react-scripts
Version:
Configuration and scripts for Create React App.
30 lines (26 loc) • 820 B
JavaScript
/**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
;
const SUPPORTED_PLATFORM_EXTS = {
android: true,
ios: true,
native: true,
web: true };
// Extract platform extension: index.ios.js -> ios
function getPlatformExtension(file) {
const last = file.lastIndexOf('.');
const secondToLast = file.lastIndexOf('.', last - 1);
if (secondToLast === -1) {
return null;
}
const platform = file.substring(secondToLast + 1, last);
return SUPPORTED_PLATFORM_EXTS[platform] ? platform : null;
}
module.exports = getPlatformExtension;