19 lines
578 B
JavaScript
19 lines
578 B
JavaScript
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(function () {
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if ('File' in self) {
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File.prototype.arrayBuffer = File.prototype.arrayBuffer || myArrayBuffer
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}
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Blob.prototype.arrayBuffer = Blob.prototype.arrayBuffer || myArrayBuffer;
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function myArrayBuffer() {
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// this: File or Blob
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return new Promise((resolve) => {
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let fr = new FileReader();
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fr.onload = () => {
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resolve(fr.result);
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};
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fr.readAsArrayBuffer(this);
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})
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}
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})();
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// This is a simple trick to implement Blob.arrayBuffer (https://developer.mozilla.org/en-US/docs/Web/API/Blob/arrayBuffer) using FileReader
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