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