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16bb6e87ba
Summary: Support `xhr.send(data)` for typed arrays. **Test plan:** run UIExplorer example on iOS and Android. Closes https://github.com/facebook/react-native/pull/11904 Differential Revision: D4425551 fbshipit-source-id: 065ab5873407a406ca4a831068ab138606c3361b
31 lines
892 B
JavaScript
31 lines
892 B
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule binaryToBase64
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* @flow
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*/
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'use strict';
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const base64 = require('base64-js');
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function binaryToBase64(data: ArrayBuffer | $ArrayBufferView) {
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if (data instanceof ArrayBuffer) {
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data = new Uint8Array(data);
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}
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if (data instanceof Uint8Array) {
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return base64.fromByteArray(data);
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}
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if (!ArrayBuffer.isView(data)) {
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throw new Error('data must be ArrayBuffer or typed array');
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}
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const {buffer, byteOffset, byteLength} = data;
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return base64.fromByteArray(new Uint8Array(buffer, byteOffset, byteLength));
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}
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module.exports = binaryToBase64;
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