index.js

"use strict";

var chars = require('./chars')

const random = (str) =>
{
    var a = str.split(''),
        n = a.length;

    for(var i = n - 1; i > 0; i--) {
        var j = Math.floor(Math.random() * (i + 1));
        var tmp = a[i];
        a[i] = a[j];
        a[j] = tmp;
    }
    return a.join('');
}

const upper = (str) =>
{
    return str.toUpperCase();
}

const teen = (str) =>
{
    return str.split('').map(function(v) {
        var chance = Math.round(Math.random());
        return v = chance ? v.toUpperCase() : v.toLowerCase();
    }).join('');
}

const reverse = (str) =>
{
    var split = str.split('');    
    var rev = split.reverse();    
    var join = rev.join('');    
    return join;
}

const flip = (str) => 
{
    Object.keys(chars).forEach(function (key) {
    var value = chars[key]
        if(!chars[value]) {
            chars[value] = key
        }
    });
    var result = '', c = str.length, ch = '';
    for (; c >= 0; --c) {
        ch = str.charAt(c)
        result += chars[ch] || chars[ch.toLowerCase()] || ch
    }
    return result;
}

const toBinary = (str) =>
{
    function zeroPad(num) {
        return "00000000".slice(String(num).length) + num;
    }

    return str.replace(/[\s\S]/g, function(str) {
        str = zeroPad(str.charCodeAt().toString(2));
        return str + " "
    });
}

const fromBinary = (str) => 
{
    str = str.replace(/\s+/g, '');
    str = str.match(/.{1,8}/g).join(" ");

    var newBinary = str.split(" ");
    var binaryCode = [];

    for (var i = 0; i < newBinary.length; i++) {
        binaryCode.push(String.fromCharCode(parseInt(newBinary[i], 2)));
    }
    
    return binaryCode.join("");
}

const colortohex = (color) =>
{
    var colors = {"aliceblue":"#f0f8ff","antiquewhite":"#faebd7","aqua":"#00ffff","aquamarine":"#7fffd4","azure":"#f0ffff",
        "beige":"#f5f5dc","bisque":"#ffe4c4","black":"#000000","blanchedalmond":"#ffebcd","blue":"#0000ff","blueviolet":"#8a2be2",
        "brown":"#a52a2a","burlywood":"#deb887","cadetblue":"#5f9ea0","chartreuse":"#7fff00","chocolate":"#d2691e","coral":"#ff7f50",
        "cornflowerblue":"#6495ed","cornsilk":"#fff8dc","crimson":"#dc143c","cyan":"#00ffff","darkblue":"#00008b","darkcyan":"#008b8b",
        "darkgoldenrod":"#b8860b","darkgray":"#a9a9a9","darkgreen":"#006400","darkkhaki":"#bdb76b","darkmagenta":"#8b008b","darkolivegreen":"#556b2f",
        "darkorange":"#ff8c00","darkorchid":"#9932cc","darkred":"#8b0000","darksalmon":"#e9967a","darkseagreen":"#8fbc8f",
        "darkslateblue":"#483d8b","darkslategray":"#2f4f4f","darkturquoise":"#00ced1","darkviolet":"#9400d3","deeppink":"#ff1493",
        "deepskyblue":"#00bfff","dimgray":"#696969","dodgerblue":"#1e90ff","firebrick":"#b22222","floralwhite":"#fffaf0","forestgreen":"#228b22",
        "fuchsia":"#ff00ff","gainsboro":"#dcdcdc","ghostwhite":"#f8f8ff","gold":"#ffd700","goldenrod":"#daa520","gray":"#808080","green":"#008000",
        "greenyellow":"#adff2f","honeydew":"#f0fff0","hotpink":"#ff69b4","indianred ":"#cd5c5c","indigo":"#4b0082","ivory":"#fffff0","khaki":"#f0e68c",
        "lavender":"#e6e6fa","lavenderblush":"#fff0f5","lawngreen":"#7cfc00","lemonchiffon":"#fffacd","lightblue":"#add8e6","lightcoral":"#f08080",
        "lightcyan":"#e0ffff","lightgoldenrodyellow":"#fafad2","lightgrey":"#d3d3d3","lightgreen":"#90ee90","lightpink":"#ffb6c1","lightsalmon":"#ffa07a",
        "lightseagreen":"#20b2aa","lightskyblue":"#87cefa","lightslategray":"#778899","lightsteelblue":"#b0c4de","lightyellow":"#ffffe0",
        "lime":"#00ff00","limegreen":"#32cd32","linen":"#faf0e6","magenta":"#ff00ff","maroon":"#800000","mediumaquamarine":"#66cdaa",
        "mediumblue":"#0000cd","mediumorchid":"#ba55d3","mediumpurple":"#9370d8","mediumseagreen":"#3cb371","mediumslateblue":"#7b68ee",
        "mediumspringgreen":"#00fa9a","mediumturquoise":"#48d1cc","mediumvioletred":"#c71585","midnightblue":"#191970","mintcream":"#f5fffa",
        "mistyrose":"#ffe4e1","moccasin":"#ffe4b5","navajowhite":"#ffdead","navy":"#000080","oldlace":"#fdf5e6","olive":"#808000",
        "olivedrab":"#6b8e23","orange":"#ffa500","orangered":"#ff4500","orchid":"#da70d6","palegoldenrod":"#eee8aa","palegreen":"#98fb98",
        "paleturquoise":"#afeeee","palevioletred":"#d87093","papayawhip":"#ffefd5","peachpuff":"#ffdab9","peru":"#cd853f","pink":"#ffc0cb",
        "plum":"#dda0dd","powderblue":"#b0e0e6","purple":"#800080","rebeccapurple":"#663399","red":"#ff0000","rosybrown":"#bc8f8f",
        "royalblue":"#4169e1","saddlebrown":"#8b4513","salmon":"#fa8072","sandybrown":"#f4a460","seagreen":"#2e8b57","seashell":"#fff5ee",
        "sienna":"#a0522d","silver":"#c0c0c0","skyblue":"#87ceeb","slateblue":"#6a5acd","slategray":"#708090","snow":"#fffafa","springgreen":"#00ff7f",
        "steelblue":"#4682b4","tan":"#d2b48c","teal":"#008080","thistle":"#d8bfd8","tomato":"#ff6347","turquoise":"#40e0d0","violet":"#ee82ee",
        "wheat":"#f5deb3","white":"#ffffff","whitesmoke":"#f5f5f5","yellow":"#ffff00","yellowgreen":"#9acd32"
    };

    if (color.length > 2 && typeof colors[color] != 'undefined') {
        return colors[color];
    }
    
    return color;
}

/**
 * Publicly accessible methods.
 * @type object
 */
exports.flip = flip;
exports.teen = teen;
exports.upper = upper;
exports.random = random;
exports.reverse = reverse;
exports.toBinary = toBinary;
exports.fromBinary = fromBinary;
exports.colortohex = colortohex;