 5503f4752..65cb9b1e0 100644
--- a/packages/slate/test/interfaces/Element/isElement/element.js
+++ b/packages/slate/test/interfaces/Element/isElement/element.tsx
@@ -3,9 +3,7 @@ import { Element } from 'slate'
 export const input = {
   children: [],
 }
-
 export const test = value => {
   return Element.isElement(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Element/isElement/nodes-full.js b/packages/slate/test/interfaces/Element/isElement/nodes-full.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Element/isElement/nodes-full.js
rename to packages/slate/test/interfaces/Element/isElement/nodes-full.tsx
index debad0579..0b09013f4 100644
--- a/packages/slate/test/interfaces/Element/isElement/nodes-full.js
+++ b/packages/slate/test/interfaces/Element/isElement/nodes-full.tsx
@@ -7,9 +7,7 @@ export const input = {
     },
   ],
 }
-
 export const test = value => {
   return Element.isElement(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Element/isElement/object.js b/packages/slate/test/interfaces/Element/isElement/object.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElement/object.js
rename to packages/slate/test/interfaces/Element/isElement/object.tsx
index 568db5ad9..8948129d6 100644
--- a/packages/slate/test/interfaces/Element/isElement/object.js
+++ b/packages/slate/test/interfaces/Element/isElement/object.tsx
@@ -1,9 +1,7 @@
 import { Element } from 'slate'
 
 export const input = {}
-
 export const test = value => {
   return Element.isElement(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/isElement/text.js b/packages/slate/test/interfaces/Element/isElement/text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElement/text.js
rename to packages/slate/test/interfaces/Element/isElement/text.tsx
index db753a2c6..d276e1264 100644
--- a/packages/slate/test/interfaces/Element/isElement/text.js
+++ b/packages/slate/test/interfaces/Element/isElement/text.tsx
@@ -3,9 +3,7 @@ import { Element } from 'slate'
 export const input = {
   text: '',
 }
-
 export const test = value => {
   return Element.isElement(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/isElementList/boolean.js b/packages/slate/test/interfaces/Element/isElementList/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElementList/boolean.js
rename to packages/slate/test/interfaces/Element/isElementList/boolean.tsx
index 0ed313170..8b535ffa6 100644
--- a/packages/slate/test/interfaces/Element/isElementList/boolean.js
+++ b/packages/slate/test/interfaces/Element/isElementList/boolean.tsx
@@ -1,9 +1,7 @@
 import { Element } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Element.isElementList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/isElementList/element.js b/packages/slate/test/interfaces/Element/isElementList/element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElementList/element.js
rename to packages/slate/test/interfaces/Element/isElementList/element.tsx
index e6ffd2fd0..06c3ffb11 100644
--- a/packages/slate/test/interfaces/Element/isElementList/element.js
+++ b/packages/slate/test/interfaces/Element/isElementList/element.tsx
@@ -3,9 +3,7 @@ import { Element } from 'slate'
 export const input = {
   children: [],
 }
-
 export const test = value => {
   return Element.isElementList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/isElementList/empty.js b/packages/slate/test/interfaces/Element/isElementList/empty.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElementList/empty.js
rename to packages/slate/test/interfaces/Element/isElementList/empty.tsx
index 5331e0704..eb9dc57c6 100644
--- a/packages/slate/test/interfaces/Element/isElementList/empty.js
+++ b/packages/slate/test/interfaces/Element/isElementList/empty.tsx
@@ -1,9 +1,7 @@
 import { Element } from 'slate'
 
 export const input = []
-
 export const test = value => {
   return Element.isElementList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Element/isElementList/full-editor.js b/packages/slate/test/interfaces/Element/isElementList/full-editor.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Element/isElementList/full-editor.js
rename to packages/slate/test/interfaces/Element/isElementList/full-editor.tsx
index fd0be93b0..1ecc89b3f 100644
--- a/packages/slate/test/interfaces/Element/isElementList/full-editor.js
+++ b/packages/slate/test/interfaces/Element/isElementList/full-editor.tsx
@@ -22,9 +22,7 @@ export const input = [
     removeMark() {},
   },
 ]
-
 export const test = value => {
   return Element.isElementList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/isElementList/full-element.js b/packages/slate/test/interfaces/Element/isElementList/full-element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElementList/full-element.js
rename to packages/slate/test/interfaces/Element/isElementList/full-element.tsx
index f967f5387..2b8a4db7c 100644
--- a/packages/slate/test/interfaces/Element/isElementList/full-element.js
+++ b/packages/slate/test/interfaces/Element/isElementList/full-element.tsx
@@ -5,9 +5,7 @@ export const input = [
     children: [],
   },
 ]
-
 export const test = value => {
   return Element.isElementList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Element/isElementList/full-text.js b/packages/slate/test/interfaces/Element/isElementList/full-text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Element/isElementList/full-text.js
rename to packages/slate/test/interfaces/Element/isElementList/full-text.tsx
index 5cad89460..f1ce48069 100644
--- a/packages/slate/test/interfaces/Element/isElementList/full-text.js
+++ b/packages/slate/test/interfaces/Element/isElementList/full-text.tsx
@@ -5,9 +5,7 @@ export const input = [
     text: '',
   },
 ]
-
 export const test = value => {
   return Element.isElementList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/matches/custom-prop-match.js b/packages/slate/test/interfaces/Element/matches/custom-prop-match.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Element/matches/custom-prop-match.js
rename to packages/slate/test/interfaces/Element/matches/custom-prop-match.tsx
index cc7df3d91..83aa66c7d 100644
--- a/packages/slate/test/interfaces/Element/matches/custom-prop-match.js
+++ b/packages/slate/test/interfaces/Element/matches/custom-prop-match.tsx
@@ -4,9 +4,7 @@ export const input = {
   element: { children: [], type: 'bold' },
   props: { type: 'bold' },
 }
-
 export const test = ({ element, props }) => {
   return Element.matches(element, props)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Element/matches/custom-prop-not-match.js b/packages/slate/test/interfaces/Element/matches/custom-prop-not-match.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Element/matches/custom-prop-not-match.js
rename to packages/slate/test/interfaces/Element/matches/custom-prop-not-match.tsx
index 3f8d5fdf0..a00879e6e 100644
--- a/packages/slate/test/interfaces/Element/matches/custom-prop-not-match.js
+++ b/packages/slate/test/interfaces/Element/matches/custom-prop-not-match.tsx
@@ -4,9 +4,7 @@ export const input = {
   element: { children: [], type: 'bold' },
   props: { type: 'italic' },
 }
-
 export const test = ({ element, props }) => {
   return Element.matches(element, props)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Element/matches/empty-match.js b/packages/slate/test/interfaces/Element/matches/empty-match.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Element/matches/empty-match.js
rename to packages/slate/test/interfaces/Element/matches/empty-match.tsx
index 5de7f42e9..670f4ef45 100644
--- a/packages/slate/test/interfaces/Element/matches/empty-match.js
+++ b/packages/slate/test/interfaces/Element/matches/empty-match.tsx
@@ -4,9 +4,7 @@ export const input = {
   element: { children: [] },
   props: {},
 }
-
 export const test = ({ element, props }) => {
   return Element.matches(element, props)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/ancestor/success.js b/packages/slate/test/interfaces/Node/ancestor/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/ancestor/success.js
rename to packages/slate/test/interfaces/Node/ancestor/success.tsx
index 0dddfce82..c23554994 100644
--- a/packages/slate/test/interfaces/Node/ancestor/success.js
+++ b/packages/slate/test/interfaces/Node/ancestor/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,9 +9,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.ancestor(value, [0])
 }
-
 export const output = input.children[0]
diff --git a/packages/slate/test/interfaces/Node/ancestors/reverse.js b/packages/slate/test/interfaces/Node/ancestors/reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/ancestors/reverse.js
rename to packages/slate/test/interfaces/Node/ancestors/reverse.tsx
index 5acd6ccef..cb047be0a 100644
--- a/packages/slate/test/interfaces/Node/ancestors/reverse.js
+++ b/packages/slate/test/interfaces/Node/ancestors/reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.ancestors(value, [0, 0], { reverse: true }))
 }
-
 export const output = [
   [input.children[0], [0]],
   [input, []],
diff --git a/packages/slate/test/interfaces/Node/ancestors/success.js b/packages/slate/test/interfaces/Node/ancestors/success.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/ancestors/success.js
rename to packages/slate/test/interfaces/Node/ancestors/success.tsx
index 739aa34dd..cca39b3fc 100644
--- a/packages/slate/test/interfaces/Node/ancestors/success.js
+++ b/packages/slate/test/interfaces/Node/ancestors/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.ancestors(value, [0, 0]))
 }
-
 export const output = [
   [input, []],
   [input.children[0], [0]],
diff --git a/packages/slate/test/interfaces/Node/child/success.js b/packages/slate/test/interfaces/Node/child/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/child/success.js
rename to packages/slate/test/interfaces/Node/child/success.tsx
index 651e4c7bd..4d57299af 100644
--- a/packages/slate/test/interfaces/Node/child/success.js
+++ b/packages/slate/test/interfaces/Node/child/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,9 +9,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.child(value, 0)
 }
-
 export const output = input.children[0]
diff --git a/packages/slate/test/interfaces/Node/children/all.js b/packages/slate/test/interfaces/Node/children/all.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/children/all.js
rename to packages/slate/test/interfaces/Node/children/all.tsx
index 3ced55763..30d273ed8 100644
--- a/packages/slate/test/interfaces/Node/children/all.js
+++ b/packages/slate/test/interfaces/Node/children/all.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.children(value, [0]))
 }
-
 export const output = [
   [<text key="a" />, [0, 0]],
   [<text key="b" />, [0, 1]],
diff --git a/packages/slate/test/interfaces/Node/children/reverse.js b/packages/slate/test/interfaces/Node/children/reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/children/reverse.js
rename to packages/slate/test/interfaces/Node/children/reverse.tsx
index 6c2141fd6..b32766cf6 100644
--- a/packages/slate/test/interfaces/Node/children/reverse.js
+++ b/packages/slate/test/interfaces/Node/children/reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.children(value, [0], { reverse: true }))
 }
-
 export const output = [
   [<text key="b" />, [0, 1]],
   [<text key="a" />, [0, 0]],
diff --git a/packages/slate/test/interfaces/Node/descendant/success.js b/packages/slate/test/interfaces/Node/descendant/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/descendant/success.js
rename to packages/slate/test/interfaces/Node/descendant/success.tsx
index c23f9e628..ce52dc758 100644
--- a/packages/slate/test/interfaces/Node/descendant/success.js
+++ b/packages/slate/test/interfaces/Node/descendant/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,9 +9,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.descendant(value, [0])
 }
-
 export const output = input.children[0]
diff --git a/packages/slate/test/interfaces/Node/descendants/all.js b/packages/slate/test/interfaces/Node/descendants/all.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/descendants/all.js
rename to packages/slate/test/interfaces/Node/descendants/all.tsx
index 1f7865651..bd28c5977 100644
--- a/packages/slate/test/interfaces/Node/descendants/all.js
+++ b/packages/slate/test/interfaces/Node/descendants/all.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.descendants(value))
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/descendants/from.js b/packages/slate/test/interfaces/Node/descendants/from.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/descendants/from.js
rename to packages/slate/test/interfaces/Node/descendants/from.tsx
index d6c64ad9a..0e6fcb8ad 100644
--- a/packages/slate/test/interfaces/Node/descendants/from.js
+++ b/packages/slate/test/interfaces/Node/descendants/from.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.descendants(value, { from: [0, 1] }))
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/descendants/reverse.js b/packages/slate/test/interfaces/Node/descendants/reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/descendants/reverse.js
rename to packages/slate/test/interfaces/Node/descendants/reverse.tsx
index 95ef9a738..e7226a04e 100644
--- a/packages/slate/test/interfaces/Node/descendants/reverse.js
+++ b/packages/slate/test/interfaces/Node/descendants/reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.descendants(value, { reverse: true }))
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/descendants/to.js b/packages/slate/test/interfaces/Node/descendants/to.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/descendants/to.js
rename to packages/slate/test/interfaces/Node/descendants/to.tsx
index 6554149d6..1560b82be 100644
--- a/packages/slate/test/interfaces/Node/descendants/to.js
+++ b/packages/slate/test/interfaces/Node/descendants/to.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -13,7 +12,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(
     Node.descendants(value, {
@@ -22,7 +20,6 @@ export const test = value => {
     })
   )
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/elements/all.js b/packages/slate/test/interfaces/Node/elements/all.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/elements/all.js
rename to packages/slate/test/interfaces/Node/elements/all.tsx
index ea8abfad5..3a600a056 100644
--- a/packages/slate/test/interfaces/Node/elements/all.js
+++ b/packages/slate/test/interfaces/Node/elements/all.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.elements(value))
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/elements/path.js b/packages/slate/test/interfaces/Node/elements/path.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/elements/path.js
rename to packages/slate/test/interfaces/Node/elements/path.tsx
index 1507762a2..213ee9f9d 100644
--- a/packages/slate/test/interfaces/Node/elements/path.js
+++ b/packages/slate/test/interfaces/Node/elements/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.elements(value, { path: [0, 1] }))
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/elements/range.js b/packages/slate/test/interfaces/Node/elements/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/elements/range.js
rename to packages/slate/test/interfaces/Node/elements/range.tsx
index b35c054fe..ca2173f50 100644
--- a/packages/slate/test/interfaces/Node/elements/range.js
+++ b/packages/slate/test/interfaces/Node/elements/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -13,7 +12,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(
     Node.elements(value, {
@@ -30,7 +28,6 @@ export const test = value => {
     })
   )
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/elements/reverse.js b/packages/slate/test/interfaces/Node/elements/reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/elements/reverse.js
rename to packages/slate/test/interfaces/Node/elements/reverse.tsx
index fef51a096..b0b66ac37 100644
--- a/packages/slate/test/interfaces/Node/elements/reverse.js
+++ b/packages/slate/test/interfaces/Node/elements/reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.elements(value, { reverse: true }))
 }
-
 export const output = [
   [
     <element>
diff --git a/packages/slate/test/interfaces/Node/first/success.js b/packages/slate/test/interfaces/Node/first/success.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/first/success.js
rename to packages/slate/test/interfaces/Node/first/success.tsx
index e7644f791..118bce1be 100644
--- a/packages/slate/test/interfaces/Node/first/success.js
+++ b/packages/slate/test/interfaces/Node/first/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,9 +10,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.first(value, [0])
 }
-
 export const output = [<text key="a" />, [0, 0]]
diff --git a/packages/slate/test/interfaces/Node/get/root.js b/packages/slate/test/interfaces/Node/get/root.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/get/root.js
rename to packages/slate/test/interfaces/Node/get/root.tsx
index 8f009d047..712d7a074 100644
--- a/packages/slate/test/interfaces/Node/get/root.js
+++ b/packages/slate/test/interfaces/Node/get/root.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,9 +9,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.get(value, [])
 }
-
 export const output = input
diff --git a/packages/slate/test/interfaces/Node/get/success.js b/packages/slate/test/interfaces/Node/get/success.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/get/success.js
rename to packages/slate/test/interfaces/Node/get/success.tsx
index 867c3dfa7..35d44255d 100644
--- a/packages/slate/test/interfaces/Node/get/success.js
+++ b/packages/slate/test/interfaces/Node/get/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.get(value, [0])
 }
-
 export const output = (
   <element>
     <text />
diff --git a/packages/slate/test/interfaces/Node/has/exists.js b/packages/slate/test/interfaces/Node/has/exists.js
deleted file mode 100644
index 953ad173f..000000000
--- a/packages/slate/test/interfaces/Node/has/exists.js
+++ /dev/null
@@ -1,18 +0,0 @@
-/** @jsx jsx  */
-
-import { Node } from 'slate'
-import { jsx } from 'slate-hyperscript'
-
-export const input = (
-  <editor>
-    <element>
-      <text />
-    </element>
-  </editor>
-)
-
-export const test = value => {
-  return Node.has(value, [0])
-}
-
-export const output = true
diff --git a/packages/slate/test/interfaces/Node/has/not-exists.js b/packages/slate/test/interfaces/Node/has/not-exists.js
deleted file mode 100644
index ca5e4317f..000000000
--- a/packages/slate/test/interfaces/Node/has/not-exists.js
+++ /dev/null
@@ -1,18 +0,0 @@
-/** @jsx jsx  */
-
-import { Node } from 'slate'
-import { jsx } from 'slate-hyperscript'
-
-export const input = (
-  <editor>
-    <element>
-      <text />
-    </element>
-  </editor>
-)
-
-export const test = value => {
-  return Node.has(value, [1])
-}
-
-export const output = false
diff --git a/packages/slate/test/interfaces/Node/isNode/boolean.js b/packages/slate/test/interfaces/Node/isNode/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNode/boolean.js
rename to packages/slate/test/interfaces/Node/isNode/boolean.tsx
index fe85f90fb..6abce7431 100644
--- a/packages/slate/test/interfaces/Node/isNode/boolean.js
+++ b/packages/slate/test/interfaces/Node/isNode/boolean.tsx
@@ -1,9 +1,7 @@
 import { Node } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Node.isNode(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Node/isNode/custom-property.js b/packages/slate/test/interfaces/Node/isNode/custom-property.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNode/custom-property.js
rename to packages/slate/test/interfaces/Node/isNode/custom-property.tsx
index 7498bbb6d..0f05d3e14 100644
--- a/packages/slate/test/interfaces/Node/isNode/custom-property.js
+++ b/packages/slate/test/interfaces/Node/isNode/custom-property.tsx
@@ -4,9 +4,7 @@ export const input = {
   children: [],
   custom: true,
 }
-
 export const test = value => {
   return Node.isNode(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/isNode/element.js b/packages/slate/test/interfaces/Node/isNode/element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNode/element.js
rename to packages/slate/test/interfaces/Node/isNode/element.tsx
index 747bd7a2c..a0817d319 100644
--- a/packages/slate/test/interfaces/Node/isNode/element.js
+++ b/packages/slate/test/interfaces/Node/isNode/element.tsx
@@ -3,9 +3,7 @@ import { Node } from 'slate'
 export const input = {
   children: [],
 }
-
 export const test = value => {
   return Node.isNode(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/isNode/object.js b/packages/slate/test/interfaces/Node/isNode/object.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNode/object.js
rename to packages/slate/test/interfaces/Node/isNode/object.tsx
index 585bcf378..22e78ebc5 100644
--- a/packages/slate/test/interfaces/Node/isNode/object.js
+++ b/packages/slate/test/interfaces/Node/isNode/object.tsx
@@ -1,9 +1,7 @@
 import { Node } from 'slate'
 
 export const input = {}
-
 export const test = value => {
   return Node.isNode(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Node/isNode/text.js b/packages/slate/test/interfaces/Node/isNode/text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNode/text.js
rename to packages/slate/test/interfaces/Node/isNode/text.tsx
index 55f1a9a89..23048a443 100644
--- a/packages/slate/test/interfaces/Node/isNode/text.js
+++ b/packages/slate/test/interfaces/Node/isNode/text.tsx
@@ -3,9 +3,7 @@ import { Node } from 'slate'
 export const input = {
   text: '',
 }
-
 export const test = value => {
   return Node.isNode(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/isNode/value.js b/packages/slate/test/interfaces/Node/isNode/value.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNode/value.js
rename to packages/slate/test/interfaces/Node/isNode/value.tsx
index 6a7a4dbc9..94d8deb17 100644
--- a/packages/slate/test/interfaces/Node/isNode/value.js
+++ b/packages/slate/test/interfaces/Node/isNode/value.tsx
@@ -4,9 +4,7 @@ export const input = {
   children: [],
   selection: null,
 }
-
 export const test = value => {
   return Node.isNode(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/isNodeList/boolean.js b/packages/slate/test/interfaces/Node/isNodeList/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNodeList/boolean.js
rename to packages/slate/test/interfaces/Node/isNodeList/boolean.tsx
index 842907bfa..893ff6b5a 100644
--- a/packages/slate/test/interfaces/Node/isNodeList/boolean.js
+++ b/packages/slate/test/interfaces/Node/isNodeList/boolean.tsx
@@ -1,9 +1,7 @@
 import { Node } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Node.isNodeList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Node/isNodeList/element.js b/packages/slate/test/interfaces/Node/isNodeList/element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNodeList/element.js
rename to packages/slate/test/interfaces/Node/isNodeList/element.tsx
index 100286ed4..675595472 100644
--- a/packages/slate/test/interfaces/Node/isNodeList/element.js
+++ b/packages/slate/test/interfaces/Node/isNodeList/element.tsx
@@ -3,9 +3,7 @@ import { Node } from 'slate'
 export const input = {
   children: [],
 }
-
 export const test = value => {
   return Node.isNodeList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Node/isNodeList/empty.js b/packages/slate/test/interfaces/Node/isNodeList/empty.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNodeList/empty.js
rename to packages/slate/test/interfaces/Node/isNodeList/empty.tsx
index 2cf651108..39c115f68 100644
--- a/packages/slate/test/interfaces/Node/isNodeList/empty.js
+++ b/packages/slate/test/interfaces/Node/isNodeList/empty.tsx
@@ -1,9 +1,7 @@
 import { Node } from 'slate'
 
 export const input = []
-
 export const test = value => {
   return Node.isNodeList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/isNodeList/full-element.js b/packages/slate/test/interfaces/Node/isNodeList/full-element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNodeList/full-element.js
rename to packages/slate/test/interfaces/Node/isNodeList/full-element.tsx
index 9eaf0ae41..85bc12c79 100644
--- a/packages/slate/test/interfaces/Node/isNodeList/full-element.js
+++ b/packages/slate/test/interfaces/Node/isNodeList/full-element.tsx
@@ -5,9 +5,7 @@ export const input = [
     children: [],
   },
 ]
-
 export const test = value => {
   return Node.isNodeList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/isNodeList/full-text.js b/packages/slate/test/interfaces/Node/isNodeList/full-text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNodeList/full-text.js
rename to packages/slate/test/interfaces/Node/isNodeList/full-text.tsx
index 0d0131e53..513c9e259 100644
--- a/packages/slate/test/interfaces/Node/isNodeList/full-text.js
+++ b/packages/slate/test/interfaces/Node/isNodeList/full-text.tsx
@@ -5,9 +5,7 @@ export const input = [
     text: '',
   },
 ]
-
 export const test = value => {
   return Node.isNodeList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/isNodeList/full-value.js b/packages/slate/test/interfaces/Node/isNodeList/full-value.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/isNodeList/full-value.js
rename to packages/slate/test/interfaces/Node/isNodeList/full-value.tsx
index 2b8b61c5b..b55577df4 100644
--- a/packages/slate/test/interfaces/Node/isNodeList/full-value.js
+++ b/packages/slate/test/interfaces/Node/isNodeList/full-value.tsx
@@ -6,9 +6,7 @@ export const input = [
     selection: null,
   },
 ]
-
 export const test = value => {
   return Node.isNodeList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Node/last/success.js b/packages/slate/test/interfaces/Node/last/success.js
deleted file mode 100644
index 2f8c392cf..000000000
--- a/packages/slate/test/interfaces/Node/last/success.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/** @jsx jsx  */
-
-import { Node } from 'slate'
-import { jsx } from 'slate-hyperscript'
-
-export const input = (
-  <editor>
-    <element>
-      <text key="a" />
-      <text key="b" />
-    </element>
-  </editor>
-)
-
-export const test = value => {
-  return Node.last(value, [0])
-}
-
-export const output = [<text key="b" />, [0, 1]]
diff --git a/packages/slate/test/interfaces/Node/leaf/success.js b/packages/slate/test/interfaces/Node/leaf/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/leaf/success.js
rename to packages/slate/test/interfaces/Node/leaf/success.tsx
index 391fd0d39..60bfbd05a 100644
--- a/packages/slate/test/interfaces/Node/leaf/success.js
+++ b/packages/slate/test/interfaces/Node/leaf/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,9 +9,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.leaf(value, [0, 0])
 }
-
 export const output = <text />
diff --git a/packages/slate/test/interfaces/Node/levels/reverse.js b/packages/slate/test/interfaces/Node/levels/reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/levels/reverse.js
rename to packages/slate/test/interfaces/Node/levels/reverse.tsx
index 5e3fa452a..1048f47c1 100644
--- a/packages/slate/test/interfaces/Node/levels/reverse.js
+++ b/packages/slate/test/interfaces/Node/levels/reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.levels(value, [0, 0], { reverse: true }))
 }
-
 export const output = [
   [input.children[0].children[0], [0, 0]],
   [input.children[0], [0]],
diff --git a/packages/slate/test/interfaces/Node/levels/success.js b/packages/slate/test/interfaces/Node/levels/success.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/levels/success.js
rename to packages/slate/test/interfaces/Node/levels/success.tsx
index cf689e388..9218a500a 100644
--- a/packages/slate/test/interfaces/Node/levels/success.js
+++ b/packages/slate/test/interfaces/Node/levels/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.levels(value, [0, 0]))
 }
-
 export const output = [
   [input, []],
   [input.children[0], [0]],
diff --git a/packages/slate/test/interfaces/Node/nodes/all.js b/packages/slate/test/interfaces/Node/nodes/all.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/nodes/all.js
rename to packages/slate/test/interfaces/Node/nodes/all.tsx
index 2503c502d..0a5fa7d11 100644
--- a/packages/slate/test/interfaces/Node/nodes/all.js
+++ b/packages/slate/test/interfaces/Node/nodes/all.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.nodes(value))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Node/nodes/from.js b/packages/slate/test/interfaces/Node/nodes/from.js
deleted file mode 100644
index 5b8c569b3..000000000
--- a/packages/slate/test/interfaces/Node/nodes/from.js
+++ /dev/null
@@ -1,42 +0,0 @@
-/** @jsx jsx  */
-
-import { Node } from 'slate'
-import { jsx } from 'slate-hyperscript'
-
-export const input = (
-  <editor>
-    <element>
-      <text key="a" />
-      <text key="b" />
-    </element>
-    <element>
-      <text key="c" />
-      <text key="d" />
-    </element>
-  </editor>
-)
-
-export const test = value => {
-  return Array.from(Node.nodes(value, { from: [0, 1] }))
-}
-
-export const output = [
-  [input, []],
-  [
-    <element>
-      <text key="a" />
-      <text key="b" />
-    </element>,
-    [0],
-  ],
-  [<text key="b" />, [0, 1]],
-  [
-    <element>
-      <text key="c" />
-      <text key="d" />
-    </element>,
-    [1],
-  ],
-  [<text key="c" />, [1, 0]],
-  [<text key="d" />, [1, 1]],
-]
diff --git a/packages/slate/test/interfaces/Node/nodes/multiple-elements.js b/packages/slate/test/interfaces/Node/nodes/multiple-elements.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/nodes/multiple-elements.js
rename to packages/slate/test/interfaces/Node/nodes/multiple-elements.tsx
index d64234ded..6473be1e9 100644
--- a/packages/slate/test/interfaces/Node/nodes/multiple-elements.js
+++ b/packages/slate/test/interfaces/Node/nodes/multiple-elements.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -13,11 +12,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.nodes(value))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Node/nodes/nested-elements.js b/packages/slate/test/interfaces/Node/nodes/nested-elements.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/nodes/nested-elements.js
rename to packages/slate/test/interfaces/Node/nodes/nested-elements.tsx
index 518cdf6b6..fb9a271f1 100644
--- a/packages/slate/test/interfaces/Node/nodes/nested-elements.js
+++ b/packages/slate/test/interfaces/Node/nodes/nested-elements.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -12,11 +11,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.nodes(value))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Node/nodes/pass.js b/packages/slate/test/interfaces/Node/nodes/pass.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/nodes/pass.js
rename to packages/slate/test/interfaces/Node/nodes/pass.tsx
index 83b33d5f3..48bcea964 100644
--- a/packages/slate/test/interfaces/Node/nodes/pass.js
+++ b/packages/slate/test/interfaces/Node/nodes/pass.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -12,11 +11,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.nodes(value, { pass: ([n, p]) => p.length > 1 }))
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Node/nodes/reverse.js b/packages/slate/test/interfaces/Node/nodes/reverse.js
deleted file mode 100644
index f87970545..000000000
--- a/packages/slate/test/interfaces/Node/nodes/reverse.js
+++ /dev/null
@@ -1,43 +0,0 @@
-/** @jsx jsx  */
-
-import { Node } from 'slate'
-import { jsx } from 'slate-hyperscript'
-
-export const input = (
-  <editor>
-    <element>
-      <text key="a" />
-      <text key="b" />
-    </element>
-    <element>
-      <text key="c" />
-      <text key="d" />
-    </element>
-  </editor>
-)
-
-export const test = value => {
-  return Array.from(Node.nodes(value, { reverse: true }))
-}
-
-export const output = [
-  [input, []],
-  [
-    <element>
-      <text key="c" />
-      <text key="d" />
-    </element>,
-    [1],
-  ],
-  [<text key="d" />, [1, 1]],
-  [<text key="c" />, [1, 0]],
-  [
-    <element>
-      <text key="a" />
-      <text key="b" />
-    </element>,
-    [0],
-  ],
-  [<text key="b" />, [0, 1]],
-  [<text key="a" />, [0, 0]],
-]
diff --git a/packages/slate/test/interfaces/Node/nodes/to.js b/packages/slate/test/interfaces/Node/nodes/to.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/nodes/to.js
rename to packages/slate/test/interfaces/Node/nodes/to.tsx
index 89cfb70a3..5120bdcfd 100644
--- a/packages/slate/test/interfaces/Node/nodes/to.js
+++ b/packages/slate/test/interfaces/Node/nodes/to.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -13,7 +12,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(
     Node.nodes(value, {
@@ -22,7 +20,6 @@ export const test = value => {
     })
   )
 }
-
 export const output = [
   [input, []],
   [
diff --git a/packages/slate/test/interfaces/Node/parent/success.js b/packages/slate/test/interfaces/Node/parent/success.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/parent/success.js
rename to packages/slate/test/interfaces/Node/parent/success.tsx
index f81f6267c..f4f744b94 100644
--- a/packages/slate/test/interfaces/Node/parent/success.js
+++ b/packages/slate/test/interfaces/Node/parent/success.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -10,11 +9,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.parent(value, [0, 0])
 }
-
 export const output = (
   <element>
     <text />
diff --git a/packages/slate/test/interfaces/Node/string/across-elements.js b/packages/slate/test/interfaces/Node/string/across-elements.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/string/across-elements.js
rename to packages/slate/test/interfaces/Node/string/across-elements.tsx
index 30f63c361..197529153 100644
--- a/packages/slate/test/interfaces/Node/string/across-elements.js
+++ b/packages/slate/test/interfaces/Node/string/across-elements.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -15,9 +14,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Node.string(value)
 }
-
 export const output = `onetwothreefour`
diff --git a/packages/slate/test/interfaces/Node/string/element.js b/packages/slate/test/interfaces/Node/string/element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/string/element.js
rename to packages/slate/test/interfaces/Node/string/element.tsx
index 3fbf4c362..382726096 100644
--- a/packages/slate/test/interfaces/Node/string/element.js
+++ b/packages/slate/test/interfaces/Node/string/element.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -9,9 +8,7 @@ export const input = (
     <text>two</text>
   </element>
 )
-
 export const test = value => {
   return Node.string(value, [1])
 }
-
 export const output = `onetwo`
diff --git a/packages/slate/test/interfaces/Node/string/text.js b/packages/slate/test/interfaces/Node/string/text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Node/string/text.js
rename to packages/slate/test/interfaces/Node/string/text.tsx
index a2000f132..0c8d0af51 100644
--- a/packages/slate/test/interfaces/Node/string/text.js
+++ b/packages/slate/test/interfaces/Node/string/text.tsx
@@ -1,12 +1,9 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
 export const input = <text>one</text>
-
 export const test = value => {
   return Node.string(value)
 }
-
 export const output = `one`
diff --git a/packages/slate/test/interfaces/Node/texts/all.js b/packages/slate/test/interfaces/Node/texts/all.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/texts/all.js
rename to packages/slate/test/interfaces/Node/texts/all.tsx
index 285bf1d52..5195d0817 100644
--- a/packages/slate/test/interfaces/Node/texts/all.js
+++ b/packages/slate/test/interfaces/Node/texts/all.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.texts(value))
 }
-
 export const output = [
   [<text key="a" />, [0, 0]],
   [<text key="b" />, [0, 1]],
diff --git a/packages/slate/test/interfaces/Node/texts/from.js b/packages/slate/test/interfaces/Node/texts/from.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/texts/from.js
rename to packages/slate/test/interfaces/Node/texts/from.tsx
index acf6a8bb1..14337d70b 100644
--- a/packages/slate/test/interfaces/Node/texts/from.js
+++ b/packages/slate/test/interfaces/Node/texts/from.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,9 +10,7 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.texts(value, { from: [0, 1] }))
 }
-
 export const output = [[<text key="b" />, [0, 1]]]
diff --git a/packages/slate/test/interfaces/Node/texts/multiple-elements.js b/packages/slate/test/interfaces/Node/texts/multiple-elements.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/texts/multiple-elements.js
rename to packages/slate/test/interfaces/Node/texts/multiple-elements.tsx
index 03af0dc57..c77068df6 100644
--- a/packages/slate/test/interfaces/Node/texts/multiple-elements.js
+++ b/packages/slate/test/interfaces/Node/texts/multiple-elements.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -13,11 +12,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.texts(value))
 }
-
 export const output = [
   [<text key="a" />, [0, 0]],
   [<text key="b" />, [1, 0]],
diff --git a/packages/slate/test/interfaces/Node/texts/reverse.js b/packages/slate/test/interfaces/Node/texts/reverse.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/texts/reverse.js
rename to packages/slate/test/interfaces/Node/texts/reverse.tsx
index 7c9ab3ce9..927f80539 100644
--- a/packages/slate/test/interfaces/Node/texts/reverse.js
+++ b/packages/slate/test/interfaces/Node/texts/reverse.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -11,11 +10,9 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(Node.texts(value, { reverse: true }))
 }
-
 export const output = [
   [<text key="b" />, [0, 1]],
   [<text key="a" />, [0, 0]],
diff --git a/packages/slate/test/interfaces/Node/texts/to.js b/packages/slate/test/interfaces/Node/texts/to.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Node/texts/to.js
rename to packages/slate/test/interfaces/Node/texts/to.tsx
index 7d9fbd5e5..85d76c036 100644
--- a/packages/slate/test/interfaces/Node/texts/to.js
+++ b/packages/slate/test/interfaces/Node/texts/to.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx  */
-
 import { Node } from 'slate'
 import { jsx } from 'slate-hyperscript'
 
