80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
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/**
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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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*/
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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;
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