22 lines
588 B
JavaScript
22 lines
588 B
JavaScript
/* eslint-env browser, node */
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function isDataURL(str) {
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if (str === null) {
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return false;
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}
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const regex = /^\s*data:([a-z]+\/[a-z]+(;[a-z-]+=[a-z-]+)?)?(;base64)?,[a-z0-9!$&',()*+;=\-._~:@/?%\s]*\s*$/i;
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return !!str.match(regex);
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}
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export default function loadImageURL(imageURL, crossOrigin) {
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return new Promise((resolve, reject) => {
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const image = new Image();
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image.onload = () => resolve(image);
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image.onerror = reject;
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if (isDataURL(imageURL) === false && crossOrigin) {
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image.crossOrigin = crossOrigin;
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}
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image.src = imageURL;
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});
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}
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