@@ -13,7 +12,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const test = value => {
   return Array.from(
     Node.texts(value, {
@@ -22,7 +20,6 @@ export const test = value => {
     })
   )
 }
-
 export const output = [
   [<text key="b" />, [0, 1]],
   [<text key="c" />, [0, 2]],
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/backward-in-parent.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/backward-in-parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/backward-in-parent.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/backward-in-parent.tsx
index d731e0281..11853ef40 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/backward-in-parent.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/backward-in-parent.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = { type: 'move_node', path: [0, 2], newPath: [0, 1] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 export const output = { type: 'move_node', path: [0, 1], newPath: [0, 2] }
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-after-parent.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-after-parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-after-parent.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-after-parent.tsx
index ac5e12dc1..a8e011a4b 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-after-parent.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-after-parent.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = { type: 'move_node', path: [0, 2, 1], newPath: [0, 3] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 export const output = { type: 'move_node', path: [0, 3], newPath: [0, 2, 1] }
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-before-parent.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-before-parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-before-parent.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-before-parent.tsx
index 04fca646f..866234fbd 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-before-parent.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-ends-before-parent.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = { type: 'move_node', path: [0, 2, 1], newPath: [0, 1] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 export const output = { type: 'move_node', path: [0, 1], newPath: [0, 3, 1] }
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-parent.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-parent.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-parent.tsx
index 9a74b3d79..6f8663322 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-parent.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/child-to-parent.tsx
@@ -1,12 +1,9 @@
 import { Operation } from 'slate'
-
 // This test covers moving a child to the location of where the current parent is (not becoming its parent).
 // When the move happens the child is inserted infront of its old parent causing its former parent's index to shiftp
 // back within its former grandparent (now parent).
 export const input = { type: 'move_node', path: [0, 2, 1], newPath: [0, 2] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 export const output = { type: 'move_node', path: [0, 2], newPath: [0, 3, 1] }
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-after-parent-to-child.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-after-parent-to-child.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/ends-after-parent-to-child.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/ends-after-parent-to-child.tsx
index 8c15b0495..0d56eb2a6 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-after-parent-to-child.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-after-parent-to-child.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = { type: 'move_node', path: [0, 3], newPath: [0, 2, 1] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 export const output = { type: 'move_node', path: [0, 2, 1], newPath: [0, 3] }
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-before-parent-to-child.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-before-parent-to-child.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/ends-before-parent-to-child.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/ends-before-parent-to-child.tsx
index 1e8581af2..bd2332f9a 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-before-parent-to-child.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/ends-before-parent-to-child.tsx
@@ -1,10 +1,8 @@
 import { Operation } from 'slate'
 
 export const input = { type: 'move_node', path: [0, 1], newPath: [0, 2, 1] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 // The path has changed here because the removal of [0, 1] caused [0, 2] to shift forward into its location.
 export const output = { type: 'move_node', path: [0, 1, 1], newPath: [0, 1] }
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/forward-in-parent.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/forward-in-parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/forward-in-parent.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/forward-in-parent.tsx
index 499663647..e4a0c033d 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/forward-in-parent.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/forward-in-parent.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = { type: 'move_node', path: [0, 1], newPath: [0, 2] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 export const output = { type: 'move_node', path: [0, 2], newPath: [0, 1] }
diff --git a/packages/slate/test/interfaces/Operation/inverse/moveNode/non-sibling.js b/packages/slate/test/interfaces/Operation/inverse/moveNode/non-sibling.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/inverse/moveNode/non-sibling.js
rename to packages/slate/test/interfaces/Operation/inverse/moveNode/non-sibling.tsx
index 46a9328d5..17384f658 100644
--- a/packages/slate/test/interfaces/Operation/inverse/moveNode/non-sibling.js
+++ b/packages/slate/test/interfaces/Operation/inverse/moveNode/non-sibling.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = { type: 'move_node', path: [0, 2], newPath: [1, 0, 0] }
-
 export const test = value => {
   return Operation.inverse(value)
 }
-
 export const output = { type: 'move_node', path: [1, 0, 0], newPath: [0, 2] }
diff --git a/packages/slate/test/interfaces/Operation/isOperation/boolean.js b/packages/slate/test/interfaces/Operation/isOperation/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Operation/isOperation/boolean.js
rename to packages/slate/test/interfaces/Operation/isOperation/boolean.tsx
index b249c8f10..f7125c858 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/boolean.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/boolean.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Operation/isOperation/custom-property.js b/packages/slate/test/interfaces/Operation/isOperation/custom-property.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/custom-property.js
rename to packages/slate/test/interfaces/Operation/isOperation/custom-property.tsx
index 9888cce11..4165beaaa 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/custom-property.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/custom-property.tsx
@@ -7,9 +7,7 @@ export const input = {
   newProperties: {},
   custom: true,
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/insert_node.js b/packages/slate/test/interfaces/Operation/isOperation/insert_node.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/insert_node.js
rename to packages/slate/test/interfaces/Operation/isOperation/insert_node.tsx
index 2fbc3cdeb..64a920303 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/insert_node.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/insert_node.tsx
@@ -7,9 +7,7 @@ export const input = {
     children: [],
   },
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/insert_text.js b/packages/slate/test/interfaces/Operation/isOperation/insert_text.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/insert_text.js
rename to packages/slate/test/interfaces/Operation/isOperation/insert_text.tsx
index 07786bb5a..6ca0b7d5d 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/insert_text.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/insert_text.tsx
@@ -6,9 +6,7 @@ export const input = {
   offset: 0,
   text: 'string',
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/merge_node.js b/packages/slate/test/interfaces/Operation/isOperation/merge_node.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/merge_node.js
rename to packages/slate/test/interfaces/Operation/isOperation/merge_node.tsx
index 840e594fb..b63141d95 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/merge_node.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/merge_node.tsx
@@ -6,9 +6,7 @@ export const input = {
   position: 0,
   properties: {},
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/move_node.js b/packages/slate/test/interfaces/Operation/isOperation/move_node.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/move_node.js
rename to packages/slate/test/interfaces/Operation/isOperation/move_node.tsx
index df1a76c5a..b4b92212f 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/move_node.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/move_node.tsx
@@ -5,9 +5,7 @@ export const input = {
   path: [0],
   newPath: [1],
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/object.js b/packages/slate/test/interfaces/Operation/isOperation/object.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Operation/isOperation/object.js
rename to packages/slate/test/interfaces/Operation/isOperation/object.tsx
index 66bbc4137..694f31c80 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/object.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/object.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = {}
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Operation/isOperation/remove_node.js b/packages/slate/test/interfaces/Operation/isOperation/remove_node.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/remove_node.js
rename to packages/slate/test/interfaces/Operation/isOperation/remove_node.tsx
index e807b4344..333a05978 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/remove_node.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/remove_node.tsx
@@ -7,9 +7,7 @@ export const input = {
     children: [],
   },
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/remove_text.js b/packages/slate/test/interfaces/Operation/isOperation/remove_text.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/remove_text.js
rename to packages/slate/test/interfaces/Operation/isOperation/remove_text.tsx
index cd1cedf9e..76b8b4783 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/remove_text.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/remove_text.tsx
@@ -6,9 +6,7 @@ export const input = {
   offset: 0,
   text: 'string',
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/set_node.js b/packages/slate/test/interfaces/Operation/isOperation/set_node.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/set_node.js
rename to packages/slate/test/interfaces/Operation/isOperation/set_node.tsx
index 9d6c80d3b..6f6896e38 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/set_node.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/set_node.tsx
@@ -6,9 +6,7 @@ export const input = {
   properties: {},
   newProperties: {},
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/set_selection.js b/packages/slate/test/interfaces/Operation/isOperation/set_selection.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/set_selection.js
rename to packages/slate/test/interfaces/Operation/isOperation/set_selection.tsx
index b092c15e4..11b6f437d 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/set_selection.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/set_selection.tsx
@@ -5,9 +5,7 @@ export const input = {
   properties: {},
   newProperties: {},
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/split_node.js b/packages/slate/test/interfaces/Operation/isOperation/split_node.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/split_node.js
rename to packages/slate/test/interfaces/Operation/isOperation/split_node.tsx
index 309cdfdc0..2d990ff32 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/split_node.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/split_node.tsx
@@ -6,9 +6,7 @@ export const input = {
   position: 0,
   properties: {},
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperation/without-type.js b/packages/slate/test/interfaces/Operation/isOperation/without-type.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperation/without-type.js
rename to packages/slate/test/interfaces/Operation/isOperation/without-type.tsx
index 9c43861fa..e82920314 100644
--- a/packages/slate/test/interfaces/Operation/isOperation/without-type.js
+++ b/packages/slate/test/interfaces/Operation/isOperation/without-type.tsx
@@ -5,9 +5,7 @@ export const input = {
   properties: {},
   newProperties: {},
 }
-
 export const test = value => {
   return Operation.isOperation(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Operation/isOperationList/boolean.js b/packages/slate/test/interfaces/Operation/isOperationList/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Operation/isOperationList/boolean.js
rename to packages/slate/test/interfaces/Operation/isOperationList/boolean.tsx
index 5cc4c0a8f..dead9ae1c 100644
--- a/packages/slate/test/interfaces/Operation/isOperationList/boolean.js
+++ b/packages/slate/test/interfaces/Operation/isOperationList/boolean.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Operation.isOperationList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Operation/isOperationList/empty.js b/packages/slate/test/interfaces/Operation/isOperationList/empty.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Operation/isOperationList/empty.js
rename to packages/slate/test/interfaces/Operation/isOperationList/empty.tsx
index 774c0b50c..695ce4406 100644
--- a/packages/slate/test/interfaces/Operation/isOperationList/empty.js
+++ b/packages/slate/test/interfaces/Operation/isOperationList/empty.tsx
@@ -1,9 +1,7 @@
 import { Operation } from 'slate'
 
 export const input = []
-
 export const test = value => {
   return Operation.isOperationList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperationList/full.js b/packages/slate/test/interfaces/Operation/isOperationList/full.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperationList/full.js
rename to packages/slate/test/interfaces/Operation/isOperationList/full.tsx
index b97299d21..0b2ba30b8 100644
--- a/packages/slate/test/interfaces/Operation/isOperationList/full.js
+++ b/packages/slate/test/interfaces/Operation/isOperationList/full.tsx
@@ -8,9 +8,7 @@ export const input = [
     newProperties: {},
   },
 ]
-
 export const test = value => {
   return Operation.isOperationList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Operation/isOperationList/operation.js b/packages/slate/test/interfaces/Operation/isOperationList/operation.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Operation/isOperationList/operation.js
rename to packages/slate/test/interfaces/Operation/isOperationList/operation.tsx
index 81f2162a6..737470740 100644
--- a/packages/slate/test/interfaces/Operation/isOperationList/operation.js
+++ b/packages/slate/test/interfaces/Operation/isOperationList/operation.tsx
@@ -6,9 +6,7 @@ export const input = {
   properties: {},
   newProperties: {},
 }
-
 export const test = value => {
   return Operation.isOperationList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/ancestors/reverse.js b/packages/slate/test/interfaces/Path/ancestors/reverse.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/ancestors/reverse.js
rename to packages/slate/test/interfaces/Path/ancestors/reverse.tsx
index a4463ed7a..e59a1f015 100644
--- a/packages/slate/test/interfaces/Path/ancestors/reverse.js
+++ b/packages/slate/test/interfaces/Path/ancestors/reverse.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1, 2]
-
 export const test = path => {
   return Path.ancestors(path, { reverse: true })
 }
-
 export const output = [[0, 1], [0], []]
diff --git a/packages/slate/test/interfaces/Path/ancestors/success.js b/packages/slate/test/interfaces/Path/ancestors/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/ancestors/success.js
rename to packages/slate/test/interfaces/Path/ancestors/success.tsx
index 284549496..07f810677 100644
--- a/packages/slate/test/interfaces/Path/ancestors/success.js
+++ b/packages/slate/test/interfaces/Path/ancestors/success.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1, 2]
-
 export const test = path => {
   return Path.ancestors(path)
 }
-
 export const output = [[], [0], [0, 1]]
diff --git a/packages/slate/test/interfaces/Path/common/equal.js b/packages/slate/test/interfaces/Path/common/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/common/equal.js
rename to packages/slate/test/interfaces/Path/common/equal.tsx
index ce3fb3806..ec71bf93b 100644
--- a/packages/slate/test/interfaces/Path/common/equal.js
+++ b/packages/slate/test/interfaces/Path/common/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.common(path, another)
 }
-
 export const output = [0, 1, 2]
diff --git a/packages/slate/test/interfaces/Path/common/root.js b/packages/slate/test/interfaces/Path/common/root.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/common/root.js
rename to packages/slate/test/interfaces/Path/common/root.tsx
index 6b9d50ba7..fc65e7122 100644
--- a/packages/slate/test/interfaces/Path/common/root.js
+++ b/packages/slate/test/interfaces/Path/common/root.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [3, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.common(path, another)
 }
-
 export const output = []
diff --git a/packages/slate/test/interfaces/Path/common/success.js b/packages/slate/test/interfaces/Path/common/success.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/common/success.js
rename to packages/slate/test/interfaces/Path/common/success.tsx
index af07325a8..679bcc034 100644
--- a/packages/slate/test/interfaces/Path/common/success.js
+++ b/packages/slate/test/interfaces/Path/common/success.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.common(path, another)
 }
-
 export const output = [0]
diff --git a/packages/slate/test/interfaces/Path/compare/above.js b/packages/slate/test/interfaces/Path/compare/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/compare/above.js
rename to packages/slate/test/interfaces/Path/compare/above.tsx
index e763bca7b..0b2b3f578 100644
--- a/packages/slate/test/interfaces/Path/compare/above.js
+++ b/packages/slate/test/interfaces/Path/compare/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.compare(path, another)
 }
-
 export const output = 0
diff --git a/packages/slate/test/interfaces/Path/compare/after.js b/packages/slate/test/interfaces/Path/compare/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/compare/after.js
rename to packages/slate/test/interfaces/Path/compare/after.tsx
index 617324e51..199b707c5 100644
--- a/packages/slate/test/interfaces/Path/compare/after.js
+++ b/packages/slate/test/interfaces/Path/compare/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.compare(path, another)
 }
-
 export const output = 1
diff --git a/packages/slate/test/interfaces/Path/compare/before.js b/packages/slate/test/interfaces/Path/compare/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/compare/before.js
rename to packages/slate/test/interfaces/Path/compare/before.tsx
index 0078ea21c..d45befabf 100644
--- a/packages/slate/test/interfaces/Path/compare/before.js
+++ b/packages/slate/test/interfaces/Path/compare/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.compare(path, another)
 }
-
 export const output = -1
diff --git a/packages/slate/test/interfaces/Path/compare/below.js b/packages/slate/test/interfaces/Path/compare/below.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/compare/below.js
rename to packages/slate/test/interfaces/Path/compare/below.tsx
index 5ff34fde1..06dba3ad5 100644
--- a/packages/slate/test/interfaces/Path/compare/below.js
+++ b/packages/slate/test/interfaces/Path/compare/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.compare(path, another)
 }
-
 export const output = 0
diff --git a/packages/slate/test/interfaces/Path/compare/equal.js b/packages/slate/test/interfaces/Path/compare/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/compare/equal.js
rename to packages/slate/test/interfaces/Path/compare/equal.tsx
index 4da444043..33918d293 100644
--- a/packages/slate/test/interfaces/Path/compare/equal.js
+++ b/packages/slate/test/interfaces/Path/compare/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.compare(path, another)
 }
-
 export const output = 0
diff --git a/packages/slate/test/interfaces/Path/compare/root.js b/packages/slate/test/interfaces/Path/compare/root.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/compare/root.js
rename to packages/slate/test/interfaces/Path/compare/root.tsx
index e7e8e056a..bf5454d64 100644
--- a/packages/slate/test/interfaces/Path/compare/root.js
+++ b/packages/slate/test/interfaces/Path/compare/root.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.compare(path, another)
 }
-
 export const output = 0
diff --git a/packages/slate/test/interfaces/Path/endsAfter/above.js b/packages/slate/test/interfaces/Path/endsAfter/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/above.js
rename to packages/slate/test/interfaces/Path/endsAfter/above.tsx
index 434562c80..de968b295 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/above.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAfter/after.js b/packages/slate/test/interfaces/Path/endsAfter/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/after.js
rename to packages/slate/test/interfaces/Path/endsAfter/after.tsx
index df01ffdbc..8455915ab 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/after.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAfter/before.js b/packages/slate/test/interfaces/Path/endsAfter/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/before.js
rename to packages/slate/test/interfaces/Path/endsAfter/before.tsx
index 03605f59c..23385d402 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/before.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAfter/below.js b/packages/slate/test/interfaces/Path/endsAfter/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/below.js
rename to packages/slate/test/interfaces/Path/endsAfter/below.tsx
index 73fd87e5f..6d1437214 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/below.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAfter/ends-after.js b/packages/slate/test/interfaces/Path/endsAfter/ends-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/ends-after.js
rename to packages/slate/test/interfaces/Path/endsAfter/ends-after.tsx
index 3902d3a10..18b9b9526 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/ends-after.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/ends-after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1],
   another: [0, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/endsAfter/ends-at.js b/packages/slate/test/interfaces/Path/endsAfter/ends-at.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/ends-at.js
rename to packages/slate/test/interfaces/Path/endsAfter/ends-at.tsx
index a889110ec..640e2faaa 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/ends-at.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/ends-at.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAfter/ends-before.js b/packages/slate/test/interfaces/Path/endsAfter/ends-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/ends-before.js
rename to packages/slate/test/interfaces/Path/endsAfter/ends-before.tsx
index 3f59fac60..8a5b74455 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/ends-before.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/ends-before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAfter/equal.js b/packages/slate/test/interfaces/Path/endsAfter/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/equal.js
rename to packages/slate/test/interfaces/Path/endsAfter/equal.tsx
index abbd9baf6..8b86c8978 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/equal.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAfter/root.js b/packages/slate/test/interfaces/Path/endsAfter/root.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAfter/root.js
rename to packages/slate/test/interfaces/Path/endsAfter/root.tsx
index dff32f6b1..9158f802e 100644
--- a/packages/slate/test/interfaces/Path/endsAfter/root.js
+++ b/packages/slate/test/interfaces/Path/endsAfter/root.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAt/above.js b/packages/slate/test/interfaces/Path/endsAt/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAt/above.js
rename to packages/slate/test/interfaces/Path/endsAt/above.tsx
index 06dde5753..c53a3e422 100644
--- a/packages/slate/test/interfaces/Path/endsAt/above.js
+++ b/packages/slate/test/interfaces/Path/endsAt/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAt/after.js b/packages/slate/test/interfaces/Path/endsAt/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAt/after.js
rename to packages/slate/test/interfaces/Path/endsAt/after.tsx
index 7a16187b8..59abeee2a 100644
--- a/packages/slate/test/interfaces/Path/endsAt/after.js
+++ b/packages/slate/test/interfaces/Path/endsAt/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAt/before.js b/packages/slate/test/interfaces/Path/endsAt/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAt/before.js
rename to packages/slate/test/interfaces/Path/endsAt/before.tsx
index a044038f1..d5725ec6b 100644
--- a/packages/slate/test/interfaces/Path/endsAt/before.js
+++ b/packages/slate/test/interfaces/Path/endsAt/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAt/ends-after.js b/packages/slate/test/interfaces/Path/endsAt/ends-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAt/ends-after.js
rename to packages/slate/test/interfaces/Path/endsAt/ends-after.tsx
index 57ebadfe3..d7fe26e8f 100644
--- a/packages/slate/test/interfaces/Path/endsAt/ends-after.js
+++ b/packages/slate/test/interfaces/Path/endsAt/ends-after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1],
   another: [0, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAt/ends-at.js b/packages/slate/test/interfaces/Path/endsAt/ends-at.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/endsAt/ends-at.js
rename to packages/slate/test/interfaces/Path/endsAt/ends-at.tsx
index 30deec49a..7f20fc772 100644
--- a/packages/slate/test/interfaces/Path/endsAt/ends-at.js
+++ b/packages/slate/test/interfaces/Path/endsAt/ends-at.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/endsAt/ends-before.js b/packages/slate/test/interfaces/Path/endsAt/ends-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAt/ends-before.js
rename to packages/slate/test/interfaces/Path/endsAt/ends-before.tsx
index 21079440d..8d30d89a8 100644
--- a/packages/slate/test/interfaces/Path/endsAt/ends-before.js
+++ b/packages/slate/test/interfaces/Path/endsAt/ends-before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsAt/equal.js b/packages/slate/test/interfaces/Path/endsAt/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAt/equal.js
rename to packages/slate/test/interfaces/Path/endsAt/equal.tsx
index 3c691b091..aaeb08067 100644
--- a/packages/slate/test/interfaces/Path/endsAt/equal.js
+++ b/packages/slate/test/interfaces/Path/endsAt/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/endsAt/root.js b/packages/slate/test/interfaces/Path/endsAt/root.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsAt/root.js
rename to packages/slate/test/interfaces/Path/endsAt/root.tsx
index 307d4dedd..e52b40730 100644
--- a/packages/slate/test/interfaces/Path/endsAt/root.js
+++ b/packages/slate/test/interfaces/Path/endsAt/root.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsAt(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/above.js b/packages/slate/test/interfaces/Path/endsBefore/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/above.js
rename to packages/slate/test/interfaces/Path/endsBefore/above.tsx
index 6f0e9908b..6cf2a7a09 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/above.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/after.js b/packages/slate/test/interfaces/Path/endsBefore/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/after.js
rename to packages/slate/test/interfaces/Path/endsBefore/after.tsx
index fd72ff200..5ffff7f3e 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/after.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/before.js b/packages/slate/test/interfaces/Path/endsBefore/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/before.js
rename to packages/slate/test/interfaces/Path/endsBefore/before.tsx
index ca94ff450..9dcb3cc40 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/before.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/below.js b/packages/slate/test/interfaces/Path/endsBefore/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/below.js
rename to packages/slate/test/interfaces/Path/endsBefore/below.tsx
index 01b2f62aa..d425a855b 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/below.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/ends-after.js b/packages/slate/test/interfaces/Path/endsBefore/ends-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/ends-after.js
rename to packages/slate/test/interfaces/Path/endsBefore/ends-after.tsx
index 2a914855f..b246c70ed 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/ends-after.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/ends-after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1],
   another: [0, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/ends-at.js b/packages/slate/test/interfaces/Path/endsBefore/ends-at.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/ends-at.js
rename to packages/slate/test/interfaces/Path/endsBefore/ends-at.tsx
index a517b972f..ed1391d10 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/ends-at.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/ends-at.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/ends-before.js b/packages/slate/test/interfaces/Path/endsBefore/ends-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/ends-before.js
rename to packages/slate/test/interfaces/Path/endsBefore/ends-before.tsx
index b9a589ab7..ddb5d030f 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/ends-before.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/ends-before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/endsBefore/equal.js b/packages/slate/test/interfaces/Path/endsBefore/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/equal.js
rename to packages/slate/test/interfaces/Path/endsBefore/equal.tsx
index 909b4182a..b887fa199 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/equal.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/endsBefore/root.js b/packages/slate/test/interfaces/Path/endsBefore/root.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/endsBefore/root.js
rename to packages/slate/test/interfaces/Path/endsBefore/root.tsx
index 2c63c5085..28290d9a9 100644
--- a/packages/slate/test/interfaces/Path/endsBefore/root.js
+++ b/packages/slate/test/interfaces/Path/endsBefore/root.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.endsBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/equals/above.js b/packages/slate/test/interfaces/Path/equals/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/equals/above.js
rename to packages/slate/test/interfaces/Path/equals/above.tsx
index 0e252aba4..0a8ff778a 100644
--- a/packages/slate/test/interfaces/Path/equals/above.js
+++ b/packages/slate/test/interfaces/Path/equals/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.equals(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/equals/after.js b/packages/slate/test/interfaces/Path/equals/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/equals/after.js
rename to packages/slate/test/interfaces/Path/equals/after.tsx
index f1f4048df..0667bf61b 100644
--- a/packages/slate/test/interfaces/Path/equals/after.js
+++ b/packages/slate/test/interfaces/Path/equals/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.equals(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/equals/before.js b/packages/slate/test/interfaces/Path/equals/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/equals/before.js
rename to packages/slate/test/interfaces/Path/equals/before.tsx
index 13201509c..bbde1ed09 100644
--- a/packages/slate/test/interfaces/Path/equals/before.js
+++ b/packages/slate/test/interfaces/Path/equals/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.equals(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/equals/below.js b/packages/slate/test/interfaces/Path/equals/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/equals/below.js
rename to packages/slate/test/interfaces/Path/equals/below.tsx
index 5e0af5b74..82ca09151 100644
--- a/packages/slate/test/interfaces/Path/equals/below.js
+++ b/packages/slate/test/interfaces/Path/equals/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.equals(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/equals/equal.js b/packages/slate/test/interfaces/Path/equals/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/equals/equal.js
rename to packages/slate/test/interfaces/Path/equals/equal.tsx
index 64d6e0cc6..df18125ec 100644
--- a/packages/slate/test/interfaces/Path/equals/equal.js
+++ b/packages/slate/test/interfaces/Path/equals/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.equals(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/equals/root.js b/packages/slate/test/interfaces/Path/equals/root.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/equals/root.js
rename to packages/slate/test/interfaces/Path/equals/root.tsx
index 7bc860bcb..10bfe232b 100644
--- a/packages/slate/test/interfaces/Path/equals/root.js
+++ b/packages/slate/test/interfaces/Path/equals/root.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.equals(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAfter/above.js b/packages/slate/test/interfaces/Path/isAfter/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAfter/above.js
rename to packages/slate/test/interfaces/Path/isAfter/above.tsx
index 6522e4fce..a80131a32 100644
--- a/packages/slate/test/interfaces/Path/isAfter/above.js
+++ b/packages/slate/test/interfaces/Path/isAfter/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAfter/after.js b/packages/slate/test/interfaces/Path/isAfter/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAfter/after.js
rename to packages/slate/test/interfaces/Path/isAfter/after.tsx
index e1ad98186..8f2a77c47 100644
--- a/packages/slate/test/interfaces/Path/isAfter/after.js
+++ b/packages/slate/test/interfaces/Path/isAfter/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAfter(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isAfter/before.js b/packages/slate/test/interfaces/Path/isAfter/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAfter/before.js
rename to packages/slate/test/interfaces/Path/isAfter/before.tsx
index 80f6aa92b..ea05d05d6 100644
--- a/packages/slate/test/interfaces/Path/isAfter/before.js
+++ b/packages/slate/test/interfaces/Path/isAfter/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAfter/below.js b/packages/slate/test/interfaces/Path/isAfter/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAfter/below.js
rename to packages/slate/test/interfaces/Path/isAfter/below.tsx
index ed5a9568a..a4ee9acd5 100644
--- a/packages/slate/test/interfaces/Path/isAfter/below.js
+++ b/packages/slate/test/interfaces/Path/isAfter/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAfter/equal.js b/packages/slate/test/interfaces/Path/isAfter/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAfter/equal.js
rename to packages/slate/test/interfaces/Path/isAfter/equal.tsx
index 5d8cd152d..ae5da8745 100644
--- a/packages/slate/test/interfaces/Path/isAfter/equal.js
+++ b/packages/slate/test/interfaces/Path/isAfter/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAfter(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAncestor/above-grandparent.js b/packages/slate/test/interfaces/Path/isAncestor/above-grandparent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAncestor/above-grandparent.js
rename to packages/slate/test/interfaces/Path/isAncestor/above-grandparent.tsx
index 79b9da3ab..46811fcc4 100644
--- a/packages/slate/test/interfaces/Path/isAncestor/above-grandparent.js
+++ b/packages/slate/test/interfaces/Path/isAncestor/above-grandparent.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAncestor(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isAncestor/above-parent.js b/packages/slate/test/interfaces/Path/isAncestor/above-parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAncestor/above-parent.js
rename to packages/slate/test/interfaces/Path/isAncestor/above-parent.tsx
index 3eed02602..66126e17e 100644
--- a/packages/slate/test/interfaces/Path/isAncestor/above-parent.js
+++ b/packages/slate/test/interfaces/Path/isAncestor/above-parent.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAncestor(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isAncestor/after.js b/packages/slate/test/interfaces/Path/isAncestor/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAncestor/after.js
rename to packages/slate/test/interfaces/Path/isAncestor/after.tsx
index c2b2c3134..279c17b42 100644
--- a/packages/slate/test/interfaces/Path/isAncestor/after.js
+++ b/packages/slate/test/interfaces/Path/isAncestor/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAncestor(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAncestor/before.tsx b/packages/slate/test/interfaces/Path/isAncestor/before.tsx
new file mode 100644
index 000000000..b2d8db58b
--- /dev/null
+++ b/packages/slate/test/interfaces/Path/isAncestor/before.tsx
@@ -0,0 +1,10 @@
+import { Path } from 'slate'
+
+export const input = {
+  path: [0, 1, 2],
+  another: [1],
+}
+export const test = ({ path, another }) => {
+  return Path.isAncestor(path, another)
+}
+export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAncestor/below.js b/packages/slate/test/interfaces/Path/isAncestor/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAncestor/below.js
rename to packages/slate/test/interfaces/Path/isAncestor/below.tsx
index f63e408d2..039f49299 100644
--- a/packages/slate/test/interfaces/Path/isAncestor/below.js
+++ b/packages/slate/test/interfaces/Path/isAncestor/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAncestor(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isAncestor/equal.js b/packages/slate/test/interfaces/Path/isAncestor/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isAncestor/equal.js
rename to packages/slate/test/interfaces/Path/isAncestor/equal.tsx
index 5cc1a7893..c8fcabc14 100644
--- a/packages/slate/test/interfaces/Path/isAncestor/equal.js
+++ b/packages/slate/test/interfaces/Path/isAncestor/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.isAncestor(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isBefore/above.js b/packages/slate/test/interfaces/Path/isBefore/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isBefore/above.js
rename to packages/slate/test/interfaces/Path/isBefore/above.tsx
index 0fbd0c153..66bf3c994 100644
--- a/packages/slate/test/interfaces/Path/isBefore/above.js
+++ b/packages/slate/test/interfaces/Path/isBefore/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isBefore/after.js b/packages/slate/test/interfaces/Path/isBefore/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isBefore/after.js
rename to packages/slate/test/interfaces/Path/isBefore/after.tsx
index d238a8005..06860658b 100644
--- a/packages/slate/test/interfaces/Path/isBefore/after.js
+++ b/packages/slate/test/interfaces/Path/isBefore/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isBefore/before.js b/packages/slate/test/interfaces/Path/isBefore/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isBefore/before.js
rename to packages/slate/test/interfaces/Path/isBefore/before.tsx
index 9c9d6ae50..ef5509bd9 100644
--- a/packages/slate/test/interfaces/Path/isBefore/before.js
+++ b/packages/slate/test/interfaces/Path/isBefore/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isBefore(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isBefore/below.js b/packages/slate/test/interfaces/Path/isBefore/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isBefore/below.js
rename to packages/slate/test/interfaces/Path/isBefore/below.tsx
index 73f4cbaaf..0c209e575 100644
--- a/packages/slate/test/interfaces/Path/isBefore/below.js
+++ b/packages/slate/test/interfaces/Path/isBefore/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isBefore/equal.js b/packages/slate/test/interfaces/Path/isBefore/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isBefore/equal.js
rename to packages/slate/test/interfaces/Path/isBefore/equal.tsx
index 398c31e33..6414f9fd3 100644
--- a/packages/slate/test/interfaces/Path/isBefore/equal.js
+++ b/packages/slate/test/interfaces/Path/isBefore/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.isBefore(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isChild/above.js b/packages/slate/test/interfaces/Path/isChild/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isChild/above.js
rename to packages/slate/test/interfaces/Path/isChild/above.tsx
index 8bd3a5497..3a3b4df7d 100644
--- a/packages/slate/test/interfaces/Path/isChild/above.js
+++ b/packages/slate/test/interfaces/Path/isChild/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isChild(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isChild/after.js b/packages/slate/test/interfaces/Path/isChild/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isChild/after.js
rename to packages/slate/test/interfaces/Path/isChild/after.tsx
index 8f992b539..f56dbe3d0 100644
--- a/packages/slate/test/interfaces/Path/isChild/after.js
+++ b/packages/slate/test/interfaces/Path/isChild/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isChild(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isChild/before.tsx b/packages/slate/test/interfaces/Path/isChild/before.tsx
new file mode 100644
index 000000000..0960d6612
--- /dev/null
+++ b/packages/slate/test/interfaces/Path/isChild/before.tsx
@@ -0,0 +1,10 @@
+import { Path } from 'slate'
+
+export const input = {
+  path: [0, 1, 2],
+  another: [1],
+}
+export const test = ({ path, another }) => {
+  return Path.isChild(path, another)
+}
+export const output = false
diff --git a/packages/slate/test/interfaces/Path/isChild/below-child.js b/packages/slate/test/interfaces/Path/isChild/below-child.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isChild/below-child.js
rename to packages/slate/test/interfaces/Path/isChild/below-child.tsx
index 7e36ae225..702d9b180 100644
--- a/packages/slate/test/interfaces/Path/isChild/below-child.js
+++ b/packages/slate/test/interfaces/Path/isChild/below-child.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isChild(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isChild/below-grandchild.js b/packages/slate/test/interfaces/Path/isChild/below-grandchild.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isChild/below-grandchild.js
rename to packages/slate/test/interfaces/Path/isChild/below-grandchild.tsx
index c90e76e08..ffb59790b 100644
--- a/packages/slate/test/interfaces/Path/isChild/below-grandchild.js
+++ b/packages/slate/test/interfaces/Path/isChild/below-grandchild.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.isChild(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isChild/equal.js b/packages/slate/test/interfaces/Path/isChild/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isChild/equal.js
rename to packages/slate/test/interfaces/Path/isChild/equal.tsx
index 0f73ff181..f5002b298 100644
--- a/packages/slate/test/interfaces/Path/isChild/equal.js
+++ b/packages/slate/test/interfaces/Path/isChild/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.isChild(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isDescendant/above.js b/packages/slate/test/interfaces/Path/isDescendant/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isDescendant/above.js
rename to packages/slate/test/interfaces/Path/isDescendant/above.tsx
index f933c2246..15a8bd9f2 100644
--- a/packages/slate/test/interfaces/Path/isDescendant/above.js
+++ b/packages/slate/test/interfaces/Path/isDescendant/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isDescendant(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isDescendant/after.js b/packages/slate/test/interfaces/Path/isDescendant/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isDescendant/after.js
rename to packages/slate/test/interfaces/Path/isDescendant/after.tsx
index aa1bc800e..7b8d72061 100644
--- a/packages/slate/test/interfaces/Path/isDescendant/after.js
+++ b/packages/slate/test/interfaces/Path/isDescendant/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isDescendant(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isDescendant/before.js b/packages/slate/test/interfaces/Path/isDescendant/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isDescendant/before.js
rename to packages/slate/test/interfaces/Path/isDescendant/before.tsx
index ff861fa15..11da4f053 100644
--- a/packages/slate/test/interfaces/Path/isDescendant/before.js
+++ b/packages/slate/test/interfaces/Path/isDescendant/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isDescendant(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isDescendant/below-child.js b/packages/slate/test/interfaces/Path/isDescendant/below-child.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isDescendant/below-child.js
rename to packages/slate/test/interfaces/Path/isDescendant/below-child.tsx
index 7696b7768..d86bfa8bb 100644
--- a/packages/slate/test/interfaces/Path/isDescendant/below-child.js
+++ b/packages/slate/test/interfaces/Path/isDescendant/below-child.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isDescendant(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isDescendant/below-grandchild.js b/packages/slate/test/interfaces/Path/isDescendant/below-grandchild.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isDescendant/below-grandchild.js
rename to packages/slate/test/interfaces/Path/isDescendant/below-grandchild.tsx
index bf7772ba1..67dc430b5 100644
--- a/packages/slate/test/interfaces/Path/isDescendant/below-grandchild.js
+++ b/packages/slate/test/interfaces/Path/isDescendant/below-grandchild.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.isDescendant(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isDescendant/equal.js b/packages/slate/test/interfaces/Path/isDescendant/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isDescendant/equal.js
rename to packages/slate/test/interfaces/Path/isDescendant/equal.tsx
index 3e9f36997..ae982a523 100644
--- a/packages/slate/test/interfaces/Path/isDescendant/equal.js
+++ b/packages/slate/test/interfaces/Path/isDescendant/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.isDescendant(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isParent/above-grandparent.js b/packages/slate/test/interfaces/Path/isParent/above-grandparent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isParent/above-grandparent.js
rename to packages/slate/test/interfaces/Path/isParent/above-grandparent.tsx
index b990f3aa6..7dd3b38f7 100644
--- a/packages/slate/test/interfaces/Path/isParent/above-grandparent.js
+++ b/packages/slate/test/interfaces/Path/isParent/above-grandparent.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isParent(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isParent/above-parent.js b/packages/slate/test/interfaces/Path/isParent/above-parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isParent/above-parent.js
rename to packages/slate/test/interfaces/Path/isParent/above-parent.tsx
index 147251fc7..ff30e91c7 100644
--- a/packages/slate/test/interfaces/Path/isParent/above-parent.js
+++ b/packages/slate/test/interfaces/Path/isParent/above-parent.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isParent(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isParent/after.js b/packages/slate/test/interfaces/Path/isParent/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isParent/after.js
rename to packages/slate/test/interfaces/Path/isParent/after.tsx
index 3ba765aac..5ae47b3eb 100644
--- a/packages/slate/test/interfaces/Path/isParent/after.js
+++ b/packages/slate/test/interfaces/Path/isParent/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isParent(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isParent/before.js b/packages/slate/test/interfaces/Path/isParent/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isParent/before.js
rename to packages/slate/test/interfaces/Path/isParent/before.tsx
index a21778cfc..2789552ca 100644
--- a/packages/slate/test/interfaces/Path/isParent/before.js
+++ b/packages/slate/test/interfaces/Path/isParent/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isParent(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isParent/below.js b/packages/slate/test/interfaces/Path/isParent/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isParent/below.js
rename to packages/slate/test/interfaces/Path/isParent/below.tsx
index f32fe4924..13844cde8 100644
--- a/packages/slate/test/interfaces/Path/isParent/below.js
+++ b/packages/slate/test/interfaces/Path/isParent/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isParent(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isParent/equal.js b/packages/slate/test/interfaces/Path/isParent/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isParent/equal.js
rename to packages/slate/test/interfaces/Path/isParent/equal.tsx
index 05c1b55a2..e8b729d38 100644
--- a/packages/slate/test/interfaces/Path/isParent/equal.js
+++ b/packages/slate/test/interfaces/Path/isParent/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0, 1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.isParent(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isPath/boolean.js b/packages/slate/test/interfaces/Path/isPath/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/isPath/boolean.js
rename to packages/slate/test/interfaces/Path/isPath/boolean.tsx
index d40dc2d67..4e78d48b0 100644
--- a/packages/slate/test/interfaces/Path/isPath/boolean.js
+++ b/packages/slate/test/interfaces/Path/isPath/boolean.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = true
-
 export const test = path => {
   return Path.isPath(path)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isPath/empty.js b/packages/slate/test/interfaces/Path/isPath/empty.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/isPath/empty.js
rename to packages/slate/test/interfaces/Path/isPath/empty.tsx
index eaf502668..a3b9b7f43 100644
--- a/packages/slate/test/interfaces/Path/isPath/empty.js
+++ b/packages/slate/test/interfaces/Path/isPath/empty.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = []
-
 export const test = path => {
   return Path.isPath(path)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isPath/full.js b/packages/slate/test/interfaces/Path/isPath/full.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/isPath/full.js
rename to packages/slate/test/interfaces/Path/isPath/full.tsx
index 3f1d7fe2f..9442ade7d 100644
--- a/packages/slate/test/interfaces/Path/isPath/full.js
+++ b/packages/slate/test/interfaces/Path/isPath/full.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1]
-
 export const test = path => {
   return Path.isPath(path)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isPath/strings.js b/packages/slate/test/interfaces/Path/isPath/strings.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/isPath/strings.js
rename to packages/slate/test/interfaces/Path/isPath/strings.tsx
index 5b58b04f6..b01bd06cb 100644
--- a/packages/slate/test/interfaces/Path/isPath/strings.js
+++ b/packages/slate/test/interfaces/Path/isPath/strings.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = ['a', 'b']
-
 export const test = path => {
   return Path.isPath(path)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isSibling/above.js b/packages/slate/test/interfaces/Path/isSibling/above.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isSibling/above.js
rename to packages/slate/test/interfaces/Path/isSibling/above.tsx
index b1c480eee..7ac2baca9 100644
--- a/packages/slate/test/interfaces/Path/isSibling/above.js
+++ b/packages/slate/test/interfaces/Path/isSibling/above.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isSibling(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isSibling/after-sibling.js b/packages/slate/test/interfaces/Path/isSibling/after-sibling.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isSibling/after-sibling.js
rename to packages/slate/test/interfaces/Path/isSibling/after-sibling.tsx
index 9bede3e2d..fd9cceb6e 100644
--- a/packages/slate/test/interfaces/Path/isSibling/after-sibling.js
+++ b/packages/slate/test/interfaces/Path/isSibling/after-sibling.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 4],
   another: [1, 2],
 }
-
 export const test = ({ path, another }) => {
   return Path.isSibling(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isSibling/after.js b/packages/slate/test/interfaces/Path/isSibling/after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isSibling/after.js
rename to packages/slate/test/interfaces/Path/isSibling/after.tsx
index d2f1fbf53..5fa5205e7 100644
--- a/packages/slate/test/interfaces/Path/isSibling/after.js
+++ b/packages/slate/test/interfaces/Path/isSibling/after.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isSibling(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isSibling/before-sibling.js b/packages/slate/test/interfaces/Path/isSibling/before-sibling.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isSibling/before-sibling.js
rename to packages/slate/test/interfaces/Path/isSibling/before-sibling.tsx
index ef951ce1a..cf3fed9ff 100644
--- a/packages/slate/test/interfaces/Path/isSibling/before-sibling.js
+++ b/packages/slate/test/interfaces/Path/isSibling/before-sibling.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [0, 3],
 }
-
 export const test = ({ path, another }) => {
   return Path.isSibling(path, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Path/isSibling/before.js b/packages/slate/test/interfaces/Path/isSibling/before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isSibling/before.js
rename to packages/slate/test/interfaces/Path/isSibling/before.tsx
index 19ef5cacd..01d049615 100644
--- a/packages/slate/test/interfaces/Path/isSibling/before.js
+++ b/packages/slate/test/interfaces/Path/isSibling/before.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 2],
   another: [1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isSibling(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isSibling/below.js b/packages/slate/test/interfaces/Path/isSibling/below.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isSibling/below.js
rename to packages/slate/test/interfaces/Path/isSibling/below.tsx
index 4469a44f4..5d7e6f1db 100644
--- a/packages/slate/test/interfaces/Path/isSibling/below.js
+++ b/packages/slate/test/interfaces/Path/isSibling/below.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.isSibling(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/isSibling/equal.js b/packages/slate/test/interfaces/Path/isSibling/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/isSibling/equal.js
rename to packages/slate/test/interfaces/Path/isSibling/equal.tsx
index 14ce1931a..6470ce4a3 100644
--- a/packages/slate/test/interfaces/Path/isSibling/equal.js
+++ b/packages/slate/test/interfaces/Path/isSibling/equal.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [0, 1],
 }
-
 export const test = ({ path, another }) => {
   return Path.isSibling(path, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Path/levels/reverse.js b/packages/slate/test/interfaces/Path/levels/reverse.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/levels/reverse.js
rename to packages/slate/test/interfaces/Path/levels/reverse.tsx
index f4ebbbddf..496e69147 100644
--- a/packages/slate/test/interfaces/Path/levels/reverse.js
+++ b/packages/slate/test/interfaces/Path/levels/reverse.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1, 2]
-
 export const test = path => {
   return Path.levels(path, { reverse: true })
 }
-
 export const output = [[0, 1, 2], [0, 1], [0], []]
diff --git a/packages/slate/test/interfaces/Path/levels/success.js b/packages/slate/test/interfaces/Path/levels/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/levels/success.js
rename to packages/slate/test/interfaces/Path/levels/success.tsx
index 561ed6a1c..b13d84118 100644
--- a/packages/slate/test/interfaces/Path/levels/success.js
+++ b/packages/slate/test/interfaces/Path/levels/success.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1, 2]
-
 export const test = path => {
   return Path.levels(path)
 }
-
 export const output = [[], [0], [0, 1], [0, 1, 2]]
diff --git a/packages/slate/test/interfaces/Path/next/success.js b/packages/slate/test/interfaces/Path/next/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/next/success.js
rename to packages/slate/test/interfaces/Path/next/success.tsx
index 9080ef625..296062834 100644
--- a/packages/slate/test/interfaces/Path/next/success.js
+++ b/packages/slate/test/interfaces/Path/next/success.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1]
-
 export const test = path => {
   return Path.next(path)
 }
-
 export const output = [0, 2]
diff --git a/packages/slate/test/interfaces/Path/parent/success.js b/packages/slate/test/interfaces/Path/parent/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/parent/success.js
rename to packages/slate/test/interfaces/Path/parent/success.tsx
index d197cfeff..227ecbc90 100644
--- a/packages/slate/test/interfaces/Path/parent/success.js
+++ b/packages/slate/test/interfaces/Path/parent/success.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1]
-
 export const test = path => {
   return Path.parent(path)
 }
-
 export const output = [0]
diff --git a/packages/slate/test/interfaces/Path/previous/success.js b/packages/slate/test/interfaces/Path/previous/success.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/previous/success.js
rename to packages/slate/test/interfaces/Path/previous/success.tsx
index 4361c0895..835a1df22 100644
--- a/packages/slate/test/interfaces/Path/previous/success.js
+++ b/packages/slate/test/interfaces/Path/previous/success.tsx
@@ -1,9 +1,7 @@
 import { Path } from 'slate'
 
