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var fs = require('fs'),
path = require('path'),
which = require('which');
function isJSFlags(flag) {
return flag.indexOf('--js-flags=') === 0;
}
function sanitizeJSFlags(flag) {
var test = /--js-flags=(['"])/.exec(flag);
if (!test) {
return flag;
}
var escapeChar = test[1];
var endExp = new RegExp(escapeChar + '$');
var startExp = new RegExp('--js-flags=' + escapeChar);
return flag.replace(startExp, '--js-flags=').replace(endExp, '');
}
var ChromeBrowser = function(baseBrowserDecorator, args) {
baseBrowserDecorator(this);
var flags = args.flags || [];
this._getOptions = function(url) {
// Chrome CLI options
// http://peter.sh/experiments/chromium-command-line-switches/
flags.forEach(function(flag, i) {
if (isJSFlags(flag)) {
flags[i] = sanitizeJSFlags(flag);
}
});
return [
'--user-data-dir=' + this._tempDir,
'--no-default-browser-check',
'--no-first-run',
'--disable-default-apps',
'--disable-popup-blocking',
'--disable-translate'
].concat(flags, [url]);
};
};
// Return location of chrome.exe file for a given Chrome directory (available: "Chrome", "Chrome SxS").
function getChromeExe(chromeDirName) {
// Only run these checks on win32
if (process.platform !== 'win32') {
return null;
}
var windowsChromeDirectory, i, prefix;
var suffix = '\\Google\\' + chromeDirName + '\\Application\\chrome.exe';
var prefixes = [process.env.LOCALAPPDATA, process.env.PROGRAMFILES, process.env['PROGRAMFILES(X86)']];
for (i = 0; i < prefixes.length; i++) {
prefix = prefixes[i];
try {
windowsChromeDirectory = path.join(prefix, suffix);
fs.accessSync(windowsChromeDirectory);
return windowsChromeDirectory;
} catch (e) {}
}
return windowsChromeDirectory;
}
function getBin(commands) {
// Don't run these checks on win32
if (process.platform !== 'linux') {
return null;
}
var bin, i;
for (i = 0; i < commands.length; i++) {
try {
if (which.sync(commands[i])) {
bin = commands[i];
break;
}
} catch (e) {}
}
return bin;
}
function getChromeDarwin(defaultPath) {
if (process.platform !== 'darwin') {
return null;
}
try {
var homePath = path.join(process.env.HOME, defaultPath);
fs.accessSync(homePath);
return homePath;
} catch (e) {
return defaultPath;
}
}
ChromeBrowser.prototype = {
name: 'Chrome',
DEFAULT_CMD: {
// Try chromium-browser before chromium to avoid conflict with the legacy
// chromium-bsu package previously known as 'chromium' in Debian and Ubuntu.
linux: getBin(['chromium-browser', 'chromium', 'google-chrome', 'google-chrome-stable']),
darwin: getChromeDarwin('/Applications/Google Chrome.app/Contents/MacOS/Google Chrome'),
win32: getChromeExe('Chrome')
},
ENV_CMD: 'CHROME_BIN'
};
ChromeBrowser.$inject = ['baseBrowserDecorator', 'args'];
function canaryGetOptions(url, args, parent) {
// disable crankshaft optimizations, as it causes lot of memory leaks (as of Chrome 23.0)
var flags = args.flags || [];
var augmentedFlags;
var customFlags = '--nocrankshaft --noopt';
flags.forEach(function(flag) {
if (isJSFlags(flag)) {
augmentedFlags = sanitizeJSFlags(flag) + ' ' + customFlags;
}
});
return parent.call(this, url).concat([augmentedFlags || '--js-flags=' + customFlags]);
}
var ChromeCanaryBrowser = function(baseBrowserDecorator, args) {
ChromeBrowser.apply(this, arguments);
var parentOptions = this._getOptions;
this._getOptions = function(url) {
return canaryGetOptions.call(this, url, args, parentOptions);
};
};
ChromeCanaryBrowser.prototype = {
name: 'ChromeCanary',
DEFAULT_CMD: {
linux: 'google-chrome-canary',
darwin: getChromeDarwin('/Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary'),
win32: getChromeExe('Chrome SxS')
},
ENV_CMD: 'CHROME_CANARY_BIN'
};
ChromeCanaryBrowser.$inject = ['baseBrowserDecorator', 'args'];
var DartiumBrowser = function() {
ChromeBrowser.apply(this, arguments);
var checkedFlag = '--checked';
var dartFlags = process.env.DART_FLAGS || '';
var flags = dartFlags.split(' ');
if (flags.indexOf(checkedFlag) === -1) {
flags.push(checkedFlag);
process.env.DART_FLAGS = flags.join(' ');
}
};
DartiumBrowser.prototype = {
name: 'Dartium',
DEFAULT_CMD: {},
ENV_CMD: 'DARTIUM_BIN'
};
DartiumBrowser.$inject = ['baseBrowserDecorator', 'args'];
// PUBLISH DI MODULE
module.exports = {
'launcher:Chrome': ['type', ChromeBrowser],
'launcher:ChromeCanary': ['type', ChromeCanaryBrowser],
'launcher:Dartium': ['type', DartiumBrowser]
};
module.exports.test = {
isJSFlags: isJSFlags,
sanitizeJSFlags: sanitizeJSFlags,
canaryGetOptions: canaryGetOptions
};
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