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