Source/WebInspectorUI/UserInterface/Base/Platform.js

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

WI.Platform = {
    name: InspectorFrontendHost.platform(),
    isNightlyBuild: false,
    version: {
        base: 0,
        release: 0,
        name: "",
        build: "",
    }
};

(function () {
    let versionMatch = / AppleWebKit\/([^ ]+)/.exec(navigator.userAgent);
    if (versionMatch) {
        WI.Platform.version.build = versionMatch[1];

        // Check for a nightly build by looking for a plus in the version number and a small number of stylesheets (indicating combined resources).
        if (versionMatch[1].indexOf("+") !== -1 && document.styleSheets.length < 10)
            WI.Platform.isNightlyBuild = true;
    }

    let osVersionMatch = / Mac OS X (\d+)_(\d+)/.exec(navigator.appVersion);
    if (osVersionMatch && osVersionMatch[1] === "10") {
        WI.Platform.version.base = 10;
        WI.Platform.version.release = parseInt(osVersionMatch[2]);
        switch (osVersionMatch[2]) {
        case "14":
            WI.Platform.version.name = "mojave";
            break;
        case "13":
            WI.Platform.version.name = "high-sierra";
            break;
        case "12":
            WI.Platform.version.name = "sierra";
            break;
        default:
            WI.Platform.version.name = "unknown-mac";
            break;
        }
    }
})();