Function _formatMessage

console++.js:170–186

(msg, levelMsg)

 * @retuns The formatted message
 */
var _formatMessage = function(msg, levelMsg) {
    var printLevelMsg = console.isLevelMsgPrinted(),
        printTimestamp = console.isTimestamped(),
        formatted;

    if (printLevelMsg && printTimestamp) {
        formatted = "[" + levelMsg + " - " + new Date().toJSON() + "] " + msg;
    } else if (printLevelMsg) {
        formatted = "[" + levelMsg + "] " + msg;
    } else if (printTimestamp) {
        formatted = "[" + new Date().toJSON() + "] " + msg;
    } else {
        formatted = msg;
    }

    return formatted;
};

/**
 * Invokes the "console.onOutput()" callback, if it was set by user.