 export const input = [0, 1]
-
 export const test = path => {
   return Path.previous(path)
 }
-
 export const output = [0, 0]
diff --git a/packages/slate/test/interfaces/Path/relative/grandparent.js b/packages/slate/test/interfaces/Path/relative/grandparent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/relative/grandparent.js
rename to packages/slate/test/interfaces/Path/relative/grandparent.tsx
index ed6464364..f3e0a1450 100644
--- a/packages/slate/test/interfaces/Path/relative/grandparent.js
+++ b/packages/slate/test/interfaces/Path/relative/grandparent.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1, 2],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.relative(path, another)
 }
-
 export const output = [1, 2]
diff --git a/packages/slate/test/interfaces/Path/relative/parent.js b/packages/slate/test/interfaces/Path/relative/parent.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/relative/parent.js
rename to packages/slate/test/interfaces/Path/relative/parent.tsx
index 5682394a4..f29881689 100644
--- a/packages/slate/test/interfaces/Path/relative/parent.js
+++ b/packages/slate/test/interfaces/Path/relative/parent.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [0],
 }
-
 export const test = ({ path, another }) => {
   return Path.relative(path, another)
 }
-
 export const output = [1]
diff --git a/packages/slate/test/interfaces/Path/relative/root.js b/packages/slate/test/interfaces/Path/relative/root.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Path/relative/root.js
rename to packages/slate/test/interfaces/Path/relative/root.tsx
index 513f64569..7802f082e 100644
--- a/packages/slate/test/interfaces/Path/relative/root.js
+++ b/packages/slate/test/interfaces/Path/relative/root.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   another: [],
 }
-
 export const test = ({ path, another }) => {
   return Path.relative(path, another)
 }
-
 export const output = [0, 1]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ancestor.js b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ancestor.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ancestor.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ancestor.tsx
index 8e194450c..82cf48483 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ancestor.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ancestor.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [4],
   newPath: [3],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [4, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ends-after.js b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ends-after.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ends-after.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ends-after.tsx
index c1dc2b014..23f069580 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ends-after.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-after-to-ends-after.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [4],
   newPath: [2],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [4, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ancestor.js b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ancestor.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ancestor.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ancestor.tsx
index 58d6447c6..fdbfc5ba2 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ancestor.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ancestor.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [2],
   newPath: [3],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [2, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ends-after.js b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ends-after.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ends-after.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ends-after.tsx
index 5f50281fb..854f30e4b 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ends-after.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-sibling-ends-before-to-ends-after.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [2],
   newPath: [4],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [2, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-after.js b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-after.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-after.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-after.tsx
index 270be0fd1..8c89def26 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-after.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-after.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3],
   newPath: [5, 1],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [4, 1, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-before.js b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-before.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-before.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-before.tsx
index b36d50a75..5efbfd896 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-before.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ancestor-to-ends-before.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3],
   newPath: [2, 5],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [2, 5, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ends-after-to-no-relation.js b/packages/slate/test/interfaces/Path/transform/move_node/ends-after-to-no-relation.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ends-after-to-no-relation.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ends-after-to-no-relation.tsx
index 1b4e04415..7f2040f01 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ends-after-to-no-relation.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ends-after-to-no-relation.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3, 4],
   newPath: [3, 0, 0],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [3, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/ends-before-to-no-relation.js b/packages/slate/test/interfaces/Path/transform/move_node/ends-before-to-no-relation.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/ends-before-to-no-relation.js
rename to packages/slate/test/interfaces/Path/transform/move_node/ends-before-to-no-relation.tsx
index 9463a0835..3b8fff6b7 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/ends-before-to-no-relation.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/ends-before-to-no-relation.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3, 2],
   newPath: [3, 0, 0],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [3, 2, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-after.js b/packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-after.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-after.js
rename to packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-after.tsx
index e889e85e0..d56069e25 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-after.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-after.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3]
-
 const op = {
   type: 'move_node',
   path: [3, 3],
   newPath: [3, 5, 0],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [3, 4, 0]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-before.tsx b/packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-before.tsx
new file mode 100644
index 000000000..09c8de367
--- /dev/null
+++ b/packages/slate/test/interfaces/Path/transform/move_node/equal-to-ends-before.tsx
@@ -0,0 +1,12 @@
+import { Path } from 'slate'
+
+const path = [3, 3]
+const op = {
+  type: 'move_node',
+  path: [3, 3],
+  newPath: [3, 1, 0],
+}
+export const test = () => {
+  return Path.transform(path, op)
+}
+export const output = [3, 1, 0]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-after.js b/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-after.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-after.js
rename to packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-after.tsx
index f19d0ad85..703bd697c 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-after.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-after.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3, 0, 0],
   newPath: [3, 4],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [3, 3, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-before.js b/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-before.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-before.js
rename to packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-before.tsx
index 3bf8d3703..97625ebd5 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-before.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/no-relation-to-ends-before.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3, 0, 0],
   newPath: [3, 2],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [3, 4, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-after.js b/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-after.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-after.js
rename to packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-after.tsx
index 4a492959d..60b633f30 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-after.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-after.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3, 3],
   newPath: [5, 1],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [5, 1, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-before.js b/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-before.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-before.js
rename to packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-before.tsx
index 0337455a5..2f700ea81 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-before.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/parent-to-ends-before.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [3, 3, 3]
-
 const op = {
   type: 'move_node',
   path: [3, 3],
   newPath: [2, 1],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [2, 1, 3]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-ends-equal.js b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-ends-equal.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-ends-equal.js
rename to packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-ends-equal.tsx
index 68cf796ce..bb164160c 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-ends-equal.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-ends-equal.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [0, 1]
-
 const op = {
   type: 'move_node',
   path: [0, 3],
   newPath: [0, 1],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [0, 2]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-sibling-ends-before.js b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-sibling-ends-before.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-sibling-ends-before.js
rename to packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-sibling-ends-before.tsx
index 3193e260e..8904cb786 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-sibling-ends-before.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-after-to-sibling-ends-before.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [0, 1]
-
 const op = {
   type: 'move_node',
   path: [0, 3],
   newPath: [0, 0],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [0, 2]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-ends-equal.js b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-ends-equal.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-ends-equal.js
rename to packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-ends-equal.tsx
index 0ae955f5a..5bf3c7b29 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-ends-equal.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-ends-equal.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [0, 1]
-
 const op = {
   type: 'move_node',
   path: [0, 0],
   newPath: [0, 1],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [0, 0]
diff --git a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-sibling-ends-after.js b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-sibling-ends-after.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-sibling-ends-after.js
rename to packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-sibling-ends-after.tsx
index 1a9887890..4c8595958 100644
--- a/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-sibling-ends-after.js
+++ b/packages/slate/test/interfaces/Path/transform/move_node/sibling-ends-before-to-sibling-ends-after.tsx
@@ -1,15 +1,12 @@
 import { Path } from 'slate'
 
 const path = [0, 1]
-
 const op = {
   type: 'move_node',
   path: [0, 0],
   newPath: [0, 3],
 }
-
 export const test = () => {
   return Path.transform(path, op)
 }
-
 export const output = [0, 0]
diff --git a/packages/slate/test/interfaces/Point/compare/path-after-offset-after.js b/packages/slate/test/interfaces/Point/compare/path-after-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-after-offset-after.js
rename to packages/slate/test/interfaces/Point/compare/path-after-offset-after.tsx
index 03047e3e5..38e16bf71 100644
--- a/packages/slate/test/interfaces/Point/compare/path-after-offset-after.js
+++ b/packages/slate/test/interfaces/Point/compare/path-after-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = 1
diff --git a/packages/slate/test/interfaces/Point/compare/path-after-offset-before.js b/packages/slate/test/interfaces/Point/compare/path-after-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-after-offset-before.js
rename to packages/slate/test/interfaces/Point/compare/path-after-offset-before.tsx
index 087b8b3dd..298a35d32 100644
--- a/packages/slate/test/interfaces/Point/compare/path-after-offset-before.js
+++ b/packages/slate/test/interfaces/Point/compare/path-after-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = 1
diff --git a/packages/slate/test/interfaces/Point/compare/path-after-offset-equal.js b/packages/slate/test/interfaces/Point/compare/path-after-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-after-offset-equal.js
rename to packages/slate/test/interfaces/Point/compare/path-after-offset-equal.tsx
index bbea857b1..0e204f45a 100644
--- a/packages/slate/test/interfaces/Point/compare/path-after-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/compare/path-after-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = 1
diff --git a/packages/slate/test/interfaces/Point/compare/path-before-offset-after.js b/packages/slate/test/interfaces/Point/compare/path-before-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-before-offset-after.js
rename to packages/slate/test/interfaces/Point/compare/path-before-offset-after.tsx
index ffd3e1b9a..322db5f5c 100644
--- a/packages/slate/test/interfaces/Point/compare/path-before-offset-after.js
+++ b/packages/slate/test/interfaces/Point/compare/path-before-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = -1
diff --git a/packages/slate/test/interfaces/Point/compare/path-before-offset-before.js b/packages/slate/test/interfaces/Point/compare/path-before-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-before-offset-before.js
rename to packages/slate/test/interfaces/Point/compare/path-before-offset-before.tsx
index ad1134ea2..bf27d3083 100644
--- a/packages/slate/test/interfaces/Point/compare/path-before-offset-before.js
+++ b/packages/slate/test/interfaces/Point/compare/path-before-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = -1
diff --git a/packages/slate/test/interfaces/Point/compare/path-before-offset-equal.js b/packages/slate/test/interfaces/Point/compare/path-before-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-before-offset-equal.js
rename to packages/slate/test/interfaces/Point/compare/path-before-offset-equal.tsx
index 130ce8c41..2f4f32d4e 100644
--- a/packages/slate/test/interfaces/Point/compare/path-before-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/compare/path-before-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = -1
diff --git a/packages/slate/test/interfaces/Point/compare/path-equal-offset-after.js b/packages/slate/test/interfaces/Point/compare/path-equal-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-equal-offset-after.js
rename to packages/slate/test/interfaces/Point/compare/path-equal-offset-after.tsx
index 1e3fcb9af..d9726ed4d 100644
--- a/packages/slate/test/interfaces/Point/compare/path-equal-offset-after.js
+++ b/packages/slate/test/interfaces/Point/compare/path-equal-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = 1
diff --git a/packages/slate/test/interfaces/Point/compare/path-equal-offset-before.js b/packages/slate/test/interfaces/Point/compare/path-equal-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-equal-offset-before.js
rename to packages/slate/test/interfaces/Point/compare/path-equal-offset-before.tsx
index 324c7347f..de8bbee75 100644
--- a/packages/slate/test/interfaces/Point/compare/path-equal-offset-before.js
+++ b/packages/slate/test/interfaces/Point/compare/path-equal-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = -1
diff --git a/packages/slate/test/interfaces/Point/compare/path-equal-offset-equal.js b/packages/slate/test/interfaces/Point/compare/path-equal-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/compare/path-equal-offset-equal.js
rename to packages/slate/test/interfaces/Point/compare/path-equal-offset-equal.tsx
index 82a0e172d..21cf37e69 100644
--- a/packages/slate/test/interfaces/Point/compare/path-equal-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/compare/path-equal-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 7,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.compare(point, another)
 }
-
 export const output = 0
diff --git a/packages/slate/test/interfaces/Point/equals/path-after-offset-after.js b/packages/slate/test/interfaces/Point/equals/path-after-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-after-offset-after.js
rename to packages/slate/test/interfaces/Point/equals/path-after-offset-after.tsx
index 42828b806..1c0367c94 100644
--- a/packages/slate/test/interfaces/Point/equals/path-after-offset-after.js
+++ b/packages/slate/test/interfaces/Point/equals/path-after-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-after-offset-before.js b/packages/slate/test/interfaces/Point/equals/path-after-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-after-offset-before.js
rename to packages/slate/test/interfaces/Point/equals/path-after-offset-before.tsx
index 474bdd885..8d75307ae 100644
--- a/packages/slate/test/interfaces/Point/equals/path-after-offset-before.js
+++ b/packages/slate/test/interfaces/Point/equals/path-after-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-after-offset-equal.js b/packages/slate/test/interfaces/Point/equals/path-after-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-after-offset-equal.js
rename to packages/slate/test/interfaces/Point/equals/path-after-offset-equal.tsx
index fc36f852b..27f94b837 100644
--- a/packages/slate/test/interfaces/Point/equals/path-after-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/equals/path-after-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-before-offset-after.js b/packages/slate/test/interfaces/Point/equals/path-before-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-before-offset-after.js
rename to packages/slate/test/interfaces/Point/equals/path-before-offset-after.tsx
index d4678f1dc..8c8c9f4ec 100644
--- a/packages/slate/test/interfaces/Point/equals/path-before-offset-after.js
+++ b/packages/slate/test/interfaces/Point/equals/path-before-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-before-offset-before.js b/packages/slate/test/interfaces/Point/equals/path-before-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-before-offset-before.js
rename to packages/slate/test/interfaces/Point/equals/path-before-offset-before.tsx
index 96652a2fd..3d3ebae9d 100644
--- a/packages/slate/test/interfaces/Point/equals/path-before-offset-before.js
+++ b/packages/slate/test/interfaces/Point/equals/path-before-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-before-offset-equal.js b/packages/slate/test/interfaces/Point/equals/path-before-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-before-offset-equal.js
rename to packages/slate/test/interfaces/Point/equals/path-before-offset-equal.tsx
index 39b1f509c..0da6012ad 100644
--- a/packages/slate/test/interfaces/Point/equals/path-before-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/equals/path-before-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-equal-offset-after.js b/packages/slate/test/interfaces/Point/equals/path-equal-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-equal-offset-after.js
rename to packages/slate/test/interfaces/Point/equals/path-equal-offset-after.tsx
index c6c82d6a8..8cce8e309 100644
--- a/packages/slate/test/interfaces/Point/equals/path-equal-offset-after.js
+++ b/packages/slate/test/interfaces/Point/equals/path-equal-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-equal-offset-before.js b/packages/slate/test/interfaces/Point/equals/path-equal-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-equal-offset-before.js
rename to packages/slate/test/interfaces/Point/equals/path-equal-offset-before.tsx
index 8c88dc969..1584dd225 100644
--- a/packages/slate/test/interfaces/Point/equals/path-equal-offset-before.js
+++ b/packages/slate/test/interfaces/Point/equals/path-equal-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/equals/path-equal-offset-equal.js b/packages/slate/test/interfaces/Point/equals/path-equal-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/equals/path-equal-offset-equal.js
rename to packages/slate/test/interfaces/Point/equals/path-equal-offset-equal.tsx
index 32b0eb171..3e9342833 100644
--- a/packages/slate/test/interfaces/Point/equals/path-equal-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/equals/path-equal-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 7,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.equals(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-after-offset-after.js b/packages/slate/test/interfaces/Point/isAfter/path-after-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-after-offset-after.js
rename to packages/slate/test/interfaces/Point/isAfter/path-after-offset-after.tsx
index 0ba872dde..835ffd3bd 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-after-offset-after.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-after-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-after-offset-before.js b/packages/slate/test/interfaces/Point/isAfter/path-after-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-after-offset-before.js
rename to packages/slate/test/interfaces/Point/isAfter/path-after-offset-before.tsx
index 38ff60c4e..3af693fc6 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-after-offset-before.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-after-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-after-offset-equal.js b/packages/slate/test/interfaces/Point/isAfter/path-after-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-after-offset-equal.js
rename to packages/slate/test/interfaces/Point/isAfter/path-after-offset-equal.tsx
index 742cd520c..b3ff21905 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-after-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-after-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-before-offset-after.js b/packages/slate/test/interfaces/Point/isAfter/path-before-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-before-offset-after.js
rename to packages/slate/test/interfaces/Point/isAfter/path-before-offset-after.tsx
index 6a2f3178f..f8ca41916 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-before-offset-after.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-before-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-before-offset-before.js b/packages/slate/test/interfaces/Point/isAfter/path-before-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-before-offset-before.js
rename to packages/slate/test/interfaces/Point/isAfter/path-before-offset-before.tsx
index ce00dc88b..3685cbed1 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-before-offset-before.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-before-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-before-offset-equal.js b/packages/slate/test/interfaces/Point/isAfter/path-before-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-before-offset-equal.js
rename to packages/slate/test/interfaces/Point/isAfter/path-before-offset-equal.tsx
index c91b89d76..01fb402af 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-before-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-before-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-after.js b/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-equal-offset-after.js
rename to packages/slate/test/interfaces/Point/isAfter/path-equal-offset-after.tsx
index 24ff551ef..577030672 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-after.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-before.js b/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-equal-offset-before.js
rename to packages/slate/test/interfaces/Point/isAfter/path-equal-offset-before.tsx
index d5420fe58..b70413334 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-before.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-equal.js b/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isAfter/path-equal-offset-equal.js
rename to packages/slate/test/interfaces/Point/isAfter/path-equal-offset-equal.tsx
index bae2e2e80..f41efadb9 100644
--- a/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/isAfter/path-equal-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 7,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isAfter(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-after-offset-after.js b/packages/slate/test/interfaces/Point/isBefore/path-after-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-after-offset-after.js
rename to packages/slate/test/interfaces/Point/isBefore/path-after-offset-after.tsx
index 979036234..789c0711f 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-after-offset-after.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-after-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-after-offset-before.js b/packages/slate/test/interfaces/Point/isBefore/path-after-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-after-offset-before.js
rename to packages/slate/test/interfaces/Point/isBefore/path-after-offset-before.tsx
index f48a7c78d..df6cd026e 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-after-offset-before.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-after-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-after-offset-equal.js b/packages/slate/test/interfaces/Point/isBefore/path-after-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-after-offset-equal.js
rename to packages/slate/test/interfaces/Point/isBefore/path-after-offset-equal.tsx
index ac14d6b63..6d6913d79 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-after-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-after-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-before-offset-after.js b/packages/slate/test/interfaces/Point/isBefore/path-before-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-before-offset-after.js
rename to packages/slate/test/interfaces/Point/isBefore/path-before-offset-after.tsx
index 328fb6499..b0644a7df 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-before-offset-after.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-before-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-before-offset-before.js b/packages/slate/test/interfaces/Point/isBefore/path-before-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-before-offset-before.js
rename to packages/slate/test/interfaces/Point/isBefore/path-before-offset-before.tsx
index b05000288..6c7d462bb 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-before-offset-before.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-before-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-before-offset-equal.js b/packages/slate/test/interfaces/Point/isBefore/path-before-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-before-offset-equal.js
rename to packages/slate/test/interfaces/Point/isBefore/path-before-offset-equal.tsx
index 1ddbbf00d..48083bc1c 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-before-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-before-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-after.js b/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-equal-offset-after.js
rename to packages/slate/test/interfaces/Point/isBefore/path-equal-offset-after.tsx
index 33af77b84..28572981f 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-after.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-after.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-before.js b/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-equal-offset-before.js
rename to packages/slate/test/interfaces/Point/isBefore/path-equal-offset-before.tsx
index 87d279994..7b06e7af2 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-before.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-before.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 3,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-equal.js b/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Point/isBefore/path-equal-offset-equal.js
rename to packages/slate/test/interfaces/Point/isBefore/path-equal-offset-equal.tsx
index df619ecef..0b9fce9c1 100644
--- a/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-equal.js
+++ b/packages/slate/test/interfaces/Point/isBefore/path-equal-offset-equal.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 7,
   },
 }
-
 export const test = ({ point, another }) => {
   return Point.isBefore(point, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isPoint/boolean.js b/packages/slate/test/interfaces/Point/isPoint/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/boolean.js
rename to packages/slate/test/interfaces/Point/isPoint/boolean.tsx
index cc8f2693b..6bdc2d859 100644
--- a/packages/slate/test/interfaces/Point/isPoint/boolean.js
+++ b/packages/slate/test/interfaces/Point/isPoint/boolean.tsx
@@ -1,9 +1,7 @@
 import { Point } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isPoint/custom-property.js b/packages/slate/test/interfaces/Point/isPoint/custom-property.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/custom-property.js
rename to packages/slate/test/interfaces/Point/isPoint/custom-property.tsx
index b071a4f46..bdb4f32a2 100644
--- a/packages/slate/test/interfaces/Point/isPoint/custom-property.js
+++ b/packages/slate/test/interfaces/Point/isPoint/custom-property.tsx
@@ -5,9 +5,7 @@ export const input = {
   offset: 0,
   custom: 'value',
 }
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isPoint/object.js b/packages/slate/test/interfaces/Point/isPoint/object.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/object.js
rename to packages/slate/test/interfaces/Point/isPoint/object.tsx
index 247b6f163..ed5bb8d2d 100644
--- a/packages/slate/test/interfaces/Point/isPoint/object.js
+++ b/packages/slate/test/interfaces/Point/isPoint/object.tsx
@@ -1,9 +1,7 @@
 import { Point } from 'slate'
 
 export const input = {}
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isPoint/offset.js b/packages/slate/test/interfaces/Point/isPoint/offset.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/offset.js
rename to packages/slate/test/interfaces/Point/isPoint/offset.tsx
index bc55d68a5..6be1d773e 100644
--- a/packages/slate/test/interfaces/Point/isPoint/offset.js
+++ b/packages/slate/test/interfaces/Point/isPoint/offset.tsx
@@ -1,9 +1,7 @@
 import { Point } from 'slate'
 
 export const input = 42
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isPoint/path.js b/packages/slate/test/interfaces/Point/isPoint/path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/path.js
rename to packages/slate/test/interfaces/Point/isPoint/path.tsx
index 0a7acd13e..8789d4371 100644
--- a/packages/slate/test/interfaces/Point/isPoint/path.js
+++ b/packages/slate/test/interfaces/Point/isPoint/path.tsx
@@ -1,9 +1,7 @@
 import { Point } from 'slate'
 
 export const input = [0, 1]
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isPoint/point.js b/packages/slate/test/interfaces/Point/isPoint/point.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/point.js
rename to packages/slate/test/interfaces/Point/isPoint/point.tsx
index 21a51e6b5..adb7f8018 100644
--- a/packages/slate/test/interfaces/Point/isPoint/point.js
+++ b/packages/slate/test/interfaces/Point/isPoint/point.tsx
@@ -4,9 +4,7 @@ export const input = {
   path: [0, 1],
   offset: 0,
 }
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Point/isPoint/without-offset.js b/packages/slate/test/interfaces/Point/isPoint/without-offset.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/without-offset.js
rename to packages/slate/test/interfaces/Point/isPoint/without-offset.tsx
index cc7db2663..9289b3816 100644
--- a/packages/slate/test/interfaces/Point/isPoint/without-offset.js
+++ b/packages/slate/test/interfaces/Point/isPoint/without-offset.tsx
@@ -3,9 +3,7 @@ import { Point } from 'slate'
 export const input = {
   path: [0, 1],
 }
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Point/isPoint/without-path.js b/packages/slate/test/interfaces/Point/isPoint/without-path.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Point/isPoint/without-path.js
rename to packages/slate/test/interfaces/Point/isPoint/without-path.tsx
index f578ae7ea..155ca0aa0 100644
--- a/packages/slate/test/interfaces/Point/isPoint/without-path.js
+++ b/packages/slate/test/interfaces/Point/isPoint/without-path.tsx
@@ -3,9 +3,7 @@ import { Point } from 'slate'
 export const input = {
   offset: 0,
 }
-
 export const test = value => {
   return Point.isPoint(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/edges/backward.js b/packages/slate/test/interfaces/Range/edges/backward.js
deleted file mode 100644
index 4f3cb386b..000000000
--- a/packages/slate/test/interfaces/Range/edges/backward.js
+++ /dev/null
@@ -1,27 +0,0 @@
-import { Range } from 'slate'
-
-export const input = {
-  anchor: {
-    path: [3],
-    offset: 0,
-  },
-  focus: {
-    path: [0],
-    offset: 0,
-  },
-}
-
-export const test = range => {
-  return Range.edges(range)
-}
-
-export const output = [
-  {
-    path: [0],
-    offset: 0,
-  },
-  {
-    path: [3],
-    offset: 0,
-  },
-]
diff --git a/packages/slate/test/interfaces/Range/edges/collapsed.js b/packages/slate/test/interfaces/Range/edges/collapsed.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/edges/collapsed.js
rename to packages/slate/test/interfaces/Range/edges/collapsed.tsx
index 66e6f24c8..e2230a4ac 100644
--- a/packages/slate/test/interfaces/Range/edges/collapsed.js
+++ b/packages/slate/test/interfaces/Range/edges/collapsed.tsx
@@ -10,11 +10,9 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.edges(range)
 }
-
 export const output = [
   {
     path: [0],
diff --git a/packages/slate/test/interfaces/Range/edges/forward.js b/packages/slate/test/interfaces/Range/edges/forward.js
deleted file mode 100644
index 7cf362edf..000000000
--- a/packages/slate/test/interfaces/Range/edges/forward.js
+++ /dev/null
@@ -1,27 +0,0 @@
-import { Range } from 'slate'
-
-export const input = {
-  anchor: {
-    path: [0],
-    offset: 0,
-  },
-  focus: {
-    path: [3],
-    offset: 0,
-  },
-}
-
-export const test = range => {
-  return Range.edges(range)
-}
-
-export const output = [
-  {
-    path: [0],
-    offset: 0,
-  },
-  {
-    path: [3],
-    offset: 0,
-  },
-]
diff --git a/packages/slate/test/interfaces/Range/equals/equal.js b/packages/slate/test/interfaces/Range/equals/equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/equals/equal.js
rename to packages/slate/test/interfaces/Range/equals/equal.tsx
index 7906da275..dc57d351c 100644
--- a/packages/slate/test/interfaces/Range/equals/equal.js
+++ b/packages/slate/test/interfaces/Range/equals/equal.tsx
@@ -22,9 +22,7 @@ export const input = {
     },
   },
 }
-
 export const test = ({ range, another }) => {
   return Range.equals(range, another)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/equals/not-equal.js b/packages/slate/test/interfaces/Range/equals/not-equal.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/equals/not-equal.js
rename to packages/slate/test/interfaces/Range/equals/not-equal.tsx
index 376f35a10..93aff20bf 100644
--- a/packages/slate/test/interfaces/Range/equals/not-equal.js
+++ b/packages/slate/test/interfaces/Range/equals/not-equal.tsx
@@ -22,9 +22,7 @@ export const input = {
     },
   },
 }
-
 export const test = ({ range, another }) => {
   return Range.equals(range, another)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/includes/path-after.js b/packages/slate/test/interfaces/Range/includes/path-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/path-after.js
rename to packages/slate/test/interfaces/Range/includes/path-after.tsx
index 259b703e3..3fc7eb74a 100644
--- a/packages/slate/test/interfaces/Range/includes/path-after.js
+++ b/packages/slate/test/interfaces/Range/includes/path-after.tsx
@@ -13,9 +13,7 @@ export const input = {
   },
   target: [4],
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/includes/path-before.js b/packages/slate/test/interfaces/Range/includes/path-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/path-before.js
rename to packages/slate/test/interfaces/Range/includes/path-before.tsx
index a5d2235a4..8cb7f66ec 100644
--- a/packages/slate/test/interfaces/Range/includes/path-before.js
+++ b/packages/slate/test/interfaces/Range/includes/path-before.tsx
@@ -13,9 +13,7 @@ export const input = {
   },
   target: [0],
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/includes/path-end.js b/packages/slate/test/interfaces/Range/includes/path-end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/path-end.js
rename to packages/slate/test/interfaces/Range/includes/path-end.tsx
index ce79d0726..c867b343d 100644
--- a/packages/slate/test/interfaces/Range/includes/path-end.js
+++ b/packages/slate/test/interfaces/Range/includes/path-end.tsx
@@ -13,9 +13,7 @@ export const input = {
   },
   target: [3],
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/includes/path-inside.js b/packages/slate/test/interfaces/Range/includes/path-inside.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/path-inside.js
rename to packages/slate/test/interfaces/Range/includes/path-inside.tsx
index eaa6422e1..3e07481d4 100644
--- a/packages/slate/test/interfaces/Range/includes/path-inside.js
+++ b/packages/slate/test/interfaces/Range/includes/path-inside.tsx
@@ -13,9 +13,7 @@ export const input = {
   },
   target: [2],
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/includes/path-start.js b/packages/slate/test/interfaces/Range/includes/path-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/path-start.js
rename to packages/slate/test/interfaces/Range/includes/path-start.tsx
index 5be6a3bac..d25b234a4 100644
--- a/packages/slate/test/interfaces/Range/includes/path-start.js
+++ b/packages/slate/test/interfaces/Range/includes/path-start.tsx
@@ -13,9 +13,7 @@ export const input = {
   },
   target: [1],
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/includes/point-end.js b/packages/slate/test/interfaces/Range/includes/point-end.js
deleted file mode 100644
index 12a5416a0..000000000
--- a/packages/slate/test/interfaces/Range/includes/point-end.js
+++ /dev/null
@@ -1,24 +0,0 @@
-import { Range } from 'slate'
-
-export const input = {
-  range: {
-    anchor: {
-      path: [1],
-      offset: 0,
-    },
-    focus: {
-      path: [3],
-      offset: 0,
-    },
-  },
-  target: {
-    path: [3],
-    offset: 0,
-  },
-}
-
-export const test = ({ range, target }) => {
-  return Range.includes(range, target)
-}
-
-export const output = true
diff --git a/packages/slate/test/interfaces/Range/includes/point-inside.js b/packages/slate/test/interfaces/Range/includes/point-inside.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/point-inside.js
rename to packages/slate/test/interfaces/Range/includes/point-inside.tsx
index 1ecf3fd62..a5d3ef0f3 100644
--- a/packages/slate/test/interfaces/Range/includes/point-inside.js
+++ b/packages/slate/test/interfaces/Range/includes/point-inside.tsx
@@ -16,9 +16,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/includes/point-offset-after.js b/packages/slate/test/interfaces/Range/includes/point-offset-after.js
deleted file mode 100644
index 01608fd9d..000000000
--- a/packages/slate/test/interfaces/Range/includes/point-offset-after.js
+++ /dev/null
@@ -1,24 +0,0 @@
-import { Range } from 'slate'
-
-export const input = {
-  range: {
-    anchor: {
-      path: [1],
-      offset: 0,
-    },
-    focus: {
-      path: [3],
-      offset: 0,
-    },
-  },
-  target: {
-    path: [3],
-    offset: 3,
-  },
-}
-
-export const test = ({ range, target }) => {
-  return Range.includes(range, target)
-}
-
-export const output = false
diff --git a/packages/slate/test/interfaces/Range/includes/point-offset-before.js b/packages/slate/test/interfaces/Range/includes/point-offset-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/point-offset-before.js
rename to packages/slate/test/interfaces/Range/includes/point-offset-before.tsx
index 4176bcdc6..f81dcccf6 100644
--- a/packages/slate/test/interfaces/Range/includes/point-offset-before.js
+++ b/packages/slate/test/interfaces/Range/includes/point-offset-before.tsx
@@ -16,9 +16,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/includes/point-path-after.js b/packages/slate/test/interfaces/Range/includes/point-path-after.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/point-path-after.js
rename to packages/slate/test/interfaces/Range/includes/point-path-after.tsx
index 6f2f57a87..231fe8766 100644
--- a/packages/slate/test/interfaces/Range/includes/point-path-after.js
+++ b/packages/slate/test/interfaces/Range/includes/point-path-after.tsx
@@ -16,9 +16,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/includes/point-path-before.js b/packages/slate/test/interfaces/Range/includes/point-path-before.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/point-path-before.js
rename to packages/slate/test/interfaces/Range/includes/point-path-before.tsx
index 67e905cf4..eb89c11e8 100644
--- a/packages/slate/test/interfaces/Range/includes/point-path-before.js
+++ b/packages/slate/test/interfaces/Range/includes/point-path-before.tsx
@@ -16,9 +16,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/includes/point-start.js b/packages/slate/test/interfaces/Range/includes/point-start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/includes/point-start.js
rename to packages/slate/test/interfaces/Range/includes/point-start.tsx
index 8482569f5..6c4027508 100644
--- a/packages/slate/test/interfaces/Range/includes/point-start.js
+++ b/packages/slate/test/interfaces/Range/includes/point-start.tsx
@@ -16,9 +16,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = ({ range, target }) => {
   return Range.includes(range, target)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isBackward/backward.js b/packages/slate/test/interfaces/Range/isBackward/backward.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isBackward/backward.js
rename to packages/slate/test/interfaces/Range/isBackward/backward.tsx
index 561297ef7..2f9e435cd 100644
--- a/packages/slate/test/interfaces/Range/isBackward/backward.js
+++ b/packages/slate/test/interfaces/Range/isBackward/backward.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isBackward(range)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isBackward/collapsed.js b/packages/slate/test/interfaces/Range/isBackward/collapsed.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isBackward/collapsed.js
rename to packages/slate/test/interfaces/Range/isBackward/collapsed.tsx
index f72bc1004..4b2ffb325 100644
--- a/packages/slate/test/interfaces/Range/isBackward/collapsed.js
+++ b/packages/slate/test/interfaces/Range/isBackward/collapsed.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isBackward(range)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isBackward/forward.js b/packages/slate/test/interfaces/Range/isBackward/forward.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isBackward/forward.js
rename to packages/slate/test/interfaces/Range/isBackward/forward.tsx
index 45b080c11..d61a9bed6 100644
--- a/packages/slate/test/interfaces/Range/isBackward/forward.js
+++ b/packages/slate/test/interfaces/Range/isBackward/forward.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isBackward(range)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isCollapsed/collapsed.js b/packages/slate/test/interfaces/Range/isCollapsed/collapsed.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isCollapsed/collapsed.js
rename to packages/slate/test/interfaces/Range/isCollapsed/collapsed.tsx
index 39b5d35a9..a0f244466 100644
--- a/packages/slate/test/interfaces/Range/isCollapsed/collapsed.js
+++ b/packages/slate/test/interfaces/Range/isCollapsed/collapsed.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isCollapsed(range)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isCollapsed/expanded.js b/packages/slate/test/interfaces/Range/isCollapsed/expanded.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isCollapsed/expanded.js
rename to packages/slate/test/interfaces/Range/isCollapsed/expanded.tsx
index 7f369bfd6..ca33f5bd8 100644
--- a/packages/slate/test/interfaces/Range/isCollapsed/expanded.js
+++ b/packages/slate/test/interfaces/Range/isCollapsed/expanded.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isCollapsed(range)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isExpanded/collapsed.js b/packages/slate/test/interfaces/Range/isExpanded/collapsed.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isExpanded/collapsed.js
rename to packages/slate/test/interfaces/Range/isExpanded/collapsed.tsx
index 3dd570b6f..0893c8af7 100644
--- a/packages/slate/test/interfaces/Range/isExpanded/collapsed.js
+++ b/packages/slate/test/interfaces/Range/isExpanded/collapsed.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isExpanded(range)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isExpanded/expanded.js b/packages/slate/test/interfaces/Range/isExpanded/expanded.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isExpanded/expanded.js
rename to packages/slate/test/interfaces/Range/isExpanded/expanded.tsx
index 651a2a083..5765916cb 100644
--- a/packages/slate/test/interfaces/Range/isExpanded/expanded.js
+++ b/packages/slate/test/interfaces/Range/isExpanded/expanded.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isExpanded(range)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isForward/backward.js b/packages/slate/test/interfaces/Range/isForward/backward.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isForward/backward.js
rename to packages/slate/test/interfaces/Range/isForward/backward.tsx
index 5b52db7b1..81cf217b2 100644
--- a/packages/slate/test/interfaces/Range/isForward/backward.js
+++ b/packages/slate/test/interfaces/Range/isForward/backward.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isForward(range)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isForward/collapsed.js b/packages/slate/test/interfaces/Range/isForward/collapsed.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isForward/collapsed.js
rename to packages/slate/test/interfaces/Range/isForward/collapsed.tsx
index 99affc9bb..1eec2eb4b 100644
--- a/packages/slate/test/interfaces/Range/isForward/collapsed.js
+++ b/packages/slate/test/interfaces/Range/isForward/collapsed.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isForward(range)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isForward/forward.js b/packages/slate/test/interfaces/Range/isForward/forward.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isForward/forward.js
rename to packages/slate/test/interfaces/Range/isForward/forward.tsx
index 21ef55627..03a7c4211 100644
--- a/packages/slate/test/interfaces/Range/isForward/forward.js
+++ b/packages/slate/test/interfaces/Range/isForward/forward.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = range => {
   return Range.isForward(range)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isRange/boolean.js b/packages/slate/test/interfaces/Range/isRange/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Range/isRange/boolean.js
rename to packages/slate/test/interfaces/Range/isRange/boolean.tsx
index 976cf2dfe..a0068f743 100644
--- a/packages/slate/test/interfaces/Range/isRange/boolean.js
+++ b/packages/slate/test/interfaces/Range/isRange/boolean.tsx
@@ -1,9 +1,7 @@
 import { Range } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Range.isRange(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isRange/custom-property.js b/packages/slate/test/interfaces/Range/isRange/custom-property.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isRange/custom-property.js
rename to packages/slate/test/interfaces/Range/isRange/custom-property.tsx
index 7493dc396..5fa6b8cf9 100644
--- a/packages/slate/test/interfaces/Range/isRange/custom-property.js
+++ b/packages/slate/test/interfaces/Range/isRange/custom-property.tsx
@@ -11,9 +11,7 @@ export const input = {
   },
   custom: 'value',
 }
-
 export const test = value => {
   return Range.isRange(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isRange/object.js b/packages/slate/test/interfaces/Range/isRange/object.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Range/isRange/object.js
rename to packages/slate/test/interfaces/Range/isRange/object.tsx
index 4c7bfa1ae..886a7c3e6 100644
--- a/packages/slate/test/interfaces/Range/isRange/object.js
+++ b/packages/slate/test/interfaces/Range/isRange/object.tsx
@@ -1,9 +1,7 @@
 import { Range } from 'slate'
 
