mirror/slate
1
0
Fork 0
mirror of https://github.com/ianstormtaylor/slate.git synced 2025-08-12 10:14:02 +02:00
Code Issues Releases Wiki Activity

update iframe rendering logic, refactor iframes example

Browse Source
This commit is contained in:
Ian Storm Taylor
2016-08-05 12:40:54 -07:00
parent 30453d6821
commit 55ab4aafd5
13 changed files with 514 additions and 478 deletions
Download Patch File Download Diff File Expand all files Collapse all files

153
examples/iframe-rendering/index.js
View File

@@ -1,153 +0,0 @@
import React from 'react'
import ReactDOM from 'react-dom'
import injector from 'react-frame-aware-selection-plugin'
injector()
import { Editor, Mark, Raw } from '../..'
import initialState from './state.json'
import Frame from 'react-frame-component'
const MARKS = {
bold: {
fontWeight: 'bold'
},
italic: {
fontStyle: 'italic'
}
}
const NODES = {
'table': props => <table className={"table"}><tbody {...props.attributes}>{props.children}</tbody></table>,
'table-row': props => <tr {...props.attributes}>{props.children}</tr>,
'table-cell': props => <td {...props.attributes}>{props.children}</td>
}
class IFrameRendering extends React.Component {
state = {
state: Raw.deserialize(initialState, { terse: true })
};
onChange = (state) => {
this.setState({ state })
}
/**
* On backspace, do nothing if at the start of a table cell.
*
* @param {Event} e
* @param {State} state
* @return {State or Null} state
*/
onBackspace = (e, state) => {
if (state.startOffset != 0) return
e.preventDefault()
return state
}
/**
* On change.
*
* @param {State} state
*/
onChange = (state) => {
this.setState({ state })
}
/**
* On delete, do nothing if at the end of a table cell.
*
* @param {Event} e
* @param {State} state
* @return {State or Null} state
*/
onDelete = (e, state) => {
if (state.endOffset != state.startText.length) return
e.preventDefault()
return state
}
/**
* On return, do nothing if inside a table cell.
*
* @param {Event} e
* @param {State} state
* @return {State or Null} state
*/
onEnter = (e, state) => {
e.preventDefault()
return state
}
/**
* On key down, check for our specific key shortcuts.
*
* @param {Event} e
* @param {Object} data
* @param {State} state
* @return {State or Null} state
*/
onKeyDown = (e, data, state) => {
if (state.startBlock.type != 'table-cell') return
switch (data.key) {
case 'backspace': return this.onBackspace(e, state)
case 'delete': return this.onDelete(e, state)
case 'enter': return this.onEnter(e, state)
}
}
/**
* Return a node renderer for a Slate `node`.
*
* @param {Node} node
* @return {Component or Void}
*/
renderNode = (node) => {
return NODES[node.type]
}
/**
* Return a mark renderer for a Slate `mark`.
*
* @param {Mark} mark
* @return {Object or Void}
*/
renderMark = (mark) => {
return MARKS[mark.type]
}
render() {
const bootstrapCDN = (
<link
href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"
rel="stylesheet"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u"
crossOrigin="anonymous"
>
</link>
)
return (
<Frame head={bootstrapCDN} style={{width: `100%`, height: '300px'}}>
<Editor
state={this.state.state}
onChange={this.onChange}
renderNode={this.renderNode}
renderMark={this.renderMark}
onKeyDown={this.onKeyDown}
/>
</Frame>
)
}
}
export default IFrameRendering

