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

32 lines
896 B
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*/
'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;
};