(function() {
  var defer, getBounds, updateClasses, _ref;

  _ref = this.Tether.Utils, getBounds = _ref.getBounds, updateClasses = _ref.updateClasses, defer = _ref.defer;

  this.Tether.modules.push({
    position: function(_arg) {
      var abutted, addClasses, allClasses, bottom, height, left, right, side, sides, targetPos, top, width, _i, _j, _k, _l, _len, _len1, _len2, _len3, _ref1, _ref2, _ref3, _ref4, _ref5,
        _this = this;
      top = _arg.top, left = _arg.left;
      _ref1 = this.cache('element-bounds', function() {
        return getBounds(_this.element);
      }), height = _ref1.height, width = _ref1.width;
      targetPos = this.getTargetBounds();
      bottom = top + height;
      right = left + width;
      abutted = [];
      if (top <= targetPos.bottom && bottom >= targetPos.top) {
        _ref2 = ['left', 'right'];
        for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
          side = _ref2[_i];
          if ((_ref3 = targetPos[side]) === left || _ref3 === right) {
            abutted.push(side);
          }
        }
      }
      if (left <= targetPos.right && right >= targetPos.left) {
        _ref4 = ['top', 'bottom'];
        for (_j = 0, _len1 = _ref4.length; _j < _len1; _j++) {
          side = _ref4[_j];
          if ((_ref5 = targetPos[side]) === top || _ref5 === bottom) {
            abutted.push(side);
          }
        }
      }
      allClasses = [];
      addClasses = [];
      sides = ['left', 'top', 'right', 'bottom'];
      allClasses.push(this.getClass('abutted'));
      for (_k = 0, _len2 = sides.length; _k < _len2; _k++) {
        side = sides[_k];
        allClasses.push("" + (this.getClass('abutted')) + "-" + side);
      }
      if (abutted.length) {
        addClasses.push(this.getClass('abutted'));
      }
      for (_l = 0, _len3 = abutted.length; _l < _len3; _l++) {
        side = abutted[_l];
        addClasses.push("" + (this.getClass('abutted')) + "-" + side);
      }
      defer(function() {
        updateClasses(_this.target, addClasses, allClasses);
        return updateClasses(_this.element, addClasses, allClasses);
      });
      return true;
    }
  });

}).call(this);