react-native/local-cli/core/android/findPackageClassName.js

31 lines
1003 B
JavaScript

/**
* 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');
const glob = require('glob');
const path = require('path');
/**
* Gets package's class name (class that implements ReactPackage)
* by searching for its declaration in all Java/Kotlin files present in the folder
*
* @param {String} folder Folder to find java/kt files
*/
module.exports = function getPackageClassName(folder) {
const files = glob.sync('**/+(*.java|*.kt)', { cwd: folder });
const packages = files
.map(filePath => fs.readFileSync(path.join(folder, filePath), 'utf8'))
.map(file => file.match(/class (.*) +(implements|:) ReactPackage/))
.filter(match => match);
return packages.length ? packages[0][1] : null;
};