From ca88c377f918a9178c56e206b7bb13baefd30c91 Mon Sep 17 00:00:00 2001
From: schneefux <schneefux+commit@schneefux.xyz>
Date: Sat, 25 Mar 2017 13:13:28 +0100
Subject: accidentally committed minionlivesmatter changes to meta

---
 templates/assets/tether/dist/js/tether.js | 1811 +++++++++++++++++++++++++++++
 1 file changed, 1811 insertions(+)
 create mode 100644 templates/assets/tether/dist/js/tether.js

(limited to 'templates/assets/tether/dist/js/tether.js')

diff --git a/templates/assets/tether/dist/js/tether.js b/templates/assets/tether/dist/js/tether.js
new file mode 100644
index 0000000..ea141f0
--- /dev/null
+++ b/templates/assets/tether/dist/js/tether.js
@@ -0,0 +1,1811 @@
+/*! tether 1.4.0 */
+
+(function(root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    define(factory);
+  } else if (typeof exports === 'object') {
+    module.exports = factory(require, exports, module);
+  } else {
+    root.Tether = factory();
+  }
+}(this, function(require, exports, module) {
+
+'use strict';
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+var TetherBase = undefined;
+if (typeof TetherBase === 'undefined') {
+  TetherBase = { modules: [] };
+}
+
+var zeroElement = null;
+
+// Same as native getBoundingClientRect, except it takes into account parent <frame> offsets
+// if the element lies within a nested document (<frame> or <iframe>-like).
+function getActualBoundingClientRect(node) {
+  var boundingRect = node.getBoundingClientRect();
+
+  // The original object returned by getBoundingClientRect is immutable, so we clone it
+  // We can't use extend because the properties are not considered part of the object by hasOwnProperty in IE9
+  var rect = {};
+  for (var k in boundingRect) {
+    rect[k] = boundingRect[k];
+  }
+
+  if (node.ownerDocument !== document) {
+    var _frameElement = node.ownerDocument.defaultView.frameElement;
+    if (_frameElement) {
+      var frameRect = getActualBoundingClientRect(_frameElement);
+      rect.top += frameRect.top;
+      rect.bottom += frameRect.top;
+      rect.left += frameRect.left;
+      rect.right += frameRect.left;
+    }
+  }
+
+  return rect;
+}
+
+function getScrollParents(el) {
+  // In firefox if the el is inside an iframe with display: none; window.getComputedStyle() will return null;
+  // https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+  var computedStyle = getComputedStyle(el) || {};
+  var position = computedStyle.position;
+  var parents = [];
+
+  if (position === 'fixed') {
+    return [el];
+  }
+
+  var parent = el;
+  while ((parent = parent.parentNode) && parent && parent.nodeType === 1) {
+    var style = undefined;
+    try {
+      style = getComputedStyle(parent);
+    } catch (err) {}
+
+    if (typeof style === 'undefined' || style === null) {
+      parents.push(parent);
+      return parents;
+    }
+
+    var _style = style;
+    var overflow = _style.overflow;
+    var overflowX = _style.overflowX;
+    var overflowY = _style.overflowY;
+
+    if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {
+      if (position !== 'absolute' || ['relative', 'absolute', 'fixed'].indexOf(style.position) >= 0) {
+        parents.push(parent);
+      }
+    }
+  }
+
+  parents.push(el.ownerDocument.body);
+
+  // If the node is within a frame, account for the parent window scroll
+  if (el.ownerDocument !== document) {
+    parents.push(el.ownerDocument.defaultView);
+  }
+
+  return parents;
+}
+
+var uniqueId = (function () {
+  var id = 0;
+  return function () {
+    return ++id;
+  };
+})();
+
+var zeroPosCache = {};
+var getOrigin = function getOrigin() {
+  // getBoundingClientRect is unfortunately too accurate.  It introduces a pixel or two of
+  // jitter as the user scrolls that messes with our ability to detect if two positions
+  // are equivilant or not.  We place an element at the top left of the page that will
+  // get the same jitter, so we can cancel the two out.