 export const input = {}
-
 export const test = value => {
   return Range.isRange(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isRange/range.js b/packages/slate/test/interfaces/Range/isRange/range.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/isRange/range.js
rename to packages/slate/test/interfaces/Range/isRange/range.tsx
index 5a51576ca..a92ee203a 100644
--- a/packages/slate/test/interfaces/Range/isRange/range.js
+++ b/packages/slate/test/interfaces/Range/isRange/range.tsx
@@ -10,9 +10,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = value => {
   return Range.isRange(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Range/isRange/without-anchor.js b/packages/slate/test/interfaces/Range/isRange/without-anchor.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Range/isRange/without-anchor.js
rename to packages/slate/test/interfaces/Range/isRange/without-anchor.tsx
index a111399e6..c7f8e29d8 100644
--- a/packages/slate/test/interfaces/Range/isRange/without-anchor.js
+++ b/packages/slate/test/interfaces/Range/isRange/without-anchor.tsx
@@ -6,9 +6,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = value => {
   return Range.isRange(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/isRange/without-focus.js b/packages/slate/test/interfaces/Range/isRange/without-focus.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Range/isRange/without-focus.js
rename to packages/slate/test/interfaces/Range/isRange/without-focus.tsx
index 4e2c5decb..103a5042b 100644
--- a/packages/slate/test/interfaces/Range/isRange/without-focus.js
+++ b/packages/slate/test/interfaces/Range/isRange/without-focus.tsx
@@ -6,9 +6,7 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = value => {
   return Range.isRange(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Range/points/full-selection.js b/packages/slate/test/interfaces/Range/points/full-selection.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Range/points/full-selection.js
rename to packages/slate/test/interfaces/Range/points/full-selection.tsx
index 34c66d9b4..3be889a65 100644
--- a/packages/slate/test/interfaces/Range/points/full-selection.js
+++ b/packages/slate/test/interfaces/Range/points/full-selection.tsx
@@ -10,11 +10,9 @@ export const input = {
     offset: 0,
   },
 }
-
 export const test = value => {
   return Array.from(Range.points(value))
 }
-
 export const output = [
   [input.anchor, 'anchor'],
   [input.focus, 'focus'],
diff --git a/packages/slate/test/interfaces/Text/decorations/end.js b/packages/slate/test/interfaces/Text/decorations/end.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/decorations/end.js
rename to packages/slate/test/interfaces/Text/decorations/end.tsx
index dadd76c7f..7d2b48a7e 100644
--- a/packages/slate/test/interfaces/Text/decorations/end.js
+++ b/packages/slate/test/interfaces/Text/decorations/end.tsx
@@ -13,11 +13,9 @@ export const input = [
     decoration: 'decoration',
   },
 ]
-
 export const test = decorations => {
   return Text.decorations({ text: 'abc', mark: 'mark' }, decorations)
 }
-
 export const output = [
   {
     text: 'ab',
diff --git a/packages/slate/test/interfaces/Text/decorations/middle.js b/packages/slate/test/interfaces/Text/decorations/middle.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/decorations/middle.js
rename to packages/slate/test/interfaces/Text/decorations/middle.tsx
index 983a61297..601ac90ed 100644
--- a/packages/slate/test/interfaces/Text/decorations/middle.js
+++ b/packages/slate/test/interfaces/Text/decorations/middle.tsx
@@ -13,11 +13,9 @@ export const input = [
     decoration: 'decoration',
   },
 ]
-
 export const test = decorations => {
   return Text.decorations({ text: 'abc', mark: 'mark' }, decorations)
 }
-
 export const output = [
   {
     text: 'a',
diff --git a/packages/slate/test/interfaces/Text/decorations/overlapping.js b/packages/slate/test/interfaces/Text/decorations/overlapping.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/decorations/overlapping.js
rename to packages/slate/test/interfaces/Text/decorations/overlapping.tsx
index 2dd83d785..e54bf25b9 100644
--- a/packages/slate/test/interfaces/Text/decorations/overlapping.js
+++ b/packages/slate/test/interfaces/Text/decorations/overlapping.tsx
@@ -24,11 +24,9 @@ export const input = [
     decoration2: 'decoration2',
   },
 ]
-
 export const test = decorations => {
   return Text.decorations({ text: 'abc', mark: 'mark' }, decorations)
 }
-
 export const output = [
   {
     text: 'a',
diff --git a/packages/slate/test/interfaces/Text/decorations/start.js b/packages/slate/test/interfaces/Text/decorations/start.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/decorations/start.js
rename to packages/slate/test/interfaces/Text/decorations/start.tsx
index 53db2dfe4..20094968f 100644
--- a/packages/slate/test/interfaces/Text/decorations/start.js
+++ b/packages/slate/test/interfaces/Text/decorations/start.tsx
@@ -13,11 +13,9 @@ export const input = [
     decoration: 'decoration',
   },
 ]
-
 export const test = decorations => {
   return Text.decorations({ text: 'abc', mark: 'mark' }, decorations)
 }
-
 export const output = [
   {
     text: 'a',
diff --git a/packages/slate/test/interfaces/Text/isText/boolean.js b/packages/slate/test/interfaces/Text/isText/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isText/boolean.js
rename to packages/slate/test/interfaces/Text/isText/boolean.tsx
index c4fe584cc..b7a666fb5 100644
--- a/packages/slate/test/interfaces/Text/isText/boolean.js
+++ b/packages/slate/test/interfaces/Text/isText/boolean.tsx
@@ -1,9 +1,7 @@
 import { Text } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Text.isText(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/isText/custom-property.js b/packages/slate/test/interfaces/Text/isText/custom-property.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isText/custom-property.js
rename to packages/slate/test/interfaces/Text/isText/custom-property.tsx
index 93702646b..047781261 100644
--- a/packages/slate/test/interfaces/Text/isText/custom-property.js
+++ b/packages/slate/test/interfaces/Text/isText/custom-property.tsx
@@ -2,12 +2,9 @@ import { Text } from 'slate'
 
 export const input = {
   text: '',
-
   custom: true,
 }
-
 export const test = value => {
   return Text.isText(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Text/isText/object.js b/packages/slate/test/interfaces/Text/isText/object.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isText/object.js
rename to packages/slate/test/interfaces/Text/isText/object.tsx
index 2ce196777..120648767 100644
--- a/packages/slate/test/interfaces/Text/isText/object.js
+++ b/packages/slate/test/interfaces/Text/isText/object.tsx
@@ -1,9 +1,7 @@
 import { Text } from 'slate'
 
 export const input = {}
-
 export const test = value => {
   return Text.isText(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/isText/text-full.js b/packages/slate/test/interfaces/Text/isText/text-full.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isText/text-full.js
rename to packages/slate/test/interfaces/Text/isText/text-full.tsx
index 6e511e180..f55dbed74 100644
--- a/packages/slate/test/interfaces/Text/isText/text-full.js
+++ b/packages/slate/test/interfaces/Text/isText/text-full.tsx
@@ -3,9 +3,7 @@ import { Text } from 'slate'
 export const input = {
   text: 'string',
 }
-
 export const test = value => {
   return Text.isText(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Text/isText/text.js b/packages/slate/test/interfaces/Text/isText/text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isText/text.js
rename to packages/slate/test/interfaces/Text/isText/text.tsx
index 0724d61a4..b96a0122b 100644
--- a/packages/slate/test/interfaces/Text/isText/text.js
+++ b/packages/slate/test/interfaces/Text/isText/text.tsx
@@ -3,9 +3,7 @@ import { Text } from 'slate'
 export const input = {
   text: '',
 }
-
 export const test = value => {
   return Text.isText(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Text/isText/without-text.js b/packages/slate/test/interfaces/Text/isText/without-text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isText/without-text.js
rename to packages/slate/test/interfaces/Text/isText/without-text.tsx
index 2ce196777..120648767 100644
--- a/packages/slate/test/interfaces/Text/isText/without-text.js
+++ b/packages/slate/test/interfaces/Text/isText/without-text.tsx
@@ -1,9 +1,7 @@
 import { Text } from 'slate'
 
 export const input = {}
-
 export const test = value => {
   return Text.isText(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/isTextList/boolean.js b/packages/slate/test/interfaces/Text/isTextList/boolean.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isTextList/boolean.js
rename to packages/slate/test/interfaces/Text/isTextList/boolean.tsx
index f9d4baedc..a9c9380c9 100644
--- a/packages/slate/test/interfaces/Text/isTextList/boolean.js
+++ b/packages/slate/test/interfaces/Text/isTextList/boolean.tsx
@@ -1,9 +1,7 @@
 import { Text } from 'slate'
 
 export const input = true
-
 export const test = value => {
   return Text.isTextList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/isTextList/empty.js b/packages/slate/test/interfaces/Text/isTextList/empty.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isTextList/empty.js
rename to packages/slate/test/interfaces/Text/isTextList/empty.tsx
index dd664f322..c15bb36af 100644
--- a/packages/slate/test/interfaces/Text/isTextList/empty.js
+++ b/packages/slate/test/interfaces/Text/isTextList/empty.tsx
@@ -1,9 +1,7 @@
 import { Text } from 'slate'
 
 export const input = []
-
 export const test = value => {
   return Text.isTextList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Text/isTextList/full-element.js b/packages/slate/test/interfaces/Text/isTextList/full-element.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isTextList/full-element.js
rename to packages/slate/test/interfaces/Text/isTextList/full-element.tsx
index a12cce25a..ef900fd97 100644
--- a/packages/slate/test/interfaces/Text/isTextList/full-element.js
+++ b/packages/slate/test/interfaces/Text/isTextList/full-element.tsx
@@ -5,9 +5,7 @@ export const input = [
     children: [],
   },
 ]
-
 export const test = value => {
   return Text.isTextList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/isTextList/full-text.js b/packages/slate/test/interfaces/Text/isTextList/full-text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isTextList/full-text.js
rename to packages/slate/test/interfaces/Text/isTextList/full-text.tsx
index 3bfb60c75..12a43c547 100644
--- a/packages/slate/test/interfaces/Text/isTextList/full-text.js
+++ b/packages/slate/test/interfaces/Text/isTextList/full-text.tsx
@@ -5,9 +5,7 @@ export const input = [
     text: '',
   },
 ]
-
 export const test = value => {
   return Text.isTextList(value)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Text/isTextList/full-value.js b/packages/slate/test/interfaces/Text/isTextList/full-value.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isTextList/full-value.js
rename to packages/slate/test/interfaces/Text/isTextList/full-value.tsx
index 460acb5d2..5ddea8c0c 100644
--- a/packages/slate/test/interfaces/Text/isTextList/full-value.js
+++ b/packages/slate/test/interfaces/Text/isTextList/full-value.tsx
@@ -6,9 +6,7 @@ export const input = [
     selection: null,
   },
 ]
-
 export const test = value => {
   return Text.isTextList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/isTextList/text.js b/packages/slate/test/interfaces/Text/isTextList/text.tsx
similarity index 98%
rename from packages/slate/test/interfaces/Text/isTextList/text.js
rename to packages/slate/test/interfaces/Text/isTextList/text.tsx
index 58867e84a..69684e28e 100644
--- a/packages/slate/test/interfaces/Text/isTextList/text.js
+++ b/packages/slate/test/interfaces/Text/isTextList/text.tsx
@@ -3,9 +3,7 @@ import { Text } from 'slate'
 export const input = {
   text: '',
 }
-
 export const test = value => {
   return Text.isTextList(value)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/matches/empty-true.js b/packages/slate/test/interfaces/Text/matches/empty-true.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/matches/empty-true.js
rename to packages/slate/test/interfaces/Text/matches/empty-true.tsx
index 8b9eddab8..a7063107f 100644
--- a/packages/slate/test/interfaces/Text/matches/empty-true.js
+++ b/packages/slate/test/interfaces/Text/matches/empty-true.tsx
@@ -4,9 +4,7 @@ export const input = {
   text: { text: '', bold: true },
   props: {},
 }
-
 export const test = ({ text, props }) => {
   return Text.matches(text, props)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Text/matches/match-false.js b/packages/slate/test/interfaces/Text/matches/match-false.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/matches/match-false.js
rename to packages/slate/test/interfaces/Text/matches/match-false.tsx
index 6473c0ab9..8900106a1 100644
--- a/packages/slate/test/interfaces/Text/matches/match-false.js
+++ b/packages/slate/test/interfaces/Text/matches/match-false.tsx
@@ -4,9 +4,7 @@ export const input = {
   text: { text: '', bold: true },
   props: { italic: true },
 }
-
 export const test = ({ text, props }) => {
   return Text.matches(text, props)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/matches/match-true.js b/packages/slate/test/interfaces/Text/matches/match-true.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/matches/match-true.js
rename to packages/slate/test/interfaces/Text/matches/match-true.tsx
index db4c5b820..c9a38778c 100644
--- a/packages/slate/test/interfaces/Text/matches/match-true.js
+++ b/packages/slate/test/interfaces/Text/matches/match-true.tsx
@@ -4,9 +4,7 @@ export const input = {
   text: { text: '', bold: true },
   props: { bold: true },
 }
-
 export const test = ({ text, props }) => {
   return Text.matches(text, props)
 }
-
 export const output = true
diff --git a/packages/slate/test/interfaces/Text/matches/partial-false.js b/packages/slate/test/interfaces/Text/matches/partial-false.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/matches/partial-false.js
rename to packages/slate/test/interfaces/Text/matches/partial-false.tsx
index f81ef1362..53a722a73 100644
--- a/packages/slate/test/interfaces/Text/matches/partial-false.js
+++ b/packages/slate/test/interfaces/Text/matches/partial-false.tsx
@@ -4,9 +4,7 @@ export const input = {
   text: { text: '', bold: true, italic: true },
   props: { underline: true },
 }
-
 export const test = ({ text, props }) => {
   return Text.matches(text, props)
 }
-
 export const output = false
diff --git a/packages/slate/test/interfaces/Text/matches/partial-true.js b/packages/slate/test/interfaces/Text/matches/partial-true.tsx
similarity index 99%
rename from packages/slate/test/interfaces/Text/matches/partial-true.js
rename to packages/slate/test/interfaces/Text/matches/partial-true.tsx
index 51f29204e..4626d35c5 100644
--- a/packages/slate/test/interfaces/Text/matches/partial-true.js
+++ b/packages/slate/test/interfaces/Text/matches/partial-true.tsx
@@ -4,9 +4,7 @@ export const input = {
   text: { text: '', bold: true, italic: true },
   props: { bold: true },
 }
-
 export const test = ({ text, props }) => {
   return Text.matches(text, props)
 }
-
 export const output = true
diff --git a/packages/slate/test/normalization/block/insert-text.js b/packages/slate/test/normalization/block/insert-text.tsx
similarity index 98%
rename from packages/slate/test/normalization/block/insert-text.js
rename to packages/slate/test/normalization/block/insert-text.tsx
index 415aaff23..52ec356eb 100644
--- a/packages/slate/test/normalization/block/insert-text.js
+++ b/packages/slate/test/normalization/block/insert-text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <block />
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/block/remove-block.js b/packages/slate/test/normalization/block/remove-block.tsx
similarity index 99%
rename from packages/slate/test/normalization/block/remove-block.js
rename to packages/slate/test/normalization/block/remove-block.tsx
index 4fcf02365..cc5d1e27d 100644
--- a/packages/slate/test/normalization/block/remove-block.js
+++ b/packages/slate/test/normalization/block/remove-block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/block/remove-inline.js b/packages/slate/test/normalization/block/remove-inline.tsx
similarity index 99%
rename from packages/slate/test/normalization/block/remove-inline.js
rename to packages/slate/test/normalization/block/remove-inline.tsx
index 144bd0c12..908440ada 100644
--- a/packages/slate/test/normalization/block/remove-inline.js
+++ b/packages/slate/test/normalization/block/remove-inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/editor/remove-inline.js b/packages/slate/test/normalization/editor/remove-inline.tsx
similarity index 99%
rename from packages/slate/test/normalization/editor/remove-inline.js
rename to packages/slate/test/normalization/editor/remove-inline.tsx
index dc71a118e..e6caadc28 100644
--- a/packages/slate/test/normalization/editor/remove-inline.js
+++ b/packages/slate/test/normalization/editor/remove-inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -8,7 +7,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>two</block>
diff --git a/packages/slate/test/normalization/editor/remove-text.js b/packages/slate/test/normalization/editor/remove-text.tsx
similarity index 99%
rename from packages/slate/test/normalization/editor/remove-text.js
rename to packages/slate/test/normalization/editor/remove-text.tsx
index 3076f0267..aefd94d3e 100644
--- a/packages/slate/test/normalization/editor/remove-text.js
+++ b/packages/slate/test/normalization/editor/remove-text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -8,7 +7,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>two</block>
diff --git a/packages/slate/test/normalization/inline/insert-adjacent-text.js b/packages/slate/test/normalization/inline/insert-adjacent-text.tsx
similarity index 99%
rename from packages/slate/test/normalization/inline/insert-adjacent-text.js
rename to packages/slate/test/normalization/inline/insert-adjacent-text.tsx
index 976482549..06917a6cf 100644
--- a/packages/slate/test/normalization/inline/insert-adjacent-text.js
+++ b/packages/slate/test/normalization/inline/insert-adjacent-text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/inline/remove-block.js b/packages/slate/test/normalization/inline/remove-block.tsx
similarity index 99%
rename from packages/slate/test/normalization/inline/remove-block.js
rename to packages/slate/test/normalization/inline/remove-block.tsx
index 67ec40cfa..f8c7d292a 100644
--- a/packages/slate/test/normalization/inline/remove-block.js
+++ b/packages/slate/test/normalization/inline/remove-block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -14,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/text/merge-adjacent-empty.js b/packages/slate/test/normalization/text/merge-adjacent-empty.tsx
similarity index 99%
rename from packages/slate/test/normalization/text/merge-adjacent-empty.js
rename to packages/slate/test/normalization/text/merge-adjacent-empty.tsx
index e878b119c..b84e03f2c 100644
--- a/packages/slate/test/normalization/text/merge-adjacent-empty.js
+++ b/packages/slate/test/normalization/text/merge-adjacent-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/text/merge-adjacent-match-empty.js b/packages/slate/test/normalization/text/merge-adjacent-match-empty.tsx
similarity index 99%
rename from packages/slate/test/normalization/text/merge-adjacent-match-empty.js
rename to packages/slate/test/normalization/text/merge-adjacent-match-empty.tsx
index e9d67895c..329eff9c4 100644
--- a/packages/slate/test/normalization/text/merge-adjacent-match-empty.js
+++ b/packages/slate/test/normalization/text/merge-adjacent-match-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/text/merge-adjacent-match.js b/packages/slate/test/normalization/text/merge-adjacent-match.tsx
similarity index 99%
rename from packages/slate/test/normalization/text/merge-adjacent-match.js
rename to packages/slate/test/normalization/text/merge-adjacent-match.tsx
index f51237283..23662a642 100644
--- a/packages/slate/test/normalization/text/merge-adjacent-match.js
+++ b/packages/slate/test/normalization/text/merge-adjacent-match.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/normalization/void/block-insert-text.js b/packages/slate/test/normalization/void/block-insert-text.tsx
similarity index 99%
rename from packages/slate/test/normalization/void/block-insert-text.js
rename to packages/slate/test/normalization/void/block-insert-text.tsx
index 3f287c493..2fe583976 100644
--- a/packages/slate/test/normalization/void/block-insert-text.js
+++ b/packages/slate/test/normalization/void/block-insert-text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -7,7 +6,6 @@ export const input = (
     <block void />
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/normalization/void/inline-insert-text.js b/packages/slate/test/normalization/void/inline-insert-text.tsx
similarity index 99%
rename from packages/slate/test/normalization/void/inline-insert-text.js
rename to packages/slate/test/normalization/void/inline-insert-text.tsx
index b374a3d50..39cbd5d01 100644
--- a/packages/slate/test/normalization/void/inline-insert-text.js
+++ b/packages/slate/test/normalization/void/inline-insert-text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from '../..'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/operations/move_node/path-equals-new-path.js b/packages/slate/test/operations/move_node/path-equals-new-path.tsx
similarity index 99%
rename from packages/slate/test/operations/move_node/path-equals-new-path.js
rename to packages/slate/test/operations/move_node/path-equals-new-path.tsx
index 1a1b63433..6c85a2be9 100644
--- a/packages/slate/test/operations/move_node/path-equals-new-path.js
+++ b/packages/slate/test/operations/move_node/path-equals-new-path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -8,7 +7,6 @@ export const input = (
     <element>2</element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'move_node',
@@ -16,7 +14,6 @@ export const operations = [
     newPath: [0],
   },
 ]
-
 export const output = (
   <editor>
     <element>1</element>
diff --git a/packages/slate/test/operations/remove_text/anchor-after.js b/packages/slate/test/operations/remove_text/anchor-after.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/anchor-after.js
rename to packages/slate/test/operations/remove_text/anchor-after.tsx
index 784c57e6b..8ec8468c8 100644
--- a/packages/slate/test/operations/remove_text/anchor-after.js
+++ b/packages/slate/test/operations/remove_text/anchor-after.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -19,7 +17,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/anchor-before.js b/packages/slate/test/operations/remove_text/anchor-before.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/anchor-before.js
rename to packages/slate/test/operations/remove_text/anchor-before.tsx
index d58ee0d0c..3e90a2694 100644
--- a/packages/slate/test/operations/remove_text/anchor-before.js
+++ b/packages/slate/test/operations/remove_text/anchor-before.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -20,7 +18,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/anchor-middle.js b/packages/slate/test/operations/remove_text/anchor-middle.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/anchor-middle.js
rename to packages/slate/test/operations/remove_text/anchor-middle.tsx
index 6469c8cc7..2f6df6b6c 100644
--- a/packages/slate/test/operations/remove_text/anchor-middle.js
+++ b/packages/slate/test/operations/remove_text/anchor-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -12,7 +11,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -21,7 +19,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/cursor-after.js b/packages/slate/test/operations/remove_text/cursor-after.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/cursor-after.js
rename to packages/slate/test/operations/remove_text/cursor-after.tsx
index 41da3857c..d58555c2f 100644
--- a/packages/slate/test/operations/remove_text/cursor-after.js
+++ b/packages/slate/test/operations/remove_text/cursor-after.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -19,7 +17,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/cursor-before.js b/packages/slate/test/operations/remove_text/cursor-before.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/cursor-before.js
rename to packages/slate/test/operations/remove_text/cursor-before.tsx
index e78595bfe..a11c462c5 100644
--- a/packages/slate/test/operations/remove_text/cursor-before.js
+++ b/packages/slate/test/operations/remove_text/cursor-before.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -19,7 +17,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/cursor-middle.js b/packages/slate/test/operations/remove_text/cursor-middle.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/cursor-middle.js
rename to packages/slate/test/operations/remove_text/cursor-middle.tsx
index c84d624fc..2d38f6d8e 100644
--- a/packages/slate/test/operations/remove_text/cursor-middle.js
+++ b/packages/slate/test/operations/remove_text/cursor-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -20,7 +18,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/focus-after.js b/packages/slate/test/operations/remove_text/focus-after.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/focus-after.js
rename to packages/slate/test/operations/remove_text/focus-after.tsx
index 615931bc1..1dde4b25a 100644
--- a/packages/slate/test/operations/remove_text/focus-after.js
+++ b/packages/slate/test/operations/remove_text/focus-after.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -11,7 +10,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -20,7 +18,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/focus-before.js b/packages/slate/test/operations/remove_text/focus-before.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/focus-before.js
rename to packages/slate/test/operations/remove_text/focus-before.tsx
index acd8b24e8..a5d18a1a8 100644
--- a/packages/slate/test/operations/remove_text/focus-before.js
+++ b/packages/slate/test/operations/remove_text/focus-before.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -10,7 +9,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -19,7 +17,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/operations/remove_text/focus-middle.js b/packages/slate/test/operations/remove_text/focus-middle.tsx
similarity index 99%
rename from packages/slate/test/operations/remove_text/focus-middle.js
rename to packages/slate/test/operations/remove_text/focus-middle.tsx
index 713a64c25..067cfd158 100644
--- a/packages/slate/test/operations/remove_text/focus-middle.js
+++ b/packages/slate/test/operations/remove_text/focus-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { jsx } from 'slate-hyperscript'
 
