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[web] Shared React hooks JS to TS conversion GitOrigin-RevId: 0ccdebff236c7424b1a73cd7d6646a9d01a20eb1
67 lines
1.7 KiB
TypeScript
67 lines
1.7 KiB
TypeScript
import { useRef, useState, useLayoutEffect } from 'react'
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import classNames from 'classnames'
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function useExpandCollapse({
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initiallyExpanded = false,
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collapsedSize = 0,
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dimension = 'height',
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classes = { container: '', containerCollapsed: '' },
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} = {}) {
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const ref = useRef<{ scrollHeight: number; scrollWidth: number }>()
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const [isExpanded, setIsExpanded] = useState(initiallyExpanded)
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const [sizing, setSizing] = useState<{
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size: number | null
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needsExpandCollapse: boolean | null
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}>({
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size: null,
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needsExpandCollapse: null,
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})
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useLayoutEffect(() => {
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const expandCollapseEl = ref.current
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if (expandCollapseEl) {
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const expandedSize =
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dimension === 'height'
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? expandCollapseEl.scrollHeight
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: expandCollapseEl.scrollWidth
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const needsExpandCollapse = expandedSize > collapsedSize
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if (isExpanded) {
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setSizing({ size: expandedSize, needsExpandCollapse })
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} else {
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setSizing({
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size: needsExpandCollapse ? collapsedSize : expandedSize,
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needsExpandCollapse,
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})
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}
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}
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}, [isExpanded, collapsedSize, dimension])
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const expandableClasses = classNames(
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'expand-collapse-container',
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classes.container,
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!isExpanded ? classes.containerCollapsed : null
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)
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function handleToggle() {
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setIsExpanded(!isExpanded)
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}
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return {
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isExpanded,
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needsExpandCollapse: sizing.needsExpandCollapse,
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expandableProps: {
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ref,
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style: {
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[dimension === 'height' ? 'height' : 'width']: `${sizing.size}px`,
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},
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className: expandableClasses,
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},
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toggleProps: {
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onClick: handleToggle,
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},
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}
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}
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export default useExpandCollapse
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