+  var node = zeroElement;
+  if (!node || !document.body.contains(node)) {
+    node = document.createElement('div');
+    node.setAttribute('data-tether-id', uniqueId());
+    extend(node.style, {
+      top: 0,
+      left: 0,
+      position: 'absolute'
+    });
+
+    document.body.appendChild(node);
+
+    zeroElement = node;
+  }
+
+  var id = node.getAttribute('data-tether-id');
+  if (typeof zeroPosCache[id] === 'undefined') {
+    zeroPosCache[id] = getActualBoundingClientRect(node);
+
+    // Clear the cache when this position call is done
+    defer(function () {
+      delete zeroPosCache[id];
+    });
+  }
+
+  return zeroPosCache[id];
+};
+
+function removeUtilElements() {
+  if (zeroElement) {
+    document.body.removeChild(zeroElement);
+  }
+  zeroElement = null;
+};
+
+function getBounds(el) {
+  var doc = undefined;
+  if (el === document) {
+    doc = document;
+    el = document.documentElement;
+  } else {
+    doc = el.ownerDocument;
+  }
+
+  var docEl = doc.documentElement;
+
+  var box = getActualBoundingClientRect(el);
+
+  var origin = getOrigin();
+
+  box.top -= origin.top;
+  box.left -= origin.left;
+
+  if (typeof box.width === 'undefined') {
+    box.width = document.body.scrollWidth - box.left - box.right;
+  }
+  if (typeof box.height === 'undefined') {
+    box.height = document.body.scrollHeight - box.top - box.bottom;
+  }
+
+  box.top = box.top - docEl.clientTop;
+  box.left = box.left - docEl.clientLeft;
+  box.right = doc.body.clientWidth - box.width - box.left;
+  box.bottom = doc.body.clientHeight - box.height - box.top;
+
+  return box;
+}
+
+function getOffsetParent(el) {
+  return el.offsetParent || document.documentElement;
+}
+
+var _scrollBarSize = null;
+function getScrollBarSize() {
+  if (_scrollBarSize) {
+    return _scrollBarSize;
+  }
+  var inner = document.createElement('div');
+  inner.style.width = '100%';
+  inner.style.height = '200px';
+
+  var outer = document.createElement('div');
+  extend(outer.style, {
+    position: 'absolute',
+    top: 0,
+    left: 0,
+    pointerEvents: 'none',
+    visibility: 'hidden',
+    width: '200px',
+    height: '150px',
+    overflow: 'hidden'
+  });
+
+  outer.appendChild(inner);
+
+  document.body.appendChild(outer);
+
+  var widthContained = inner.offsetWidth;
+  outer.style.overflow = 'scroll';
+  var widthScroll = inner.offsetWidth;
+
+  if (widthContained === widthScroll) {
+    widthScroll = outer.clientWidth;
+  }
+
+  document.body.removeChild(outer);
+
+  var width = widthContained - widthScroll;
+
+  _scrollBarSize = { width: width, height: width };
+  return _scrollBarSize;
+}
+
+function extend() {
+  var out = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
+
+  var args = [];
+
+  Array.prototype.push.apply(args, arguments);
+
+  args.slice(1).forEach(function (obj) {
+    if (obj) {
+      for (var key in obj) {
+        if (({}).hasOwnProperty.call(obj, key)) {
+          out[key] = obj[key];
+        }
+      }
+    }
+  });
+
+  return out;
+}
+
+function removeClass(el, name) {
+  if (typeof el.classList !== 'undefined') {
+    name.split(' ').forEach(function (cls) {
+      if (cls.trim()) {
+        el.classList.remove(cls);
+      }
+    });
+  } else {
+    var regex = new RegExp('(^| )' + name.split(' ').join('|') + '( |$)', 'gi');
+    var className = getClassName(el).replace(regex, ' ');
+    setClassName(el, className);
+  }
+}
+
+function addClass(el, name) {
+  if (typeof el.classList !== 'undefined') {
+    name.split(' ').forEach(function (cls) {
+      if (cls.trim()) {
+        el.classList.add(cls);
+      }
+    });
+  } else {
+    removeClass(el, name);
+    var cls = getClassName(el) + (' ' + name);
+    setClassName(el, cls);
+  }
+}
+
+function hasClass(el, name) {
+  if (typeof el.classList !== 'undefined') {
+    return el.classList.contains(name);
+  }
+  var className = getClassName(el);
+  return new RegExp('(^| )' + name + '( |$)', 'gi').test(className);
+}
+
+function getClassName(el) {
+  // Can't use just SVGAnimatedString here since nodes within a Frame in IE have
+  // completely separately SVGAnimatedString base classes
+  if (el.className instanceof el.ownerDocument.defaultView.SVGAnimatedString) {
+    return el.className.baseVal;
+  }
+  return el.className;
+}
+
+function setClassName(el, className) {
+  el.setAttribute('class', className);
+}
+
+function updateClasses(el, add, all) {
+  // Of the set of 'all' classes, we need the 'add' classes, and only the
+  // 'add' classes to be set.