 export const input = (
@@ -12,7 +11,6 @@ export const input = (
     </element>
   </editor>
 )
-
 export const operations = [
   {
     type: 'remove_text',
@@ -21,7 +19,6 @@ export const operations = [
     text: 'or',
   },
 ]
-
 export const output = (
   <editor>
     <element>
diff --git a/packages/slate/test/transforms/delete/emojis/inline-end-reverse.js b/packages/slate/test/transforms/delete/emojis/inline-end-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/emojis/inline-end-reverse.js
rename to packages/slate/test/transforms/delete/emojis/inline-end-reverse.tsx
index 5922b9b7b..4d5682de7 100644
--- a/packages/slate/test/transforms/delete/emojis/inline-end-reverse.js
+++ b/packages/slate/test/transforms/delete/emojis/inline-end-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/emojis/inline-middle-reverse.js b/packages/slate/test/transforms/delete/emojis/inline-middle-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/emojis/inline-middle-reverse.js
rename to packages/slate/test/transforms/delete/emojis/inline-middle-reverse.tsx
index e8b314f0f..650296993 100644
--- a/packages/slate/test/transforms/delete/emojis/inline-middle-reverse.js
+++ b/packages/slate/test/transforms/delete/emojis/inline-middle-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/emojis/inline-middle.js b/packages/slate/test/transforms/delete/emojis/inline-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/emojis/inline-middle.js
rename to packages/slate/test/transforms/delete/emojis/inline-middle.tsx
index 2b579374a..c3b80bedb 100644
--- a/packages/slate/test/transforms/delete/emojis/inline-middle.js
+++ b/packages/slate/test/transforms/delete/emojis/inline-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/emojis/inline-only-reverse.js b/packages/slate/test/transforms/delete/emojis/inline-only-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/emojis/inline-only-reverse.js
rename to packages/slate/test/transforms/delete/emojis/inline-only-reverse.tsx
index 07b890ccf..dd443c775 100644
--- a/packages/slate/test/transforms/delete/emojis/inline-only-reverse.js
+++ b/packages/slate/test/transforms/delete/emojis/inline-only-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/emojis/inline-start.js b/packages/slate/test/transforms/delete/emojis/inline-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/emojis/inline-start.js
rename to packages/slate/test/transforms/delete/emojis/inline-start.tsx
index 88d511f4c..d3ebc96a9 100644
--- a/packages/slate/test/transforms/delete/emojis/inline-start.js
+++ b/packages/slate/test/transforms/delete/emojis/inline-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/emojis/text-end-reverse.js b/packages/slate/test/transforms/delete/emojis/text-end-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/emojis/text-end-reverse.js
rename to packages/slate/test/transforms/delete/emojis/text-end-reverse.tsx
index 1d4342b1e..a62659968 100644
--- a/packages/slate/test/transforms/delete/emojis/text-end-reverse.js
+++ b/packages/slate/test/transforms/delete/emojis/text-end-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/emojis/text-start.js b/packages/slate/test/transforms/delete/emojis/text-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/emojis/text-start.js
rename to packages/slate/test/transforms/delete/emojis/text-start.tsx
index d62255b4d..c4e2b4417 100644
--- a/packages/slate/test/transforms/delete/emojis/text-start.js
+++ b/packages/slate/test/transforms/delete/emojis/text-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/path/block.js b/packages/slate/test/transforms/delete/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/path/block.js
rename to packages/slate/test/transforms/delete/path/block.tsx
index 96a312cbe..970434c73 100644
--- a/packages/slate/test/transforms/delete/path/block.js
+++ b/packages/slate/test/transforms/delete/path/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.delete(editor, { at: [1] })
 }
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/delete/path/inline.js b/packages/slate/test/transforms/delete/path/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/path/inline.js
rename to packages/slate/test/transforms/delete/path/inline.tsx
index 75cf62d3d..c072df719 100644
--- a/packages/slate/test/transforms/delete/path/inline.js
+++ b/packages/slate/test/transforms/delete/path/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,11 +11,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.delete(editor, { at: [0, 1] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/path/selection-inside.js b/packages/slate/test/transforms/delete/path/selection-inside.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/path/selection-inside.js
rename to packages/slate/test/transforms/delete/path/selection-inside.tsx
index 74a966510..ab9bb79fa 100644
--- a/packages/slate/test/transforms/delete/path/selection-inside.js
+++ b/packages/slate/test/transforms/delete/path/selection-inside.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.delete(editor, { at: [1, 0] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/path/text.js b/packages/slate/test/transforms/delete/path/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/path/text.js
rename to packages/slate/test/transforms/delete/path/text.tsx
index 932c1fd1a..77c5435cc 100644
--- a/packages/slate/test/transforms/delete/path/text.js
+++ b/packages/slate/test/transforms/delete/path/text.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { at: [0, 0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/basic-reverse.js b/packages/slate/test/transforms/delete/point/basic-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/basic-reverse.js
rename to packages/slate/test/transforms/delete/point/basic-reverse.tsx
index b624e19f5..8d60db0de 100644
--- a/packages/slate/test/transforms/delete/point/basic-reverse.js
+++ b/packages/slate/test/transforms/delete/point/basic-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>one</block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/basic.js b/packages/slate/test/transforms/delete/point/basic.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/basic.js
rename to packages/slate/test/transforms/delete/point/basic.tsx
index c07a6883a..fcacdc713 100644
--- a/packages/slate/test/transforms/delete/point/basic.js
+++ b/packages/slate/test/transforms/delete/point/basic.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     <block>another</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/depths-reverse.js b/packages/slate/test/transforms/delete/point/depths-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/depths-reverse.js
rename to packages/slate/test/transforms/delete/point/depths-reverse.tsx
index 904505f8f..4e21dfcc1 100644
--- a/packages/slate/test/transforms/delete/point/depths-reverse.js
+++ b/packages/slate/test/transforms/delete/point/depths-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>Hello</block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/inline-before-reverse.js b/packages/slate/test/transforms/delete/point/inline-before-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/inline-before-reverse.js
rename to packages/slate/test/transforms/delete/point/inline-before-reverse.tsx
index ab9cb1076..90cb18382 100644
--- a/packages/slate/test/transforms/delete/point/inline-before-reverse.js
+++ b/packages/slate/test/transforms/delete/point/inline-before-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>one</block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/inline-before.js b/packages/slate/test/transforms/delete/point/inline-before.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/inline-before.js
rename to packages/slate/test/transforms/delete/point/inline-before.tsx
index f38050e41..0c9b91b8a 100644
--- a/packages/slate/test/transforms/delete/point/inline-before.js
+++ b/packages/slate/test/transforms/delete/point/inline-before.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/inline-inside-reverse.js b/packages/slate/test/transforms/delete/point/inline-inside-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/inline-inside-reverse.js
rename to packages/slate/test/transforms/delete/point/inline-inside-reverse.tsx
index 74b315a93..e87084b26 100644
--- a/packages/slate/test/transforms/delete/point/inline-inside-reverse.js
+++ b/packages/slate/test/transforms/delete/point/inline-inside-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -24,7 +22,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/inline-void-reverse.js b/packages/slate/test/transforms/delete/point/inline-void-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/inline-void-reverse.js
rename to packages/slate/test/transforms/delete/point/inline-void-reverse.tsx
index adc77db1f..6b6b26a04 100644
--- a/packages/slate/test/transforms/delete/point/inline-void-reverse.js
+++ b/packages/slate/test/transforms/delete/point/inline-void-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/inline.js b/packages/slate/test/transforms/delete/point/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/inline.js
rename to packages/slate/test/transforms/delete/point/inline.tsx
index a77eb0454..46547a9c2 100644
--- a/packages/slate/test/transforms/delete/point/inline.js
+++ b/packages/slate/test/transforms/delete/point/inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/nested-reverse.js b/packages/slate/test/transforms/delete/point/nested-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/nested-reverse.js
rename to packages/slate/test/transforms/delete/point/nested-reverse.tsx
index f84f01175..e6d6b298d 100644
--- a/packages/slate/test/transforms/delete/point/nested-reverse.js
+++ b/packages/slate/test/transforms/delete/point/nested-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/point/nested.js b/packages/slate/test/transforms/delete/point/nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/point/nested.js
rename to packages/slate/test/transforms/delete/point/nested.tsx
index 9e8b53410..7b6f56789 100644
--- a/packages/slate/test/transforms/delete/point/nested.js
+++ b/packages/slate/test/transforms/delete/point/nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-across-multiple.js b/packages/slate/test/transforms/delete/selection/block-across-multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-across-multiple.js
rename to packages/slate/test/transforms/delete/selection/block-across-multiple.tsx
index 9076debe2..10047b4dc 100644
--- a/packages/slate/test/transforms/delete/selection/block-across-multiple.js
+++ b/packages/slate/test/transforms/delete/selection/block-across-multiple.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-across-nested.js b/packages/slate/test/transforms/delete/selection/block-across-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-across-nested.js
rename to packages/slate/test/transforms/delete/selection/block-across-nested.tsx
index c1f154a3e..a3876bc28 100644
--- a/packages/slate/test/transforms/delete/selection/block-across-nested.js
+++ b/packages/slate/test/transforms/delete/selection/block-across-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-across.js b/packages/slate/test/transforms/delete/selection/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-across.js
rename to packages/slate/test/transforms/delete/selection/block-across.tsx
index f5f7f2479..fb379aba2 100644
--- a/packages/slate/test/transforms/delete/selection/block-across.js
+++ b/packages/slate/test/transforms/delete/selection/block-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-depths-nested.js b/packages/slate/test/transforms/delete/selection/block-depths-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-depths-nested.js
rename to packages/slate/test/transforms/delete/selection/block-depths-nested.tsx
index 2c26a433e..3239eb462 100644
--- a/packages/slate/test/transforms/delete/selection/block-depths-nested.js
+++ b/packages/slate/test/transforms/delete/selection/block-depths-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-depths.js b/packages/slate/test/transforms/delete/selection/block-depths.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-depths.js
rename to packages/slate/test/transforms/delete/selection/block-depths.tsx
index 7acc9a4a5..783d898e8 100644
--- a/packages/slate/test/transforms/delete/selection/block-depths.js
+++ b/packages/slate/test/transforms/delete/selection/block-depths.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -24,7 +22,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-hanging-multiple.js b/packages/slate/test/transforms/delete/selection/block-hanging-multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-hanging-multiple.js
rename to packages/slate/test/transforms/delete/selection/block-hanging-multiple.tsx
index bf180711e..195daaed4 100644
--- a/packages/slate/test/transforms/delete/selection/block-hanging-multiple.js
+++ b/packages/slate/test/transforms/delete/selection/block-hanging-multiple.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-hanging-single.js b/packages/slate/test/transforms/delete/selection/block-hanging-single.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-hanging-single.js
rename to packages/slate/test/transforms/delete/selection/block-hanging-single.tsx
index 01741317b..c51172c35 100644
--- a/packages/slate/test/transforms/delete/selection/block-hanging-single.js
+++ b/packages/slate/test/transforms/delete/selection/block-hanging-single.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-inline-across.js b/packages/slate/test/transforms/delete/selection/block-inline-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-inline-across.js
rename to packages/slate/test/transforms/delete/selection/block-inline-across.tsx
index 98768d24f..a4d801dcb 100644
--- a/packages/slate/test/transforms/delete/selection/block-inline-across.js
+++ b/packages/slate/test/transforms/delete/selection/block-inline-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -29,7 +27,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-inline-over.js b/packages/slate/test/transforms/delete/selection/block-inline-over.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-inline-over.js
rename to packages/slate/test/transforms/delete/selection/block-inline-over.tsx
index 9eedffd94..804cf8226 100644
--- a/packages/slate/test/transforms/delete/selection/block-inline-over.js
+++ b/packages/slate/test/transforms/delete/selection/block-inline-over.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>one</block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/delete/selection/block-join-edges.js b/packages/slate/test/transforms/delete/selection/block-join-edges.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-join-edges.js
rename to packages/slate/test/transforms/delete/selection/block-join-edges.tsx
index 532c1b1f6..aa5e5aae3 100644
--- a/packages/slate/test/transforms/delete/selection/block-join-edges.js
+++ b/packages/slate/test/transforms/delete/selection/block-join-edges.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-join-inline.js b/packages/slate/test/transforms/delete/selection/block-join-inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-join-inline.js
rename to packages/slate/test/transforms/delete/selection/block-join-inline.tsx
index 98cd26119..0957d48df 100644
--- a/packages/slate/test/transforms/delete/selection/block-join-inline.js
+++ b/packages/slate/test/transforms/delete/selection/block-join-inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-join-nested.js b/packages/slate/test/transforms/delete/selection/block-join-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-join-nested.js
rename to packages/slate/test/transforms/delete/selection/block-join-nested.tsx
index b46b4747f..e29212773 100644
--- a/packages/slate/test/transforms/delete/selection/block-join-nested.js
+++ b/packages/slate/test/transforms/delete/selection/block-join-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/block-middle.js b/packages/slate/test/transforms/delete/selection/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-middle.js
rename to packages/slate/test/transforms/delete/selection/block-middle.tsx
index 62b0a53a4..8e95f3482 100644
--- a/packages/slate/test/transforms/delete/selection/block-middle.js
+++ b/packages/slate/test/transforms/delete/selection/block-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>one</block>
@@ -16,7 +14,6 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/delete/selection/block-nested.js b/packages/slate/test/transforms/delete/selection/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/block-nested.js
rename to packages/slate/test/transforms/delete/selection/block-nested.tsx
index cbb6bdd47..0d1f33f6f 100644
--- a/packages/slate/test/transforms/delete/selection/block-nested.js
+++ b/packages/slate/test/transforms/delete/selection/block-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -26,7 +24,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/character-end.js b/packages/slate/test/transforms/delete/selection/character-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/character-end.js
rename to packages/slate/test/transforms/delete/selection/character-end.tsx
index 93f10d051..5c563a0a7 100644
--- a/packages/slate/test/transforms/delete/selection/character-end.js
+++ b/packages/slate/test/transforms/delete/selection/character-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/character-middle.js b/packages/slate/test/transforms/delete/selection/character-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/character-middle.js
rename to packages/slate/test/transforms/delete/selection/character-middle.tsx
index 0a38229f9..2852f8daf 100644
--- a/packages/slate/test/transforms/delete/selection/character-middle.js
+++ b/packages/slate/test/transforms/delete/selection/character-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/character-start.js b/packages/slate/test/transforms/delete/selection/character-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/character-start.js
rename to packages/slate/test/transforms/delete/selection/character-start.tsx
index 019762eb5..08fb8df90 100644
--- a/packages/slate/test/transforms/delete/selection/character-start.js
+++ b/packages/slate/test/transforms/delete/selection/character-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/inline-after.js b/packages/slate/test/transforms/delete/selection/inline-after.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/inline-after.js
rename to packages/slate/test/transforms/delete/selection/inline-after.tsx
index 1d5baa8fb..9d5eb563c 100644
--- a/packages/slate/test/transforms/delete/selection/inline-after.js
+++ b/packages/slate/test/transforms/delete/selection/inline-after.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/inline-inside.js b/packages/slate/test/transforms/delete/selection/inline-inside.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/inline-inside.js
rename to packages/slate/test/transforms/delete/selection/inline-inside.tsx
index 074701b0c..a61a53cf6 100644
--- a/packages/slate/test/transforms/delete/selection/inline-inside.js
+++ b/packages/slate/test/transforms/delete/selection/inline-inside.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/inline-over.js b/packages/slate/test/transforms/delete/selection/inline-over.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/inline-over.js
rename to packages/slate/test/transforms/delete/selection/inline-over.tsx
index 9adbee8a3..f51428946 100644
--- a/packages/slate/test/transforms/delete/selection/inline-over.js
+++ b/packages/slate/test/transforms/delete/selection/inline-over.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/inline-whole.js b/packages/slate/test/transforms/delete/selection/inline-whole.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/inline-whole.js
rename to packages/slate/test/transforms/delete/selection/inline-whole.tsx
index b5cc43f48..2c2282b6e 100644
--- a/packages/slate/test/transforms/delete/selection/inline-whole.js
+++ b/packages/slate/test/transforms/delete/selection/inline-whole.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/selection/word.js b/packages/slate/test/transforms/delete/selection/word.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/selection/word.js
rename to packages/slate/test/transforms/delete/selection/word.tsx
index f791a92aa..2af625b8e 100644
--- a/packages/slate/test/transforms/delete/selection/word.js
+++ b/packages/slate/test/transforms/delete/selection/word.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/document-end.js b/packages/slate/test/transforms/delete/unit-character/document-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/document-end.js
rename to packages/slate/test/transforms/delete/unit-character/document-end.tsx
index a13cfcafa..ec107599b 100644
--- a/packages/slate/test/transforms/delete/unit-character/document-end.js
+++ b/packages/slate/test/transforms/delete/unit-character/document-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/document-start-reverse.js b/packages/slate/test/transforms/delete/unit-character/document-start-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/document-start-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/document-start-reverse.tsx
index 1ce8518ed..2820cb9ce 100644
--- a/packages/slate/test/transforms/delete/unit-character/document-start-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/document-start-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/empty-reverse.js b/packages/slate/test/transforms/delete/unit-character/empty-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/empty-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/empty-reverse.tsx
index 5e2ae838b..ca475e5ac 100644
--- a/packages/slate/test/transforms/delete/unit-character/empty-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/empty-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/empty.js b/packages/slate/test/transforms/delete/unit-character/empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/empty.js
rename to packages/slate/test/transforms/delete/unit-character/empty.tsx
index 6a21d96e6..04bdc84fd 100644
--- a/packages/slate/test/transforms/delete/unit-character/empty.js
+++ b/packages/slate/test/transforms/delete/unit-character/empty.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/end-reverse.js b/packages/slate/test/transforms/delete/unit-character/end-reverse.js
deleted file mode 100644
index 7eb4bdd11..000000000
--- a/packages/slate/test/transforms/delete/unit-character/end-reverse.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.delete(editor, { unit: 'character', reverse: true })
-}
-
-export const input = (
-  <editor>
-    <block>
-      word
-      <cursor />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      wor
-      <cursor />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/delete/unit-character/end.js b/packages/slate/test/transforms/delete/unit-character/end.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/end.js
rename to packages/slate/test/transforms/delete/unit-character/end.tsx
index 2b4100c40..5b8a84cc4 100644
--- a/packages/slate/test/transforms/delete/unit-character/end.js
+++ b/packages/slate/test/transforms/delete/unit-character/end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/first-reverse.js b/packages/slate/test/transforms/delete/unit-character/first-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/first-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/first-reverse.tsx
index 8b289d97a..9d9994cf8 100644
--- a/packages/slate/test/transforms/delete/unit-character/first-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/first-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/first.js b/packages/slate/test/transforms/delete/unit-character/first.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/first.js
rename to packages/slate/test/transforms/delete/unit-character/first.tsx
index dd931e9bf..68205d252 100644
--- a/packages/slate/test/transforms/delete/unit-character/first.js
+++ b/packages/slate/test/transforms/delete/unit-character/first.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/inline-after-reverse.js b/packages/slate/test/transforms/delete/unit-character/inline-after-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/inline-after-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/inline-after-reverse.tsx
index b53f51582..d108764be 100644
--- a/packages/slate/test/transforms/delete/unit-character/inline-after-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/inline-after-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/inline-before-reverse.js b/packages/slate/test/transforms/delete/unit-character/inline-before-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/inline-before-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/inline-before-reverse.tsx
index fd6c6569d..fa767e989 100644
--- a/packages/slate/test/transforms/delete/unit-character/inline-before-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/inline-before-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/inline-before.js b/packages/slate/test/transforms/delete/unit-character/inline-before.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/inline-before.js
rename to packages/slate/test/transforms/delete/unit-character/inline-before.tsx
index 51179dac7..786fa9811 100644
--- a/packages/slate/test/transforms/delete/unit-character/inline-before.js
+++ b/packages/slate/test/transforms/delete/unit-character/inline-before.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/inline-end-reverse.js b/packages/slate/test/transforms/delete/unit-character/inline-end-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/inline-end-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/inline-end-reverse.tsx
index 882dc0e54..028dc993c 100644
--- a/packages/slate/test/transforms/delete/unit-character/inline-end-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/inline-end-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/inline-inside-reverse.js b/packages/slate/test/transforms/delete/unit-character/inline-inside-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/inline-inside-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/inline-inside-reverse.tsx
index c1e3992a5..e44a9bd04 100644
--- a/packages/slate/test/transforms/delete/unit-character/inline-inside-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/inline-inside-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/inline-inside.js b/packages/slate/test/transforms/delete/unit-character/inline-inside.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/inline-inside.js
rename to packages/slate/test/transforms/delete/unit-character/inline-inside.tsx
index 271fa45d0..3436a305e 100644
--- a/packages/slate/test/transforms/delete/unit-character/inline-inside.js
+++ b/packages/slate/test/transforms/delete/unit-character/inline-inside.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/last-reverse.js b/packages/slate/test/transforms/delete/unit-character/last-reverse.js
deleted file mode 100644
index 7eb4bdd11..000000000
--- a/packages/slate/test/transforms/delete/unit-character/last-reverse.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.delete(editor, { unit: 'character', reverse: true })
-}
-
-export const input = (
-  <editor>
-    <block>
-      word
-      <cursor />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      wor
-      <cursor />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/delete/unit-character/last.js b/packages/slate/test/transforms/delete/unit-character/last.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/last.js
rename to packages/slate/test/transforms/delete/unit-character/last.tsx
index 2b4100c40..5b8a84cc4 100644
--- a/packages/slate/test/transforms/delete/unit-character/last.js
+++ b/packages/slate/test/transforms/delete/unit-character/last.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/middle-reverse.js b/packages/slate/test/transforms/delete/unit-character/middle-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/middle-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/middle-reverse.tsx
index 6dfecd4a3..f8ac6e58d 100644
--- a/packages/slate/test/transforms/delete/unit-character/middle-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/middle-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/middle.js b/packages/slate/test/transforms/delete/unit-character/middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/middle.js
rename to packages/slate/test/transforms/delete/unit-character/middle.tsx
index 215f8531b..5f8824f9f 100644
--- a/packages/slate/test/transforms/delete/unit-character/middle.js
+++ b/packages/slate/test/transforms/delete/unit-character/middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/multiple-reverse.js b/packages/slate/test/transforms/delete/unit-character/multiple-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/multiple-reverse.js
rename to packages/slate/test/transforms/delete/unit-character/multiple-reverse.tsx
index d11c300c8..fa0d4db3b 100644
--- a/packages/slate/test/transforms/delete/unit-character/multiple-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-character/multiple-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', distance: 3, reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-character/multiple.js b/packages/slate/test/transforms/delete/unit-character/multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-character/multiple.js
rename to packages/slate/test/transforms/delete/unit-character/multiple.tsx
index e5456a33b..eb15fb25c 100644
--- a/packages/slate/test/transforms/delete/unit-character/multiple.js
+++ b/packages/slate/test/transforms/delete/unit-character/multiple.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'character', distance: 3 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-line/text-end-reverse.js b/packages/slate/test/transforms/delete/unit-line/text-end-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-line/text-end-reverse.js
rename to packages/slate/test/transforms/delete/unit-line/text-end-reverse.tsx
index 46dc83182..f0758eaa4 100644
--- a/packages/slate/test/transforms/delete/unit-line/text-end-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-line/text-end-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'line', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-line/text-end.js b/packages/slate/test/transforms/delete/unit-line/text-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-line/text-end.js
rename to packages/slate/test/transforms/delete/unit-line/text-end.tsx
index 2cf5872ee..1a43926df 100644
--- a/packages/slate/test/transforms/delete/unit-line/text-end.js
+++ b/packages/slate/test/transforms/delete/unit-line/text-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'line' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,5 +13,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate/test/transforms/delete/unit-line/text-middle-reverse.js b/packages/slate/test/transforms/delete/unit-line/text-middle-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-line/text-middle-reverse.js
rename to packages/slate/test/transforms/delete/unit-line/text-middle-reverse.tsx
index b0033feb8..0e44cf2c5 100644
--- a/packages/slate/test/transforms/delete/unit-line/text-middle-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-line/text-middle-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'line', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-line/text-middle.js b/packages/slate/test/transforms/delete/unit-line/text-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-line/text-middle.js
rename to packages/slate/test/transforms/delete/unit-line/text-middle.tsx
index 82c5a75e6..dba00d23b 100644
--- a/packages/slate/test/transforms/delete/unit-line/text-middle.js
+++ b/packages/slate/test/transforms/delete/unit-line/text-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'line' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-line/text-start-reverse.js b/packages/slate/test/transforms/delete/unit-line/text-start-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-line/text-start-reverse.js
rename to packages/slate/test/transforms/delete/unit-line/text-start-reverse.tsx
index 7ec24692b..cda838c14 100644
--- a/packages/slate/test/transforms/delete/unit-line/text-start-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-line/text-start-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'line', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,5 +13,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = input
diff --git a/packages/slate/test/transforms/delete/unit-line/text-start.js b/packages/slate/test/transforms/delete/unit-line/text-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-line/text-start.js
rename to packages/slate/test/transforms/delete/unit-line/text-start.tsx
index 3945635ab..88259e306 100644
--- a/packages/slate/test/transforms/delete/unit-line/text-start.js
+++ b/packages/slate/test/transforms/delete/unit-line/text-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'line' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-word/block-join-reverse.js b/packages/slate/test/transforms/delete/unit-word/block-join-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-word/block-join-reverse.js
rename to packages/slate/test/transforms/delete/unit-word/block-join-reverse.tsx
index 60d0207a2..7ddc0834d 100644
--- a/packages/slate/test/transforms/delete/unit-word/block-join-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-word/block-join-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'word', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>word</block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-word/block-join.js b/packages/slate/test/transforms/delete/unit-word/block-join.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-word/block-join.js
rename to packages/slate/test/transforms/delete/unit-word/block-join.tsx
index 3b338a9f2..3a78953fe 100644
--- a/packages/slate/test/transforms/delete/unit-word/block-join.js
+++ b/packages/slate/test/transforms/delete/unit-word/block-join.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'word' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     <block>another</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-word/text-end-reverse.js b/packages/slate/test/transforms/delete/unit-word/text-end-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-word/text-end-reverse.js
rename to packages/slate/test/transforms/delete/unit-word/text-end-reverse.tsx
index a8ac66cdc..f2ec08d3e 100644
--- a/packages/slate/test/transforms/delete/unit-word/text-end-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-word/text-end-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'word', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-word/text-middle-reverse.js b/packages/slate/test/transforms/delete/unit-word/text-middle-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-word/text-middle-reverse.js
rename to packages/slate/test/transforms/delete/unit-word/text-middle-reverse.tsx
index 6909985ac..b7fd067db 100644
--- a/packages/slate/test/transforms/delete/unit-word/text-middle-reverse.js
+++ b/packages/slate/test/transforms/delete/unit-word/text-middle-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'word', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-word/text-middle.js b/packages/slate/test/transforms/delete/unit-word/text-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-word/text-middle.js
rename to packages/slate/test/transforms/delete/unit-word/text-middle.tsx
index dd5351190..0f31ac811 100644
--- a/packages/slate/test/transforms/delete/unit-word/text-middle.js
+++ b/packages/slate/test/transforms/delete/unit-word/text-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'word' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/unit-word/text-start.js b/packages/slate/test/transforms/delete/unit-word/text-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/unit-word/text-start.js
rename to packages/slate/test/transforms/delete/unit-word/text-start.tsx
index 8f276a97d..7bc8bea37 100644
--- a/packages/slate/test/transforms/delete/unit-word/text-start.js
+++ b/packages/slate/test/transforms/delete/unit-word/text-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { unit: 'word' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-across-backward.js b/packages/slate/test/transforms/delete/voids-false/block-across-backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-across-backward.js
rename to packages/slate/test/transforms/delete/voids-false/block-across-backward.tsx
index 4f274657b..98d601821 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-across-backward.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-across-backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-after-reverse.js b/packages/slate/test/transforms/delete/voids-false/block-after-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-after-reverse.js
rename to packages/slate/test/transforms/delete/voids-false/block-after-reverse.tsx
index 6aa4630c4..7eba98413 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-after-reverse.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-after-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block void>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-before.js b/packages/slate/test/transforms/delete/voids-false/block-before.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-before.js
rename to packages/slate/test/transforms/delete/voids-false/block-before.tsx
index e1c057cdd..6d47786f1 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-before.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-before.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-both.js b/packages/slate/test/transforms/delete/voids-false/block-both.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-both.js
rename to packages/slate/test/transforms/delete/voids-false/block-both.tsx
index 38e587a37..16c56e2cc 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-both.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-both.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -19,7 +17,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-end.js b/packages/slate/test/transforms/delete/voids-false/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-end.js
rename to packages/slate/test/transforms/delete/voids-false/block-end.tsx
index 167c63609..f0d65dd46 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-end.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-hanging-from.js b/packages/slate/test/transforms/delete/voids-false/block-hanging-from.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-hanging-from.js
rename to packages/slate/test/transforms/delete/voids-false/block-hanging-from.tsx
index 28571108d..f0921a160 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-hanging-from.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-hanging-from.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -19,7 +17,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-hanging-into.js b/packages/slate/test/transforms/delete/voids-false/block-hanging-into.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-hanging-into.js
rename to packages/slate/test/transforms/delete/voids-false/block-hanging-into.tsx
index c438e8712..0fb00962b 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-hanging-into.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-hanging-into.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-only.js b/packages/slate/test/transforms/delete/voids-false/block-only.tsx
similarity index 98%
rename from packages/slate/test/transforms/delete/voids-false/block-only.js
rename to packages/slate/test/transforms/delete/voids-false/block-only.tsx
index ebcf2b015..212e5e33b 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-only.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-only.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -14,5 +12,4 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = <editor />
diff --git a/packages/slate/test/transforms/delete/voids-false/block-start-multiple.js b/packages/slate/test/transforms/delete/voids-false/block-start-multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-start-multiple.js
rename to packages/slate/test/transforms/delete/voids-false/block-start-multiple.tsx
index 235e1c963..de1909b22 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-start-multiple.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-start-multiple.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -22,7 +20,6 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/block-start.js b/packages/slate/test/transforms/delete/voids-false/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/block-start.js
rename to packages/slate/test/transforms/delete/voids-false/block-start.tsx
index 13608d85d..ceabcc86a 100644
--- a/packages/slate/test/transforms/delete/voids-false/block-start.js
+++ b/packages/slate/test/transforms/delete/voids-false/block-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -20,7 +18,6 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/inline-after-reverse.js b/packages/slate/test/transforms/delete/voids-false/inline-after-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/inline-after-reverse.js
rename to packages/slate/test/transforms/delete/voids-false/inline-after-reverse.tsx
index bb38eb60f..f59fd7b1f 100644
--- a/packages/slate/test/transforms/delete/voids-false/inline-after-reverse.js
+++ b/packages/slate/test/transforms/delete/voids-false/inline-after-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/inline-before.js b/packages/slate/test/transforms/delete/voids-false/inline-before.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/inline-before.js
rename to packages/slate/test/transforms/delete/voids-false/inline-before.tsx
index d0d890348..3a122574e 100644
--- a/packages/slate/test/transforms/delete/voids-false/inline-before.js
+++ b/packages/slate/test/transforms/delete/voids-false/inline-before.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/inline-into.js b/packages/slate/test/transforms/delete/voids-false/inline-into.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/inline-into.js
rename to packages/slate/test/transforms/delete/voids-false/inline-into.tsx
index 49407ca99..5fb3272b4 100644
--- a/packages/slate/test/transforms/delete/voids-false/inline-into.js
+++ b/packages/slate/test/transforms/delete/voids-false/inline-into.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/inline-over.js b/packages/slate/test/transforms/delete/voids-false/inline-over.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/inline-over.js
rename to packages/slate/test/transforms/delete/voids-false/inline-over.tsx
index 0f245f8b6..5a6ddb458 100644
--- a/packages/slate/test/transforms/delete/voids-false/inline-over.js
+++ b/packages/slate/test/transforms/delete/voids-false/inline-over.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
@@ -31,5 +28,4 @@ export const output = (
     </block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate/test/transforms/delete/voids-false/inline-start-across.js b/packages/slate/test/transforms/delete/voids-false/inline-start-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/inline-start-across.js
rename to packages/slate/test/transforms/delete/voids-false/inline-start-across.tsx
index 4b7b1088c..00488d91f 100644
--- a/packages/slate/test/transforms/delete/voids-false/inline-start-across.js
+++ b/packages/slate/test/transforms/delete/voids-false/inline-start-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-false/inline-start.js b/packages/slate/test/transforms/delete/voids-false/inline-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-false/inline-start.js
rename to packages/slate/test/transforms/delete/voids-false/inline-start.tsx
index dcbe8f51e..789802ca9 100644
--- a/packages/slate/test/transforms/delete/voids-false/inline-start.js
+++ b/packages/slate/test/transforms/delete/voids-false/inline-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.delete(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/delete/voids-true/across-blocks.js b/packages/slate/test/transforms/delete/voids-true/across-blocks.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-true/across-blocks.js
rename to packages/slate/test/transforms/delete/voids-true/across-blocks.tsx
index 564f5b1e1..d4da67538 100644
--- a/packages/slate/test/transforms/delete/voids-true/across-blocks.js
+++ b/packages/slate/test/transforms/delete/voids-true/across-blocks.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -19,11 +18,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.delete(editor, { voids: true })
 }
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/delete/voids-true/path.js b/packages/slate/test/transforms/delete/voids-true/path.tsx
similarity index 99%
rename from packages/slate/test/transforms/delete/voids-true/path.js
rename to packages/slate/test/transforms/delete/voids-true/path.tsx
index 5f99470da..2f7f68c8f 100644
--- a/packages/slate/test/transforms/delete/voids-true/path.js
+++ b/packages/slate/test/transforms/delete/voids-true/path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.delete(editor, { at: [0, 0], voids: true })
 }
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/deselect/basic.js b/packages/slate/test/transforms/deselect/basic.tsx
similarity index 99%
rename from packages/slate/test/transforms/deselect/basic.js
rename to packages/slate/test/transforms/deselect/basic.tsx
index cd7ab3fd3..ab2a08d23 100644
--- a/packages/slate/test/transforms/deselect/basic.js
+++ b/packages/slate/test/transforms/deselect/basic.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
 export const run = editor => {
   Transforms.deselect(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/insertFragment/of-blocks/block-end.js b/packages/slate/test/transforms/insertFragment/of-blocks/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-blocks/block-end.js
rename to packages/slate/test/transforms/insertFragment/of-blocks/block-end.tsx
index a2981be1a..a9d002a1c 100644
--- a/packages/slate/test/transforms/insertFragment/of-blocks/block-end.js
+++ b/packages/slate/test/transforms/insertFragment/of-blocks/block-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,7 +12,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>wordone</block>
diff --git a/packages/slate/test/transforms/insertFragment/of-blocks/block-hanging.js b/packages/slate/test/transforms/insertFragment/of-blocks/block-hanging.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-blocks/block-hanging.js
rename to packages/slate/test/transforms/insertFragment/of-blocks/block-hanging.tsx
index 51b8ea6b6..4a35025fb 100644
--- a/packages/slate/test/transforms/insertFragment/of-blocks/block-hanging.js
+++ b/packages/slate/test/transforms/insertFragment/of-blocks/block-hanging.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ const fragment = (
     <block>two</block>
   </fragment>
 )
-
 export const run = editor => {
   Transforms.insertFragment(editor, fragment)
 }
-
 export const input = (
   <editor>
     <block>
@@ -26,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/insertFragment/of-blocks/block-middle.js b/packages/slate/test/transforms/insertFragment/of-blocks/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-blocks/block-middle.js
rename to packages/slate/test/transforms/insertFragment/of-blocks/block-middle.tsx
index 3d57bfa5c..501698382 100644
--- a/packages/slate/test/transforms/insertFragment/of-blocks/block-middle.js
+++ b/packages/slate/test/transforms/insertFragment/of-blocks/block-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,7 +12,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>woone</block>
diff --git a/packages/slate/test/transforms/insertFragment/of-blocks/block-nested.js b/packages/slate/test/transforms/insertFragment/of-blocks/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-blocks/block-nested.js
rename to packages/slate/test/transforms/insertFragment/of-blocks/block-nested.tsx
index 8683bfb6f..f9baea204 100644
--- a/packages/slate/test/transforms/insertFragment/of-blocks/block-nested.js
+++ b/packages/slate/test/transforms/insertFragment/of-blocks/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,7 +12,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -24,7 +22,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-blocks/block-start.js b/packages/slate/test/transforms/insertFragment/of-blocks/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-blocks/block-start.js
rename to packages/slate/test/transforms/insertFragment/of-blocks/block-start.tsx
index c9e28c8bf..c49696890 100644
--- a/packages/slate/test/transforms/insertFragment/of-blocks/block-start.js
+++ b/packages/slate/test/transforms/insertFragment/of-blocks/block-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,7 +12,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/insertFragment/of-blocks/with-inline.js b/packages/slate/test/transforms/insertFragment/of-blocks/with-inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-blocks/with-inline.js
rename to packages/slate/test/transforms/insertFragment/of-blocks/with-inline.tsx
index a298cce27..8c7e0ce6c 100644
--- a/packages/slate/test/transforms/insertFragment/of-blocks/with-inline.js
+++ b/packages/slate/test/transforms/insertFragment/of-blocks/with-inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -19,7 +18,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -29,7 +27,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/block-empty.js b/packages/slate/test/transforms/insertFragment/of-inlines/block-empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/block-empty.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/block-empty.tsx
index 51c88fe8b..8d241c465 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/block-empty.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/block-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/block-end.js b/packages/slate/test/transforms/insertFragment/of-inlines/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/block-end.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/block-end.tsx
index 0e43f1e3a..cbbec2395 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/block-end.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/block-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: this cursor placement seems off
 export const output = (
   <editor>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/block-middle.js b/packages/slate/test/transforms/insertFragment/of-inlines/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/block-middle.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/block-middle.tsx
index d91159cb8..5b8343bbd 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/block-middle.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/block-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/block-start.js b/packages/slate/test/transforms/insertFragment/of-inlines/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/block-start.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/block-start.tsx
index 5303c90d0..75685936c 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/block-start.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/block-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/inline-after.js b/packages/slate/test/transforms/insertFragment/of-inlines/inline-after.js
deleted file mode 100644
index 9ccdd2819..000000000
--- a/packages/slate/test/transforms/insertFragment/of-inlines/inline-after.js
+++ /dev/null
@@ -1,38 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(
-    editor,
-    <fragment>
-      <inline>fragment</inline>
-    </fragment>
-  )
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>word</inline>
-      <cursor />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline>word</inline>
-      <text />
-      <inline>
-        fragment
-        <cursor />
-      </inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/inline-before.js b/packages/slate/test/transforms/insertFragment/of-inlines/inline-before.js
deleted file mode 100644
index b66dd0027..000000000
--- a/packages/slate/test/transforms/insertFragment/of-inlines/inline-before.js
+++ /dev/null
@@ -1,38 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(
-    editor,
-    <fragment>
-      <inline>fragment</inline>
-    </fragment>
-  )
-}
-
-export const input = (
-  <editor>
-    <block>
-      <cursor />
-      <inline>word</inline>
-      <text />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline>
-        fragment
-        <cursor />
-      </inline>
-      <text />
-      <inline>word</inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/inline-empty.js b/packages/slate/test/transforms/insertFragment/of-inlines/inline-empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/inline-empty.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/inline-empty.tsx
index a2fe7c008..0a36de5bb 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/inline-empty.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/inline-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/inline-end.js b/packages/slate/test/transforms/insertFragment/of-inlines/inline-end.js
deleted file mode 100644
index 586dc22eb..000000000
--- a/packages/slate/test/transforms/insertFragment/of-inlines/inline-end.js
+++ /dev/null
@@ -1,41 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(
-    editor,
-    <fragment>
-      <inline>fragment</inline>
-    </fragment>
-  )
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>
-        word
-        <cursor />
-      </inline>
-      <text />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline>word</inline>
-      <text />
-      <inline>
-        fragment
-        <cursor />
-      </inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/inline-middle.js b/packages/slate/test/transforms/insertFragment/of-inlines/inline-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/inline-middle.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/inline-middle.tsx
index c7be44217..1f91b64d5 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/inline-middle.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/inline-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/inline-start.js b/packages/slate/test/transforms/insertFragment/of-inlines/inline-start.js
deleted file mode 100644
index 998d01f87..000000000
--- a/packages/slate/test/transforms/insertFragment/of-inlines/inline-start.js
+++ /dev/null
@@ -1,41 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(
-    editor,
-    <fragment>
-      <inline>fragment</inline>
-    </fragment>
-  )
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>
-        <cursor />
-        word
-      </inline>
-      <text />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline>
-        fragment
-        <cursor />
-      </inline>
-      <text />
-      <inline>word</inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/with-multiple.js b/packages/slate/test/transforms/insertFragment/of-inlines/with-multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/with-multiple.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/with-multiple.tsx
index 5c355d481..45cbf2aa7 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/with-multiple.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/with-multiple.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,7 +12,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -27,7 +25,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-inlines/with-text.js b/packages/slate/test/transforms/insertFragment/of-inlines/with-text.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-inlines/with-text.js
rename to packages/slate/test/transforms/insertFragment/of-inlines/with-text.tsx
index 1e31c61c7..aa878f7e5 100644
--- a/packages/slate/test/transforms/insertFragment/of-inlines/with-text.js
+++ b/packages/slate/test/transforms/insertFragment/of-inlines/with-text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,7 +12,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-lists/merge-lists.js b/packages/slate/test/transforms/insertFragment/of-lists/merge-lists.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-lists/merge-lists.js
rename to packages/slate/test/transforms/insertFragment/of-lists/merge-lists.tsx
index 397d74a89..99fc64481 100644
--- a/packages/slate/test/transforms/insertFragment/of-lists/merge-lists.js
+++ b/packages/slate/test/transforms/insertFragment/of-lists/merge-lists.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,7 +11,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
@@ -35,5 +32,4 @@ export const output = (
     </block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate/test/transforms/insertFragment/of-tables/merge-cells-with-nested-blocks.js b/packages/slate/test/transforms/insertFragment/of-tables/merge-cells-with-nested-blocks.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-tables/merge-cells-with-nested-blocks.js
rename to packages/slate/test/transforms/insertFragment/of-tables/merge-cells-with-nested-blocks.tsx
index 705ad589c..c5712c413 100644
--- a/packages/slate/test/transforms/insertFragment/of-tables/merge-cells-with-nested-blocks.js
+++ b/packages/slate/test/transforms/insertFragment/of-tables/merge-cells-with-nested-blocks.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -20,7 +19,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -41,7 +39,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: surely this is the wrong behavior.
 // ideally, paragraph with "2" goes into second cell
 export const output = (
@@ -67,5 +64,4 @@ export const output = (
     </block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate/test/transforms/insertFragment/of-tables/merge-into-empty-cells.js b/packages/slate/test/transforms/insertFragment/of-tables/merge-into-empty-cells.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-tables/merge-into-empty-cells.js
rename to packages/slate/test/transforms/insertFragment/of-tables/merge-into-empty-cells.tsx
index e7c68d0fb..93f734072 100644
--- a/packages/slate/test/transforms/insertFragment/of-tables/merge-into-empty-cells.js
+++ b/packages/slate/test/transforms/insertFragment/of-tables/merge-into-empty-cells.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -16,7 +15,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -33,7 +31,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: paste "2" into second cell instead of creating new one?
 export const output = (
   <editor>
@@ -52,5 +49,4 @@ export const output = (
     </block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate/test/transforms/insertFragment/of-tables/merge-into-full-cells.js b/packages/slate/test/transforms/insertFragment/of-tables/merge-into-full-cells.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-tables/merge-into-full-cells.js
rename to packages/slate/test/transforms/insertFragment/of-tables/merge-into-full-cells.tsx
index 87b6ea56d..80b39e4d4 100644
--- a/packages/slate/test/transforms/insertFragment/of-tables/merge-into-full-cells.js
+++ b/packages/slate/test/transforms/insertFragment/of-tables/merge-into-full-cells.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -16,7 +15,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -32,7 +30,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: paste "Existing 2" before / after "New 2" in second cell?
 export const output = (
   <editor>
@@ -49,5 +46,4 @@ export const output = (
     </block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/block-across.js b/packages/slate/test/transforms/insertFragment/of-texts/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/block-across.js
rename to packages/slate/test/transforms/insertFragment/of-texts/block-across.tsx
index 0fc3a44de..5a41ea444 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/block-across.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/block-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/block-empty.js b/packages/slate/test/transforms/insertFragment/of-texts/block-empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/block-empty.js
rename to packages/slate/test/transforms/insertFragment/of-texts/block-empty.tsx
index d0b098d5d..3cc511b50 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/block-empty.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/block-empty.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/block-end.js b/packages/slate/test/transforms/insertFragment/of-texts/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/block-end.js
rename to packages/slate/test/transforms/insertFragment/of-texts/block-end.tsx
index 53638a26e..43c5ec990 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/block-end.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/block-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/block-middle.js b/packages/slate/test/transforms/insertFragment/of-texts/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/block-middle.js
rename to packages/slate/test/transforms/insertFragment/of-texts/block-middle.tsx
index d24489708..f77de47f0 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/block-middle.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/block-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/block-start.js b/packages/slate/test/transforms/insertFragment/of-texts/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/block-start.js
rename to packages/slate/test/transforms/insertFragment/of-texts/block-start.tsx
index 393260c31..2eda9660b 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/block-start.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/block-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/inline-after.js b/packages/slate/test/transforms/insertFragment/of-texts/inline-after.js
deleted file mode 100644
index 0308a0173..000000000
--- a/packages/slate/test/transforms/insertFragment/of-texts/inline-after.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(editor, <fragment>fragment</fragment>)
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>word</inline>
-      <cursor />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline>word</inline>
-      fragment
-      <cursor />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/inline-before.js b/packages/slate/test/transforms/insertFragment/of-texts/inline-before.js
deleted file mode 100644
index 51a06771c..000000000
--- a/packages/slate/test/transforms/insertFragment/of-texts/inline-before.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(editor, <fragment>fragment</fragment>)
-}
-
-export const input = (
-  <editor>
-    <block>
-      <cursor />
-      <inline>word</inline>
-      <text />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      fragment
-      <cursor />
-      <inline>word</inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/inline-empty.js b/packages/slate/test/transforms/insertFragment/of-texts/inline-empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/inline-empty.js
rename to packages/slate/test/transforms/insertFragment/of-texts/inline-empty.tsx
index e4b03338c..5af42a2a5 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/inline-empty.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/inline-empty.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: argument to made that fragment should go into the inline
 export const output = (
   <editor>
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/inline-end.js b/packages/slate/test/transforms/insertFragment/of-texts/inline-end.js
deleted file mode 100644
index 7b900f69d..000000000
--- a/packages/slate/test/transforms/insertFragment/of-texts/inline-end.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(editor, <fragment>fragment</fragment>)
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>
-        word
-        <cursor />
-      </inline>
-      <text />
-    </block>
-  </editor>
-)
-
-// TODO: argument to made that fragment should go into the inline
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline>word</inline>
-      fragment
-      <cursor />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/inline-middle.js b/packages/slate/test/transforms/insertFragment/of-texts/inline-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/inline-middle.js
rename to packages/slate/test/transforms/insertFragment/of-texts/inline-middle.tsx
index 58b996c28..b60e69976 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/inline-middle.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/inline-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: argument to made that fragment should go into the inline
 export const output = (
   <editor>
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/inline-start.js b/packages/slate/test/transforms/insertFragment/of-texts/inline-start.js
deleted file mode 100644
index 0c7329dc7..000000000
--- a/packages/slate/test/transforms/insertFragment/of-texts/inline-start.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertFragment(editor, <fragment>fragment</fragment>)
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>
-        <cursor />
-        word
-      </inline>
-      <text />
-    </block>
-  </editor>
-)
-
-// TODO: argument to made that fragment should go into the inline
-export const output = (
-  <editor>
-    <block>
-      fragment
-      <cursor />
-      <inline>word</inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertFragment/of-texts/with-multiple.js b/packages/slate/test/transforms/insertFragment/of-texts/with-multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/of-texts/with-multiple.js
rename to packages/slate/test/transforms/insertFragment/of-texts/with-multiple.tsx
index 1d02e6606..3da488aab 100644
--- a/packages/slate/test/transforms/insertFragment/of-texts/with-multiple.js
+++ b/packages/slate/test/transforms/insertFragment/of-texts/with-multiple.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,7 +11,6 @@ export const run = editor => {
     </fragment>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertFragment/voids-false/block.js b/packages/slate/test/transforms/insertFragment/voids-false/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/voids-false/block.js
rename to packages/slate/test/transforms/insertFragment/voids-false/block.tsx
index 7d17fe69d..1c652d00e 100644
--- a/packages/slate/test/transforms/insertFragment/voids-false/block.js
+++ b/packages/slate/test/transforms/insertFragment/voids-false/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/insertFragment/voids-false/inline.js b/packages/slate/test/transforms/insertFragment/voids-false/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/voids-false/inline.js
rename to packages/slate/test/transforms/insertFragment/voids-false/inline.tsx
index 47730d1f8..6105be971 100644
--- a/packages/slate/test/transforms/insertFragment/voids-false/inline.js
+++ b/packages/slate/test/transforms/insertFragment/voids-false/inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertFragment(editor, <fragment>fragment</fragment>)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: argument to made that fragment should go into the inline
 export const output = (
   <editor>
diff --git a/packages/slate/test/transforms/insertFragment/voids-true/block.js b/packages/slate/test/transforms/insertFragment/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/voids-true/block.js
rename to packages/slate/test/transforms/insertFragment/voids-true/block.tsx
index 8a2ab0548..32483c0e1 100644
--- a/packages/slate/test/transforms/insertFragment/voids-true/block.js
+++ b/packages/slate/test/transforms/insertFragment/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,7 +7,6 @@ export const run = editor => {
     voids: true,
   })
 }
-
 export const input = (
   <editor>
     <block void>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/insertFragment/voids-true/inline.js b/packages/slate/test/transforms/insertFragment/voids-true/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertFragment/voids-true/inline.js
rename to packages/slate/test/transforms/insertFragment/voids-true/inline.tsx
index f44343f44..d4ab0b495 100644
--- a/packages/slate/test/transforms/insertFragment/voids-true/inline.js
+++ b/packages/slate/test/transforms/insertFragment/voids-true/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,7 +7,6 @@ export const run = editor => {
     voids: true,
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 // TODO: argument to made that fragment should go into the inline
 export const output = (
   <editor>
diff --git a/packages/slate/test/transforms/insertNodes/block/block-empty.js b/packages/slate/test/transforms/insertNodes/block/block-empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/block/block-empty.js
rename to packages/slate/test/transforms/insertNodes/block/block-empty.tsx
index 9242aad65..50961b978 100644
--- a/packages/slate/test/transforms/insertNodes/block/block-empty.js
+++ b/packages/slate/test/transforms/insertNodes/block/block-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const input = (
     <block>not empty</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -20,7 +18,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/block/block-end.js b/packages/slate/test/transforms/insertNodes/block/block-end.js
deleted file mode 100644
index 8d95ea452..000000000
--- a/packages/slate/test/transforms/insertNodes/block/block-end.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const input = (
-  <editor>
-    <block>
-      word
-      <cursor />
-    </block>
-  </editor>
-)
-
-export const run = editor => {
-  Transforms.insertNodes(
-    editor,
-    <block>
-      <text />
-    </block>
-  )
-}
-
-export const output = (
-  <editor>
-    <block>word</block>
-    <block>
-      <cursor />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertNodes/block/block-middle.js b/packages/slate/test/transforms/insertNodes/block/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/block/block-middle.js
rename to packages/slate/test/transforms/insertNodes/block/block-middle.tsx
index ebc72ad82..db23e4e4b 100644
--- a/packages/slate/test/transforms/insertNodes/block/block-middle.js
+++ b/packages/slate/test/transforms/insertNodes/block/block-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>wo</block>
diff --git a/packages/slate/test/transforms/insertNodes/block/block-start.js b/packages/slate/test/transforms/insertNodes/block/block-start.js
deleted file mode 100644
index b5ff973d5..000000000
--- a/packages/slate/test/transforms/insertNodes/block/block-start.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.insertNodes(
-    editor,
-    <block>
-      <text />
-    </block>
-  )
-}
-
-export const input = (
-  <editor>
-    <block>
-      <cursor />
-      word
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      <cursor />
-    </block>
-    <block>word</block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/insertNodes/block/block-void.js b/packages/slate/test/transforms/insertNodes/block/block-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/block/block-void.js
rename to packages/slate/test/transforms/insertNodes/block/block-void.tsx
index 593011037..729965e66 100644
--- a/packages/slate/test/transforms/insertNodes/block/block-void.js
+++ b/packages/slate/test/transforms/insertNodes/block/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block void>
@@ -21,7 +19,6 @@ export const input = (
     <block>text</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>text</block>
diff --git a/packages/slate/test/transforms/insertNodes/block/inline-void.js b/packages/slate/test/transforms/insertNodes/block/inline-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/block/inline-void.js
rename to packages/slate/test/transforms/insertNodes/block/inline-void.tsx
index bc77bd8ca..3e56a4f9e 100644
--- a/packages/slate/test/transforms/insertNodes/block/inline-void.js
+++ b/packages/slate/test/transforms/insertNodes/block/inline-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/inline/block-empty.js b/packages/slate/test/transforms/insertNodes/inline/block-empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/inline/block-empty.js
rename to packages/slate/test/transforms/insertNodes/inline/block-empty.tsx
index d9063f14b..37e482ea4 100644
--- a/packages/slate/test/transforms/insertNodes/inline/block-empty.js
+++ b/packages/slate/test/transforms/insertNodes/inline/block-empty.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -19,7 +17,6 @@ export const run = editor => {
     </inline>
   )
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/inline/block-end.js b/packages/slate/test/transforms/insertNodes/inline/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/inline/block-end.js
rename to packages/slate/test/transforms/insertNodes/inline/block-end.tsx
index 8c4f50aa9..8fe8314fa 100644
--- a/packages/slate/test/transforms/insertNodes/inline/block-end.js
+++ b/packages/slate/test/transforms/insertNodes/inline/block-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </inline>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/inline/block-middle.js b/packages/slate/test/transforms/insertNodes/inline/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/inline/block-middle.js
rename to packages/slate/test/transforms/insertNodes/inline/block-middle.tsx
index 421b9261b..debf909f0 100644
--- a/packages/slate/test/transforms/insertNodes/inline/block-middle.js
+++ b/packages/slate/test/transforms/insertNodes/inline/block-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </inline>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/inline/block-start.js b/packages/slate/test/transforms/insertNodes/inline/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/inline/block-start.js
rename to packages/slate/test/transforms/insertNodes/inline/block-start.tsx
index fe067cecb..527f1f130 100644
--- a/packages/slate/test/transforms/insertNodes/inline/block-start.js
+++ b/packages/slate/test/transforms/insertNodes/inline/block-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </inline>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/inline/block-void.js b/packages/slate/test/transforms/insertNodes/inline/block-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/inline/block-void.js
rename to packages/slate/test/transforms/insertNodes/inline/block-void.tsx
index 8c6bf6dca..7053ff1d3 100644
--- a/packages/slate/test/transforms/insertNodes/inline/block-void.js
+++ b/packages/slate/test/transforms/insertNodes/inline/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </inline>
   )
 }
-
 export const input = (
   <editor>
     <block void>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/insertNodes/inline/inline-middle.js b/packages/slate/test/transforms/insertNodes/inline/inline-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/inline/inline-middle.js
rename to packages/slate/test/transforms/insertNodes/inline/inline-middle.tsx
index afac37084..2ab529a6c 100644
--- a/packages/slate/test/transforms/insertNodes/inline/inline-middle.js
+++ b/packages/slate/test/transforms/insertNodes/inline/inline-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const run = editor => {
     </inline>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/path/block.js b/packages/slate/test/transforms/insertNodes/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/path/block.js
rename to packages/slate/test/transforms/insertNodes/path/block.tsx
index 8e3d78cf8..97b3f4d25 100644
--- a/packages/slate/test/transforms/insertNodes/path/block.js
+++ b/packages/slate/test/transforms/insertNodes/path/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -21,7 +19,6 @@ export const run = editor => {
     { at: [0] }
   )
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/path/inline.js b/packages/slate/test/transforms/insertNodes/path/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/path/inline.js
rename to packages/slate/test/transforms/insertNodes/path/inline.tsx
index 53ec98bdf..108ec42f2 100644
--- a/packages/slate/test/transforms/insertNodes/path/inline.js
+++ b/packages/slate/test/transforms/insertNodes/path/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -21,7 +19,6 @@ export const run = editor => {
     { at: [0, 0] }
   )
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/path/multiple.js b/packages/slate/test/transforms/insertNodes/path/multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/path/multiple.js
rename to packages/slate/test/transforms/insertNodes/path/multiple.tsx
index 7aa9ac2a8..f9ad1737a 100644
--- a/packages/slate/test/transforms/insertNodes/path/multiple.js
+++ b/packages/slate/test/transforms/insertNodes/path/multiple.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,13 +10,11 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(editor, [<block>two</block>, <block>three</block>], {
     at: [0],
   })
 }
-
 export const output = (
   <editor>
     <block>two</block>
diff --git a/packages/slate/test/transforms/insertNodes/path/text.js b/packages/slate/test/transforms/insertNodes/path/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/path/text.js
rename to packages/slate/test/transforms/insertNodes/path/text.tsx
index f3b467449..245d336d2 100644
--- a/packages/slate/test/transforms/insertNodes/path/text.js
+++ b/packages/slate/test/transforms/insertNodes/path/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,11 +10,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(editor, <text>another</text>, { at: [0, 0] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/select-true/block.js b/packages/slate/test/transforms/insertNodes/select-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/select-true/block.js
rename to packages/slate/test/transforms/insertNodes/select-true/block.tsx
index b43ecdb48..116ac0f38 100644
--- a/packages/slate/test/transforms/insertNodes/select-true/block.js
+++ b/packages/slate/test/transforms/insertNodes/select-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -21,7 +19,6 @@ export const run = editor => {
     { at: [0], select: true }
   )
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/selection/none-empty.js b/packages/slate/test/transforms/insertNodes/selection/none-empty.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/selection/none-empty.js
rename to packages/slate/test/transforms/insertNodes/selection/none-empty.tsx
index 4db83c828..cbf240380 100644
--- a/packages/slate/test/transforms/insertNodes/selection/none-empty.js
+++ b/packages/slate/test/transforms/insertNodes/selection/none-empty.tsx
@@ -1,14 +1,11 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const input = <editor />
-
 export const run = editor => {
   Transforms.insertNodes(editor, <block>one</block>)
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/selection/none-end.js b/packages/slate/test/transforms/insertNodes/selection/none-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/selection/none-end.js
rename to packages/slate/test/transforms/insertNodes/selection/none-end.tsx
index 302881e23..07a1e1d22 100644
--- a/packages/slate/test/transforms/insertNodes/selection/none-end.js
+++ b/packages/slate/test/transforms/insertNodes/selection/none-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>one</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(editor, <block>two</block>)
 }
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/insertNodes/void/at-path.js b/packages/slate/test/transforms/insertNodes/void/at-path.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/void/at-path.js
rename to packages/slate/test/transforms/insertNodes/void/at-path.tsx
index 7a2782824..4ea7dd992 100644
--- a/packages/slate/test/transforms/insertNodes/void/at-path.js
+++ b/packages/slate/test/transforms/insertNodes/void/at-path.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -21,7 +19,6 @@ export const run = editor => {
     { at: [1], select: true }
   )
 }
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/insertNodes/void/block-nested.js b/packages/slate/test/transforms/insertNodes/void/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/void/block-nested.js
rename to packages/slate/test/transforms/insertNodes/void/block-nested.tsx
index d543b0487..d5d0b61cd 100644
--- a/packages/slate/test/transforms/insertNodes/void/block-nested.js
+++ b/packages/slate/test/transforms/insertNodes/void/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -22,7 +20,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/insertNodes/void/block.js b/packages/slate/test/transforms/insertNodes/void/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/void/block.js
rename to packages/slate/test/transforms/insertNodes/void/block.tsx
index d84d591c0..ae5829034 100644
--- a/packages/slate/test/transforms/insertNodes/void/block.js
+++ b/packages/slate/test/transforms/insertNodes/void/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,7 +10,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -20,7 +18,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/insertNodes/void/inline.js b/packages/slate/test/transforms/insertNodes/void/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/void/inline.js
rename to packages/slate/test/transforms/insertNodes/void/inline.tsx
index 8497d5cbe..5109b186e 100644
--- a/packages/slate/test/transforms/insertNodes/void/inline.js
+++ b/packages/slate/test/transforms/insertNodes/void/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -15,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(
     editor,
@@ -24,7 +22,6 @@ export const run = editor => {
     </inline>
   )
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertNodes/voids-true/block.js b/packages/slate/test/transforms/insertNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/voids-true/block.js
rename to packages/slate/test/transforms/insertNodes/voids-true/block.tsx
index f4f7a223a..36119c290 100644
--- a/packages/slate/test/transforms/insertNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/insertNodes/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,14 +10,12 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(editor, <text>two</text>, {
     at: [0, 1],
     voids: true,
   })
 }
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/insertNodes/voids-true/inline.js b/packages/slate/test/transforms/insertNodes/voids-true/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertNodes/voids-true/inline.js
rename to packages/slate/test/transforms/insertNodes/voids-true/inline.tsx
index 72a7124a8..078ea6ca7 100644
--- a/packages/slate/test/transforms/insertNodes/voids-true/inline.js
+++ b/packages/slate/test/transforms/insertNodes/voids-true/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -15,14 +14,12 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertNodes(editor, <text>four</text>, {
     at: [0, 1, 1],
     voids: true,
   })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/path/block.js b/packages/slate/test/transforms/insertText/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/path/block.js
rename to packages/slate/test/transforms/insertText/path/block.tsx
index 54745119f..c72ee2c2b 100644
--- a/packages/slate/test/transforms/insertText/path/block.js
+++ b/packages/slate/test/transforms/insertText/path/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: [0] })
 }
-
 export const output = (
   <editor>
     <block>x</block>
diff --git a/packages/slate/test/transforms/insertText/path/text.js b/packages/slate/test/transforms/insertText/path/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/path/text.js
rename to packages/slate/test/transforms/insertText/path/text.tsx
index f15d6ddc9..b4be6d382 100644
--- a/packages/slate/test/transforms/insertText/path/text.js
+++ b/packages/slate/test/transforms/insertText/path/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: [0, 0] })
 }
-
 export const output = (
   <editor>
     <block>x</block>
diff --git a/packages/slate/test/transforms/insertText/point/selection-after.js b/packages/slate/test/transforms/insertText/point/selection-after.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/selection-after.js
rename to packages/slate/test/transforms/insertText/point/selection-after.tsx
index a213eff3c..bf90e7ad6 100644
--- a/packages/slate/test/transforms/insertText/point/selection-after.js
+++ b/packages/slate/test/transforms/insertText/point/selection-after.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 4 } })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/point/selection-before.js b/packages/slate/test/transforms/insertText/point/selection-before.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/selection-before.js
rename to packages/slate/test/transforms/insertText/point/selection-before.tsx
index 886094962..b80a1851c 100644
--- a/packages/slate/test/transforms/insertText/point/selection-before.js
+++ b/packages/slate/test/transforms/insertText/point/selection-before.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 0 } })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/point/selection-end.js b/packages/slate/test/transforms/insertText/point/selection-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/selection-end.js
rename to packages/slate/test/transforms/insertText/point/selection-end.tsx
index 572b135ae..40be77b4d 100644
--- a/packages/slate/test/transforms/insertText/point/selection-end.js
+++ b/packages/slate/test/transforms/insertText/point/selection-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 3 } })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/point/selection-middle.js b/packages/slate/test/transforms/insertText/point/selection-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/selection-middle.js
rename to packages/slate/test/transforms/insertText/point/selection-middle.tsx
index 25262fb6f..f068fb891 100644
--- a/packages/slate/test/transforms/insertText/point/selection-middle.js
+++ b/packages/slate/test/transforms/insertText/point/selection-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 2 } })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/point/selection-start.js b/packages/slate/test/transforms/insertText/point/selection-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/selection-start.js
rename to packages/slate/test/transforms/insertText/point/selection-start.tsx
index afb020e91..10e6552dc 100644
--- a/packages/slate/test/transforms/insertText/point/selection-start.js
+++ b/packages/slate/test/transforms/insertText/point/selection-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 1 } })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/point/text-end.js b/packages/slate/test/transforms/insertText/point/text-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/text-end.js
rename to packages/slate/test/transforms/insertText/point/text-end.tsx
index 5127811ee..0b651342d 100644
--- a/packages/slate/test/transforms/insertText/point/text-end.js
+++ b/packages/slate/test/transforms/insertText/point/text-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 4 } })
 }
-
 export const output = (
   <editor>
     <block>wordx</block>
diff --git a/packages/slate/test/transforms/insertText/point/text-middle.js b/packages/slate/test/transforms/insertText/point/text-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/text-middle.js
rename to packages/slate/test/transforms/insertText/point/text-middle.tsx
index 2921984b6..a0dff7c6e 100644
--- a/packages/slate/test/transforms/insertText/point/text-middle.js
+++ b/packages/slate/test/transforms/insertText/point/text-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,11 +9,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 2 } })
 }
-
 export const output = (
   <editor>
     <block>woxrd</block>
diff --git a/packages/slate/test/transforms/insertText/point/text-start.js b/packages/slate/test/transforms/insertText/point/text-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/point/text-start.js
rename to packages/slate/test/transforms/insertText/point/text-start.tsx
index 567c33015..21cc1334b 100644
--- a/packages/slate/test/transforms/insertText/point/text-start.js
+++ b/packages/slate/test/transforms/insertText/point/text-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: { path: [0, 0], offset: 0 } })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/selection/block-end-words.js b/packages/slate/test/transforms/insertText/selection/block-end-words.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-end-words.js
rename to packages/slate/test/transforms/insertText/selection/block-end-words.tsx
index 87be39d03..a721fffe4 100644
--- a/packages/slate/test/transforms/insertText/selection/block-end-words.js
+++ b/packages/slate/test/transforms/insertText/selection/block-end-words.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, ' a few words')
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/selection/block-end.js b/packages/slate/test/transforms/insertText/selection/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-end.js
rename to packages/slate/test/transforms/insertText/selection/block-end.tsx
index 51cfd1181..f71c93ee7 100644
--- a/packages/slate/test/transforms/insertText/selection/block-end.js
+++ b/packages/slate/test/transforms/insertText/selection/block-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'a')
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/selection/block-hanging-across.js b/packages/slate/test/transforms/insertText/selection/block-hanging-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-hanging-across.js
rename to packages/slate/test/transforms/insertText/selection/block-hanging-across.tsx
index 4b30bbfec..2d822a97a 100644
--- a/packages/slate/test/transforms/insertText/selection/block-hanging-across.js
+++ b/packages/slate/test/transforms/insertText/selection/block-hanging-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'a')
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
@@ -29,5 +26,4 @@ export const output = (
     </block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate/test/transforms/insertText/selection/block-hanging.js b/packages/slate/test/transforms/insertText/selection/block-hanging.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-hanging.js
rename to packages/slate/test/transforms/insertText/selection/block-hanging.tsx
index cfd7a0b2e..c8468289c 100644
--- a/packages/slate/test/transforms/insertText/selection/block-hanging.js
+++ b/packages/slate/test/transforms/insertText/selection/block-hanging.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'a')
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
@@ -28,5 +25,4 @@ export const output = (
     <block>two</block>
   </editor>
 )
-
 export const skip = true
diff --git a/packages/slate/test/transforms/insertText/selection/block-middle-words.js b/packages/slate/test/transforms/insertText/selection/block-middle-words.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-middle-words.js
rename to packages/slate/test/transforms/insertText/selection/block-middle-words.tsx
index 55524af0e..a21a27bfa 100644
--- a/packages/slate/test/transforms/insertText/selection/block-middle-words.js
+++ b/packages/slate/test/transforms/insertText/selection/block-middle-words.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, ' a few words ')
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/selection/block-middle.js b/packages/slate/test/transforms/insertText/selection/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-middle.js
rename to packages/slate/test/transforms/insertText/selection/block-middle.tsx
index 5bce69a0a..c0d8e04ec 100644
--- a/packages/slate/test/transforms/insertText/selection/block-middle.js
+++ b/packages/slate/test/transforms/insertText/selection/block-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'a')
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/selection/block-start-words.js b/packages/slate/test/transforms/insertText/selection/block-start-words.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-start-words.js
rename to packages/slate/test/transforms/insertText/selection/block-start-words.tsx
index 61a903015..5b7986874 100644
--- a/packages/slate/test/transforms/insertText/selection/block-start-words.js
+++ b/packages/slate/test/transforms/insertText/selection/block-start-words.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'a few words')
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/selection/block-start.js b/packages/slate/test/transforms/insertText/selection/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-start.js
rename to packages/slate/test/transforms/insertText/selection/block-start.tsx
index c4da3a961..55e49cc64 100644
--- a/packages/slate/test/transforms/insertText/selection/block-start.js
+++ b/packages/slate/test/transforms/insertText/selection/block-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'a')
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/selection/block-void.js b/packages/slate/test/transforms/insertText/selection/block-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/block-void.js
rename to packages/slate/test/transforms/insertText/selection/block-void.tsx
index 0c3e7af8e..b79c7c1ea 100644
--- a/packages/slate/test/transforms/insertText/selection/block-void.js
+++ b/packages/slate/test/transforms/insertText/selection/block-void.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.insertText(editor, 'a')
 }
-
 export const input = (
   <editor>
     <block void>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/insertText/selection/inline-end.js b/packages/slate/test/transforms/insertText/selection/inline-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/selection/inline-end.js
rename to packages/slate/test/transforms/insertText/selection/inline-end.tsx
index f5b98b15a..ba5b89c95 100644
--- a/packages/slate/test/transforms/insertText/selection/inline-end.js
+++ b/packages/slate/test/transforms/insertText/selection/inline-end.tsx
@@ -1,11 +1,9 @@
 /** @jsx jsx */
-
 import { jsx } from '../../..'
 
