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<!doctype html> <html lang="en"> <head> <title>Code coverage report for components/Collapsible/Collapsible.tsx</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">All files</a> / <a href="index.html">components/Collapsible</a> Collapsible.tsx </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 0% Statements 0/40 </div> <div class='fl pad1y space-right2'> 0% Branches 0/28 </div> <div class='fl pad1y space-right2'> 0% Functions 0/9 </div> <div class='fl pad1y space-right2'> 0% Lines 0/40 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. </div> <div class='status-line low'></div> 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from 'react-motion'; import { QUICK_SLIDE_MOTION } from '../../constants/motion-spring'; import { lucidClassNames } from '../../util/style-helpers'; import { omitProps, StandardProps } from '../../util/component-types';   const cx = lucidClassNames.bind('&-Collapsible');   const { any, bool, node, number, string, func } = PropTypes;   // TODO: Is there a better way to add type checks for passThroughs in this case // where the underling element could be anything vs just extending // `React.HTMLProps<HTMLElement>`? Related to issue #1045 export interface ICollapsibleProps extends StandardProps, React.DetailedHTMLProps<React.HTMLAttributes<HTMLElement>, HTMLElement> { /** Indicates that the component is in the "expanded" state when true and in * the "unexpanded" state when false. */ isExpanded: boolean;   /** Show an animated transition for alternating values of \`isExpanded\`. */ isAnimated: boolean;   /** If true, do not render children when fully collapsed. */ isMountControlled: boolean;   /** If \isMountControlled\ is true, this value sets is the minimum height * the container needs to reach to not render any children. */ mountControlThreshold: number;   /** Pass in a custom root element type. */ rootType: any;   /** Pass in a callback to be called after ExpanderPanel has came to a rest. */ onRest?: () => void; }   export interface ICollapsibleState { maxHeight: number; }   class Collapsible extends React.Component< ICollapsibleProps, ICollapsibleState, {} > { static displayName = 'Collapsible'; static peek = { description: ` This is a simple container that can render content as expanded or collapsed. `, categories: ['utility'], }; // static _isPrivate = true; static propTypes = { children: node` Expandable content. `,   className: string` Appended to the component-specific class names set on the root element. `,   isExpanded: bool` Indicates that the component is in the "expanded" state when true and in the "unexpanded" state when false. `,   isAnimated: bool` Show an animated transition for alternating values of \`isExpanded\`. `,   isMountControlled: bool` If true, do not render children when fully collapsed. `,   mountControlThreshold: number` If \`isMountControlled\` is true, this value sets is the minimum height the container needs to reach to not render any children. `,   onRest: func`Optional. The callback that fires when the animation comes to a rest.`,   rootType: any` Pass in a custom root element type. `, };   private rootRef = React.createRef<HTMLDivElement>();   isAnimated: boolean | undefined = false; delayTimer: number | null = null; _isMounted = false;   static defaultProps = { isExpanded: true, isAnimated: true, isMountControlled: true, mountControlThreshold: 4, rootType: 'div', };   state = { maxHeight: 0, };   UNSAFE_componentWillMount(): void { this._isMounted = false; this.isAnimated = false; this.delayTimer = null; }   componentDidMount(): void { this._isMounted = true; _.delay((): void => { // const maxHeight = _.get(this, 'rootRef.current.scrollHeight'); if (this._isMounted) { this.setState({ maxHeight: _.get(this, 'rootRef.current.scrollHeight'), }); } this.isAnimated = this.props.isAnimated; }, 32); }   componentDidUpdate(): void { this.isAnimated = false; this.delayTimer = _.delay((): void => { if (this.props.isExpanded) { const maxHeight = _.get(this, 'rootRef.current.scrollHeight'); if (maxHeight !== this.state.maxHeight) { if (this._isMounted) { this.setState({ maxHeight, }); } } } this.isAnimated = this.props.isAnimated; }, 32); }   componentWillUnmount(): void { this.delayTimer && clearTimeout(this.delayTimer); }   render(): React.ReactNode { const { children, className, isExpanded, isMountControlled, mountControlThreshold, rootType, onRest, ...passThroughs } = this.props;   const { maxHeight } = this.state;   return ( <Motion style={ this.isAnimated ? { height: isExpanded ? spring(maxHeight, QUICK_SLIDE_MOTION) : spring(0, QUICK_SLIDE_MOTION), } : { height: isExpanded ? maxHeight : 0 } } onRest={onRest} > {(tween): JSX.Element => React.createElement( rootType, { ...omitProps( passThroughs, undefined, Object.keys(Collapsible.propTypes) ), ref: this.rootRef, className: cx('&', className), style: { height: tween.height !== maxHeight ? tween.height < 0 ? 0 : tween.height : null, overflow: 'hidden', padding: 0, ...passThroughs.style, }, }, [ <div key='content' className={cx('&-content')} style={{ margin: 0 }} > {isMountControlled && !isExpanded ? _.isNull(maxHeight) || Math.abs(tween.height) > (mountControlThreshold as number) ? children : null : children} </div>, ] ) } </Motion> ); } }   export default Collapsible;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Wed Dec 02 2020 17:53:54 GMT+0000 (Coordinated Universal Time) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> <script src="../../block-navigation.js"></script> </body> </html>