277
examples/iframe-rendering/state.json
View File

@@ -1,277 +0,0 @@
{
"nodes": [
{
"kind": "block",
"type": "paragraph",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "This example shows how you can render editor in frame component."
}
]
}
]
},
{
"kind": "block",
"type": "paragraph",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "Check out this table, it has bootstrap styles, and top level document is not polluted by "
},
{
"text": "bootstrap.min.css",
"marks": [
{
"type": "italic"
},
{
"type": "bold"
}
]
},
{
"text": "."
}
]
}
]
},
{
"kind": "block",
"type": "paragraph",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": ""
}
]
}
]
},
{
"kind": "block",
"type": "table",
"nodes": [
{
"kind": "block",
"type": "table-row",
"nodes": [
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": ""
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "Human",
"marks": [
{
"type": "bold"
}
]
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "Dog",
"marks": [
{
"type": "bold"
}
]
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "Cat",
"marks": [
{
"type": "bold"
}
]
}
]
}
]
}
]
},
{
"kind": "block",
"type": "table-row",
"nodes": [
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "# of Feet",
"marks": [
{
"type": "bold"
}
]
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "1"
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "4"
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "4"
}
]
}
]
}
]
},
{
"kind": "block",
"type": "table-row",
"nodes": [
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "# of Lives",
"marks": [
{
"type": "bold"
}
]
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "1"
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "1"
}
]
}
]
},
{
"kind": "block",
"type": "table-cell",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "9"
}
]
}
]
}
]
}
]
}
]
}

0
examples/iframe-rendering/Readme.md → examples/iframes/Readme.md
View File

315
examples/iframes/index.js Normal file
View File

@@ -0,0 +1,315 @@
import { Editor, Mark, Raw } from '../..'
import Frame from 'react-frame-component'
import React from 'react'
import ReactDOM from 'react-dom'
import initialState from './state.json'
/**
* Injector to make `onSelect` work in iframes in React.
*/
import injector from 'react-frame-aware-selection-plugin'
injector()
/**
* Define the default node type.
*/
const DEFAULT_NODE = 'paragraph'
/**
* Define a set of node renderers.
*
* @type {Object}
*/
const NODES = {
'block-code': props => <pre><code {...props.attributes}>{props.children}</code></pre>,
'block-quote': props => <blockquote {...props.attributes}>{props.children}</blockquote>,
'heading-two': props => <h2 {...props.attributes}>{props.children}</h2>,
'paragraph': props => <p {...props.attributes}>{props.children}</p>
}
/**
* Define a set of mark renderers.
*
* @type {Object}
*/
const MARKS = {
bold: props => <strong>{props.children}</strong>,
highlight: props => <mark>{props.children}</mark>,
italic: props => <em>{props.children}</em>,
}
/**
* The iframes example.
*
* @type {Component}
*/
class Iframes extends React.Component {
/**
* Deserialize the initial editor state.
*
* @type {Object}
*/
state = {
state: Raw.deserialize(initialState, { terse: true })
};
/**
* Check if the current selection has a mark with `type` in it.
*
* @param {String} type
* @return {Boolean}
*/
hasMark = (type) => {
const { state } = this.state
return state.marks.some(mark => mark.type == type)
}
/**
* Check if the any of the currently selected blocks are of `type`.
*
* @param {String} type
* @return {Boolean}
*/
hasBlock = (type) => {
const { state } = this.state
return state.blocks.some(node => node.type == type)
}
/**
* On change, save the new state.
*
* @param {State} state
*/
onChange = (state) => {
this.setState({ state })
}
/**
* On key down, if it's a formatting command toggle a mark.
*
* @param {Event} e
* @param {Object} data
* @param {State} state
* @return {State}
*/
onKeyDown = (e, data, state) => {
if (!data.isMod) return
let mark
switch (data.key) {
case 'b':
mark = 'bold'
break
case 'i':
mark = 'italic'
break
default:
return
}
state = state
.transform()
.toggleMark(mark)
.apply()
e.preventDefault()
return state
}
/**
* When a mark button is clicked, toggle the current mark.
*
* @param {Event} e
* @param {String} type
*/
onClickMark = (e, type) => {
e.preventDefault()
let { state } = this.state
state = state
.transform()
.toggleMark(type)
.apply()
this.setState({ state })
}
/**
* When a block button is clicked, toggle the block type.
*
* @param {Event} e
* @param {String} type
*/
onClickBlock = (e, type) => {
e.preventDefault()
let { state } = this.state
const isActive = this.hasBlock(type)
state = state
.transform()
.setBlock(isActive ? DEFAULT_NODE : type)
.apply()
this.setState({ state })
}
/**
* Render.
*
* @return {Element}
*/
render = () => {
const bootstrap = (
<link
href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"
rel="stylesheet"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u"
crossOrigin="anonymous"
></link>
)
const style = {
width: '100%',
height: '500px'
}
return (
<div>
<p style={{ marginBottom: '10px' }}>This editor is rendered inside of an
<code>iframe</code> element, and everything works as usual! This is
helpful for scenarios where you need the content to be rendered in an
isolated, for example to create a "live example" with a specific set
of stylesheets applied.</p>
<p style={{ marginBottom: '10px' }}>In this example's case, we've added
Bootstrap's CSS to the <code>iframe</code> for default styles:</p>
<Frame head={bootstrap} style={style}>
<div style={{ padding: '20px' }}>
{this.renderToolbar()}
{this.renderEditor()}
</div>
</Frame>
</div>
)
}
/**
* Render the toolbar.
*
* @return {Element}
*/
renderToolbar = () => {
return (
<div className="btn-group" style={{ marginBottom: '20px' }}>
{this.renderMarkButton('bold', 'bold')}
{this.renderMarkButton('italic', 'italic')}
{this.renderMarkButton('highlight', 'pencil')}
{this.renderBlockButton('heading-two', 'header')}
{this.renderBlockButton('block-code', 'console')}
{this.renderBlockButton('block-quote', 'comment')}
</div>
)
}
/**
* Render a mark-toggling toolbar button.
*
* @param {String} type
* @param {String} icon
* @return {Element}
*/
renderMarkButton = (type, icon) => {
const isActive = this.hasMark(type)
const onMouseDown = e => this.onClickMark(e, type)
let className = 'btn btn-primary'
if (isActive) className += ' active'
return (
<button className={className} onMouseDown={onMouseDown}>
<span className={`glyphicon glyphicon-${icon}`}></span>
</button>
)
}
/**
* Render a block-toggling toolbar button.
*
* @param {String} type
* @param {String} icon
* @return {Element}
*/
renderBlockButton = (type, icon) => {
const isActive = this.hasBlock(type)
const onMouseDown = e => this.onClickBlock(e, type)
let className = 'btn btn-primary'
if (isActive) className += ' active'
return (
<button className={className} onMouseDown={onMouseDown}>
<span className={`glyphicon glyphicon-${icon}`}></span>
</button>
)
}
/**
* Render the Slate editor.
*
* @return {Element}
*/
renderEditor = () => {
return (
<Editor
placeholder={'Enter some rich text...'}
state={this.state.state}
renderNode={this.renderNode}
renderMark={this.renderMark}
onChange={this.onChange}
onKeyDown={this.onKeyDown}
/>
)
}
/**
* Return a node renderer for a Slate `node`.
*
* @param {Node} node
* @return {Component or Void}
*/
renderNode = (node) => {
return NODES[node.type]
}
/**
* Return a mark renderer for a Slate `mark`.
*
* @param {Mark} mark
* @return {Object or Void}
*/
renderMark = (mark) => {
return MARKS[mark.type]
}
}
export default Iframes