 export const run = editor => {
   editor.insertText('four')
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/insertText/voids-false/block.js b/packages/slate/test/transforms/insertText/voids-false/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/voids-false/block.js
rename to packages/slate/test/transforms/insertText/voids-false/block.tsx
index 064af9b77..1028a6119 100644
--- a/packages/slate/test/transforms/insertText/voids-false/block.js
+++ b/packages/slate/test/transforms/insertText/voids-false/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: [0] })
 }
-
 export const output = (
   <editor>
     <block void>word</block>
diff --git a/packages/slate/test/transforms/insertText/voids-false/text.js b/packages/slate/test/transforms/insertText/voids-false/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/voids-false/text.js
rename to packages/slate/test/transforms/insertText/voids-false/text.tsx
index eaf9393f5..029bb2f24 100644
--- a/packages/slate/test/transforms/insertText/voids-false/text.js
+++ b/packages/slate/test/transforms/insertText/voids-false/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: [0, 0] })
 }
-
 export const output = (
   <editor>
     <block void>word</block>
diff --git a/packages/slate/test/transforms/insertText/voids-true/block.js b/packages/slate/test/transforms/insertText/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/voids-true/block.js
rename to packages/slate/test/transforms/insertText/voids-true/block.tsx
index 92d8528a5..3dd87123b 100644
--- a/packages/slate/test/transforms/insertText/voids-true/block.js
+++ b/packages/slate/test/transforms/insertText/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: [0], voids: true })
 }
-
 export const output = (
   <editor>
     <block void>x</block>
diff --git a/packages/slate/test/transforms/insertText/voids-true/text.js b/packages/slate/test/transforms/insertText/voids-true/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/insertText/voids-true/text.js
rename to packages/slate/test/transforms/insertText/voids-true/text.tsx
index 0ce40c19f..6819ff556 100644
--- a/packages/slate/test/transforms/insertText/voids-true/text.js
+++ b/packages/slate/test/transforms/insertText/voids-true/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.insertText(editor, 'x', { at: [0, 0], voids: true })
 }
-
 export const output = (
   <editor>
     <block void>x</block>
diff --git a/packages/slate/test/transforms/liftNodes/path/block.js b/packages/slate/test/transforms/liftNodes/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/liftNodes/path/block.js
rename to packages/slate/test/transforms/liftNodes/path/block.tsx
index f2ee7351f..95fe73279 100644
--- a/packages/slate/test/transforms/liftNodes/path/block.js
+++ b/packages/slate/test/transforms/liftNodes/path/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.liftNodes(editor, { at: [0, 0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>word</block>
diff --git a/packages/slate/test/transforms/liftNodes/path/first-block.js b/packages/slate/test/transforms/liftNodes/path/first-block.tsx
similarity index 99%
rename from packages/slate/test/transforms/liftNodes/path/first-block.js
rename to packages/slate/test/transforms/liftNodes/path/first-block.tsx
index 4be563b07..6a5638fbc 100644
--- a/packages/slate/test/transforms/liftNodes/path/first-block.js
+++ b/packages/slate/test/transforms/liftNodes/path/first-block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.liftNodes(editor, { at: [0, 0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/liftNodes/path/last-block.js b/packages/slate/test/transforms/liftNodes/path/last-block.tsx
similarity index 99%
rename from packages/slate/test/transforms/liftNodes/path/last-block.js
rename to packages/slate/test/transforms/liftNodes/path/last-block.tsx
index 522e6a68c..706631177 100644
--- a/packages/slate/test/transforms/liftNodes/path/last-block.js
+++ b/packages/slate/test/transforms/liftNodes/path/last-block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.liftNodes(editor, { at: [0, 1] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/liftNodes/path/middle-block.js b/packages/slate/test/transforms/liftNodes/path/middle-block.tsx
similarity index 99%
rename from packages/slate/test/transforms/liftNodes/path/middle-block.js
rename to packages/slate/test/transforms/liftNodes/path/middle-block.tsx
index 71ab7f9ff..ff8f76abd 100644
--- a/packages/slate/test/transforms/liftNodes/path/middle-block.js
+++ b/packages/slate/test/transforms/liftNodes/path/middle-block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.liftNodes(editor, { at: [0, 1] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/liftNodes/selection/block-full.js b/packages/slate/test/transforms/liftNodes/selection/block-full.tsx
similarity index 99%
rename from packages/slate/test/transforms/liftNodes/selection/block-full.js
rename to packages/slate/test/transforms/liftNodes/selection/block-full.tsx
index c70837d9d..bda7d5440 100644
--- a/packages/slate/test/transforms/liftNodes/selection/block-full.js
+++ b/packages/slate/test/transforms/liftNodes/selection/block-full.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.liftNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/liftNodes/selection/block-nested.js b/packages/slate/test/transforms/liftNodes/selection/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/liftNodes/selection/block-nested.js
rename to packages/slate/test/transforms/liftNodes/selection/block-nested.tsx
index f06eebb86..7c15b9660 100644
--- a/packages/slate/test/transforms/liftNodes/selection/block-nested.js
+++ b/packages/slate/test/transforms/liftNodes/selection/block-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.liftNodes(editor, { match: n => n.c })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/liftNodes/voids-true/block.js b/packages/slate/test/transforms/liftNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/liftNodes/voids-true/block.js
rename to packages/slate/test/transforms/liftNodes/voids-true/block.tsx
index 55146c176..c1371bec9 100644
--- a/packages/slate/test/transforms/liftNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/liftNodes/voids-true/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.liftNodes(editor, { at: [0, 0], voids: true })
 }
-
 export const input = (
   <editor>
     <block void>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>word</block>
diff --git a/packages/slate/test/transforms/mergeNodes/depth-block/block.js b/packages/slate/test/transforms/mergeNodes/depth-block/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/mergeNodes/depth-block/block.js
rename to packages/slate/test/transforms/mergeNodes/depth-block/block.tsx
index 40a8ce7a6..41ed58347 100644
--- a/packages/slate/test/transforms/mergeNodes/depth-block/block.js
+++ b/packages/slate/test/transforms/mergeNodes/depth-block/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,11 +11,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.mergeNodes(editor, { match: n => Editor.isBlock(editor, n) })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/mergeNodes/path/block-nested.js b/packages/slate/test/transforms/mergeNodes/path/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/mergeNodes/path/block-nested.js
rename to packages/slate/test/transforms/mergeNodes/path/block-nested.tsx
index d34937b37..c15afeae4 100644
--- a/packages/slate/test/transforms/mergeNodes/path/block-nested.js
+++ b/packages/slate/test/transforms/mergeNodes/path/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,14 +12,12 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.mergeNodes(editor, {
     at: [1],
     withMatch: ([, p]) => p.length === 1,
   })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/mergeNodes/path/block.js b/packages/slate/test/transforms/mergeNodes/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/mergeNodes/path/block.js
rename to packages/slate/test/transforms/mergeNodes/path/block.tsx
index 0c2f94d7f..a092e082b 100644
--- a/packages/slate/test/transforms/mergeNodes/path/block.js
+++ b/packages/slate/test/transforms/mergeNodes/path/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.mergeNodes(editor, { at: [1] })
 }
-
 export const output = (
   <editor>
     <block>onetwo</block>
diff --git a/packages/slate/test/transforms/mergeNodes/path/text-across.js b/packages/slate/test/transforms/mergeNodes/path/text-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/mergeNodes/path/text-across.js
rename to packages/slate/test/transforms/mergeNodes/path/text-across.tsx
index c31ea214e..613b603b8 100644
--- a/packages/slate/test/transforms/mergeNodes/path/text-across.js
+++ b/packages/slate/test/transforms/mergeNodes/path/text-across.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms, Text } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.mergeNodes(editor, { at: [1, 0], match: Text.isText })
 }
-
 export const output = (
   <editor>
     <block>onetwo</block>
diff --git a/packages/slate/test/transforms/mergeNodes/voids-true/block.js b/packages/slate/test/transforms/mergeNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/mergeNodes/voids-true/block.js
rename to packages/slate/test/transforms/mergeNodes/voids-true/block.tsx
index 88fa897e7..52849bfbd 100644
--- a/packages/slate/test/transforms/mergeNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/mergeNodes/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,11 +10,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.mergeNodes(editor, { at: [0, 1], voids: true })
 }
-
 export const output = (
   <editor>
     <block void>onetwo</block>
diff --git a/packages/slate/test/transforms/move/anchor/backward.js b/packages/slate/test/transforms/move/anchor/backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/anchor/backward.js
rename to packages/slate/test/transforms/move/anchor/backward.tsx
index 4360b1538..2749c6e15 100644
--- a/packages/slate/test/transforms/move/anchor/backward.js
+++ b/packages/slate/test/transforms/move/anchor/backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'anchor' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/anchor/basic.js b/packages/slate/test/transforms/move/anchor/basic.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/anchor/basic.js
rename to packages/slate/test/transforms/move/anchor/basic.tsx
index 76819b0de..df165917d 100644
--- a/packages/slate/test/transforms/move/anchor/basic.js
+++ b/packages/slate/test/transforms/move/anchor/basic.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'anchor' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/anchor/collapsed.js b/packages/slate/test/transforms/move/anchor/collapsed.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/anchor/collapsed.js
rename to packages/slate/test/transforms/move/anchor/collapsed.tsx
index 06975f6b3..6da1688b6 100644
--- a/packages/slate/test/transforms/move/anchor/collapsed.js
+++ b/packages/slate/test/transforms/move/anchor/collapsed.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'anchor' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/anchor/distance.js b/packages/slate/test/transforms/move/anchor/distance.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/anchor/distance.js
rename to packages/slate/test/transforms/move/anchor/distance.tsx
index e66a8baf3..1910264d6 100644
--- a/packages/slate/test/transforms/move/anchor/distance.js
+++ b/packages/slate/test/transforms/move/anchor/distance.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'anchor', distance: 3 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/anchor/reverse-backward.js b/packages/slate/test/transforms/move/anchor/reverse-backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/anchor/reverse-backward.js
rename to packages/slate/test/transforms/move/anchor/reverse-backward.tsx
index 3c3eedf03..24d586514 100644
--- a/packages/slate/test/transforms/move/anchor/reverse-backward.js
+++ b/packages/slate/test/transforms/move/anchor/reverse-backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'anchor', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/anchor/reverse-basic.js b/packages/slate/test/transforms/move/anchor/reverse-basic.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/anchor/reverse-basic.js
rename to packages/slate/test/transforms/move/anchor/reverse-basic.tsx
index 5020badad..c299c07a6 100644
--- a/packages/slate/test/transforms/move/anchor/reverse-basic.js
+++ b/packages/slate/test/transforms/move/anchor/reverse-basic.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'anchor', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/anchor/reverse-collapsed.js b/packages/slate/test/transforms/move/anchor/reverse-collapsed.js
deleted file mode 100644
index 2481d76b8..000000000
--- a/packages/slate/test/transforms/move/anchor/reverse-collapsed.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.move(editor, { edge: 'anchor', reverse: true })
-}
-
-export const input = (
-  <editor>
-    <block>
-      one two t<cursor />
-      hree
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      one two <anchor />t<focus />
-      hree
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/move/anchor/reverse-distance.js b/packages/slate/test/transforms/move/anchor/reverse-distance.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/anchor/reverse-distance.js
rename to packages/slate/test/transforms/move/anchor/reverse-distance.tsx
index 0f5a0ea59..c587eaa7f 100644
--- a/packages/slate/test/transforms/move/anchor/reverse-distance.js
+++ b/packages/slate/test/transforms/move/anchor/reverse-distance.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'anchor', reverse: true, distance: 3 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/backward-reverse.js b/packages/slate/test/transforms/move/both/backward-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/backward-reverse.js
rename to packages/slate/test/transforms/move/both/backward-reverse.tsx
index 277e28cc4..d0a87cdf0 100644
--- a/packages/slate/test/transforms/move/both/backward-reverse.js
+++ b/packages/slate/test/transforms/move/both/backward-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/backward.js b/packages/slate/test/transforms/move/both/backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/backward.js
rename to packages/slate/test/transforms/move/both/backward.tsx
index f78e287ed..81704d5e1 100644
--- a/packages/slate/test/transforms/move/both/backward.js
+++ b/packages/slate/test/transforms/move/both/backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/basic-reverse.js b/packages/slate/test/transforms/move/both/basic-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/basic-reverse.js
rename to packages/slate/test/transforms/move/both/basic-reverse.tsx
index dcc46e726..aa599205c 100644
--- a/packages/slate/test/transforms/move/both/basic-reverse.js
+++ b/packages/slate/test/transforms/move/both/basic-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/collapsed.js b/packages/slate/test/transforms/move/both/collapsed.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/collapsed.js
rename to packages/slate/test/transforms/move/both/collapsed.tsx
index 41b7d7d8b..c61b3a518 100644
--- a/packages/slate/test/transforms/move/both/collapsed.js
+++ b/packages/slate/test/transforms/move/both/collapsed.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/distance-reverse.js b/packages/slate/test/transforms/move/both/distance-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/distance-reverse.js
rename to packages/slate/test/transforms/move/both/distance-reverse.tsx
index ad3b1f661..450086e1d 100644
--- a/packages/slate/test/transforms/move/both/distance-reverse.js
+++ b/packages/slate/test/transforms/move/both/distance-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { reverse: true, distance: 6 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/distance.js b/packages/slate/test/transforms/move/both/distance.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/distance.js
rename to packages/slate/test/transforms/move/both/distance.tsx
index 8902d8237..81c1894e4 100644
--- a/packages/slate/test/transforms/move/both/distance.js
+++ b/packages/slate/test/transforms/move/both/distance.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { distance: 6 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/expanded-reverse.js b/packages/slate/test/transforms/move/both/expanded-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/expanded-reverse.js
rename to packages/slate/test/transforms/move/both/expanded-reverse.tsx
index e2c73d059..4b117c070 100644
--- a/packages/slate/test/transforms/move/both/expanded-reverse.js
+++ b/packages/slate/test/transforms/move/both/expanded-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/expanded.js b/packages/slate/test/transforms/move/both/expanded.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/expanded.js
rename to packages/slate/test/transforms/move/both/expanded.tsx
index 6e243c34f..c53b0d8bf 100644
--- a/packages/slate/test/transforms/move/both/expanded.js
+++ b/packages/slate/test/transforms/move/both/expanded.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/unit-word-reverse.js b/packages/slate/test/transforms/move/both/unit-word-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/unit-word-reverse.js
rename to packages/slate/test/transforms/move/both/unit-word-reverse.tsx
index 6bdaa4103..b6941d35c 100644
--- a/packages/slate/test/transforms/move/both/unit-word-reverse.js
+++ b/packages/slate/test/transforms/move/both/unit-word-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { reverse: true, unit: 'word' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/both/unit-word.js b/packages/slate/test/transforms/move/both/unit-word.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/both/unit-word.js
rename to packages/slate/test/transforms/move/both/unit-word.tsx
index 5f4815524..5b60fa701 100644
--- a/packages/slate/test/transforms/move/both/unit-word.js
+++ b/packages/slate/test/transforms/move/both/unit-word.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { unit: 'word' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/backward-reverse.js b/packages/slate/test/transforms/move/end/backward-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/backward-reverse.js
rename to packages/slate/test/transforms/move/end/backward-reverse.tsx
index cdee112dc..63b59c50d 100644
--- a/packages/slate/test/transforms/move/end/backward-reverse.js
+++ b/packages/slate/test/transforms/move/end/backward-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/backward.js b/packages/slate/test/transforms/move/end/backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/backward.js
rename to packages/slate/test/transforms/move/end/backward.tsx
index 765ba72c2..f9ba21817 100644
--- a/packages/slate/test/transforms/move/end/backward.js
+++ b/packages/slate/test/transforms/move/end/backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/collapsed-reverse.js b/packages/slate/test/transforms/move/end/collapsed-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/collapsed-reverse.js
rename to packages/slate/test/transforms/move/end/collapsed-reverse.tsx
index 925ee7291..329ba788b 100644
--- a/packages/slate/test/transforms/move/end/collapsed-reverse.js
+++ b/packages/slate/test/transforms/move/end/collapsed-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/collapsed.js b/packages/slate/test/transforms/move/end/collapsed.js
deleted file mode 100644
index eabb57eae..000000000
--- a/packages/slate/test/transforms/move/end/collapsed.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.move(editor, { edge: 'end' })
-}
-
-export const input = (
-  <editor>
-    <block>
-      one two t<cursor />
-      hree
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      one two t<anchor />h<focus />
-      ree
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/move/end/distance-reverse.js b/packages/slate/test/transforms/move/end/distance-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/distance-reverse.js
rename to packages/slate/test/transforms/move/end/distance-reverse.tsx
index bccb443c6..e530daee0 100644
--- a/packages/slate/test/transforms/move/end/distance-reverse.js
+++ b/packages/slate/test/transforms/move/end/distance-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end', reverse: true, distance: 3 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/distance.js b/packages/slate/test/transforms/move/end/distance.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/distance.js
rename to packages/slate/test/transforms/move/end/distance.tsx
index cc6214357..e8793b395 100644
--- a/packages/slate/test/transforms/move/end/distance.js
+++ b/packages/slate/test/transforms/move/end/distance.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end', distance: 3 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/expanded-reverse.js b/packages/slate/test/transforms/move/end/expanded-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/expanded-reverse.js
rename to packages/slate/test/transforms/move/end/expanded-reverse.tsx
index e780edc04..01b9f6242 100644
--- a/packages/slate/test/transforms/move/end/expanded-reverse.js
+++ b/packages/slate/test/transforms/move/end/expanded-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/expanded.js b/packages/slate/test/transforms/move/end/expanded.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/expanded.js
rename to packages/slate/test/transforms/move/end/expanded.tsx
index 09249f010..187cc5331 100644
--- a/packages/slate/test/transforms/move/end/expanded.js
+++ b/packages/slate/test/transforms/move/end/expanded.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/from-backward-reverse.js b/packages/slate/test/transforms/move/end/from-backward-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/from-backward-reverse.js
rename to packages/slate/test/transforms/move/end/from-backward-reverse.tsx
index edd828f6f..ee7b019e5 100644
--- a/packages/slate/test/transforms/move/end/from-backward-reverse.js
+++ b/packages/slate/test/transforms/move/end/from-backward-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end', reverse: true, distance: 7 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/end/to-backward-reverse.js b/packages/slate/test/transforms/move/end/to-backward-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/end/to-backward-reverse.js
rename to packages/slate/test/transforms/move/end/to-backward-reverse.tsx
index ce9915d6d..fed47063f 100644
--- a/packages/slate/test/transforms/move/end/to-backward-reverse.js
+++ b/packages/slate/test/transforms/move/end/to-backward-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'end', reverse: true, distance: 6 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/focus/backward.js b/packages/slate/test/transforms/move/focus/backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/focus/backward.js
rename to packages/slate/test/transforms/move/focus/backward.tsx
index 5c13ed156..a97e5a05f 100644
--- a/packages/slate/test/transforms/move/focus/backward.js
+++ b/packages/slate/test/transforms/move/focus/backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'focus', distance: 7 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/focus/collapsed-reverse.js b/packages/slate/test/transforms/move/focus/collapsed-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/focus/collapsed-reverse.js
rename to packages/slate/test/transforms/move/focus/collapsed-reverse.tsx
index 86bec352a..58391248e 100644
--- a/packages/slate/test/transforms/move/focus/collapsed-reverse.js
+++ b/packages/slate/test/transforms/move/focus/collapsed-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'focus', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/focus/collapsed.js b/packages/slate/test/transforms/move/focus/collapsed.js
deleted file mode 100644
index 7476033ef..000000000
--- a/packages/slate/test/transforms/move/focus/collapsed.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.move(editor, { edge: 'focus' })
-}
-
-export const input = (
-  <editor>
-    <block>
-      one two t<cursor />
-      hree
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      one two t<anchor />h<focus />
-      ree
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/move/focus/distance-reverse.js b/packages/slate/test/transforms/move/focus/distance-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/focus/distance-reverse.js
rename to packages/slate/test/transforms/move/focus/distance-reverse.tsx
index 7d672494e..d183e2b93 100644
--- a/packages/slate/test/transforms/move/focus/distance-reverse.js
+++ b/packages/slate/test/transforms/move/focus/distance-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'focus', reverse: true, distance: 6 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/focus/distance.js b/packages/slate/test/transforms/move/focus/distance.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/focus/distance.js
rename to packages/slate/test/transforms/move/focus/distance.tsx
index 18ac1e3da..1241e307c 100644
--- a/packages/slate/test/transforms/move/focus/distance.js
+++ b/packages/slate/test/transforms/move/focus/distance.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'focus', distance: 4 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/focus/expanded-reverse.js b/packages/slate/test/transforms/move/focus/expanded-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/focus/expanded-reverse.js
rename to packages/slate/test/transforms/move/focus/expanded-reverse.tsx
index 5f55c947a..223621cbc 100644
--- a/packages/slate/test/transforms/move/focus/expanded-reverse.js
+++ b/packages/slate/test/transforms/move/focus/expanded-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'focus', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/focus/expanded.js b/packages/slate/test/transforms/move/focus/expanded.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/focus/expanded.js
rename to packages/slate/test/transforms/move/focus/expanded.tsx
index b5f7836eb..a78143ed2 100644
--- a/packages/slate/test/transforms/move/focus/expanded.js
+++ b/packages/slate/test/transforms/move/focus/expanded.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'focus' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/focus/to-backward-reverse.js b/packages/slate/test/transforms/move/focus/to-backward-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/focus/to-backward-reverse.js
rename to packages/slate/test/transforms/move/focus/to-backward-reverse.tsx
index eb6388b8e..4ca845385 100644
--- a/packages/slate/test/transforms/move/focus/to-backward-reverse.js
+++ b/packages/slate/test/transforms/move/focus/to-backward-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'focus', reverse: true, distance: 10 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/backward-reverse.js b/packages/slate/test/transforms/move/start/backward-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/backward-reverse.js
rename to packages/slate/test/transforms/move/start/backward-reverse.tsx
index 42d7317a3..5655f2931 100644
--- a/packages/slate/test/transforms/move/start/backward-reverse.js
+++ b/packages/slate/test/transforms/move/start/backward-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/backward.js b/packages/slate/test/transforms/move/start/backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/backward.js
rename to packages/slate/test/transforms/move/start/backward.tsx
index 783ae29d6..68bea5f64 100644
--- a/packages/slate/test/transforms/move/start/backward.js
+++ b/packages/slate/test/transforms/move/start/backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/collapsed-reverse.js b/packages/slate/test/transforms/move/start/collapsed-reverse.js
deleted file mode 100644
index acd19ef8c..000000000
--- a/packages/slate/test/transforms/move/start/collapsed-reverse.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.move(editor, { edge: 'start', reverse: true })
-}
-
-export const input = (
-  <editor>
-    <block>
-      one two t<cursor />
-      hree
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      one two <anchor />t<focus />
-      hree
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/move/start/collapsed.js b/packages/slate/test/transforms/move/start/collapsed.js
deleted file mode 100644
index 55a1e3239..000000000
--- a/packages/slate/test/transforms/move/start/collapsed.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.move(editor, { edge: 'start' })
-}
-
-export const input = (
-  <editor>
-    <block>
-      one two t<cursor />
-      hree
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      one two t<focus />h<anchor />
-      ree
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/move/start/distance-reverse.js b/packages/slate/test/transforms/move/start/distance-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/distance-reverse.js
rename to packages/slate/test/transforms/move/start/distance-reverse.tsx
index 395883e7e..06a3a3186 100644
--- a/packages/slate/test/transforms/move/start/distance-reverse.js
+++ b/packages/slate/test/transforms/move/start/distance-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start', reverse: true, distance: 3 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/distance.js b/packages/slate/test/transforms/move/start/distance.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/distance.js
rename to packages/slate/test/transforms/move/start/distance.tsx
index dbf66529b..d446450cb 100644
--- a/packages/slate/test/transforms/move/start/distance.js
+++ b/packages/slate/test/transforms/move/start/distance.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start', distance: 3 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/expanded-reverse.js b/packages/slate/test/transforms/move/start/expanded-reverse.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/expanded-reverse.js
rename to packages/slate/test/transforms/move/start/expanded-reverse.tsx
index c7a07cf26..68d0d5967 100644
--- a/packages/slate/test/transforms/move/start/expanded-reverse.js
+++ b/packages/slate/test/transforms/move/start/expanded-reverse.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start', reverse: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/expanded.js b/packages/slate/test/transforms/move/start/expanded.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/expanded.js
rename to packages/slate/test/transforms/move/start/expanded.tsx
index 37b45e615..6bbf2e2ec 100644
--- a/packages/slate/test/transforms/move/start/expanded.js
+++ b/packages/slate/test/transforms/move/start/expanded.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/from-backward.js b/packages/slate/test/transforms/move/start/from-backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/from-backward.js
rename to packages/slate/test/transforms/move/start/from-backward.tsx
index 73a2ec7d9..b6e5e6cef 100644
--- a/packages/slate/test/transforms/move/start/from-backward.js
+++ b/packages/slate/test/transforms/move/start/from-backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start', distance: 7 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/move/start/to-backward.js b/packages/slate/test/transforms/move/start/to-backward.tsx
similarity index 99%
rename from packages/slate/test/transforms/move/start/to-backward.js
rename to packages/slate/test/transforms/move/start/to-backward.tsx
index 6b6b5dc12..5881d734d 100644
--- a/packages/slate/test/transforms/move/start/to-backward.js
+++ b/packages/slate/test/transforms/move/start/to-backward.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.move(editor, { edge: 'start', distance: 8 })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/moveNodes/path/block.js b/packages/slate/test/transforms/moveNodes/path/block.js
deleted file mode 100644
index 0941167a0..000000000
--- a/packages/slate/test/transforms/moveNodes/path/block.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const input = (
-  <editor>
-    <block>
-      <cursor />
-      one
-    </block>
-    <block>two</block>
-  </editor>
-)
-
-export const run = editor => {
-  Transforms.moveNodes(editor, { at: [0], to: [1] })
-}
-
-export const output = (
-  <editor>
-    <block>two</block>
-    <block>
-      <cursor />
-      one
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/moveNodes/path/inline.js b/packages/slate/test/transforms/moveNodes/path/inline.js
deleted file mode 100644
index d2622cd78..000000000
--- a/packages/slate/test/transforms/moveNodes/path/inline.js
+++ /dev/null
@@ -1,38 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>
-        <cursor />
-        one
-      </inline>
-      <text />
-      <inline>two</inline>
-      <text />
-    </block>
-  </editor>
-)
-
-export const run = editor => {
-  Transforms.moveNodes(editor, { at: [0, 1], to: [0, 3] })
-}
-
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline>two</inline>
-      <text />
-      <inline>
-        <cursor />
-        one
-      </inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/moveNodes/path/to-sibling.js b/packages/slate/test/transforms/moveNodes/path/inside-next.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/path/to-sibling.js
rename to packages/slate/test/transforms/moveNodes/path/inside-next.tsx
index bffc6cf0e..cb1778a76 100644
--- a/packages/slate/test/transforms/moveNodes/path/to-sibling.js
+++ b/packages/slate/test/transforms/moveNodes/path/inside-next.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, { at: [0], to: [1, 1] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/moveNodes/path/nested.js b/packages/slate/test/transforms/moveNodes/path/nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/path/nested.js
rename to packages/slate/test/transforms/moveNodes/path/nested.tsx
index 4d5acc66b..7bdb6c2c1 100644
--- a/packages/slate/test/transforms/moveNodes/path/nested.js
+++ b/packages/slate/test/transforms/moveNodes/path/nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, { at: [0, 0], to: [1, 0] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/moveNodes/path/noop-equal.js b/packages/slate/test/transforms/moveNodes/path/noop-equal.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/path/noop-equal.js
rename to packages/slate/test/transforms/moveNodes/path/noop-equal.tsx
index a71976a4c..2aca811ea 100644
--- a/packages/slate/test/transforms/moveNodes/path/noop-equal.js
+++ b/packages/slate/test/transforms/moveNodes/path/noop-equal.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>2</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, { at: [1], to: [1] })
 }
-
 export const output = (
   <editor>
     <block>1</block>
diff --git a/packages/slate/test/transforms/moveNodes/path/sibling-swap.js b/packages/slate/test/transforms/moveNodes/path/sibling-swap.js
deleted file mode 100644
index 0941167a0..000000000
--- a/packages/slate/test/transforms/moveNodes/path/sibling-swap.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const input = (
-  <editor>
-    <block>
-      <cursor />
-      one
-    </block>
-    <block>two</block>
-  </editor>
-)
-
-export const run = editor => {
-  Transforms.moveNodes(editor, { at: [0], to: [1] })
-}
-
-export const output = (
-  <editor>
-    <block>two</block>
-    <block>
-      <cursor />
-      one
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/moveNodes/path/text-nodes.js b/packages/slate/test/transforms/moveNodes/path/text-nodes.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/path/text-nodes.js
rename to packages/slate/test/transforms/moveNodes/path/text-nodes.tsx
index e4ca2831b..1a21bd9db 100644
--- a/packages/slate/test/transforms/moveNodes/path/text-nodes.js
+++ b/packages/slate/test/transforms/moveNodes/path/text-nodes.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,11 +11,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, { at: [0, 0], to: [1, 0] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/moveNodes/path/text.js b/packages/slate/test/transforms/moveNodes/path/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/path/text.js
rename to packages/slate/test/transforms/moveNodes/path/text.tsx
index 746899594..57703e1fa 100644
--- a/packages/slate/test/transforms/moveNodes/path/text.js
+++ b/packages/slate/test/transforms/moveNodes/path/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, { at: [1, 0], to: [0, 1] })
 }
-
 export const output = (
   <editor>
     <block>onetwo</block>
diff --git a/packages/slate/test/transforms/moveNodes/path/inside-next.js b/packages/slate/test/transforms/moveNodes/path/to-sibling.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/path/inside-next.js
rename to packages/slate/test/transforms/moveNodes/path/to-sibling.tsx
index bffc6cf0e..cb1778a76 100644
--- a/packages/slate/test/transforms/moveNodes/path/inside-next.js
+++ b/packages/slate/test/transforms/moveNodes/path/to-sibling.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, { at: [0], to: [1, 1] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/moveNodes/selection/block-nested-after.js b/packages/slate/test/transforms/moveNodes/selection/block-nested-after.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/selection/block-nested-after.js
rename to packages/slate/test/transforms/moveNodes/selection/block-nested-after.tsx
index 2af05a855..2b35f1055 100644
--- a/packages/slate/test/transforms/moveNodes/selection/block-nested-after.js
+++ b/packages/slate/test/transforms/moveNodes/selection/block-nested-after.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     to: [1],
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/moveNodes/selection/block-nested-before.js b/packages/slate/test/transforms/moveNodes/selection/block-nested-before.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/selection/block-nested-before.js
rename to packages/slate/test/transforms/moveNodes/selection/block-nested-before.tsx
index a741b806a..ede4f0056 100644
--- a/packages/slate/test/transforms/moveNodes/selection/block-nested-before.js
+++ b/packages/slate/test/transforms/moveNodes/selection/block-nested-before.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     to: [0],
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -24,7 +22,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/moveNodes/selection/block.js b/packages/slate/test/transforms/moveNodes/selection/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/selection/block.js
rename to packages/slate/test/transforms/moveNodes/selection/block.tsx
index 88d014f74..98aa39f1f 100644
--- a/packages/slate/test/transforms/moveNodes/selection/block.js
+++ b/packages/slate/test/transforms/moveNodes/selection/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,14 +11,12 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, {
     match: n => Editor.isBlock(editor, n),
     to: [1],
   })
 }
-
 export const output = (
   <editor>
     <block>two</block>
diff --git a/packages/slate/test/transforms/moveNodes/voids-true/block.js b/packages/slate/test/transforms/moveNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/voids-true/block.js
rename to packages/slate/test/transforms/moveNodes/voids-true/block.tsx
index 692ae61b7..f5e713c4d 100644
--- a/packages/slate/test/transforms/moveNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/moveNodes/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const input = (
     <block void>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, {
     at: [0, 0],
@@ -17,7 +15,6 @@ export const run = editor => {
     voids: true,
   })
 }
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/moveNodes/voids-true/inline.js b/packages/slate/test/transforms/moveNodes/voids-true/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/moveNodes/voids-true/inline.js
rename to packages/slate/test/transforms/moveNodes/voids-true/inline.tsx
index d2622cd78..c147f64a2 100644
--- a/packages/slate/test/transforms/moveNodes/voids-true/inline.js
+++ b/packages/slate/test/transforms/moveNodes/voids-true/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -17,11 +16,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.moveNodes(editor, { at: [0, 1], to: [0, 3] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/removeNodes/path/block-nested.js b/packages/slate/test/transforms/removeNodes/path/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/path/block-nested.js
rename to packages/slate/test/transforms/removeNodes/path/block-nested.tsx
index f73c833e0..8163a288d 100644
--- a/packages/slate/test/transforms/removeNodes/path/block-nested.js
+++ b/packages/slate/test/transforms/removeNodes/path/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0, 0] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/removeNodes/path/block.js b/packages/slate/test/transforms/removeNodes/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/path/block.js
rename to packages/slate/test/transforms/removeNodes/path/block.tsx
index 4cd6a25ad..e7d7b3922 100644
--- a/packages/slate/test/transforms/removeNodes/path/block.js
+++ b/packages/slate/test/transforms/removeNodes/path/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0] })
 }
-
 export const output = (
   <editor>
     <block>two</block>
diff --git a/packages/slate/test/transforms/removeNodes/path/inline.js b/packages/slate/test/transforms/removeNodes/path/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/path/inline.js
rename to packages/slate/test/transforms/removeNodes/path/inline.tsx
index 3ee1415fe..bc4892315 100644
--- a/packages/slate/test/transforms/removeNodes/path/inline.js
+++ b/packages/slate/test/transforms/removeNodes/path/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0, 1] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/removeNodes/path/text.js b/packages/slate/test/transforms/removeNodes/path/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/path/text.js
rename to packages/slate/test/transforms/removeNodes/path/text.tsx
index 8600f841f..7209f19a8 100644
--- a/packages/slate/test/transforms/removeNodes/path/text.js
+++ b/packages/slate/test/transforms/removeNodes/path/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,11 +8,9 @@ export const input = (
     <block>two</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [1, 0] })
 }
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/removeNodes/select/block-only-void.js b/packages/slate/test/transforms/removeNodes/select/block-only-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/select/block-only-void.js
rename to packages/slate/test/transforms/removeNodes/select/block-only-void.tsx
index 420957c4b..f9ea27be1 100644
--- a/packages/slate/test/transforms/removeNodes/select/block-only-void.js
+++ b/packages/slate/test/transforms/removeNodes/select/block-only-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,9 +10,7 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0] })
 }
-
 export const output = <editor />
diff --git a/packages/slate/test/transforms/removeNodes/select/block-void-multiple-texts.js b/packages/slate/test/transforms/removeNodes/select/block-void-multiple-texts.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/select/block-void-multiple-texts.js
rename to packages/slate/test/transforms/removeNodes/select/block-void-multiple-texts.tsx
index 2535b1de2..66ec886a5 100644
--- a/packages/slate/test/transforms/removeNodes/select/block-void-multiple-texts.js
+++ b/packages/slate/test/transforms/removeNodes/select/block-void-multiple-texts.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -15,11 +14,9 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/removeNodes/select/block-void.js b/packages/slate/test/transforms/removeNodes/select/block-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/select/block-void.js
rename to packages/slate/test/transforms/removeNodes/select/block-void.tsx
index 855df6efa..2a9ffbbdb 100644
--- a/packages/slate/test/transforms/removeNodes/select/block-void.js
+++ b/packages/slate/test/transforms/removeNodes/select/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0] })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/removeNodes/selection/block-across.js b/packages/slate/test/transforms/removeNodes/selection/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/selection/block-across.js
rename to packages/slate/test/transforms/removeNodes/selection/block-across.tsx
index 9d2e943ba..3092d6891 100644
--- a/packages/slate/test/transforms/removeNodes/selection/block-across.js
+++ b/packages/slate/test/transforms/removeNodes/selection/block-across.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -16,11 +15,9 @@ export const input = (
     <block>three</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor)
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/removeNodes/selection/block-all.js b/packages/slate/test/transforms/removeNodes/selection/block-all.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/selection/block-all.js
rename to packages/slate/test/transforms/removeNodes/selection/block-all.tsx
index 48c2cafa2..69cafbeba 100644
--- a/packages/slate/test/transforms/removeNodes/selection/block-all.js
+++ b/packages/slate/test/transforms/removeNodes/selection/block-all.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -15,9 +14,7 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor)
 }
-
 export const output = <editor />
diff --git a/packages/slate/test/transforms/removeNodes/voids-true/block.js b/packages/slate/test/transforms/removeNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/voids-true/block.js
rename to packages/slate/test/transforms/removeNodes/voids-true/block.tsx
index ffcfcc0e6..195263c1b 100644
--- a/packages/slate/test/transforms/removeNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/removeNodes/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>one</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0, 0], voids: true })
 }
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/removeNodes/voids-true/inline.js b/packages/slate/test/transforms/removeNodes/voids-true/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/removeNodes/voids-true/inline.js
rename to packages/slate/test/transforms/removeNodes/voids-true/inline.tsx
index d22292b93..193f51bf0 100644
--- a/packages/slate/test/transforms/removeNodes/voids-true/inline.js
+++ b/packages/slate/test/transforms/removeNodes/voids-true/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,11 +11,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.removeNodes(editor, { at: [0, 1, 0], voids: true })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/select/path.js b/packages/slate/test/transforms/select/path.tsx
similarity index 99%
rename from packages/slate/test/transforms/select/path.js
rename to packages/slate/test/transforms/select/path.tsx
index f11c87541..ff68bc746 100644
--- a/packages/slate/test/transforms/select/path.js
+++ b/packages/slate/test/transforms/select/path.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
 export const run = editor => {
   Transforms.select(editor, [0, 0])
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/select/point.js b/packages/slate/test/transforms/select/point.tsx
similarity index 99%
rename from packages/slate/test/transforms/select/point.js
rename to packages/slate/test/transforms/select/point.tsx
index 30d491e96..75ac97fc2 100644
--- a/packages/slate/test/transforms/select/point.js
+++ b/packages/slate/test/transforms/select/point.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     offset: 1,
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/select/range.js b/packages/slate/test/transforms/select/range.tsx
similarity index 99%
rename from packages/slate/test/transforms/select/range.js
rename to packages/slate/test/transforms/select/range.tsx
index 5049284d3..089dc36a1 100644
--- a/packages/slate/test/transforms/select/range.js
+++ b/packages/slate/test/transforms/select/range.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../..'
 
