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index.js
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index.js
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var fs = require('fs');
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]);
};
};
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 + '$');
var startExp = new RegExp('--js-flags=' + escapeChar);
return flag.replace(startExp, '--js-flags=').replace(endExp, '');
}
// Return location of chrome.exe file for a given Chrome directory (available: "Chrome", "Chrome SxS").
function getChromeExe(chromeDirName) {
if (process.platform !== 'win32') {
return null;
}
var windowsChromeDirectory, i, prefix;
var suffix = '\\Google\\'+ chromeDirName + '\\Application\\chrome.exe';
var prefixes = [process.env.LOCALAPPDATA, process.env.PROGRAMFILES, process.env['PROGRAMFILES(X86)']];
for (i = 0; i < prefixes.length; i++) {
prefix = prefixes[i];
if (fs.existsSync(prefix + suffix)) {
windowsChromeDirectory = prefix + suffix;
break;
}
}
return windowsChromeDirectory;
}
ChromeBrowser.prototype = {
name: 'Chrome',
DEFAULT_CMD: {
linux: 'google-chrome',
darwin: '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome',
win32: getChromeExe('Chrome')
},
ENV_CMD: 'CHROME_BIN'
};
ChromeBrowser.$inject = ['baseBrowserDecorator', 'args'];
var ChromeCanaryBrowser = function(baseBrowserDecorator, args) {
ChromeBrowser.call(this, baseBrowserDecorator, args);
var parentOptions = this._getOptions;
this._getOptions = function(url) {
return canaryGetOptions.call(this, url, args, parentOptions);
};
};
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, i) {
if (isJSFlags(flag)) {
augmentedFlags = sanitizeJSFlags(flag) + ' ' + customFlags;
}
});
return parent.call(this, url).concat([augmentedFlags || '--js-flags=' + customFlags]);
}
ChromeCanaryBrowser.prototype = {
name: 'ChromeCanary',
DEFAULT_CMD: {
linux: 'google-chrome-canary',
darwin: '/Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary',
win32: getChromeExe('Chrome SxS')
},
ENV_CMD: 'CHROME_CANARY_BIN'
};
ChromeCanaryBrowser.$inject = ['baseBrowserDecorator', 'args'];
var DartiumBrowser = function(baseBrowserDecorator, args) {
ChromeBrowser.call(this, baseBrowserDecorator, args);
var checkedFlag = '--checked';
var dartFlags = process.env['DART_FLAGS'] || '';
var flags = dartFlags.split(' ')
if(flags.indexOf(checkedFlag) == -1) {
flags.push(checkedFlag);
process.env['DART_FLAGS'] = flags.join(' ');
}
};
DartiumBrowser.prototype = {
name: 'Dartium',
DEFAULT_CMD: {},
ENV_CMD: 'DARTIUM_BIN'
};
DartiumBrowser.$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
}