Files
create-react-app/packages/react-dev-utils/openBrowser.js

65 lines
1.8 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.
*/
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.
const 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.
}
}
// 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;