@@ -15,7 +14,6 @@ export const run = editor => {
     },
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -24,7 +22,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/block/block-across.js b/packages/slate/test/transforms/setNodes/block/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/block/block-across.js
rename to packages/slate/test/transforms/setNodes/block/block-across.tsx
index 434517e0d..61d33a12f 100644
--- a/packages/slate/test/transforms/setNodes/block/block-across.js
+++ b/packages/slate/test/transforms/setNodes/block/block-across.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isBlock(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block key>
diff --git a/packages/slate/test/transforms/setNodes/block/block-hanging.js b/packages/slate/test/transforms/setNodes/block/block-hanging.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/block/block-hanging.js
rename to packages/slate/test/transforms/setNodes/block/block-hanging.tsx
index b82ee30a6..26155e20f 100644
--- a/packages/slate/test/transforms/setNodes/block/block-hanging.js
+++ b/packages/slate/test/transforms/setNodes/block/block-hanging.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isBlock(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block key>
diff --git a/packages/slate/test/transforms/setNodes/block/block-nested.js b/packages/slate/test/transforms/setNodes/block/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/block/block-nested.js
rename to packages/slate/test/transforms/setNodes/block/block-nested.tsx
index 2558485ab..c26978c36 100644
--- a/packages/slate/test/transforms/setNodes/block/block-nested.js
+++ b/packages/slate/test/transforms/setNodes/block/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isBlock(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/block/block-void.js b/packages/slate/test/transforms/setNodes/block/block-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/block/block-void.js
rename to packages/slate/test/transforms/setNodes/block/block-void.tsx
index a8cb799dc..a889d93f4 100644
--- a/packages/slate/test/transforms/setNodes/block/block-void.js
+++ b/packages/slate/test/transforms/setNodes/block/block-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isBlock(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block void>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void key>
diff --git a/packages/slate/test/transforms/setNodes/block/block.js b/packages/slate/test/transforms/setNodes/block/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/block/block.js
rename to packages/slate/test/transforms/setNodes/block/block.tsx
index cb830d033..5450ae5f4 100644
--- a/packages/slate/test/transforms/setNodes/block/block.js
+++ b/packages/slate/test/transforms/setNodes/block/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isBlock(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block key>
diff --git a/packages/slate/test/transforms/setNodes/inline/inline-across.js b/packages/slate/test/transforms/setNodes/inline/inline-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/inline/inline-across.js
rename to packages/slate/test/transforms/setNodes/inline/inline-across.tsx
index 1ef9ce09a..4efca3d85 100644
--- a/packages/slate/test/transforms/setNodes/inline/inline-across.js
+++ b/packages/slate/test/transforms/setNodes/inline/inline-across.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isInline(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -31,7 +29,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/inline/inline-block-hanging.js b/packages/slate/test/transforms/setNodes/inline/inline-block-hanging.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/inline/inline-block-hanging.js
rename to packages/slate/test/transforms/setNodes/inline/inline-block-hanging.tsx
index 9bd224049..0ff4ce4b8 100644
--- a/packages/slate/test/transforms/setNodes/inline/inline-block-hanging.js
+++ b/packages/slate/test/transforms/setNodes/inline/inline-block-hanging.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isInline(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -31,7 +29,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/inline/inline-hanging.js b/packages/slate/test/transforms/setNodes/inline/inline-hanging.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/inline/inline-hanging.js
rename to packages/slate/test/transforms/setNodes/inline/inline-hanging.tsx
index b59c524a6..31f8dd1ae 100644
--- a/packages/slate/test/transforms/setNodes/inline/inline-hanging.js
+++ b/packages/slate/test/transforms/setNodes/inline/inline-hanging.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isInline(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/inline/inline-nested.js b/packages/slate/test/transforms/setNodes/inline/inline-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/inline/inline-nested.js
rename to packages/slate/test/transforms/setNodes/inline/inline-nested.tsx
index 80752db35..fbdd8c99a 100644
--- a/packages/slate/test/transforms/setNodes/inline/inline-nested.js
+++ b/packages/slate/test/transforms/setNodes/inline/inline-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isInline(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -27,7 +25,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/inline/inline-void.js b/packages/slate/test/transforms/setNodes/inline/inline-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/inline/inline-void.js
rename to packages/slate/test/transforms/setNodes/inline/inline-void.tsx
index e2a57d6de..6efecf97f 100644
--- a/packages/slate/test/transforms/setNodes/inline/inline-void.js
+++ b/packages/slate/test/transforms/setNodes/inline/inline-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isInline(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/inline/inline.js b/packages/slate/test/transforms/setNodes/inline/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/inline/inline.js
rename to packages/slate/test/transforms/setNodes/inline/inline.tsx
index 3dd499ed1..d02657f43 100644
--- a/packages/slate/test/transforms/setNodes/inline/inline.js
+++ b/packages/slate/test/transforms/setNodes/inline/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: n => Editor.isInline(editor, n) }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/path/block.js b/packages/slate/test/transforms/setNodes/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/path/block.js
rename to packages/slate/test/transforms/setNodes/path/block.tsx
index c1197ef68..dd31e960d 100644
--- a/packages/slate/test/transforms/setNodes/path/block.js
+++ b/packages/slate/test/transforms/setNodes/path/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.setNodes(editor, { key: 'a' }, { at: [0] })
 }
-
 export const output = (
   <editor>
     <block key="a">word</block>
diff --git a/packages/slate/test/transforms/setNodes/path/inline.js b/packages/slate/test/transforms/setNodes/path/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/path/inline.js
rename to packages/slate/test/transforms/setNodes/path/inline.tsx
index 44f932b8d..c68f94cb6 100644
--- a/packages/slate/test/transforms/setNodes/path/inline.js
+++ b/packages/slate/test/transforms/setNodes/path/inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.setNodes(editor, { key: 'a' }, { at: [0, 1] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/path/text.js b/packages/slate/test/transforms/setNodes/path/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/path/text.js
rename to packages/slate/test/transforms/setNodes/path/text.tsx
index fc45d29f9..5aa08fdc8 100644
--- a/packages/slate/test/transforms/setNodes/path/text.js
+++ b/packages/slate/test/transforms/setNodes/path/text.tsx
@@ -1,18 +1,15 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.setNodes(editor, { key: 'a' }, { at: [0, 0] })
 }
-
 export const input = (
   <editor>
     <block>word</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/split/text-remove.js b/packages/slate/test/transforms/setNodes/split/text-remove.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/split/text-remove.js
rename to packages/slate/test/transforms/setNodes/split/text-remove.tsx
index 9ee93bf07..9786e33c5 100644
--- a/packages/slate/test/transforms/setNodes/split/text-remove.js
+++ b/packages/slate/test/transforms/setNodes/split/text-remove.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms, Text } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: Text.isText, split: true }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/split/text.js b/packages/slate/test/transforms/setNodes/split/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/split/text.js
rename to packages/slate/test/transforms/setNodes/split/text.tsx
index a3482b7b1..996211074 100644
--- a/packages/slate/test/transforms/setNodes/split/text.js
+++ b/packages/slate/test/transforms/setNodes/split/text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms, Text } from 'slate'
 import { jsx } from '../../..'
 
@@ -10,7 +9,6 @@ export const run = editor => {
     { match: Text.isText, split: true }
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/text/block-across.js b/packages/slate/test/transforms/setNodes/text/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/text/block-across.js
rename to packages/slate/test/transforms/setNodes/text/block-across.tsx
index 230d9e95f..5e1b903a0 100644
--- a/packages/slate/test/transforms/setNodes/text/block-across.js
+++ b/packages/slate/test/transforms/setNodes/text/block-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms, Text } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.setNodes(editor, { key: true }, { match: Text.isText })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/text/text.js b/packages/slate/test/transforms/setNodes/text/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/text/text.js
rename to packages/slate/test/transforms/setNodes/text/text.tsx
index a5b18c874..eb65b81b2 100644
--- a/packages/slate/test/transforms/setNodes/text/text.js
+++ b/packages/slate/test/transforms/setNodes/text/text.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms, Text } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.setNodes(editor, { key: true }, { match: Text.isText })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/setNodes/voids-true/block.js b/packages/slate/test/transforms/setNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/setNodes/voids-true/block.js
rename to packages/slate/test/transforms/setNodes/voids-true/block.tsx
index 1120d9b1d..10e260025 100644
--- a/packages/slate/test/transforms/setNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/setNodes/voids-true/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -8,11 +7,9 @@ export const input = (
     <block void>word</block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.setNodes(editor, { key: true }, { at: [0, 0], voids: true })
 }
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/setNodes/voids-true/inline.js b/packages/slate/test/transforms/setNodes/voids-true/inline.js
deleted file mode 100644
index 44f932b8d..000000000
--- a/packages/slate/test/transforms/setNodes/voids-true/inline.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.setNodes(editor, { key: 'a' }, { at: [0, 1] })
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text />
-      <inline>word</inline>
-      <text />
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>
-      <text />
-      <inline key="a">word</inline>
-      <text />
-    </block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/setPoint/offset.js b/packages/slate/test/transforms/setPoint/offset.tsx
similarity index 99%
rename from packages/slate/test/transforms/setPoint/offset.js
rename to packages/slate/test/transforms/setPoint/offset.tsx
index babfcd2f9..af1f61805 100644
--- a/packages/slate/test/transforms/setPoint/offset.js
+++ b/packages/slate/test/transforms/setPoint/offset.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../..'
 
