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import { Directive, ElementRef, HostListener, Output, EventEmitter } from '@angular/core'
import { Router } from '@angular/router'
type ElementEvent = Omit<Event, 'target'> & {
target: HTMLInputElement
}
@Directive({
selector: '[timestampRouteTransformer]'
})
export class TimestampRouteTransformerDirective {
@Output() timestampClicked = new EventEmitter<number>()
constructor (private el: ElementRef, private router: Router) { }
@HostListener('click', ['$event'])
public onClick ($event: ElementEvent) {
if ($event.target.hasAttribute('href')) {
const ngxLink = document.createElement('a')
ngxLink.href = $event.target.getAttribute('href')
// we only care about reflective links
if (ngxLink.host !== window.location.host) return
const ngxLinkParams = new URLSearchParams(ngxLink.search)
if (ngxLinkParams.has('start')) {
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()
}
return
}
}
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