mirror of
https://github.com/zhigang1992/create-react-app.git
synced 2026-01-13 09:00:30 +08:00
* mv create-react-app/index.js -> create-react-app/creteReactApp.js * update to modern code style * var -> cosnt * set trailing-coma to es5 for prettier
71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
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';
|
|
|
|
var execSync = require('child_process').execSync;
|
|
var opn = require('opn');
|
|
|
|
// https://github.com/sindresorhus/opn#app
|
|
var OSX_CHROME = 'google chrome';
|
|
|
|
function openBrowser(url) {
|
|
// Attempt to honor this environment variable.
|
|
// It is specific to the operating system.
|
|
// See https://github.com/sindresorhus/opn#app for documentation.
|
|
var browser = process.env.BROWSER;
|
|
|
|
// Special case: BROWSER="none" will prevent opening completely.
|
|
if (browser === 'none') {
|
|
return false;
|
|
}
|
|
|
|
// If we're on OS X, the user hasn't specifically
|
|
// requested a different browser, we can try opening
|
|
// Chrome with AppleScript. This lets us reuse an
|
|
// existing tab when possible instead of creating a new one.
|
|
const shouldTryOpenChromeWithAppleScript = process.platform === 'darwin' &&
|
|
(typeof browser !== 'string' || browser === OSX_CHROME);
|
|
|
|
if (shouldTryOpenChromeWithAppleScript) {
|
|
try {
|
|
// Try our best to reuse existing tab
|
|
// on OS X Google Chrome with AppleScript
|
|
execSync('ps cax | grep "Google Chrome"');
|
|
execSync('osascript openChrome.applescript ' + url, {
|
|
cwd: __dirname,
|
|
stdio: 'ignore',
|
|
});
|
|
return true;
|
|
} catch (err) {
|
|
// Ignore errors.
|
|
}
|
|
}
|
|
|
|
// Another special case: on OS X, check if BROWSER has been set to "open".
|
|
// In this case, instead of passing `open` to `opn` (which won't work),
|
|
// just ignore it (thus ensuring the intended behavior, i.e. opening the system browser):
|
|
// https://github.com/facebookincubator/create-react-app/pull/1690#issuecomment-283518768
|
|
if (process.platform === 'darwin' && browser === 'open') {
|
|
browser = undefined;
|
|
}
|
|
|
|
// Fallback to opn
|
|
// (It will always open new tab)
|
|
try {
|
|
var options = { app: browser };
|
|
opn(url, options).catch(() => {}); // Prevent `unhandledRejection` error.
|
|
return true;
|
|
} catch (err) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
module.exports = openBrowser;
|