mirror of
https://github.com/zhigang1992/create-react-app.git
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65 lines
1.8 KiB
JavaScript
65 lines
1.8 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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var execSync = require('child_process').execSync;
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var opn = require('opn');
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// https://github.com/sindresorhus/opn#app
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var OSX_CHROME = 'google chrome';
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function openBrowser(url) {
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// Attempt to honor this environment variable.
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// It is specific to the operating system.
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// See https://github.com/sindresorhus/opn#app for documentation.
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const browser = process.env.BROWSER;
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// Special case: BROWSER="none" will prevent opening completely.
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if (browser === 'none') {
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return false;
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}
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// If we're on OS X, the user hasn't specifically
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// requested a different browser, we can try opening
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// Chrome with AppleScript. This lets us reuse an
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// existing tab when possible instead of creating a new one.
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const shouldTryOpenChromeWithAppleScript = (
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process.platform === 'darwin' && (
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typeof browser !== 'string' ||
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browser === OSX_CHROME
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)
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);
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if (shouldTryOpenChromeWithAppleScript) {
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try {
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// Try our best to reuse existing tab
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// on OS X Google Chrome with AppleScript
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execSync('ps cax | grep "Google Chrome"');
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execSync(
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'osascript openChrome.applescript ' + url,
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{cwd: __dirname, stdio: 'ignore'}
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);
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return true;
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} catch (err) {
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// Ignore errors.
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}
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}
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// Fallback to opn
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// (It will always open new tab)
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try {
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var options = {app: browser};
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opn(url, options).catch(() => {}); // Prevent `unhandledRejection` error.
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return true;
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} catch (err) {
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return false;
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}
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}
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module.exports = openBrowser;
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