react-native/local-cli/util/copyAndReplace.js

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/**
* Copyright (c) 2015-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.
*/
'use strict';
const fs = require('fs');
function copyAndReplace(src, dest, replacements) {
console.log('src', src);
console.log('dest', dest);
if (fs.lstatSync(src).isDirectory()) {
if (!fs.existsSync(dest)) {
fs.mkdirSync(dest);
}
} else {
let content = fs.readFileSync(src, 'utf8');
Object.keys(replacements).forEach(regex =>
content = content.replace(new RegExp(regex, 'g'), replacements[regex])
);
fs.writeFileSync(dest, content);
}
}
module.exports = copyAndReplace;