1ff70886a1
Co-authored-by: tobi <tobi.smethurst@protonmail.com> Reviewed-on: https://codeberg.org/superseriousbusiness/masto-fe-standalone/pulls/88 Co-authored-by: Zoë Bijl <moiety@noreply.codeberg.org> Co-committed-by: Zoë Bijl <moiety@noreply.codeberg.org>
31 lines
861 B
TypeScript
31 lines
861 B
TypeScript
import "core-js/features/object/assign";
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import "core-js/features/object/values";
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import "core-js/features/symbol";
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import "core-js/features/promise/finally";
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import { decode as decodeBase64 } from "../utils/base64";
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if (!Object.hasOwn(HTMLCanvasElement.prototype, "toBlob")) {
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const BASE64_MARKER = ";base64,";
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Object.defineProperty(HTMLCanvasElement.prototype, "toBlob", {
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value: function (
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this: HTMLCanvasElement,
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callback: BlobCallback,
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type = "image/png",
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quality: unknown,
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) {
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const dataURL: string = this.toDataURL(type, quality);
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let data;
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if (dataURL.includes(BASE64_MARKER)) {
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const [, base64] = dataURL.split(BASE64_MARKER);
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data = decodeBase64(base64);
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} else {
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[, data] = dataURL.split(",");
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}
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callback(new Blob([data], { type }));
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},
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});
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}
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