28 lines
842 B
TypeScript
28 lines
842 B
TypeScript
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import { env } from '../env';
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import { isMediaLoaded } from './isMediaLoaded';
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export function awaitMediaLoaded(media: HTMLImageElement | HTMLVideoElement | HTMLCanvasElement) {
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return new Promise((resolve, reject) => {
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if (media instanceof env.getEnv().Canvas || isMediaLoaded(media)) {
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return resolve(null)
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}
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function onLoad(e: Event) {
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if (!e.currentTarget) return
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e.currentTarget.removeEventListener('load', onLoad)
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e.currentTarget.removeEventListener('error', onError)
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resolve(e)
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}
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function onError(e: Event) {
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if (!e.currentTarget) return
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e.currentTarget.removeEventListener('load', onLoad)
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e.currentTarget.removeEventListener('error', onError)
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reject(e)
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}
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media.addEventListener('load', onLoad)
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media.addEventListener('error', onError)
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})
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}
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