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import { Directive, EventEmitter, HostListener, Output } from '@angular/core'
@Directive({
selector: '[myTimestampRouteTransformer]'
})
export class TimestampRouteTransformerDirective {
@Output() timestampClicked = new EventEmitter<number>()
@HostListener('click', [ '$event' ])
public onClick ($event: Event) {
const target = $event.target as HTMLLinkElement
if (target.hasAttribute('href') !== true) return
if (!target.classList.contains('video-timestamp')) return
const ngxLink = document.createElement('a')
ngxLink.href = target.getAttribute('href')
const ngxLinkParams = new URLSearchParams(ngxLink.search)
if (ngxLinkParams.has('start') !== true) return
const separators = [ 'h', 'm', 's' ]
const start = ngxLinkParams
.get('start')
.match(new RegExp('(\\d{1,9}[' + separators.join('') + '])', 'g')) // match digits before any given separator
.map(t => {
if (t.includes('h')) return parseInt(t, 10) * 3600
if (t.includes('m')) return parseInt(t, 10) * 60
return parseInt(t, 10)
})
.reduce((acc, t) => acc + t)
this.timestampClicked.emit(start)
$event.preventDefault()
}
}
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