+  all.forEach(function (cls) {
+    if (add.indexOf(cls) === -1 && hasClass(el, cls)) {
+      removeClass(el, cls);
+    }
+  });
+
+  add.forEach(function (cls) {
+    if (!hasClass(el, cls)) {
+      addClass(el, cls);
+    }
+  });
+}
+
+var deferred = [];
+
+var defer = function defer(fn) {
+  deferred.push(fn);
+};
+
+var flush = function flush() {
+  var fn = undefined;
+  while (fn = deferred.pop()) {
+    fn();
+  }
+};
+
+var Evented = (function () {
+  function Evented() {
+    _classCallCheck(this, Evented);
+  }
+
+  _createClass(Evented, [{
+    key: 'on',
+    value: function on(event, handler, ctx) {
+      var once = arguments.length <= 3 || arguments[3] === undefined ? false : arguments[3];
+
+      if (typeof this.bindings === 'undefined') {
+        this.bindings = {};
+      }
+      if (typeof this.bindings[event] === 'undefined') {
+        this.bindings[event] = [];
+      }
+      this.bindings[event].push({ handler: handler, ctx: ctx, once: once });
+    }
+  }, {
+    key: 'once',
+    value: function once(event, handler, ctx) {
+      this.on(event, handler, ctx, true);
+    }
+  }, {
+    key: 'off',
+    value: function off(event, handler) {
+      if (typeof this.bindings === 'undefined' || typeof this.bindings[event] === 'undefined') {
+        return;
+      }
+
+      if (typeof handler === 'undefined') {
+        delete this.bindings[event];
+      } else {
+        var i = 0;
+        while (i < this.bindings[event].length) {
+          if (this.bindings[event][i].handler === handler) {
+            this.bindings[event].splice(i, 1);
+          } else {
+            ++i;
+          }
+        }
+      }
+    }
+  }, {
+    key: 'trigger',
+    value: function trigger(event) {
+      if (typeof this.bindings !== 'undefined' && this.bindings[event]) {
+        var i = 0;
+
+        for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+          args[_key - 1] = arguments[_key];
+        }
+
+        while (i < this.bindings[event].length) {
+          var _bindings$event$i = this.bindings[event][i];
+          var handler = _bindings$event$i.handler;
+          var ctx = _bindings$event$i.ctx;
+          var once = _bindings$event$i.once;
+
+          var context = ctx;
+          if (typeof context === 'undefined') {
+            context = this;
+          }
+
+          handler.apply(context, args);
+
+          if (once) {
+            this.bindings[event].splice(i, 1);
+          } else {
+            ++i;
+          }
+        }
+      }
+    }
+  }]);
+
+  return Evented;
+})();
+
+TetherBase.Utils = {
+  getActualBoundingClientRect: getActualBoundingClientRect,
+  getScrollParents: getScrollParents,
+  getBounds: getBounds,
+  getOffsetParent: getOffsetParent,
+  extend: extend,
+  addClass: addClass,
+  removeClass: removeClass,
+  hasClass: hasClass,
+  updateClasses: updateClasses,
+  defer: defer,
+  flush: flush,
+  uniqueId: uniqueId,
+  Evented: Evented,
+  getScrollBarSize: getScrollBarSize,
+  removeUtilElements: removeUtilElements
+};
+/* globals TetherBase, performance */
+
+'use strict';
+
+var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+var _get = function get(_x6, _x7, _x8) { var _again = true; _function: while (_again) { var object = _x6, property = _x7, receiver = _x8; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x6 = parent; _x7 = property; _x8 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+if (typeof TetherBase === 'undefined') {
+  throw new Error('You must include the utils.js file before tether.js');
+}
+
+var _TetherBase$Utils = TetherBase.Utils;
+var getScrollParents = _TetherBase$Utils.getScrollParents;
+var getBounds = _TetherBase$Utils.getBounds;
+var getOffsetParent = _TetherBase$Utils.getOffsetParent;
+var extend = _TetherBase$Utils.extend;
+var addClass = _TetherBase$Utils.addClass;
+var removeClass = _TetherBase$Utils.removeClass;
+var updateClasses = _TetherBase$Utils.updateClasses;
+var defer = _TetherBase$Utils.defer;
+var flush = _TetherBase$Utils.flush;
+var getScrollBarSize = _TetherBase$Utils.getScrollBarSize;
+var removeUtilElements = _TetherBase$Utils.removeUtilElements;
+
+function within(a, b) {
+  var diff = arguments.length <= 2 || arguments[2] === undefined ? 1 : arguments[2];
+
+  return a + diff >= b && b >= a - diff;
+}
+
+var transformKey = (function () {
+  if (typeof document === 'undefined') {
+    return '';
+  }
+  var el = document.createElement('div');
+
+  var transforms = ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform'];
+  for (var i = 0; i < transforms.length; ++i) {
+    var key = transforms[i];
+    if (el.style[key] !== undefined) {
+      return key;
+    }
+  }
+})();
+
+var tethers = [];
+
+var position = function position() {
+  tethers.forEach(function (tether) {
+    tether.position(false);
+  });
+  flush();
+};
+
+function now() {
+  if (typeof performance !== 'undefined' && typeof performance.now !== 'undefined') {
+    return performance.now();
+  }
+  return +new Date();
+}
+
+(function () {
+  var lastCall = null;
+  var lastDuration = null;
+  var pendingTimeout = null;
+
+  var tick = function tick() {
+    if (typeof lastDuration !== 'undefined' && lastDuration > 16) {
+      // We voluntarily throttle ourselves if we can't manage 60fps
+      lastDuration = Math.min(lastDuration - 16, 250);
+
+      // Just in case this is the last event, remember to position just once more
+      pendingTimeout = setTimeout(tick, 250);
+      return;
+    }
+
+    if (typeof lastCall !== 'undefined' && now() - lastCall < 10) {
+      // Some browsers call events a little too frequently, refuse to run more than is reasonable
+      return;
+    }
+
+    if (pendingTimeout != null) {
+      clearTimeout(pendingTimeout);
+      pendingTimeout = null;
+    }
+
+    lastCall = now();
+    position();
+    lastDuration = now() - lastCall;
+  };
+
