93 строки
3.2 KiB
JavaScript
93 строки
3.2 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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var child_process = require('child_process');
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var execFile = require('child_process').execFile;
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var fs = require('fs');
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var opn = require('opn');
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var path = require('path');
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function getChromeAppName() {
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switch (process.platform) {
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case 'darwin':
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return 'google chrome';
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case 'win32':
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return 'chrome';
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default:
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return 'google-chrome';
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}
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}
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function launchChromeDevTools(port) {
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var debuggerURL = 'http://localhost:' + port + '/debugger-ui';
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console.log('Launching Dev Tools...');
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opn(debuggerURL, {app: [getChromeAppName()]}, function(err) {
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if (err) {
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console.error('Google Chrome exited with error:', err);
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}
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});
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}
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function escapePath(path) {
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return '"' + path + '"'; // " Can escape paths with spaces in OS X, Windows, and *nix
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}
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function launchDevTools(options, isChromeConnected) {
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// Explicit config always wins
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var customDebugger = process.env.REACT_DEBUGGER;
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if (customDebugger) {
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var projects = options.projectRoots.map(escapePath).join(' ');
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var command = customDebugger + ' ' + projects;
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console.log('Starting custom debugger by executing: ' + command);
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child_process.exec(command, function (error, stdout, stderr) {
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if (error !== null) {
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console.log('Error while starting custom debugger: ' + error);
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}
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});
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} else if (!isChromeConnected()) {
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// Dev tools are not yet open; we need to open a session
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launchChromeDevTools(options.port);
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}
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}
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module.exports = function(options, isChromeConnected) {
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return function(req, res, next) {
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if (req.url === '/debugger-ui') {
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var debuggerPath = path.join(__dirname, '..', 'util', 'debugger.html');
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res.writeHead(200, {'Content-Type': 'text/html'});
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fs.createReadStream(debuggerPath).pipe(res);
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} else if (req.url === '/debuggerWorker.js') {
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var workerPath = path.join(__dirname, '..', 'util', 'debuggerWorker.js');
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res.writeHead(200, {'Content-Type': 'application/javascript'});
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fs.createReadStream(workerPath).pipe(res);
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} else if (req.url === '/launch-safari-devtools') {
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// TODO: remove `console.log` and dev tools binary
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console.log(
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'We removed support for Safari dev-tools. ' +
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'If you still need this, please let us know.'
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);
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} else if (req.url === '/launch-chrome-devtools') {
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// TODO: Remove this case in the future
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console.log(
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'The method /launch-chrome-devtools is deprecated. You are ' +
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' probably using an application created with an older CLI with the ' +
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' packager of a newer CLI. Please upgrade your application: ' +
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'https://facebook.github.io/react-native/docs/upgrading.html');
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launchDevTools(options, isChromeConnected);
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res.end('OK');
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} else if (req.url === '/launch-js-devtools') {
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launchDevTools(options, isChromeConnected);
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res.end('OK');
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} else {
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next();
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}
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};
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};
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