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8b0b923063
* Fix "show all/less" options in new review panel * added newLineCharsLimit, inline options * fix scss lint GitOrigin-RevId: 98f29c76d4efda225515162cde0961e55acd5545
98 lines
2.3 KiB
TypeScript
98 lines
2.3 KiB
TypeScript
import { FC, useCallback, useRef, useState } from 'react'
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import OLButton from '@/features/ui/components/ol/ol-button'
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import { useTranslation } from 'react-i18next'
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import classNames from 'classnames'
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export const ExpandableContent: FC<{
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className?: string
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content: string
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contentLimit?: number
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newLineCharsLimit?: number
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checkNewLines?: boolean
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inline?: boolean
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}> = ({
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content,
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className,
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contentLimit = 50,
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newLineCharsLimit = 3,
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checkNewLines = true,
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inline = false,
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}) => {
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const { t } = useTranslation()
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const contentRef = useRef<HTMLDivElement>(null)
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const [isExpanded, setIsExpanded] = useState(false)
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const limit = checkNewLines
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? Math.min(
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contentLimit,
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indexOfNthLine(content, newLineCharsLimit) ?? Infinity
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)
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: contentLimit
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const isOverflowing = content.length > limit
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const handleShowMore = useCallback(() => {
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setIsExpanded(true)
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contentRef.current?.dispatchEvent(
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new CustomEvent('review-panel:position', { bubbles: true })
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)
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}, [])
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const handleShowLess = useCallback(() => {
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setIsExpanded(false)
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contentRef.current?.dispatchEvent(
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new CustomEvent('review-panel:position', { bubbles: true })
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)
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}, [])
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return (
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<>
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<div
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ref={contentRef}
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className={classNames('review-panel-expandable-content', className)}
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>
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{isExpanded ? content : content.slice(0, limit)}
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{isOverflowing && !isExpanded && '...'}
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</div>
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<div
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className={classNames('review-panel-expandable-links', {
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'review-panel-expandable-inline': inline,
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})}
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>
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{isExpanded ? (
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<OLButton
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variant="link"
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className="btn-inline-link"
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onClick={handleShowLess}
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>
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{t('show_less')}
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</OLButton>
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) : (
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isOverflowing && (
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<OLButton
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variant="link"
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className="btn-inline-link"
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onClick={handleShowMore}
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>
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{t('show_more')}
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</OLButton>
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)
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)}
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</div>
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</>
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)
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}
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function indexOfNthLine(content: string, n: number) {
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if (n < 1) return null
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let line = 0
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for (let i = 0; i < content.length; i++) {
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if (content[i] === '\n') {
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line++
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if (line === n) {
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return i
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}
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}
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}
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return null
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}
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