138 lines
4.0 KiB
JavaScript
138 lines
4.0 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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'use strict';
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const execSync = require('child_process').execSync;
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const eol = require('os').EOL;
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const fs = require('fs');
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const Promise = require('promise');
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/**
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* Adds a third-party library to the current project.
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*
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* Usage:
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* react-native link awesome-camera
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* react-native link awesome-camera@0.2.0
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*
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* Does the following:
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* npm install --save awesome-camera
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* If the library contains native Android code, adds it to the build.
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*/
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function link(argv, config) {
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return new Promise((resolve, reject) => {
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try {
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_link(argv, config);
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} catch (e) {
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reject(e);
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return;
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}
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resolve();
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});
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}
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function _link(argv, config) {
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// argv examples:
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// ['link', 'awesome-camera']
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// ['link', 'awesome-camera@0.2']
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if (argv.length !== 2) {
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throw 'Please provide one argument (library to install).\n' +
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'Usage example: react-native link awesome-camera';
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}
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const libraryAndVersion = argv[1];
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const library = libraryAndVersion.split('@')[0];
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_npmInstall(libraryAndVersion);
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_maybeLinkAndroid(library);
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}
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function _npmInstall(library) {
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const command = 'npm install --save ' + library;
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console.log('Running ' + command);
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try {
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execSync(command);
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} catch (e) {
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throw command + ' failed';
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}
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}
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/**
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* If this library contains Android native code, add it to the build.
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*/
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function _maybeLinkAndroid(library) {
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if (!_pathExists(`node_modules/${library}/android`)) {
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return;
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}
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if (
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(!_pathExists('android/settings.gradle')) ||
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(!_pathExists('android/app/build.gradle'))) {
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console.log('The library contains native Android code but this is not an ' +
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'Android project, skipping.'
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);
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return;
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}
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if (!_pathExists(`node_modules/${library}/android/build.gradle`)) {
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console.log('Looks like the Android library has incorrect format: ' +
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'android/build.gradle is missing.'
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);
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return;
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}
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// Update settings.gradle
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if (fs.readFileSync('android/settings.gradle', 'utf8').indexOf(`include ':${library}'`) !== -1) {
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console.log('The library is already present in android/settings.gradle.');
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} else {
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fs.appendFileSync('android/settings.gradle',
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`${eol}// ${library} dependency${eol}` +
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`include ':${library}'${eol}` +
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`project(':${library}').projectDir = ` +
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`new File(rootProject.projectDir, '../node_modules/${library}/android')${eol}`
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);
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console.log('Updated android/settings.gradle');
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}
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// Update android/app/build.gradle
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const build = fs.readFileSync('android/app/build.gradle', 'utf8');
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if (build.indexOf(`compile project(":${library}")`) !== -1) {
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console.log('The library is already present in android/app/build.gradle.');
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} else {
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const append = (
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// Include sources
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` compile project(":${library}")${eol}` +
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// Include libs/*.jar
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` compile fileTree(dir: "node_modules/${library}/android/libs", include: ["*.jar"])`
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);
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const buildWithDeps = build.replace(
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/dependencies {([^}]*)}/g,
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`dependencies {$1${eol}${append}${eol}}`
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);
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fs.writeFileSync('android/app/build.gradle', buildWithDeps, 'utf8');
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console.log('Updated android/app/build.gradle');
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}
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// We could try to automate this as well.
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// E.g. by convention the package name would end with Package.java.
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console.log('Next step: add the library to your MainActivity.java by calling addPackage().\n' +
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`Look for the package name in node_modules/${library}/android/src/main/java`
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);
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}
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function _pathExists(path) {
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try {
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const stats = fs.statSync(path);
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return stats.isFile() || stats.isDirectory();
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} catch (e) {
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if (e.code === 'ENOENT') {
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return false;
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}
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throw e;
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}
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}
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module.exports = link;
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