+  if (typeof window !== 'undefined' && typeof window.addEventListener !== 'undefined') {
+    ['resize', 'scroll', 'touchmove'].forEach(function (event) {
+      window.addEventListener(event, tick);
+    });
+  }
+})();
+
+var MIRROR_LR = {
+  center: 'center',
+  left: 'right',
+  right: 'left'
+};
+
+var MIRROR_TB = {
+  middle: 'middle',
+  top: 'bottom',
+  bottom: 'top'
+};
+
+var OFFSET_MAP = {
+  top: 0,
+  left: 0,
+  middle: '50%',
+  center: '50%',
+  bottom: '100%',
+  right: '100%'
+};
+
+var autoToFixedAttachment = function autoToFixedAttachment(attachment, relativeToAttachment) {
+  var left = attachment.left;
+  var top = attachment.top;
+
+  if (left === 'auto') {
+    left = MIRROR_LR[relativeToAttachment.left];
+  }
+
+  if (top === 'auto') {
+    top = MIRROR_TB[relativeToAttachment.top];
+  }
+
+  return { left: left, top: top };
+};
+
+var attachmentToOffset = function attachmentToOffset(attachment) {
+  var left = attachment.left;
+  var top = attachment.top;
+
+  if (typeof OFFSET_MAP[attachment.left] !== 'undefined') {
+    left = OFFSET_MAP[attachment.left];
+  }
+
+  if (typeof OFFSET_MAP[attachment.top] !== 'undefined') {
+    top = OFFSET_MAP[attachment.top];
+  }
+
+  return { left: left, top: top };
+};
+
+function addOffset() {
+  var out = { top: 0, left: 0 };
+
+  for (var _len = arguments.length, offsets = Array(_len), _key = 0; _key < _len; _key++) {
+    offsets[_key] = arguments[_key];
+  }
+
+  offsets.forEach(function (_ref) {
+    var top = _ref.top;
+    var left = _ref.left;
+
+    if (typeof top === 'string') {
+      top = parseFloat(top, 10);
+    }
+    if (typeof left === 'string') {
+      left = parseFloat(left, 10);
+    }
+
+    out.top += top;
+    out.left += left;
+  });
+
+  return out;
+}
+
+function offsetToPx(offset, size) {
+  if (typeof offset.left === 'string' && offset.left.indexOf('%') !== -1) {
+    offset.left = parseFloat(offset.left, 10) / 100 * size.width;
+  }
+  if (typeof offset.top === 'string' && offset.top.indexOf('%') !== -1) {
+    offset.top = parseFloat(offset.top, 10) / 100 * size.height;
+  }
+
+  return offset;
+}
+
+var parseOffset = function parseOffset(value) {
+  var _value$split = value.split(' ');
+
+  var _value$split2 = _slicedToArray(_value$split, 2);
+
+  var top = _value$split2[0];
+  var left = _value$split2[1];
+
+  return { top: top, left: left };
+};
+var parseAttachment = parseOffset;
+
+var TetherClass = (function (_Evented) {
+  _inherits(TetherClass, _Evented);
+
+  function TetherClass(options) {
+    var _this = this;
+
+    _classCallCheck(this, TetherClass);
+
+    _get(Object.getPrototypeOf(TetherClass.prototype), 'constructor', this).call(this);
+    this.position = this.position.bind(this);
+
+    tethers.push(this);
+
+    this.history = [];
+
+    this.setOptions(options, false);
+
+    TetherBase.modules.forEach(function (module) {
+      if (typeof module.initialize !== 'undefined') {
+        module.initialize.call(_this);
+      }
+    });
+
+    this.position();
+  }
+
+  _createClass(TetherClass, [{
+    key: 'getClass',
+    value: function getClass() {
+      var key = arguments.length <= 0 || arguments[0] === undefined ? '' : arguments[0];
+      var classes = this.options.classes;
+
+      if (typeof classes !== 'undefined' && classes[key]) {
+        return this.options.classes[key];
+      } else if (this.options.classPrefix) {
+        return this.options.classPrefix + '-' + key;
+      } else {
+        return key;
+      }
+    }
+  }, {
+    key: 'setOptions',
+    value: function setOptions(options) {
+      var _this2 = this;
+
+      var pos = arguments.length <= 1 || arguments[1] === undefined ? true : arguments[1];
+
+      var defaults = {
+        offset: '0 0',
+        targetOffset: '0 0',
+        targetAttachment: 'auto auto',
+        classPrefix: 'tether'
+      };
+
+      this.options = extend(defaults, options);
+
+      var _options = this.options;
+      var element = _options.element;
+      var target = _options.target;
+      var targetModifier = _options.targetModifier;
+
+      this.element = element;
+      this.target = target;
+      this.targetModifier = targetModifier;
+
+      if (this.target === 'viewport') {
+        this.target = document.body;
+        this.targetModifier = 'visible';
+      } else if (this.target === 'scroll-handle') {
+        this.target = document.body;
+        this.targetModifier = 'scroll-handle';
+      }
+
+      ['element', 'target'].forEach(function (key) {
+        if (typeof _this2[key] === 'undefined') {
+          throw new Error('Tether Error: Both element and target must be defined');
+        }
+
+        if (typeof _this2[key].jquery !== 'undefined') {
+          _this2[key] = _this2[key][0];
+        } else if (typeof _this2[key] === 'string') {
+          _this2[key] = document.querySelector(_this2[key]);
+        }
+      });
+
+      addClass(this.element, this.getClass('element'));
+      if (!(this.options.addTargetClasses === false)) {
+        addClass(this.target, this.getClass('target'));
+      }
+
+      if (!this.options.attachment) {
+        throw new Error('Tether Error: You must provide an attachment');
+      }
+
+      this.targetAttachment = parseAttachment(this.options.targetAttachment);
+      this.attachment = parseAttachment(this.options.attachment);
+      this.offset = parseOffset(this.options.offset);
+      this.targetOffset = parseOffset(this.options.targetOffset);
+
+      if (typeof this.scrollParents !== 'undefined') {
+        this.disable();
+      }
+
+      if (this.targetModifier === 'scroll-handle') {
+        this.scrollParents = [this.target];
+      } else {
+        this.scrollParents = getScrollParents(this.target);
+      }
+
+      if (!(this.options.enabled === false)) {
+        this.enable(pos);
+      }
+    }
+  }, {
+    key: 'getTargetBounds',
+    value: function getTargetBounds() {
