122 lines
4.0 KiB
JavaScript
122 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 chalk = require('chalk');
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const formatBanner = require('./formatBanner');
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const path = require('path');
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const runServer = require('./runServer');
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const findSymlinksPaths = require('./findSymlinksPaths');
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const NODE_MODULES = path.resolve(__dirname, '..', '..', '..');
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/**
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* Starts the React Native Packager Server.
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*/
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function server(argv, config, args) {
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args.projectRoots = args.projectRoots.concat(
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args.root,
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findSymlinksPaths(NODE_MODULES)
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);
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console.log(formatBanner(
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'Running packager on port ' + args.port + '.\n\n' +
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'Keep this packager running while developing on any JS projects. ' +
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'Feel free to close this tab and run your own packager instance if you ' +
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'prefer.\n\n' +
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'https://github.com/facebook/react-native', {
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marginLeft: 1,
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marginRight: 1,
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paddingBottom: 1,
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})
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);
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console.log(
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'Looking for JS files in\n ',
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chalk.dim(args.projectRoots.join('\n ')),
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'\n'
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);
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process.on('uncaughtException', error => {
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if (error.code === 'EADDRINUSE') {
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console.log(
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chalk.bgRed.bold(' ERROR '),
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chalk.red('Packager can\'t listen on port', chalk.bold(args.port))
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);
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console.log('Most likely another process is already using this port');
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console.log('Run the following command to find out which process:');
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console.log('\n ', chalk.bold('lsof -n -i4TCP:' + args.port), '\n');
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console.log('You can either shut down the other process:');
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console.log('\n ', chalk.bold('kill -9 <PID>'), '\n');
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console.log('or run packager on different port.');
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} else {
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console.log(chalk.bgRed.bold(' ERROR '), chalk.red(error.message));
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const errorAttributes = JSON.stringify(error);
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if (errorAttributes !== '{}') {
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console.error(chalk.red(errorAttributes));
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}
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console.error(chalk.red(error.stack));
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}
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console.log('\nSee', chalk.underline('http://facebook.github.io/react-native/docs/troubleshooting.html'));
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console.log('for common problems and solutions.');
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process.exit(1);
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});
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runServer(args, config, () => console.log('\nReact packager ready.\n'));
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}
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module.exports = {
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name: 'start',
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func: server,
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description: 'starts the webserver',
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options: [{
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command: '--port [number]',
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default: 8081,
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parse: (val) => Number(val),
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}, {
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command: '--host [string]',
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default: '',
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}, {
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command: '--root [list]',
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description: 'add another root(s) to be used by the packager in this project',
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parse: (val) => val.split(',').map(root => path.resolve(root)),
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default: [],
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}, {
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command: '--projectRoots [list]',
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description: 'override the root(s) to be used by the packager',
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parse: (val) => val.split(','),
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default: (config) => config.getProjectRoots(),
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}, {
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command: '--assetRoots [list]',
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description: 'specify the root directories of app assets',
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parse: (val) => val.split(',').map(dir => path.resolve(process.cwd(), dir)),
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default: (config) => config.getAssetRoots(),
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}, {
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command: '--assetExts [list]',
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description: 'Specify any additional asset extentions to be used by the packager',
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parse: (val) => val.split(','),
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default: (config) => config.getAssetExts(),
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}, {
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command: '--skipflow',
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description: 'Disable flow checks'
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}, {
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command: '--nonPersistent',
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description: 'Disable file watcher'
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}, {
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command: '--transformer [string]',
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default: require.resolve('../../packager/transformer'),
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description: 'Specify a custom transformer to be used (absolute path)'
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}, {
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command: '--reset-cache, --resetCache',
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description: 'Removes cached files',
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}, {
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command: '--verbose',
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description: 'Enables logging',
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}],
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};
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