jiti-meet/react/features/base/participants/preloadImage.web.js

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// @flow
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import { isIconUrl } from './functions';
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/**
* Tries to preload an image.
*
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* @param {string | Object} src - Source of the avatar.
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* @returns {Promise}
*/
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export function preloadImage(src: string | Object): Promise<string> {
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if (isIconUrl(src)) {
return Promise.resolve(src);
}
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return new Promise((resolve, reject) => {
const image = document.createElement('img');
image.onload = () => resolve(src);
image.onerror = reject;
image.src = src;
});
}