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20 KiB
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1 line
20 KiB
JSON
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{"ast":null,"code":"/**\n * Copyright 2004-present Facebook. All Rights Reserved.\n *\n * @providesModule UserAgent_DEPRECATED\n */\n\n/**\n * Provides entirely client-side User Agent and OS detection. You should prefer\n * the non-deprecated UserAgent module when possible, which exposes our\n * authoritative server-side PHP-based detection to the client.\n *\n * Usage is straightforward:\n *\n * if (UserAgent_DEPRECATED.ie()) {\n * // IE\n * }\n *\n * You can also do version checks:\n *\n * if (UserAgent_DEPRECATED.ie() >= 7) {\n * // IE7 or better\n * }\n *\n * The browser functions will return NaN if the browser does not match, so\n * you can also do version compares the other way:\n *\n * if (UserAgent_DEPRECATED.ie() < 7) {\n * // IE6 or worse\n * }\n *\n * Note that the version is a float and may include a minor version number,\n * so you should always use range operators to perform comparisons, not\n * strict equality.\n *\n * **Note:** You should **strongly** prefer capability detection to browser\n * version detection where it's reasonable:\n *\n * http://www.quirksmode.org/js/support.html\n *\n * Further, we have a large number of mature wrapper functions and classes\n * which abstract away many browser irregularities. Check the documentation,\n * grep for things, or ask on javascript@lists.facebook.com before writing yet\n * another copy of \"event || window.event\".\n *\n */\n\nvar _populated = false;\n\n// Browsers\nvar _ie, _firefox, _opera, _webkit, _chrome;\n\n// Actual IE browser for compatibility mode\nvar _ie_real_version;\n\n// Platforms\nvar _osx, _windows, _linux, _android;\n\n// Architectures\nvar _win64;\n\n// Devices\nvar _iphone, _ipad, _native;\nvar _mobile;\nfunction _populate() {\n if (_populated) {\n return;\n }\n _populated = true;\n\n // To work around buggy JS libraries that can't handle multi-digit\n // version numbers, Opera 10's user agent string claims it's Opera\n // 9, then later includes a Version/X.Y field:\n //\n // Opera/9.80 (foo) Presto/2.2.15 Version/10.10\n var uas = navigator.userAgent;\n var agent = /(?:MSIE.(\\d+\\.\\d+))|(?:(?:Firefox|GranParadiso|Iceweasel).(\\d+\\.\\d+))|(?:Opera(?:.+Version.|.)(\\d+\\.\\d+))|(?:AppleWebKit.(\\d+(?:\\.\\d+)?))|(?:Trident\\/\\d+\\.\\d+.*rv:(\\d+\\.\\d+))/.exec(uas);\n var os = /(Mac OS X)|(Windows)|(Linux)/.exec(uas);\n _iphone = /\\b(iPhone|iP[ao]d)/.exec(uas);\n _ipad = /\\b(iP[ao]d)/.exec(uas);\n _android = /Android/i.exec(uas);\n _native = /FBAN\\/\\w+;/i.exec(uas);\n _mobile = /Mobile/i.exec(uas);\n\n // Note that the IE team blog would have you believe you should be checking\n // for 'Win64; x64'. But MSDN then reveals that you can actually be coming\n // from either x64 or ia64; so ultimately, you should just check for Win64\n // as in indicator of whether you're in 64-bit IE. 32-bit IE on 64-bit\n // Windows will send 'WOW64' instead.\n _win64 = !!/Win64/.exec(uas);\n if (agent) {\n _ie = agent[1] ? parseFloat(agent[1]) : agent[5] ? parseFloat(agent[5]) : NaN;\n // IE compatibility mode\n if (_ie && document && document.documentMode) {\n _ie = document.documentMode;\n }\n // grab the \"true\" ie version from the trident token if available\n var trident = /(?:Trident\\/(\\d+.\\d+))/.exec(uas);\n _ie_real_version = trident ? parseFloat(trident[1]) + 4 : _ie;\n _firefox = agent[2] ? parseFloat(agent[2]) : NaN;\n _opera = agent[3] ? parseFloat(agent[3]) : NaN;\n _webkit = agent[4] ? parseFloat(agent[4]) : NaN;\n if (_webkit) {\n // We do not add the regexp to the above test, because it will always\n // match 'safari' only since 'AppleWebKit' appears before 'Chrome' in\n // the userAgent string.\n agent = /(?:Chrome\\/(\\d+\\.\\d+))/.exec(uas);\n _chrome = agent && agent[1] ? parseFloat(agent[1]) : NaN;\n } else {\n _chrome = NaN;\n }\n } else {\n _ie = _firefox = _opera = _chrome = _webkit = NaN;\n }\n if (os) {\n if (os[1]) {\n // Detect OS X version. If no ver
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