signal-desktop/ts/util/arrayBufferToObjectURL.ts
2020-11-04 13:03:13 -06:00

22 lines
461 B
TypeScript

// Copyright 2018-2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import is from '@sindresorhus/is';
import { MIMEType } from '../types/MIME';
export const arrayBufferToObjectURL = ({
data,
type,
}: {
data: ArrayBuffer;
type: MIMEType;
}): string => {
if (!is.arrayBuffer(data)) {
throw new TypeError('`data` must be an ArrayBuffer');
}
const blob = new Blob([data], { type });
return URL.createObjectURL(blob);
};