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Edit File: colors.js

/*
colors.js

Marak Squires
Alexis Sellier (cloudhead)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

var isHeadless = false;

if (typeof module !== 'undefined') {
  isHeadless = true;
}

if (!isHeadless) {
  var exports = {};
  var module = {};
  var colors = exports;
  exports.mode = "browser";
} else {
  exports.mode = "console";
}

//
// Prototypes the string object to have additional method calls that add terminal colors
//
var addProperty = function (color, func) {
  exports[color] = function (str) {
    return func.apply(str);
  };
  String.prototype.__defineGetter__(color, func);
};

function stylize(str, style) {

var styles;

if (exports.mode === 'console') {
 styles = {
 //styles
 'bold' : ['\x1B[1m', '\x1B[22m'],
 'italic' : ['\x1B[3m', '\x1B[23m'],
 'underline' : ['\x1B[4m', '\x1B[24m'],
 'inverse' : ['\x1B[7m', '\x1B[27m'],
 'strikethrough' : ['\x1B[9m', '\x1B[29m'],
 //text colors
 //grayscale
 'white' : ['\x1B[37m', '\x1B[39m'],
 'grey' : ['\x1B[90m', '\x1B[39m'],
 'black' : ['\x1B[30m', '\x1B[39m'],
 //colors
 'blue' : ['\x1B[34m', '\x1B[39m'],
 'cyan' : ['\x1B[36m', '\x1B[39m'],
 'green' : ['\x1B[32m', '\x1B[39m'],
 'magenta' : ['\x1B[35m', '\x1B[39m'],
 'red' : ['\x1B[31m', '\x1B[39m'],
 'yellow' : ['\x1B[33m', '\x1B[39m'],
 //background colors
 //grayscale
 'whiteBG' : ['\x1B[47m', '\x1B[49m'],
 'greyBG' : ['\x1B[49;5;8m', '\x1B[49m'],
 'blackBG' : ['\x1B[40m', '\x1B[49m'],
 //colors
 'blueBG' : ['\x1B[44m', '\x1B[49m'],
 'cyanBG' : ['\x1B[46m', '\x1B[49m'],
 'greenBG' : ['\x1B[42m', '\x1B[49m'],
 'magentaBG' : ['\x1B[45m', '\x1B[49m'],
 'redBG' : ['\x1B[41m', '\x1B[49m'],
 'yellowBG' : ['\x1B[43m', '\x1B[49m']
 };
 } else if (exports.mode === 'browser') {
 styles = {
 //styles
 'bold' : ['', ''],
 'italic' : ['', ''],
 'underline' : ['', ''],
 'inverse' : ['', ''],
 'strikethrough' : ['<del>', '</del>'],
 //text colors
 //grayscale
 'white' : ['', ''],
 'grey' : ['', ''],
 'black' : ['', ''],
 //colors
 'blue' : ['', ''],
 'cyan' : ['', ''],
 'green' : ['', ''],
 'magenta' : ['', ''],
 'red' : ['', ''],
 'yellow' : ['', ''],
 //background colors
 //grayscale
 'whiteBG' : ['', ''],
 'greyBG' : ['', ''],
 'blackBG' : ['', ''],
 //colors
 'blueBG' : ['', ''],
 'cyanBG' : ['', ''],
 'greenBG' : ['', ''],
 'magentaBG' : ['', ''],
 'redBG' : ['', ''],
 'yellowBG' : ['', '']
 };
 } else if (exports.mode === 'none') {
 return str + '';
 } else {
 console.log('unsupported mode, try "browser", "console" or "none"');
 }
 return styles[style][0] + str + styles[style][1];
}

function applyTheme(theme) {

//
  // Remark: This is a list of methods that exist
  // on String that you should not overwrite.
  //
  var stringPrototypeBlacklist = [
    '__defineGetter__', '__defineSetter__', '__lookupGetter__', '__lookupSetter__', 'charAt', 'constructor',
    'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'valueOf', 'charCodeAt',
    'indexOf', 'lastIndexof', 'length', 'localeCompare', 'match', 'replace', 'search', 'slice', 'split', 'substring',
    'toLocaleLowerCase', 'toLocaleUpperCase', 'toLowerCase', 'toUpperCase', 'trim', 'trimLeft', 'trimRight'
  ];