@@ -7,7 +6,6 @@ export const run = editor => {
   Transforms.move(editor)
   Transforms.setPoint(editor, { offset: 0 }, { edge: 'focus' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/always/after-inline-void.js b/packages/slate/test/transforms/splitNodes/always/after-inline-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/always/after-inline-void.js
rename to packages/slate/test/transforms/splitNodes/always/after-inline-void.tsx
index d08bfa0d5..64ea93d1d 100644
--- a/packages/slate/test/transforms/splitNodes/always/after-inline-void.js
+++ b/packages/slate/test/transforms/splitNodes/always/after-inline-void.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     always: true,
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/always/after-inline.js b/packages/slate/test/transforms/splitNodes/always/after-inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/always/after-inline.js
rename to packages/slate/test/transforms/splitNodes/always/after-inline.tsx
index 6d42093fb..ac37097a1 100644
--- a/packages/slate/test/transforms/splitNodes/always/after-inline.js
+++ b/packages/slate/test/transforms/splitNodes/always/after-inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     always: true,
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/always/before-inline.js b/packages/slate/test/transforms/splitNodes/always/before-inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/always/before-inline.js
rename to packages/slate/test/transforms/splitNodes/always/before-inline.tsx
index 7ff6cf8c2..85f3e4ce6 100644
--- a/packages/slate/test/transforms/splitNodes/always/before-inline.js
+++ b/packages/slate/test/transforms/splitNodes/always/before-inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     always: true,
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>word</block>
diff --git a/packages/slate/test/transforms/splitNodes/always/block-end.js b/packages/slate/test/transforms/splitNodes/always/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/always/block-end.js
rename to packages/slate/test/transforms/splitNodes/always/block-end.tsx
index 2b5546559..35b0fbcf5 100644
--- a/packages/slate/test/transforms/splitNodes/always/block-end.js
+++ b/packages/slate/test/transforms/splitNodes/always/block-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     always: true,
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     <block>another</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>word</block>
diff --git a/packages/slate/test/transforms/splitNodes/always/block-start.js b/packages/slate/test/transforms/splitNodes/always/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/always/block-start.js
rename to packages/slate/test/transforms/splitNodes/always/block-start.tsx
index 88e97df18..5d33a8101 100644
--- a/packages/slate/test/transforms/splitNodes/always/block-start.js
+++ b/packages/slate/test/transforms/splitNodes/always/block-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     always: true,
   })
 }
-
 export const input = (
   <editor>
     <block>word</block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>word</block>
diff --git a/packages/slate/test/transforms/splitNodes/match-any/zero.js b/packages/slate/test/transforms/splitNodes/match-any/zero.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/match-any/zero.js
rename to packages/slate/test/transforms/splitNodes/match-any/zero.tsx
index 26872c327..518c28e2f 100644
--- a/packages/slate/test/transforms/splitNodes/match-any/zero.js
+++ b/packages/slate/test/transforms/splitNodes/match-any/zero.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { match: () => true, mode: 'highest' })
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/match-block/block-middle-multiple-texts.js b/packages/slate/test/transforms/splitNodes/match-block/block-middle-multiple-texts.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/match-block/block-middle-multiple-texts.js
rename to packages/slate/test/transforms/splitNodes/match-block/block-middle-multiple-texts.tsx
index a261d09e4..b809229ed 100644
--- a/packages/slate/test/transforms/splitNodes/match-block/block-middle-multiple-texts.js
+++ b/packages/slate/test/transforms/splitNodes/match-block/block-middle-multiple-texts.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { match: n => Editor.isBlock(editor, n) })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/match-block/block-middle.js b/packages/slate/test/transforms/splitNodes/match-block/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/match-block/block-middle.js
rename to packages/slate/test/transforms/splitNodes/match-block/block-middle.tsx
index 95f75bd4d..f519d826b 100644
--- a/packages/slate/test/transforms/splitNodes/match-block/block-middle.js
+++ b/packages/slate/test/transforms/splitNodes/match-block/block-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { match: n => Editor.isBlock(editor, n) })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>wo</block>
diff --git a/packages/slate/test/transforms/splitNodes/match-block/inline-middle.js b/packages/slate/test/transforms/splitNodes/match-block/inline-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/match-block/inline-middle.js
rename to packages/slate/test/transforms/splitNodes/match-block/inline-middle.tsx
index 76c4051b8..cdf6ea3e9 100644
--- a/packages/slate/test/transforms/splitNodes/match-block/inline-middle.js
+++ b/packages/slate/test/transforms/splitNodes/match-block/inline-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { match: n => Editor.isBlock(editor, n) })
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/path/block-inline.js b/packages/slate/test/transforms/splitNodes/path/block-inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/path/block-inline.js
rename to packages/slate/test/transforms/splitNodes/path/block-inline.tsx
index 5453b9459..f06b1b8fa 100644
--- a/packages/slate/test/transforms/splitNodes/path/block-inline.js
+++ b/packages/slate/test/transforms/splitNodes/path/block-inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 2] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/path/block-nested-void.js b/packages/slate/test/transforms/splitNodes/path/block-nested-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/path/block-nested-void.js
rename to packages/slate/test/transforms/splitNodes/path/block-nested-void.tsx
index 874dde158..32776c686 100644
--- a/packages/slate/test/transforms/splitNodes/path/block-nested-void.js
+++ b/packages/slate/test/transforms/splitNodes/path/block-nested-void.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 1] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/path/block-nested.js b/packages/slate/test/transforms/splitNodes/path/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/path/block-nested.js
rename to packages/slate/test/transforms/splitNodes/path/block-nested.tsx
index 6fe4c3a62..4d736b1bc 100644
--- a/packages/slate/test/transforms/splitNodes/path/block-nested.js
+++ b/packages/slate/test/transforms/splitNodes/path/block-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 1] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/path/block-void.js b/packages/slate/test/transforms/splitNodes/path/block-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/path/block-void.js
rename to packages/slate/test/transforms/splitNodes/path/block-void.tsx
index ca7ff6b05..d5ce89d8f 100644
--- a/packages/slate/test/transforms/splitNodes/path/block-void.js
+++ b/packages/slate/test/transforms/splitNodes/path/block-void.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 1] })
 }
-
 export const input = (
   <editor>
     <block void>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/splitNodes/path/inline-void.js b/packages/slate/test/transforms/splitNodes/path/inline-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/path/inline-void.js
rename to packages/slate/test/transforms/splitNodes/path/inline-void.tsx
index ed6724f64..91a550936 100644
--- a/packages/slate/test/transforms/splitNodes/path/inline-void.js
+++ b/packages/slate/test/transforms/splitNodes/path/inline-void.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 1, 0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/path/inline.js b/packages/slate/test/transforms/splitNodes/path/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/path/inline.js
rename to packages/slate/test/transforms/splitNodes/path/inline.tsx
index 41816c837..885ee5d1b 100644
--- a/packages/slate/test/transforms/splitNodes/path/inline.js
+++ b/packages/slate/test/transforms/splitNodes/path/inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 1, 0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/point/block-void.js b/packages/slate/test/transforms/splitNodes/point/block-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/point/block-void.js
rename to packages/slate/test/transforms/splitNodes/point/block-void.tsx
index 7f3d0c726..02a63ef8a 100644
--- a/packages/slate/test/transforms/splitNodes/point/block-void.js
+++ b/packages/slate/test/transforms/splitNodes/point/block-void.tsx
@@ -1,18 +1,15 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: { path: [0, 0], offset: 2 } })
 }
-
 export const input = (
   <editor>
     <block void>word</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>word</block>
diff --git a/packages/slate/test/transforms/splitNodes/point/block.js b/packages/slate/test/transforms/splitNodes/point/block.js
deleted file mode 100644
index cb3e4b1b8..000000000
--- a/packages/slate/test/transforms/splitNodes/point/block.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Editor, Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.splitNodes(editor, {
-    at: { path: [0, 0], offset: 2 },
-    match: n => Editor.isBlock(editor, n),
-  })
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text>word</text>
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>wo</block>
-    <block>rd</block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/splitNodes/point/inline-void.js b/packages/slate/test/transforms/splitNodes/point/inline-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/point/inline-void.js
rename to packages/slate/test/transforms/splitNodes/point/inline-void.tsx
index 222f90f7c..25629fc05 100644
--- a/packages/slate/test/transforms/splitNodes/point/inline-void.js
+++ b/packages/slate/test/transforms/splitNodes/point/inline-void.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: { path: [0, 1, 0], offset: 2 } })
 }
-
 export const input = (
   <editor>
     <block>
@@ -18,7 +16,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/point/inline.js b/packages/slate/test/transforms/splitNodes/point/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/point/inline.js
rename to packages/slate/test/transforms/splitNodes/point/inline.tsx
index 61c94434a..8e2acc971 100644
--- a/packages/slate/test/transforms/splitNodes/point/inline.js
+++ b/packages/slate/test/transforms/splitNodes/point/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Editor, Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -9,7 +8,6 @@ export const run = editor => {
     match: n => Editor.isInline(editor, n),
   })
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/point/with-match.js b/packages/slate/test/transforms/splitNodes/point/with-match.js
deleted file mode 100644
index 30dddea6c..000000000
--- a/packages/slate/test/transforms/splitNodes/point/with-match.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/** @jsx jsx */
-
-import { Editor, Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.splitNodes(editor, {
-    match: n => Editor.isBlock(editor, n),
-    at: { path: [0, 0], offset: 2 },
-  })
-}
-
-export const input = (
-  <editor>
-    <block>
-      <text>word</text>
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>wo</block>
-    <block>rd</block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/splitNodes/selection/block-across.js b/packages/slate/test/transforms/splitNodes/selection/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/block-across.js
rename to packages/slate/test/transforms/splitNodes/selection/block-across.tsx
index 9fe281679..1140be9c5 100644
--- a/packages/slate/test/transforms/splitNodes/selection/block-across.js
+++ b/packages/slate/test/transforms/splitNodes/selection/block-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>wo</block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/block-expanded.js b/packages/slate/test/transforms/splitNodes/selection/block-expanded.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/block-expanded.js
rename to packages/slate/test/transforms/splitNodes/selection/block-expanded.tsx
index faa618af3..3849e7b4e 100644
--- a/packages/slate/test/transforms/splitNodes/selection/block-expanded.js
+++ b/packages/slate/test/transforms/splitNodes/selection/block-expanded.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -16,7 +14,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>w</block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/block-hanging.js b/packages/slate/test/transforms/splitNodes/selection/block-hanging.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/block-hanging.js
rename to packages/slate/test/transforms/splitNodes/selection/block-hanging.tsx
index 4710bbf81..5cb86bdf6 100644
--- a/packages/slate/test/transforms/splitNodes/selection/block-hanging.js
+++ b/packages/slate/test/transforms/splitNodes/selection/block-hanging.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>one</block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/block-nested-void.js b/packages/slate/test/transforms/splitNodes/selection/block-nested-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/block-nested-void.js
rename to packages/slate/test/transforms/splitNodes/selection/block-nested-void.tsx
index f997b3c22..d2eb8d189 100644
--- a/packages/slate/test/transforms/splitNodes/selection/block-nested-void.js
+++ b/packages/slate/test/transforms/splitNodes/selection/block-nested-void.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/block-void-end.js b/packages/slate/test/transforms/splitNodes/selection/block-void-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/block-void-end.js
rename to packages/slate/test/transforms/splitNodes/selection/block-void-end.tsx
index 83c76e0d2..70084fb13 100644
--- a/packages/slate/test/transforms/splitNodes/selection/block-void-end.js
+++ b/packages/slate/test/transforms/splitNodes/selection/block-void-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/block-void-middle.js b/packages/slate/test/transforms/splitNodes/selection/block-void-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/block-void-middle.js
rename to packages/slate/test/transforms/splitNodes/selection/block-void-middle.tsx
index ba88de331..1cac4420f 100644
--- a/packages/slate/test/transforms/splitNodes/selection/block-void-middle.js
+++ b/packages/slate/test/transforms/splitNodes/selection/block-void-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>on</block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/block-void-start.js b/packages/slate/test/transforms/splitNodes/selection/block-void-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/block-void-start.js
rename to packages/slate/test/transforms/splitNodes/selection/block-void-start.tsx
index b2eb70245..02ed3a21e 100644
--- a/packages/slate/test/transforms/splitNodes/selection/block-void-start.js
+++ b/packages/slate/test/transforms/splitNodes/selection/block-void-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block void>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/inline-across.js b/packages/slate/test/transforms/splitNodes/selection/inline-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/inline-across.js
rename to packages/slate/test/transforms/splitNodes/selection/inline-across.tsx
index 4d01239ce..8f08602d2 100644
--- a/packages/slate/test/transforms/splitNodes/selection/inline-across.js
+++ b/packages/slate/test/transforms/splitNodes/selection/inline-across.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -25,11 +24,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/inline-expanded.js b/packages/slate/test/transforms/splitNodes/selection/inline-expanded.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/inline-expanded.js
rename to packages/slate/test/transforms/splitNodes/selection/inline-expanded.tsx
index 77dd99cce..d152eae7e 100644
--- a/packages/slate/test/transforms/splitNodes/selection/inline-expanded.js
+++ b/packages/slate/test/transforms/splitNodes/selection/inline-expanded.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/inline-void-end.js b/packages/slate/test/transforms/splitNodes/selection/inline-void-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/inline-void-end.js
rename to packages/slate/test/transforms/splitNodes/selection/inline-void-end.tsx
index a768db6a3..02c5158eb 100644
--- a/packages/slate/test/transforms/splitNodes/selection/inline-void-end.js
+++ b/packages/slate/test/transforms/splitNodes/selection/inline-void-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/selection/inline-void.js b/packages/slate/test/transforms/splitNodes/selection/inline-void.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/selection/inline-void.js
rename to packages/slate/test/transforms/splitNodes/selection/inline-void.tsx
index 7823552fa..2cee83e88 100644
--- a/packages/slate/test/transforms/splitNodes/selection/inline-void.js
+++ b/packages/slate/test/transforms/splitNodes/selection/inline-void.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor)
 }
-
 export const input = (
   <editor>
     <block>
@@ -20,7 +18,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/splitNodes/voids-true/block.js b/packages/slate/test/transforms/splitNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/voids-true/block.js
rename to packages/slate/test/transforms/splitNodes/voids-true/block.tsx
index 4dbfd6612..c3bf66a5c 100644
--- a/packages/slate/test/transforms/splitNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/splitNodes/voids-true/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 1], voids: true })
 }
-
 export const input = (
   <editor>
     <block void>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/packages/slate/test/transforms/splitNodes/voids-true/inline.js b/packages/slate/test/transforms/splitNodes/voids-true/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/splitNodes/voids-true/inline.js
rename to packages/slate/test/transforms/splitNodes/voids-true/inline.tsx
index 9296c8395..be41d8104 100644
--- a/packages/slate/test/transforms/splitNodes/voids-true/inline.js
+++ b/packages/slate/test/transforms/splitNodes/voids-true/inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.splitNodes(editor, { at: [0, 1, 1], voids: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unsetNodes/text/text.js b/packages/slate/test/transforms/unsetNodes/text/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/unsetNodes/text/text.js
rename to packages/slate/test/transforms/unsetNodes/text/text.tsx
index af194e062..306af936b 100644
--- a/packages/slate/test/transforms/unsetNodes/text/text.js
+++ b/packages/slate/test/transforms/unsetNodes/text/text.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms, Text } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unsetNodes(editor, 'key', { match: Text.isText })
 }
-
 export const input = (
   <editor>
     <block>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-block/block-across.js b/packages/slate/test/transforms/unwrapNodes/match-block/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-block/block-across.js
rename to packages/slate/test/transforms/unwrapNodes/match-block/block-across.tsx
index 7a5529e19..befa51da8 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-block/block-across.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-block/block-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-block/block-end.js b/packages/slate/test/transforms/unwrapNodes/match-block/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-block/block-end.js
rename to packages/slate/test/transforms/unwrapNodes/match-block/block-end.tsx
index 70cfed303..3498d45bd 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-block/block-end.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-block/block-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-block/block-inline.js b/packages/slate/test/transforms/unwrapNodes/match-block/block-inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-block/block-inline.js
rename to packages/slate/test/transforms/unwrapNodes/match-block/block-inline.tsx
index a1148c7a5..06ad7cd1a 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-block/block-inline.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-block/block-inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -31,7 +29,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-block/block-middle.js b/packages/slate/test/transforms/unwrapNodes/match-block/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-block/block-middle.js
rename to packages/slate/test/transforms/unwrapNodes/match-block/block-middle.tsx
index 558b7c110..8574ce356 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-block/block-middle.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-block/block-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-block/block-nested.js b/packages/slate/test/transforms/unwrapNodes/match-block/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-block/block-nested.js
rename to packages/slate/test/transforms/unwrapNodes/match-block/block-nested.tsx
index 98f361505..a6d3a2c8e 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-block/block-nested.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-block/block-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-block/block-start.js b/packages/slate/test/transforms/unwrapNodes/match-block/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-block/block-start.js
rename to packages/slate/test/transforms/unwrapNodes/match-block/block-start.tsx
index 2ca06e149..2cab82a05 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-block/block-start.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-block/block-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-block/block.js b/packages/slate/test/transforms/unwrapNodes/match-block/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-block/block.js
rename to packages/slate/test/transforms/unwrapNodes/match-block/block.tsx
index 791bf61af..8d2730ac2 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-block/block.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-block/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-inline/block-nested.js b/packages/slate/test/transforms/unwrapNodes/match-inline/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-inline/block-nested.js
rename to packages/slate/test/transforms/unwrapNodes/match-inline/block-nested.tsx
index b9de38f7d..49880a472 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-inline/block-nested.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-inline/block-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-inline/inline-across.js b/packages/slate/test/transforms/unwrapNodes/match-inline/inline-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-inline/inline-across.js
rename to packages/slate/test/transforms/unwrapNodes/match-inline/inline-across.tsx
index 8aef5f960..b29f0ea39 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-inline/inline-across.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-inline/inline-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block>
@@ -24,7 +22,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-inline/inline-over.js b/packages/slate/test/transforms/unwrapNodes/match-inline/inline-over.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-inline/inline-over.js
rename to packages/slate/test/transforms/unwrapNodes/match-inline/inline-over.tsx
index c497312ff..08144a237 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-inline/inline-over.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-inline/inline-over.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block>
@@ -22,7 +20,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/match-inline/inline.js b/packages/slate/test/transforms/unwrapNodes/match-inline/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/match-inline/inline.js
rename to packages/slate/test/transforms/unwrapNodes/match-inline/inline.tsx
index 09e0d5133..2abad107d 100644
--- a/packages/slate/test/transforms/unwrapNodes/match-inline/inline.js
+++ b/packages/slate/test/transforms/unwrapNodes/match-inline/inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a })
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/mode-all/match-ancestors.js b/packages/slate/test/transforms/unwrapNodes/mode-all/match-ancestors.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/mode-all/match-ancestors.js
rename to packages/slate/test/transforms/unwrapNodes/mode-all/match-ancestors.tsx
index 8a20978bc..b2d3f41a6 100644
--- a/packages/slate/test/transforms/unwrapNodes/mode-all/match-ancestors.js
+++ b/packages/slate/test/transforms/unwrapNodes/mode-all/match-ancestors.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, mode: 'all' })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings-and-parent.js b/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings-and-parent.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings-and-parent.js
rename to packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings-and-parent.tsx
index a85a3fd31..cc92859cf 100644
--- a/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings-and-parent.js
+++ b/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings-and-parent.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, mode: 'all' })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings.js b/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings.js
rename to packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings.tsx
index cf40275f6..f7c182a14 100644
--- a/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings.js
+++ b/packages/slate/test/transforms/unwrapNodes/mode-all/match-siblings.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, mode: 'all' })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent-split.js b/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent-split.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent-split.js
rename to packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent-split.tsx
index 1ec5b31f1..f4502a097 100644
--- a/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent-split.js
+++ b/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent-split.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, mode: 'all', split: true })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -28,7 +26,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent.js b/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent.js
rename to packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent.tsx
index 7dc1ec758..8500e69fd 100644
--- a/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent.js
+++ b/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings-and-parent.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, mode: 'all' })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -28,7 +26,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings.js b/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings.js
rename to packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings.tsx
index 406d5003d..ec28d9ea5 100644
--- a/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings.js
+++ b/packages/slate/test/transforms/unwrapNodes/mode-all/match-some-siblings.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, mode: 'all' })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -26,7 +24,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/path/block-multiple.js b/packages/slate/test/transforms/unwrapNodes/path/block-multiple.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/path/block-multiple.js
rename to packages/slate/test/transforms/unwrapNodes/path/block-multiple.tsx
index bb2a0f9a9..88256db87 100644
--- a/packages/slate/test/transforms/unwrapNodes/path/block-multiple.js
+++ b/packages/slate/test/transforms/unwrapNodes/path/block-multiple.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { at: [0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/unwrapNodes/path/block.js b/packages/slate/test/transforms/unwrapNodes/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/path/block.js
rename to packages/slate/test/transforms/unwrapNodes/path/block.tsx
index 5dd1bb005..e8fb41908 100644
--- a/packages/slate/test/transforms/unwrapNodes/path/block.js
+++ b/packages/slate/test/transforms/unwrapNodes/path/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { at: [0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -14,7 +12,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>word</block>
diff --git a/packages/slate/test/transforms/unwrapNodes/split-block/block-all.js b/packages/slate/test/transforms/unwrapNodes/split-block/block-all.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/split-block/block-all.js
rename to packages/slate/test/transforms/unwrapNodes/split-block/block-all.tsx
index 541f22731..a32dd202c 100644
--- a/packages/slate/test/transforms/unwrapNodes/split-block/block-all.js
+++ b/packages/slate/test/transforms/unwrapNodes/split-block/block-all.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, split: true })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/split-block/block-end.js b/packages/slate/test/transforms/unwrapNodes/split-block/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/split-block/block-end.js
rename to packages/slate/test/transforms/unwrapNodes/split-block/block-end.tsx
index 39c0ac372..e1e81b39e 100644
--- a/packages/slate/test/transforms/unwrapNodes/split-block/block-end.js
+++ b/packages/slate/test/transforms/unwrapNodes/split-block/block-end.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, split: true })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/unwrapNodes/split-block/block-middle.js b/packages/slate/test/transforms/unwrapNodes/split-block/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/split-block/block-middle.js
rename to packages/slate/test/transforms/unwrapNodes/split-block/block-middle.tsx
index 4b24dfec3..028d68112 100644
--- a/packages/slate/test/transforms/unwrapNodes/split-block/block-middle.js
+++ b/packages/slate/test/transforms/unwrapNodes/split-block/block-middle.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, split: true })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/unwrapNodes/split-block/block-nested.js b/packages/slate/test/transforms/unwrapNodes/split-block/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/split-block/block-nested.js
rename to packages/slate/test/transforms/unwrapNodes/split-block/block-nested.tsx
index 7ef1e86fe..4f97de30f 100644
--- a/packages/slate/test/transforms/unwrapNodes/split-block/block-nested.js
+++ b/packages/slate/test/transforms/unwrapNodes/split-block/block-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, split: true })
 }
-
 export const input = (
   <editor>
     <block>
@@ -27,7 +25,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/split-block/block-start.js b/packages/slate/test/transforms/unwrapNodes/split-block/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/split-block/block-start.js
rename to packages/slate/test/transforms/unwrapNodes/split-block/block-start.tsx
index bfa31e416..ab9147f91 100644
--- a/packages/slate/test/transforms/unwrapNodes/split-block/block-start.js
+++ b/packages/slate/test/transforms/unwrapNodes/split-block/block-start.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, split: true })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/split-block/block.js b/packages/slate/test/transforms/unwrapNodes/split-block/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/unwrapNodes/split-block/block.js
rename to packages/slate/test/transforms/unwrapNodes/split-block/block.tsx
index eb1051d16..7ca38f5b7 100644
--- a/packages/slate/test/transforms/unwrapNodes/split-block/block.js
+++ b/packages/slate/test/transforms/unwrapNodes/split-block/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.unwrapNodes(editor, { match: n => n.a, split: true })
 }
-
 export const input = (
   <editor>
     <block a>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/unwrapNodes/voids-true/block.js b/packages/slate/test/transforms/unwrapNodes/voids-true/block.js
deleted file mode 100644
index f9d371cc1..000000000
--- a/packages/slate/test/transforms/unwrapNodes/voids-true/block.js
+++ /dev/null
@@ -1,22 +0,0 @@
-/** @jsx jsx */
-
-import { Transforms } from 'slate'
-import { jsx } from '../../..'
-
-export const run = editor => {
-  Transforms.unwrapNodes(editor, { at: [0], voids: true })
-}
-
-export const input = (
-  <editor>
-    <block void>
-      <block>word</block>
-    </block>
-  </editor>
-)
-
-export const output = (
-  <editor>
-    <block>word</block>
-  </editor>
-)
diff --git a/packages/slate/test/transforms/wrapNodes/block/block-across-nested.js b/packages/slate/test/transforms/wrapNodes/block/block-across-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/block-across-nested.js
rename to packages/slate/test/transforms/wrapNodes/block/block-across-nested.tsx
index fbef1e47e..bfd8bd4b9 100644
--- a/packages/slate/test/transforms/wrapNodes/block/block-across-nested.js
+++ b/packages/slate/test/transforms/wrapNodes/block/block-across-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -23,7 +21,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/block/block-across-uneven.js b/packages/slate/test/transforms/wrapNodes/block/block-across-uneven.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/block-across-uneven.js
rename to packages/slate/test/transforms/wrapNodes/block/block-across-uneven.tsx
index fc0dcd7bb..c29720f98 100644
--- a/packages/slate/test/transforms/wrapNodes/block/block-across-uneven.js
+++ b/packages/slate/test/transforms/wrapNodes/block/block-across-uneven.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -25,7 +23,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/block/block-across.js b/packages/slate/test/transforms/wrapNodes/block/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/block-across.js
rename to packages/slate/test/transforms/wrapNodes/block/block-across.tsx
index 5bbd1588b..45e5e7ddb 100644
--- a/packages/slate/test/transforms/wrapNodes/block/block-across.js
+++ b/packages/slate/test/transforms/wrapNodes/block/block-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -21,7 +19,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/wrapNodes/block/block-end.js b/packages/slate/test/transforms/wrapNodes/block/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/block-end.js
rename to packages/slate/test/transforms/wrapNodes/block/block-end.tsx
index 3dedced67..94eb7e7cf 100644
--- a/packages/slate/test/transforms/wrapNodes/block/block-end.js
+++ b/packages/slate/test/transforms/wrapNodes/block/block-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -16,11 +15,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />)
 }
-
 export const output = (
   <editor>
     <block>one</block>
diff --git a/packages/slate/test/transforms/wrapNodes/block/block-nested.js b/packages/slate/test/transforms/wrapNodes/block/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/block-nested.js
rename to packages/slate/test/transforms/wrapNodes/block/block-nested.tsx
index 8e9f67072..4e3289e0d 100644
--- a/packages/slate/test/transforms/wrapNodes/block/block-nested.js
+++ b/packages/slate/test/transforms/wrapNodes/block/block-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />)
 }
-
 export const input = (
   <editor>
     <block a>
@@ -17,7 +15,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/wrapNodes/block/block.js b/packages/slate/test/transforms/wrapNodes/block/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/block.js
rename to packages/slate/test/transforms/wrapNodes/block/block.tsx
index 685ef8968..22f096d5c 100644
--- a/packages/slate/test/transforms/wrapNodes/block/block.js
+++ b/packages/slate/test/transforms/wrapNodes/block/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/wrapNodes/block/inline-across.js b/packages/slate/test/transforms/wrapNodes/block/inline-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/inline-across.js
rename to packages/slate/test/transforms/wrapNodes/block/inline-across.tsx
index 7290e8eb3..231fe8ef3 100644
--- a/packages/slate/test/transforms/wrapNodes/block/inline-across.js
+++ b/packages/slate/test/transforms/wrapNodes/block/inline-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -29,7 +27,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/wrapNodes/block/omit-nodes.js b/packages/slate/test/transforms/wrapNodes/block/omit-nodes.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/block/omit-nodes.js
rename to packages/slate/test/transforms/wrapNodes/block/omit-nodes.tsx
index a1fa762d3..ba1ce6702 100644
--- a/packages/slate/test/transforms/wrapNodes/block/omit-nodes.js
+++ b/packages/slate/test/transforms/wrapNodes/block/omit-nodes.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,7 +12,6 @@ export const run = editor => {
     </block>
   )
 }
-
 export const input = (
   <editor>
     <block>
@@ -28,7 +26,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/wrapNodes/inline/inline-across-nested.js b/packages/slate/test/transforms/wrapNodes/inline/inline-across-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/inline/inline-across-nested.js
rename to packages/slate/test/transforms/wrapNodes/inline/inline-across-nested.tsx
index cd84dae6d..51c75e1d9 100644
--- a/packages/slate/test/transforms/wrapNodes/inline/inline-across-nested.js
+++ b/packages/slate/test/transforms/wrapNodes/inline/inline-across-nested.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <inline a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -31,7 +29,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/inline/inline-across.js b/packages/slate/test/transforms/wrapNodes/inline/inline-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/inline/inline-across.js
rename to packages/slate/test/transforms/wrapNodes/inline/inline-across.tsx
index 410141d71..71e7b32db 100644
--- a/packages/slate/test/transforms/wrapNodes/inline/inline-across.js
+++ b/packages/slate/test/transforms/wrapNodes/inline/inline-across.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <inline a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -29,7 +27,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/inline/inline.js b/packages/slate/test/transforms/wrapNodes/inline/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/inline/inline.js
rename to packages/slate/test/transforms/wrapNodes/inline/inline.tsx
index f30bdebde..90b473f1d 100644
--- a/packages/slate/test/transforms/wrapNodes/inline/inline.js
+++ b/packages/slate/test/transforms/wrapNodes/inline/inline.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <inline a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -19,7 +17,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/inline/text.js b/packages/slate/test/transforms/wrapNodes/inline/text.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/inline/text.js
rename to packages/slate/test/transforms/wrapNodes/inline/text.tsx
index 050225709..b6b519d35 100644
--- a/packages/slate/test/transforms/wrapNodes/inline/text.js
+++ b/packages/slate/test/transforms/wrapNodes/inline/text.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <inline a />)
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/path/block.js b/packages/slate/test/transforms/wrapNodes/path/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/path/block.js
rename to packages/slate/test/transforms/wrapNodes/path/block.tsx
index 10c5eabad..7ef64a79c 100644
--- a/packages/slate/test/transforms/wrapNodes/path/block.js
+++ b/packages/slate/test/transforms/wrapNodes/path/block.tsx
@@ -1,12 +1,10 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />, { at: [0] })
 }
-
 export const input = (
   <editor>
     <block>
@@ -15,7 +13,6 @@ export const input = (
     </block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/wrapNodes/selection/depth-text.js b/packages/slate/test/transforms/wrapNodes/selection/depth-text.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/selection/depth-text.js
rename to packages/slate/test/transforms/wrapNodes/selection/depth-text.tsx
index 03d9be184..1cc4f224a 100644
--- a/packages/slate/test/transforms/wrapNodes/selection/depth-text.js
+++ b/packages/slate/test/transforms/wrapNodes/selection/depth-text.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms, Text } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />, { match: Text.isText })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/split-block/block-across.js b/packages/slate/test/transforms/wrapNodes/split-block/block-across.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/split-block/block-across.js
rename to packages/slate/test/transforms/wrapNodes/split-block/block-across.tsx
index f8e85dc61..f9b3b29d6 100644
--- a/packages/slate/test/transforms/wrapNodes/split-block/block-across.js
+++ b/packages/slate/test/transforms/wrapNodes/split-block/block-across.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -15,11 +14,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />, { split: true })
 }
-
 export const output = (
   <editor>
     <block>on</block>
diff --git a/packages/slate/test/transforms/wrapNodes/split-block/block-end.js b/packages/slate/test/transforms/wrapNodes/split-block/block-end.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/split-block/block-end.js
rename to packages/slate/test/transforms/wrapNodes/split-block/block-end.tsx
index 81e1421bb..2e425c0c5 100644
--- a/packages/slate/test/transforms/wrapNodes/split-block/block-end.js
+++ b/packages/slate/test/transforms/wrapNodes/split-block/block-end.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />, { split: true })
 }
-
 export const output = (
   <editor>
     <block>wo</block>
diff --git a/packages/slate/test/transforms/wrapNodes/split-block/block-middle.js b/packages/slate/test/transforms/wrapNodes/split-block/block-middle.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/split-block/block-middle.js
rename to packages/slate/test/transforms/wrapNodes/split-block/block-middle.tsx
index 2e5a93daf..dd1abdb90 100644
--- a/packages/slate/test/transforms/wrapNodes/split-block/block-middle.js
+++ b/packages/slate/test/transforms/wrapNodes/split-block/block-middle.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -12,11 +11,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />, { split: true })
 }
-
 export const output = (
   <editor>
     <block>w</block>
diff --git a/packages/slate/test/transforms/wrapNodes/split-block/block-nested.js b/packages/slate/test/transforms/wrapNodes/split-block/block-nested.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/split-block/block-nested.js
rename to packages/slate/test/transforms/wrapNodes/split-block/block-nested.tsx
index 609d3f091..0f78cb11c 100644
--- a/packages/slate/test/transforms/wrapNodes/split-block/block-nested.js
+++ b/packages/slate/test/transforms/wrapNodes/split-block/block-nested.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />, { split: true })
 }
-
 export const output = (
   <editor>
     <block a>
diff --git a/packages/slate/test/transforms/wrapNodes/split-block/block-start.js b/packages/slate/test/transforms/wrapNodes/split-block/block-start.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/split-block/block-start.js
rename to packages/slate/test/transforms/wrapNodes/split-block/block-start.tsx
index a3d1e5bcd..59b7e6c3c 100644
--- a/packages/slate/test/transforms/wrapNodes/split-block/block-start.js
+++ b/packages/slate/test/transforms/wrapNodes/split-block/block-start.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -13,11 +12,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />, { split: true })
 }
-
 export const output = (
   <editor>
     <block new>
diff --git a/packages/slate/test/transforms/wrapNodes/split-block/block.js b/packages/slate/test/transforms/wrapNodes/split-block/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/split-block/block.js
rename to packages/slate/test/transforms/wrapNodes/split-block/block.tsx
index 40ea3083a..aaf3ad02f 100644
--- a/packages/slate/test/transforms/wrapNodes/split-block/block.js
+++ b/packages/slate/test/transforms/wrapNodes/split-block/block.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -11,11 +10,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <block new />, { split: true })
 }
-
 export const output = (
   <editor>
     <block new>
diff --git a/packages/slate/test/transforms/wrapNodes/split-inline/inline.js b/packages/slate/test/transforms/wrapNodes/split-inline/inline.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/split-inline/inline.js
rename to packages/slate/test/transforms/wrapNodes/split-inline/inline.tsx
index 99804e56d..6dd34c986 100644
--- a/packages/slate/test/transforms/wrapNodes/split-inline/inline.js
+++ b/packages/slate/test/transforms/wrapNodes/split-inline/inline.tsx
@@ -1,5 +1,4 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
@@ -14,11 +13,9 @@ export const input = (
     </block>
   </editor>
 )
-
 export const run = editor => {
   Transforms.wrapNodes(editor, <inline new />, { split: true })
 }
-
 export const output = (
   <editor>
     <block>
diff --git a/packages/slate/test/transforms/wrapNodes/voids-true/block.js b/packages/slate/test/transforms/wrapNodes/voids-true/block.tsx
similarity index 99%
rename from packages/slate/test/transforms/wrapNodes/voids-true/block.js
rename to packages/slate/test/transforms/wrapNodes/voids-true/block.tsx
index 3e7fa9cdc..45ae2aed8 100644
--- a/packages/slate/test/transforms/wrapNodes/voids-true/block.js
+++ b/packages/slate/test/transforms/wrapNodes/voids-true/block.tsx
@@ -1,18 +1,15 @@
 /** @jsx jsx */
-
 import { Transforms } from 'slate'
 import { jsx } from '../../..'
 
 export const run = editor => {
   Transforms.wrapNodes(editor, <block a />, { at: [0, 0], voids: true })
 }
-
 export const input = (
   <editor>
     <block void>word</block>
   </editor>
 )
-
 export const output = (
   <editor>
     <block void>
diff --git a/support/fixtures.js b/support/fixtures.js
index 0fb89d35e..a379b2c13 100644
--- a/support/fixtures.js
+++ b/support/fixtures.js
@@ -23,10 +23,9 @@ export const fixtures = (...args) => {
       if (stat.isDirectory()) {
         fixtures(path, file, fn)
       }
-
       if (
         stat.isFile() &&
-        file.endsWith('.js') &&
+        (file.endsWith('.js') || file.endsWith('.ts') || file.endsWith('.tsx')) &&
         !file.startsWith('.') &&
         // Ignoring `index.js` files allows us to use the fixtures directly
         // from the top-level directory itself, instead of only children.
@@ -35,7 +34,7 @@ export const fixtures = (...args) => {
         const name = basename(file, extname(file))
 
         // This needs to be a non-arrow function to use `this.skip()`.
-        it(`${name} `, function() {
+        it(`${name} `, function () {
           const module = require(p)
 
           if (module.skip) {