18 lines
551 B
TypeScript
18 lines
551 B
TypeScript
// Copyright 2021 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
export function fileToBytes(file: Blob): Promise<Uint8Array> {
|
|
return new Promise((resolve, rejectPromise) => {
|
|
const FR = new FileReader();
|
|
FR.onload = () => {
|
|
if (!FR.result || typeof FR.result === 'string') {
|
|
rejectPromise(new Error('bytesFromFile: No result!'));
|
|
return;
|
|
}
|
|
resolve(new Uint8Array(FR.result));
|
|
};
|
|
FR.onerror = rejectPromise;
|
|
FR.onabort = rejectPromise;
|
|
FR.readAsArrayBuffer(file);
|
|
});
|
|
}
|