96
examples/iframes/state.json Normal file
View File

@@ -0,0 +1,96 @@
{
"nodes": [
{
"kind": "block",
"type": "paragraph",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "This is editable "
},
{
"text": "rich",
"marks": [
{
"type": "bold"
},
{
"type": "italic"
}
]
},
{
"text": " text that is being styled by Bootstrap's CSS rules!"
}
]
}
]
},
{
"kind": "block",
"type": "paragraph",
"nodes": [
{
"kind": "text",
"ranges": [
{
"text": "Since it's rich text, you can do things like turn a selection of text "
},
{
"text": "bold",
"marks": [
{
"type": "bold"
}
]
},{
"text": ", or add a semantically rendered block quote in the middle of the page, like this:"
}
]
}
]
},
{
"kind": "block",
"type": "block-quote",
"nodes": [
{
"kind": "text",
"text": "A wise quote."
}
]
},
{
"kind": "block",
"type": "paragraph",
"nodes": [
{
"kind": "text",
"text": "And since it's inside an iframe which loads Bootstrap's CSS, the content will automatically take on Bootstrap's style rules. For example, code blocks will look like Bootstrap code blocks do:"
}
]
},
{
"kind": "block",
"type": "block-code",
"nodes": [
{
"kind": "text",
"text": "console.log('Hello world!');"
}
]
},
{
"kind": "block",
"type": "paragraph",
"nodes": [
{
"kind": "text",
"text": "Try it out for yourself!"
}
]
}
]
}

