lib/util.js

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/* jshint node: true */

"use strict";

module.exports = (function () {

    var os = require("os");

    // constants
    var ESCAPE    = String.fromCharCode(27);
    var RED_COLOR = ESCAPE + "[31m";
    var NO_COLOR  = ESCAPE + "[m";

    function medicLog(message) {
        console.log(RED_COLOR + "[MEDIC LOG " + new Date().toUTCString() + "]" + NO_COLOR + " " + message);
    }

    function contains(collection, item) {
        return collection.indexOf(item) !== (-1);
    }

    function isWindows () {
        // NOTE:
        //      - including "^" because otherwise "Darwin" matches
        //      - only "win" and not "windows" because "win32" should also match
        return /^win/.test(os.platform());
    }

    function fatal(message) {
        medicLog("FATAL: " + message);
        process.exit(1);
    }

    function secToMin (seconds) {
        return Math.ceil(seconds / 60);
    }

    return {

        // constants
        ANDROID:    "android",
        BLACKBERRY: "blackberry10",
        IOS:        "ios",
        WINDOWS:    "windows",

        DEFAULT_ENCODING: "utf-8",
        DEFAULT_LOG_TIME: 15,
        DEFAULT_LOG_TIME_ADDITIONAL: 2,

        // functions
        fatal:     fatal,
        isWindows: isWindows,
        medicLog:  medicLog,
        contains:  contains,
        secToMin:  secToMin
    };
}());