diceroll/diceroll.js

// Generated by CoffeeScript 1.6.3
(function() {
  var DiceRoll, exports, extend;

  DiceRoll = (function() {
    DiceRoll.prototype.defaults = {
      dice: null,
      sides: null,
      sum: true,
      onesSubtract: false,
      target: null
    };

    DiceRoll.prototype.opts = {};

    DiceRoll.prototype.rolls = [];

    DiceRoll.prototype.conclusion = 0;

    function DiceRoll(opts) {
      var i, result, _i, _ref;
      this.rolls = [];
      ({
        conclusion: 0
      });
      this.opts = extend(extend({}, this.defaults), opts);
      if (this.opts.dice === null || this.opts.sides === null) {
        throw new Error("You have to provide dice and sides parameters");
      }
      if (!this.opts.sum && this.opts.target === null) {
        throw new Error("If you set sum: false you must set target: <number> as well.");
      }
      for (i = _i = 1, _ref = this.opts.dice; _i <= _ref; i = _i += 1) {
        result = Math.ceil(Math.random() * this.opts.sides);
        this.rolls.push(result);
        if (!this.opts.sum && result >= this.opts.target) {
          this.conclusion++;
        } else if (this.opts.sum) {
          this.conclusion += result;
        }
      }
    }

    DiceRoll.prototype.result = function() {
      return {
        'rolls': this.rolls,
        'conclusion': this.conclusion
      };
    };

    return DiceRoll;

  })();

  extend = function(object, properties) {
    var key, val;
    for (key in properties) {
      val = properties[key];
      object[key] = val;
    }
    return object;
  };

  exports = module.exports = DiceRoll;

}).call(this);