|
1 | 1 | import cs from 'classnames'
|
2 |
| -import React, { Component, CSSProperties, MouseEvent, ReactNode, RefObject } from 'react' |
| 2 | +import React, { CSSProperties, MouseEvent, ReactNode, RefObject, useState } from 'react' |
3 | 3 |
|
4 | 4 | import { onEnterOrSpace } from '../lib/util'
|
5 | 5 |
|
6 | 6 | import ChevronIcon from '@packages/frontend-shared/src/assets/icons/chevron-down-small_x8.svg'
|
7 | 7 |
|
8 |
| -interface Props { |
| 8 | +interface CollapsibleProps { |
9 | 9 | isOpen?: boolean
|
10 | 10 | headerClass?: string
|
11 | 11 | headerStyle?: CSSProperties
|
12 | 12 | header?: ReactNode
|
13 | 13 | headerExtras?: ReactNode
|
14 | 14 | containerRef?: RefObject<HTMLDivElement>
|
15 | 15 | contentClass?: string
|
16 |
| - hideExpander: boolean |
| 16 | + hideExpander?: boolean |
| 17 | + children: React.ReactNode |
17 | 18 | }
|
18 | 19 |
|
19 |
| -interface State { |
20 |
| - isOpen: boolean |
21 |
| -} |
22 |
| - |
23 |
| -class Collapsible extends Component<Props, State> { |
24 |
| - static defaultProps = { |
25 |
| - isOpen: false, |
26 |
| - headerClass: '', |
27 |
| - headerStyle: {}, |
28 |
| - contentClass: '', |
29 |
| - hideExpander: false, |
30 |
| - } |
31 |
| - |
32 |
| - constructor (props: Props) { |
33 |
| - super(props) |
| 20 | +const Collapsible: React.FC<CollapsibleProps> = ({ isOpen: isOpenAsProp = false, header, headerClass = '', headerStyle = {}, headerExtras, contentClass = '', hideExpander = false, containerRef = null, toggleOpen = () => undefined, children }) => { |
| 21 | + const [isOpen, setIsOpen] = useState(isOpenAsProp) |
34 | 22 |
|
35 |
| - this.state = { isOpen: props.isOpen || false } |
| 23 | + const _onClick = (e: MouseEvent) => { |
| 24 | + e.stopPropagation() |
| 25 | + setIsOpen(!isOpen) |
36 | 26 | }
|
37 | 27 |
|
38 |
| - componentDidUpdate (prevProps: Props) { |
39 |
| - if (this.props.isOpen != null && this.props.isOpen !== prevProps.isOpen) { |
40 |
| - this.setState({ isOpen: this.props.isOpen }) |
41 |
| - } |
| 28 | + const _onKeyPress = () => { |
| 29 | + setIsOpen(!isOpen) |
42 | 30 | }
|
43 | 31 |
|
44 |
| - render () { |
45 |
| - return ( |
46 |
| - <div className={cs('collapsible', { 'is-open': this.state.isOpen })} ref={this.props.containerRef}> |
47 |
| - <div className={cs('collapsible-header-wrapper', this.props.headerClass)}> |
| 32 | + return ( |
| 33 | + <div className={cs('collapsible', { 'is-open': isOpen })} ref={containerRef}> |
| 34 | + <div className={cs('collapsible-header-wrapper', headerClass)}> |
| 35 | + <div |
| 36 | + aria-expanded={isOpen} |
| 37 | + className='collapsible-header' |
| 38 | + onClick={_onClick} |
| 39 | + onKeyUp={onEnterOrSpace(_onKeyPress)} |
| 40 | + role='button' |
| 41 | + tabIndex={0} |
| 42 | + > |
48 | 43 | <div
|
49 |
| - aria-expanded={this.state.isOpen} |
50 |
| - className='collapsible-header' |
51 |
| - onClick={this._onClick} |
52 |
| - onKeyPress={onEnterOrSpace(this._onKeyPress)} |
53 |
| - role='button' |
54 |
| - tabIndex={0} |
| 44 | + className='collapsible-header-inner' |
| 45 | + style={headerStyle} |
| 46 | + tabIndex={-1} |
55 | 47 | >
|
56 |
| - <div |
57 |
| - className='collapsible-header-inner' |
58 |
| - style={this.props.headerStyle} |
59 |
| - tabIndex={-1} |
60 |
| - > |
61 |
| - {!this.props.hideExpander && <ChevronIcon className='collapsible-indicator' />} |
62 |
| - <span className='collapsible-header-text'> |
63 |
| - {this.props.header} |
64 |
| - </span> |
65 |
| - </div> |
| 48 | + {!hideExpander && <ChevronIcon className='collapsible-indicator' />} |
| 49 | + <span className='collapsible-header-text'> |
| 50 | + {header} |
| 51 | + </span> |
66 | 52 | </div>
|
67 |
| - {this.props.headerExtras} |
68 | 53 | </div>
|
69 |
| - {this.state.isOpen && ( |
70 |
| - <div className={cs('collapsible-content', this.props.contentClass)}> |
71 |
| - {this.props.children} |
72 |
| - </div> |
73 |
| - )} |
| 54 | + {headerExtras} |
74 | 55 | </div>
|
75 |
| - ) |
76 |
| - } |
77 |
| - |
78 |
| - _toggleOpen = () => { |
79 |
| - this.setState({ isOpen: !this.state.isOpen }) |
80 |
| - } |
81 |
| - |
82 |
| - _onClick = (e: MouseEvent) => { |
83 |
| - e.stopPropagation() |
84 |
| - this._toggleOpen() |
85 |
| - } |
86 |
| - |
87 |
| - _onKeyPress = () => { |
88 |
| - this._toggleOpen() |
89 |
| - } |
| 56 | + {isOpen && ( |
| 57 | + <div className={cs('collapsible-content', contentClass)}> |
| 58 | + {children} |
| 59 | + </div> |
| 60 | + )} |
| 61 | + </div> |
| 62 | + ) |
90 | 63 | }
|
91 | 64 |
|
92 | 65 | export default Collapsible
|
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