+      if (typeof this.targetModifier !== 'undefined') {
+        if (this.targetModifier === 'visible') {
+          if (this.target === document.body) {
+            return { top: pageYOffset, left: pageXOffset, height: innerHeight, width: innerWidth };
+          } else {
+            var bounds = getBounds(this.target);
+
+            var out = {
+              height: bounds.height,
+              width: bounds.width,
+              top: bounds.top,
+              left: bounds.left
+            };
+
+            out.height = Math.min(out.height, bounds.height - (pageYOffset - bounds.top));
+            out.height = Math.min(out.height, bounds.height - (bounds.top + bounds.height - (pageYOffset + innerHeight)));
+            out.height = Math.min(innerHeight, out.height);
+            out.height -= 2;
+
+            out.width = Math.min(out.width, bounds.width - (pageXOffset - bounds.left));
+            out.width = Math.min(out.width, bounds.width - (bounds.left + bounds.width - (pageXOffset + innerWidth)));
+            out.width = Math.min(innerWidth, out.width);
+            out.width -= 2;
+
+            if (out.top < pageYOffset) {
+              out.top = pageYOffset;
+            }
+            if (out.left < pageXOffset) {
+              out.left = pageXOffset;
+            }
+
+            return out;
+          }
+        } else if (this.targetModifier === 'scroll-handle') {
+          var bounds = undefined;
+          var target = this.target;
+          if (target === document.body) {
+            target = document.documentElement;
+
+            bounds = {
+              left: pageXOffset,
+              top: pageYOffset,
+              height: innerHeight,
+              width: innerWidth
+            };
+          } else {
+            bounds = getBounds(target);
+          }
+
+          var style = getComputedStyle(target);
+
+          var hasBottomScroll = target.scrollWidth > target.clientWidth || [style.overflow, style.overflowX].indexOf('scroll') >= 0 || this.target !== document.body;
+
+          var scrollBottom = 0;
+          if (hasBottomScroll) {
+            scrollBottom = 15;
+          }
+
+          var height = bounds.height - parseFloat(style.borderTopWidth) - parseFloat(style.borderBottomWidth) - scrollBottom;
+
+          var out = {
+            width: 15,
+            height: height * 0.975 * (height / target.scrollHeight),
+            left: bounds.left + bounds.width - parseFloat(style.borderLeftWidth) - 15
+          };
+
+          var fitAdj = 0;
+          if (height < 408 && this.target === document.body) {
+            fitAdj = -0.00011 * Math.pow(height, 2) - 0.00727 * height + 22.58;
+          }
+
+          if (this.target !== document.body) {
+            out.height = Math.max(out.height, 24);
+          }
+
+          var scrollPercentage = this.target.scrollTop / (target.scrollHeight - height);
+          out.top = scrollPercentage * (height - out.height - fitAdj) + bounds.top + parseFloat(style.borderTopWidth);
+
+          if (this.target === document.body) {
+            out.height = Math.max(out.height, 24);
+          }
+
+          return out;
+        }
+      } else {
+        return getBounds(this.target);
+      }
+    }
+  }, {
+    key: 'clearCache',
+    value: function clearCache() {
+      this._cache = {};
+    }
+  }, {
+    key: 'cache',
+    value: function cache(k, getter) {
+      // More than one module will often need the same DOM info, so
+      // we keep a cache which is cleared on each position call
+      if (typeof this._cache === 'undefined') {
+        this._cache = {};
+      }
+
+      if (typeof this._cache[k] === 'undefined') {
+        this._cache[k] = getter.call(this);
+      }
+
+      return this._cache[k];
+    }
+  }, {
+    key: 'enable',
+    value: function enable() {
+      var _this3 = this;
+
+      var pos = arguments.length <= 0 || arguments[0] === undefined ? true : arguments[0];
+
+      if (!(this.options.addTargetClasses === false)) {
+        addClass(this.target, this.getClass('enabled'));
+      }
+      addClass(this.element, this.getClass('enabled'));
+      this.enabled = true;
+
+      this.scrollParents.forEach(function (parent) {
+        if (parent !== _this3.target.ownerDocument) {
+          parent.addEventListener('scroll', _this3.position);
+        }
+      });
+
+      if (pos) {
+        this.position();
+      }
+    }
+  }, {
+    key: 'disable',
+    value: function disable() {
+      var _this4 = this;
+
+      removeClass(this.target, this.getClass('enabled'));
+      removeClass(this.element, this.getClass('enabled'));
+      this.enabled = false;
+
+      if (typeof this.scrollParents !== 'undefined') {
+        this.scrollParents.forEach(function (parent) {
+          parent.removeEventListener('scroll', _this4.position);
+        });
+      }
+    }
+  }, {
+    key: 'destroy',
+    value: function destroy() {
+      var _this5 = this;
+
+      this.disable();
+
+      tethers.forEach(function (tether, i) {
+        if (tether === _this5) {
+          tethers.splice(i, 1);
+        }
+      });
+
+      // Remove any elements we were using for convenience from the DOM
+      if (tethers.length === 0) {
+        removeUtilElements();
+      }
+    }
+  }, {
+    key: 'updateAttachClasses',
+    value: function updateAttachClasses(elementAttach, targetAttach) {
+      var _this6 = this;
+
+      elementAttach = elementAttach || this.attachment;
+      targetAttach = targetAttach || this.targetAttachment;
+      var sides = ['left', 'top', 'bottom', 'right', 'middle', 'center'];
+
+      if (typeof this._addAttachClasses !== 'undefined' && this._addAttachClasses.length) {
+        // updateAttachClasses can be called more than once in a position call, so
+        // we need to clean up after ourselves such that when the last defer gets
+        // ran it doesn't add any extra classes from previous calls.
