-
-
Notifications
You must be signed in to change notification settings - Fork 32.4k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
5e2ceed
commit a10956e
Showing
13 changed files
with
258 additions
and
53 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,183 @@ | ||
| /* eslint-disable react/no-danger */ | ||
|
|
||
| import React from 'react'; | ||
| import PropTypes from 'prop-types'; | ||
| import Link from 'docs/src/modules/components/Link'; | ||
| import marked from 'marked'; | ||
| import debounce from 'debounce'; // < 1kb payload overhead when lodash/debounce is > 3kb. | ||
| import EventListener from 'react-event-listener'; | ||
| import { withStyles } from '@material-ui/core/styles'; | ||
| import Typography from '@material-ui/core/Typography'; | ||
| import { textToHash } from '@material-ui/docs/MarkdownElement/MarkdownElement'; | ||
|
|
||
| const renderer = new marked.Renderer(); | ||
|
|
||
| let itemsServer = null; | ||
| renderer.heading = (text, level) => { | ||
| if (level === 1 || level > 3) { | ||
| return; | ||
| } | ||
|
|
||
| if (level === 2) { | ||
| itemsServer.push({ | ||
| text, | ||
| level, | ||
| hash: textToHash(text), | ||
| children: [], | ||
| }); | ||
| } | ||
|
|
||
| if (level === 3) { | ||
| itemsServer[itemsServer.length - 1].children.push({ | ||
| text, | ||
| level, | ||
| hash: textToHash(text), | ||
| }); | ||
| } | ||
| }; | ||
|
|
||
| const styles = theme => ({ | ||
| root: { | ||
| top: 70, | ||
| width: 160, | ||
| flexShrink: 0, | ||
| order: 2, | ||
| position: 'sticky', | ||
| wordBreak: 'break-word', | ||
| height: 'calc(100vh - 70px)', | ||
| overflowY: 'auto', | ||
| padding: `${theme.spacing.unit * 2}px ${theme.spacing.unit * 2}px ${theme.spacing.unit * | ||
| 2}px 0`, | ||
| display: 'none', | ||
| [theme.breakpoints.up('md')]: { | ||
| display: 'block', | ||
| }, | ||
| }, | ||
| ul: { | ||
| padding: 0, | ||
| margin: 0, | ||
| listStyleType: 'none', | ||
| }, | ||
| item: { | ||
| fontSize: 13, | ||
| padding: `${theme.spacing.unit / 2}px 0`, | ||
| }, | ||
| }); | ||
|
|
||
| class AppTableOfContents extends React.Component { | ||
| handleScroll = debounce(() => { | ||
| this.findActiveIndex(); | ||
| }, 166); // Corresponds to 10 frames at 60 Hz. | ||
|
|
||
| constructor(props) { | ||
| super(props); | ||
| itemsServer = []; | ||
| marked(props.contents.join(''), { | ||
| renderer, | ||
| }); | ||
| } | ||
|
|
||
| state = { | ||
| active: null, | ||
| }; | ||
|
|
||
| componentDidMount() { | ||
| this.itemsClient = []; | ||
|
|
||
| itemsServer.forEach(item2 => { | ||
| this.itemsClient.push({ | ||
| ...item2, | ||
| node: document.getElementById(item2.hash), | ||
| }); | ||
|
|
||
| if (item2.children.length > 0) { | ||
| item2.children.forEach(item3 => { | ||
| this.itemsClient.push({ | ||
| ...item3, | ||
| node: document.getElementById(item3.hash), | ||
| }); | ||
| }); | ||
| } | ||
| }); | ||
|
|
||
| this.findActiveIndex(); | ||
| } | ||
|
|
||
| componentWillUnmount() { | ||
| this.handleScroll.clear(); | ||
| } | ||
|
|
||
| findActiveIndex = () => { | ||
| const active = this.itemsClient.find( | ||
| (item, index) => | ||
| document.documentElement.scrollTop < item.node.offsetTop + 100 || | ||
| index === this.itemsClient.length - 1, | ||
| ); | ||
|
|
||
| if (active && this.state.active !== active.hash) { | ||
| this.setState({ | ||
| active: active.hash, | ||
| }); | ||
| } | ||
| }; | ||
|
|
||
| render() { | ||
| const { classes } = this.props; | ||
| const { active } = this.state; | ||
|
|
||
| return ( | ||
| <nav className={classes.root}> | ||
| {itemsServer.length > 0 ? ( | ||
| <React.Fragment> | ||
| <Typography variant="body2" gutterBottom> | ||
| Contents | ||
| </Typography> | ||
| <EventListener target="window" onScroll={this.handleScroll} /> | ||
| <ul className={classes.ul}> | ||
| {itemsServer.map(item2 => ( | ||
| <li key={item2.text}> | ||
| <Typography | ||
| color={active === item2.hash ? 'textPrimary' : 'textSecondary'} | ||
| className={classes.item} | ||
| component={linkProps => ( | ||
| <Link {...linkProps} variant="inherit" href={`#${item2.hash}`} /> | ||
| )} | ||
| > | ||
| <span dangerouslySetInnerHTML={{ __html: item2.text }} /> | ||
| </Typography> | ||
| {item2.children.length > 0 ? ( | ||
| <ul className={classes.ul}> | ||
| {item2.children.map(item3 => ( | ||
| <li key={item3.text}> | ||
| <Typography | ||
| className={classes.item} | ||
| style={{ | ||
| paddingLeft: 8 * 2, | ||
| }} | ||
| color={active === item3.hash ? 'textPrimary' : 'textSecondary'} | ||
| component={linkProps => ( | ||
| <Link {...linkProps} variant="inherit" href={`#${item3.hash}`} /> | ||
| )} | ||
| > | ||
| <span dangerouslySetInnerHTML={{ __html: item3.text }} /> | ||
| </Typography> | ||
| </li> | ||
| ))} | ||
| </ul> | ||
| ) : null} | ||
| </li> | ||
| ))} | ||
| </ul> | ||
| </React.Fragment> | ||
| ) : null} | ||
| </nav> | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| AppTableOfContents.propTypes = { | ||
| classes: PropTypes.object.isRequired, | ||
| contents: PropTypes.array.isRequired, | ||
| }; | ||
|
|
||
| export default withStyles(styles)(AppTableOfContents); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.