21 lines
680 B
TypeScript
21 lines
680 B
TypeScript
import { isBrowser } from '~/utils/system';
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// eslint-disable-next-line @typescript-eslint/unbound-method
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if (isBrowser() && !window.HTMLCanvasElement.prototype.toBlob) {
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Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
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value(callback: BlobCallback, type?: string | undefined, quality?: number) {
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setTimeout(() => {
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const binStr = atob(this.toDataURL(type, quality).split(',')[1]);
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const len = binStr.length;
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const arr = new Uint8Array(len);
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for (let i = 0; i < len; i += 1) {
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arr[i] = binStr.charCodeAt(i);
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}
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callback(new Blob([arr], { type: type || 'image/png' }));
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});
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},
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});
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}
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