+        this._addAttachClasses.splice(0, this._addAttachClasses.length);
+      }
+
+      if (typeof this._addAttachClasses === 'undefined') {
+        this._addAttachClasses = [];
+      }
+      var add = this._addAttachClasses;
+
+      if (elementAttach.top) {
+        add.push(this.getClass('element-attached') + '-' + elementAttach.top);
+      }
+      if (elementAttach.left) {
+        add.push(this.getClass('element-attached') + '-' + elementAttach.left);
+      }
+      if (targetAttach.top) {
+        add.push(this.getClass('target-attached') + '-' + targetAttach.top);
+      }
+      if (targetAttach.left) {
+        add.push(this.getClass('target-attached') + '-' + targetAttach.left);
+      }
+
+      var all = [];
+      sides.forEach(function (side) {
+        all.push(_this6.getClass('element-attached') + '-' + side);
+        all.push(_this6.getClass('target-attached') + '-' + side);
+      });
+
+      defer(function () {
+        if (!(typeof _this6._addAttachClasses !== 'undefined')) {
+          return;
+        }
+
+        updateClasses(_this6.element, _this6._addAttachClasses, all);
+        if (!(_this6.options.addTargetClasses === false)) {
+          updateClasses(_this6.target, _this6._addAttachClasses, all);
+        }
+
+        delete _this6._addAttachClasses;
+      });
+    }
+  }, {
+    key: 'position',
+    value: function position() {
+      var _this7 = this;
+
+      var flushChanges = arguments.length <= 0 || arguments[0] === undefined ? true : arguments[0];
+
+      // flushChanges commits the changes immediately, leave true unless you are positioning multiple
+      // tethers (in which case call Tether.Utils.flush yourself when you're done)
+
+      if (!this.enabled) {
+        return;
+      }
+
+      this.clearCache();
+
+      // Turn 'auto' attachments into the appropriate corner or edge
+      var targetAttachment = autoToFixedAttachment(this.targetAttachment, this.attachment);
+
+      this.updateAttachClasses(this.attachment, targetAttachment);
+
+      var elementPos = this.cache('element-bounds', function () {
+        return getBounds(_this7.element);
+      });
+
+      var width = elementPos.width;
+      var height = elementPos.height;
+
+      if (width === 0 && height === 0 && typeof this.lastSize !== 'undefined') {
+        var _lastSize = this.lastSize;
+
+        // We cache the height and width to make it possible to position elements that are
+        // getting hidden.
+        width = _lastSize.width;
+        height = _lastSize.height;
+      } else {
+        this.lastSize = { width: width, height: height };
+      }
+
+      var targetPos = this.cache('target-bounds', function () {
+        return _this7.getTargetBounds();
+      });
+      var targetSize = targetPos;
+
+      // Get an actual px offset from the attachment
+      var offset = offsetToPx(attachmentToOffset(this.attachment), { width: width, height: height });
+      var targetOffset = offsetToPx(attachmentToOffset(targetAttachment), targetSize);
+
+      var manualOffset = offsetToPx(this.offset, { width: width, height: height });
+      var manualTargetOffset = offsetToPx(this.targetOffset, targetSize);
+
+      // Add the manually provided offset
+      offset = addOffset(offset, manualOffset);
+      targetOffset = addOffset(targetOffset, manualTargetOffset);
+
+      // It's now our goal to make (element position + offset) == (target position + target offset)
+      var left = targetPos.left + targetOffset.left - offset.left;
+      var top = targetPos.top + targetOffset.top - offset.top;
+
+      for (var i = 0; i < TetherBase.modules.length; ++i) {
+        var _module2 = TetherBase.modules[i];
+        var ret = _module2.position.call(this, {
+          left: left,
+          top: top,
+          targetAttachment: targetAttachment,
+          targetPos: targetPos,
+          elementPos: elementPos,
+          offset: offset,
+          targetOffset: targetOffset,
+          manualOffset: manualOffset,
+          manualTargetOffset: manualTargetOffset,
+          scrollbarSize: scrollbarSize,
+          attachment: this.attachment
+        });
+
+        if (ret === false) {
+          return false;
+        } else if (typeof ret === 'undefined' || typeof ret !== 'object') {
+          continue;
+        } else {
+          top = ret.top;
+          left = ret.left;
+        }
+      }
+
+      // We describe the position three different ways to give the optimizer
+      // a chance to decide the best possible way to position the element
+      // with the fewest repaints.