Object.keys(theme).forEach(function (prop) {
 if (stringPrototypeBlacklist.indexOf(prop) !== -1) {
 console.log('warn: '.red + ('String.prototype' + prop).magenta + ' is probably something you don\'t want to override. Ignoring style name');
 }
 else {
 if (typeof(theme[prop]) === 'string') {
 addProperty(prop, function () {
 return exports[theme[prop]](this);
 });
 }
 else {
 addProperty(prop, function () {
 var ret = this;
 for (var t = 0; t < theme[prop].length; t++) {
 ret = exports[theme[prop][t]](ret);
 }
 return ret;
 });
 }
 }
 });
}

//
// Iterate through all default styles and colors
//
var x = ['bold', 'underline', 'strikethrough', 'italic', 'inverse', 'grey', 'black', 'yellow', 'red', 'green', 'blue', 'white', 'cyan', 'magenta', 'greyBG', 'blackBG', 'yellowBG', 'redBG', 'greenBG', 'blueBG', 'whiteBG', 'cyanBG', 'magentaBG'];
x.forEach(function (style) {

// __defineGetter__ at the least works in more browsers
  // http://robertnyman.com/javascript/javascript-getters-setters.html
  // Object.defineProperty only works in Chrome
  addProperty(style, function () {
    return stylize(this, style);
  });
});

exports.themes = {};

exports.addSequencer = function (name, map) {
  addProperty(name, sequencer(map));
};

exports.addSequencer('rainbow', rainbowMap);
exports.addSequencer('zebra', function (letter, i, exploded) {
  return i % 2 === 0 ? letter : letter.inverse;
});

exports.setTheme = function (theme) {
  if (typeof theme === 'string') {
    try {
      exports.themes[theme] = require(theme);
      applyTheme(exports.themes[theme]);
      return exports.themes[theme];
    } catch (err) {
      console.log(err);
      return err;
    }
  } else {
    applyTheme(theme);
  }
};

addProperty('stripColors', function () {
  return ("" + this).replace(/\x1B\[\d+m/g, '');
});

// please no
function zalgo(text, options) {
  var soul = {
    "up" : [
      '̍', '̎', '̄', '̅',
      '̿', '̑', '̆', '̐',
      '͒', '͗', '͑', '̇',
      '̈', '̊', '͂', '̓',
      '̈', '͊', '͋', '͌',
      '̃', '̂', '̌', '͐',
      '̀', '́', '̋', '̏',
      '̒', '̓', '̔', '̽',
      '̉', 'ͣ', 'ͤ', 'ͥ',
      'ͦ', 'ͧ', 'ͨ', 'ͩ',
      'ͪ', 'ͫ', 'ͬ', 'ͭ',
      'ͮ', 'ͯ', '̾', '͛',
      '͆', '̚'
    ],
    "down" : [
      '̖', '̗', '̘', '̙',
      '̜', '̝', '̞', '̟',
      '̠', '̤', '̥', '̦',
      '̩', '̪', '̫', '̬',
      '̭', '̮', '̯', '̰',
      '̱', '̲', '̳', '̹',
      '̺', '̻', '̼', 'ͅ',
      '͇', '͈', '͉', '͍',
      '͎', '͓', '͔', '͕',
      '͖', '͙', '͚', '̣'
    ],
    "mid" : [
      '̕', '̛', '̀', '́',
      '͘', '̡', '̢', '̧',
      '̨', '̴', '̵', '̶',
      '͜', '͝', '͞',
      '͟', '͠', '͢', '̸',
      '̷', '͡', ' ҉'
    ]
  },
  all = [].concat(soul.up, soul.down, soul.mid),
  zalgo = {};

function randomNumber(range) {
    var r = Math.floor(Math.random() * range);
    return r;
  }

function is_char(character) {
    var bool = false;
    all.filter(function (i) {
      bool = (i === character);
    });
    return bool;
  }

// don't summon zalgo
addProperty('zalgo', function () {
  return zalgo(this);
});

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