11
examples/index.js
View File

@@ -11,18 +11,19 @@ import AutoMarkdown from './auto-markdown'
import CodeHighlighting from './code-highlighting'
import Embeds from './embeds'
import HoveringMenu from './hovering-menu'
import Iframes from './iframes'
import Images from './images'
import Links from './links'
import PasteHtml from './paste-html'
import PlainText from './plain-text'
import Plugins from './plugins'
import RTL from './rtl'
import ReadOnly from './read-only'
import RichText from './rich-text'
import RTL from './rtl'
import Tables from './tables'
import DevPerformancePlain from './development/performance-plain'
import DevPerformanceRich from './development/performance-rich'
import IFrameRendering from './iframe-rendering'
/**
* Perf.
@@ -77,7 +78,7 @@ class App extends React.Component {
{this.renderTab('Read-only', 'read-only')}
{this.renderTab('RTL', 'rtl')}
{this.renderTab('Plugins', 'plugins')}
{this.renderTab('IFrame', 'iframe')}
{this.renderTab('Iframes', 'iframes')}
</div>
)
}
@@ -121,10 +122,12 @@ const router = (
<Router history={hashHistory}>
<Route path="/" component={App}>
<IndexRedirect to="rich-text" />
<Route path="auto-markdown" component={AutoMarkdown} />
<Route path="code-highlighting" component={CodeHighlighting} />
<Route path="embeds" component={Embeds} />
<Route path="hovering-menu" component={HoveringMenu} />
<Route path="iframes" component={Iframes} />
<Route path="images" component={Images} />
<Route path="links" component={Links} />
<Route path="paste-html" component={PasteHtml} />
@@ -134,9 +137,9 @@ const router = (
<Route path="rich-text" component={RichText} />
<Route path="rtl" component={RTL} />
<Route path="tables" component={Tables} />
<Route path="dev-performance-plain" component={DevPerformancePlain} />
<Route path="dev-performance-rich" component={DevPerformanceRich} />
<Route path="iframe" component={IFrameRendering} />
</Route>
</Router>
)

23
lib/components/content.js
View File

@@ -6,10 +6,10 @@ import OffsetKey from '../utils/offset-key'
import React from 'react'
import Selection from '../models/selection'
import TYPES from '../utils/types'
import getWindow from 'get-window'
import includes from 'lodash/includes'
import keycode from 'keycode'
import { IS_FIREFOX, IS_MAC } from '../utils/environment'
import findElementWindow from '../utils/find-element-window'
/**
* Debug.
@@ -253,6 +253,7 @@ class Content extends React.Component {
onCopy = (e) => {
if (isNonEditable(e)) return
const window = getWindow(e.target)
this.tmp.isCopying = true
window.requestAnimationFrame(() => {
@@ -277,6 +278,7 @@ class Content extends React.Component {
onCut = (e) => {
if (this.props.readOnly) return
if (isNonEditable(e)) return
const window = getWindow(e.target)
this.tmp.isCopying = true
window.requestAnimationFrame(() => {
@@ -370,6 +372,7 @@ class Content extends React.Component {
e.preventDefault()
const window = getWindow(e.target)
const { state, renderDecorations } = this.props
const { selection } = state
const { dataTransfer, x, y } = e.nativeEvent
@@ -381,13 +384,11 @@ class Content extends React.Component {
// Resolve the point where the drop occured.
let range
const contextWindow = findElementWindow(e.nativeEvent.target)
// COMPAT: In Firefox, `caretRangeFromPoint` doesn't exist. (2016/07/25)
if (contextWindow.document.caretRangeFromPoint) {
range = contextWindow.document.caretRangeFromPoint(x, y)
if (window.document.caretRangeFromPoint) {
range = window.document.caretRangeFromPoint(x, y)
} else {
range = contextWindow.document.createRange()
range = window.document.createRange()
range.setStart(e.nativeEvent.rangeParent, e.nativeEvent.rangeOffset)
}
@@ -462,11 +463,10 @@ class Content extends React.Component {
if (isNonEditable(e)) return
debug('onInput')
const contextWindow = findElementWindow(e.nativeEvent.target)
const window = getWindow(e.target)
let { state, renderDecorations } = this.props
const { selection } = state
const native = contextWindow.getSelection()
const native = window.getSelection()
const { anchorNode, anchorOffset, focusOffset } = native
const point = this.getPoint(anchorNode, anchorOffset)
const { key, index, start, end } = point
@@ -629,11 +629,10 @@ class Content extends React.Component {
if (this.tmp.isComposing) return
if (isNonEditable(e)) return
const contextWindow = findElementWindow(e.nativeEvent.target)
const window = getWindow(e.target)
const { state, renderDecorations } = this.props
let { document, selection } = state
const native = contextWindow.getSelection()
const native = window.getSelection()
const data = {}
// If there are no ranges, the editor was blurred natively.

