logger.js

"use strict";

var asciiTable = ["NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL", "BS", "HT", "LF", "VT", "FF", "CR", "SO", "SI", "DLE", "DC1", "DC2", "DC3", "DC4", "NAK", "SYN", "ETB", "CAN", "EM", "SUB", "ESC", "FS", "GS", "RS", "US"];

var /* boolean */ log = false; // can be enabled by options

module.exports = {
    disable: function (state) {
        log = !state;
    },

    println: function (/* optional String */ a, /* optional String */ b) {
        var s =
            (a === undefined) ? "" :
                (b === undefined) ? a : a + " " + b;

        if (log) {
            console.log(s);
            // process.stdout.write(s + '\n'); // node.js
        }

        return s;
    },

    printst: function (/* String */ c) {
        if (log) {
            console.log(c);
            // process.stdout.write(c); // node.js
        }

        return c;
    },

    cout: function (/* int */ c) {
        if (!log) return;
        if (c > 31) this.printst(c);
        else {
            this.printst("[" + asciiTable[c] + "]");
            // exports.printst("_");
        }
    }
};