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/** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * */ /** * Usage note: * This module makes a best effort to export the same data we would internally. * At Facebook we use a server-generated module that does the parsing and * exports the data for the client to use. We can't rely on a server-side * implementation in open source so instead we make use of an open source * library to do the heavy lifting and then make some adjustments as necessary. * It's likely there will be some differences. Some we can smooth over. * Others are going to be harder. */ 'use strict'; var UAParser = require("ua-parser-js"); var UNKNOWN = 'Unknown'; var PLATFORM_MAP = { 'Mac OS': 'Mac OS X' }; /** * Convert from UAParser platform name to what we expect. */ function convertPlatformName(name) { return PLATFORM_MAP[name] || name; } /** * Get the version number in parts. This is very naive. We actually get major * version as a part of UAParser already, which is generally good enough, but * let's get the minor just in case. */ function getBrowserVersion(version) { if (!version) { return { major: '', minor: '' }; } var parts = version.split('.'); return { major: parts[0], minor: parts[1] }; } /** * Get the UA data fom UAParser and then convert it to the format we're * expecting for our APIS. */ var parser = new UAParser(); var results = parser.getResult(); // Do some conversion first. var browserVersionData = getBrowserVersion(results.browser.version); var uaData = { browserArchitecture: results.cpu.architecture || UNKNOWN, browserFullVersion: results.browser.version || UNKNOWN, browserMinorVersion: browserVersionData.minor || UNKNOWN, browserName: results.browser.name || UNKNOWN, browserVersion: results.browser.major || UNKNOWN, deviceName: results.device.model || UNKNOWN, engineName: results.engine.name || UNKNOWN, engineVersion: results.engine.version || UNKNOWN, platformArchitecture: results.cpu.architecture || UNKNOWN, platformName: convertPlatformName(results.os.name) || UNKNOWN, platformVersion: results.os.version || UNKNOWN, platformFullVersion: results.os.version || UNKNOWN }; module.exports = uaData;