15
lib/components/leaf.js
View File

@@ -3,7 +3,7 @@ import Debug from 'debug'
import OffsetKey from '../utils/offset-key'
import React from 'react'
import ReactDOM from 'react-dom'
import findElementWindow from '../utils/find-element-window'
import getWindow from 'get-window'
/**
* Debugger.
@@ -145,16 +145,15 @@ class Leaf extends React.Component {
focusOffset = 0
}
const contextWindow = findElementWindow(ReactDOM.findDOMNode(this))
// We have a selection to render, so prepare a few things...
const native = contextWindow.getSelection()
const el = findDeepestNode(ReactDOM.findDOMNode(this))
const window = getWindow(el)
const native = window.getSelection()
// If both the start and end are here, set the selection all at once.
if (hasAnchor && hasFocus) {
native.removeAllRanges()
const range = contextWindow.document.createRange()
const range = window.document.createRange()
range.setStart(el, anchorOffset - start)
native.addRange(range)
native.extend(el, focusOffset - start)
@@ -167,7 +166,7 @@ class Leaf extends React.Component {
if (selection.isForward) {
if (hasAnchor) {
native.removeAllRanges()
const range = contextWindow.document.createRange()
const range = window.document.createRange()
range.setStart(el, anchorOffset - start)
native.addRange(range)
} else if (hasFocus) {
@@ -182,14 +181,14 @@ class Leaf extends React.Component {
else {
if (hasFocus) {
native.removeAllRanges()
const range = contextWindow.document.createRange()
const range = window.document.createRange()
range.setStart(el, focusOffset - start)
native.addRange(range)
} else if (hasAnchor) {
const endNode = native.focusNode
const endOffset = native.focusOffset
native.removeAllRanges()
const range = contextWindow.document.createRange()
const range = window.document.createRange()
range.setStart(el, anchorOffset - start)
native.addRange(range)
native.extend(endNode, endOffset)

2
lib/components/node.js
View File

@@ -6,7 +6,7 @@ import ReactDOM from 'react-dom'
import TYPES from '../utils/types'
import Text from './text'
import Void from './void'
import scrollTo from 'element-scroll-to'
import scrollTo from '../utils/scroll-to'
/**
* Debug.