+      var next = {
+        // It's position relative to the page (absolute positioning when
+        // the element is a child of the body)
+        page: {
+          top: top,
+          left: left
+        },
+
+        // It's position relative to the viewport (fixed positioning)
+        viewport: {
+          top: top - pageYOffset,
+          bottom: pageYOffset - top - height + innerHeight,
+          left: left - pageXOffset,
+          right: pageXOffset - left - width + innerWidth
+        }
+      };
+
+      var doc = this.target.ownerDocument;
+      var win = doc.defaultView;
+
+      var scrollbarSize = undefined;
+      if (win.innerHeight > doc.documentElement.clientHeight) {
+        scrollbarSize = this.cache('scrollbar-size', getScrollBarSize);
+        next.viewport.bottom -= scrollbarSize.height;
+      }
+
+      if (win.innerWidth > doc.documentElement.clientWidth) {
+        scrollbarSize = this.cache('scrollbar-size', getScrollBarSize);
+        next.viewport.right -= scrollbarSize.width;
+      }
+
+      if (['', 'static'].indexOf(doc.body.style.position) === -1 || ['', 'static'].indexOf(doc.body.parentElement.style.position) === -1) {
+        // Absolute positioning in the body will be relative to the page, not the 'initial containing block'
+        next.page.bottom = doc.body.scrollHeight - top - height;
+        next.page.right = doc.body.scrollWidth - left - width;
+      }
+
+      if (typeof this.options.optimizations !== 'undefined' && this.options.optimizations.moveElement !== false && !(typeof this.targetModifier !== 'undefined')) {
+        (function () {
+          var offsetParent = _this7.cache('target-offsetparent', function () {
+            return getOffsetParent(_this7.target);
+          });
+          var offsetPosition = _this7.cache('target-offsetparent-bounds', function () {
+            return getBounds(offsetParent);
+          });
+          var offsetParentStyle = getComputedStyle(offsetParent);
+          var offsetParentSize = offsetPosition;
+
+          var offsetBorder = {};
+          ['Top', 'Left', 'Bottom', 'Right'].forEach(function (side) {
+            offsetBorder[side.toLowerCase()] = parseFloat(offsetParentStyle['border' + side + 'Width']);
+          });
+
+          offsetPosition.right = doc.body.scrollWidth - offsetPosition.left - offsetParentSize.width + offsetBorder.right;
+          offsetPosition.bottom = doc.body.scrollHeight - offsetPosition.top - offsetParentSize.height + offsetBorder.bottom;
+
+          if (next.page.top >= offsetPosition.top + offsetBorder.top && next.page.bottom >= offsetPosition.bottom) {
+            if (next.page.left >= offsetPosition.left + offsetBorder.left && next.page.right >= offsetPosition.right) {
+              // We're within the visible part of the target's scroll parent
+              var scrollTop = offsetParent.scrollTop;
+              var scrollLeft = offsetParent.scrollLeft;
+
+              // It's position relative to the target's offset parent (absolute positioning when
+              // the element is moved to be a child of the target's offset parent).
+              next.offset = {
+                top: next.page.top - offsetPosition.top + scrollTop - offsetBorder.top,
+                left: next.page.left - offsetPosition.left + scrollLeft - offsetBorder.left
+              };
+            }
+          }
+        })();
+      }
+
+      // We could also travel up the DOM and try each containing context, rather than only
+      // looking at the body, but we're gonna get diminishing returns.
