26 lines
631 B
Plaintext
26 lines
631 B
Plaintext
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @providesModule PhotosMimeType
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*/
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const PhotosMimeType = {
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isImage(mimeString) {
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return getParts(mimeString)[0] === 'image';
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},
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isJpeg(mimeString) {
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const parts = getParts(mimeString);
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return PhotosMimeType.isImage(mimeString) && (
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// see http://fburl.com/10972194
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parts[1] === 'jpeg' || parts[1] === 'pjpeg');
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}
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};
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function getParts(mimeString) {
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return mimeString.split('/');
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}
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module.exports = PhotosMimeType; |