18
lib/plugins/core.js
View File

@@ -5,7 +5,7 @@ import Debug from 'debug'
import Placeholder from '../components/placeholder'
import React from 'react'
import String from '../utils/string'
import findElementWindow from '../utils/find-element-window'
import getWindow from 'get-window'
/**
* Debug.
@@ -180,6 +180,7 @@ function Plugin(options = {}) {
function onCut(e, data, state, editor) {
debug('onCut', data)
onCutOrCopy(e, data, state)
const window = getWindow(e.target)
// Once the fake cut content has successfully been added to the clipboard,
// delete the content in the current selection.
@@ -205,9 +206,8 @@ function Plugin(options = {}) {
*/
function onCutOrCopy(e, data, state) {
const contextWindow = findElementWindow(e.nativeEvent.target)
const native = contextWindow.getSelection()
const window = getWindow(e.target)
const native = window.getSelection()
if (!native.rangeCount) return
const { fragment } = data
@@ -217,10 +217,10 @@ function Plugin(options = {}) {
// fragment attached as an attribute, so it will show up in the copied HTML.
const range = native.getRangeAt(0)
const contents = range.cloneContents()
const wrapper = contextWindow.document.createElement('span')
const wrapper = window.document.createElement('span')
const text = contents.childNodes[0]
const char = text.textContent.slice(0, 1)
const first = contextWindow.document.createTextNode(char)
const first = window.document.createTextNode(char)
const rest = text.textContent.slice(1)
text.textContent = rest
wrapper.appendChild(first)
@@ -228,8 +228,8 @@ function Plugin(options = {}) {
contents.insertBefore(wrapper, text)
// Add the phony content to the DOM, and select it, so it will be copied.
const body = contextWindow.document.querySelector('body')
const div = contextWindow.document.createElement('div')
const body = window.document.querySelector('body')
const div = window.document.createElement('div')
div.setAttribute('contenteditable', true)
div.style.position = 'absolute'
div.style.left = '-9999px'
@@ -238,7 +238,7 @@ function Plugin(options = {}) {
// COMPAT: In Firefox, trying to use the terser `native.selectAllChildren`
// throws an error, so we use the older `range` equivalent. (2016/06/21)
const r = contextWindow.document.createRange()
const r = window.document.createRange()
r.selectNodeContents(div)
native.removeAllRanges()
native.addRange(r)

14
lib/utils/find-element-window.js
View File

@@ -1,14 +0,0 @@
/**
* Find the window object for the domNode.
*
* @param {Node} domNode
* @return {Window} window
*/
function findElementWindow(domNode) {
const doc = domNode.ownerDocument || domNode
return doc.defaultView || doc.parentWindow
}
export default findElementWindow

67
lib/utils/scroll-to.js Normal file
View File

@@ -0,0 +1,67 @@
/**
* Copied from `element-scroll-to`, but edited to account for `window` being
* inside of iframes.
*
* https://github.com/webmodules/element-scroll-to
*/
import getWindow from 'get-window'
function scrollWrapperElements(element, options) {
let window = getWindow(element)
let elementRect = element.getBoundingClientRect()
let wrapper = element.parentNode
while (wrapper != window.document.body) {
let wrapperRect = wrapper.getBoundingClientRect()
let margin = options.margin
let deltaX = 0
let deltaY = 0
if (elementRect.top < wrapperRect.top + margin) {
deltaY = elementRect.top - wrapperRect.top - margin
} else if (elementRect.bottom > wrapperRect.bottom - margin) {
deltaY = elementRect.bottom - wrapperRect.bottom + margin
}
if (elementRect.left < wrapperRect.left + margin) {
deltaX = elementRect.left - wrapperRect.left - margin
} else if (elementRect.right > wrapperRect.right - margin) {
deltaX = elementRect.right - wrapperRect.right + margin
}
wrapper.scrollTop += deltaY
wrapper.scrollLeft += deltaX
wrapper = wrapper.parentNode
}
return elementRect
}
function scrollWindow(element, options, elementRect) {
let window = getWindow(element)
let margin = options.margin
let deltaX = 0
let deltaY = 0
if (elementRect.top < 0 + margin) {
deltaY = elementRect.top - margin
} else if (elementRect.bottom > window.innerHeight - margin) {
deltaY = elementRect.bottom - window.innerHeight + margin
}
if (elementRect.left < 0 + margin) {
deltaX = elementRect.left - margin
} else if (elementRect.right > window.innerWidth - margin) {
deltaX = elementRect.right - window.innerWidth + margin
}
window.scrollBy(deltaX, deltaY)
}
function scrollTo(element, options) {
options = options || {}
options.margin = options.margin || 0
let rect = scrollWrapperElements(element, options)
scrollWindow(element, options, rect)
}
export default scrollTo

1
package.json
View File

@@ -12,6 +12,7 @@
"direction": "^0.1.5",
"element-scroll-to": "^1.1.0",
"esrever": "^0.2.0",
"get-window": "^1.1.1",
"immutable": "^3.8.1",
"is-empty": "^1.0.0",
"keycode": "^2.1.2",