/**
 * 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.
 */

const plistParser = require('plist');
const getPlistPath = require('./getPlistPath');
const fs = require('fs');

/**
 * Writes to Info.plist located in the iOS project
 *
 * Returns `null` if INFOPLIST_FILE is not specified or file is non-existent.
 */
module.exports = function writePlist(project, sourceDir, plist) {
  const plistPath = getPlistPath(project, sourceDir);

  if (!plistPath) {
    return null;
  }

  // We start with an offset of -1, because Xcode maintains a custom
  // indentation of the plist.
  // Ref: https://github.com/facebook/react-native/issues/11668
  return fs.writeFileSync(
    plistPath,
    plistParser.build(plist, { indent: '\t', offset: -1 }) + '\n'
  );
};