+
+      this.move(next);
+
+      this.history.unshift(next);
+
+      if (this.history.length > 3) {
+        this.history.pop();
+      }
+
+      if (flushChanges) {
+        flush();
+      }
+
+      return true;
+    }
+
+    // THE ISSUE
+  }, {
+    key: 'move',
+    value: function move(pos) {
+      var _this8 = this;
+
+      if (!(typeof this.element.parentNode !== 'undefined')) {
+        return;
+      }
+
+      var same = {};
+
+      for (var type in pos) {
+        same[type] = {};
+
+        for (var key in pos[type]) {
+          var found = false;
+
+          for (var i = 0; i < this.history.length; ++i) {
+            var point = this.history[i];
+            if (typeof point[type] !== 'undefined' && !within(point[type][key], pos[type][key])) {
+              found = true;
+              break;
+            }
+          }
+
+          if (!found) {
+            same[type][key] = true;
+          }
+        }
+      }
+
+      var css = { top: '', left: '', right: '', bottom: '' };
+
+      var transcribe = function transcribe(_same, _pos) {
+        var hasOptimizations = typeof _this8.options.optimizations !== 'undefined';
+        var gpu = hasOptimizations ? _this8.options.optimizations.gpu : null;
+        if (gpu !== false) {
+          var yPos = undefined,
+              xPos = undefined;
+          if (_same.top) {
+            css.top = 0;
+            yPos = _pos.top;
+          } else {
+            css.bottom = 0;
+            yPos = -_pos.bottom;
+          }
+
+          if (_same.left) {
+            css.left = 0;
+            xPos = _pos.left;
+          } else {
+            css.right = 0;
+            xPos = -_pos.right;
+          }
+
+          if (window.matchMedia) {
+            // HubSpot/tether#207
+            var retina = window.matchMedia('only screen and (min-resolution: 1.3dppx)').matches || window.matchMedia('only screen and (-webkit-min-device-pixel-ratio: 1.3)').matches;
+            if (!retina) {
+              xPos = Math.round(xPos);
+              yPos = Math.round(yPos);
+            }
+          }
+
+          css[transformKey] = 'translateX(' + xPos + 'px) translateY(' + yPos + 'px)';
+
+          if (transformKey !== 'msTransform') {
+            // The Z transform will keep this in the GPU (faster, and prevents artifacts),
+            // but IE9 doesn't support 3d transforms and will choke.
+            css[transformKey] += " translateZ(0)";
+          }
+        } else {
+          if (_same.top) {
+            css.top = _pos.top + 'px';
+          } else {
+            css.bottom = _pos.bottom + 'px';
+          }
+
+          if (_same.left) {
+            css.left = _pos.left + 'px';
+          } else {
+            css.right = _pos.right + 'px';
+          }
+        }
+      };
+
+      var moved = false;
+      if ((same.page.top || same.page.bottom) && (same.page.left || same.page.right)) {
+        css.position = 'absolute';
+        transcribe(same.page, pos.page);
+      } else if ((same.viewport.top || same.viewport.bottom) && (same.viewport.left || same.viewport.right)) {
+        css.position = 'fixed';
+        transcribe(same.viewport, pos.viewport);
+      } else if (typeof same.offset !== 'undefined' && same.offset.top && same.offset.left) {
+        (function () {
+          css.position = 'absolute';
+          var offsetParent = _this8.cache('target-offsetparent', function () {
+            return getOffsetParent(_this8.target);
+          });
+
+          if (getOffsetParent(_this8.element) !== offsetParent) {
+            defer(function () {
+              _this8.element.parentNode.removeChild(_this8.element);
+              offsetParent.appendChild(_this8.element);
+            });
+          }
+
+          transcribe(same.offset, pos.offset);
+          moved = true;
+        })();
+      } else {
+        css.position = 'absolute';
+        transcribe({ top: true, left: true }, pos.page);
+      }
+
+      if (!moved) {
+        if (this.options.bodyElement) {
+          this.options.bodyElement.appendChild(this.element);
+        } else {
+          var offsetParentIsBody = true;
+          var currentNode = this.element.parentNode;
+          while (currentNode && currentNode.nodeType === 1 && currentNode.tagName !== 'BODY') {
+            if (getComputedStyle(currentNode).position !== 'static') {
+              offsetParentIsBody = false;
+              break;
+            }
+
+            currentNode = currentNode.parentNode;
+          }
+
+          if (!offsetParentIsBody) {
+            this.element.parentNode.removeChild(this.element);
+            this.element.ownerDocument.body.appendChild(this.element);
+          }
+        }
+      }
+
+      // Any css change will trigger a repaint, so let's avoid one if nothing changed
+      var writeCSS = {};
+      var write = false;
+      for (var key in css) {
+        var val = css[key];
+        var elVal = this.element.style[key];
+
+        if (elVal !== val) {
+          write = true;
+          writeCSS[key] = val;
+        }
+      }
+
+      if (write) {
+        defer(function () {
+          extend(_this8.element.style, writeCSS);
+          _this8.trigger('repositioned');
+        });
+      }
+    }
+  }]);
+
+  return TetherClass;
+})(Evented);
+
+TetherClass.modules = [];
+
+TetherBase.position = position;
+
+var Tether = extend(TetherClass, TetherBase);
+/* globals TetherBase */
+
+'use strict';
+
+var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
+
+var _TetherBase$Utils = TetherBase.Utils;
+var getBounds = _TetherBase$Utils.getBounds;
+var extend = _TetherBase$Utils.extend;
+var updateClasses = _TetherBase$Utils.updateClasses;
+var defer = _TetherBase$Utils.defer;
+
+var BOUNDS_FORMAT = ['left', 'top', 'right', 'bottom'];
+
+function getBoundingRect(tether, to) {
+  if (to === 'scrollParent') {
+    to = tether.scrollParents[0];
+  } else if (to === 'window') {
+    to = [pageXOffset, pageYOffset, innerWidth + pageXOffset, innerHeight + pageYOffset];
+  }
+
+  if (to === document) {
+    to = to.documentElement;
+  }
+
+  if (typeof to.nodeType !== 'undefined') {
+    (function () {
+      var node = to;
+      var size = getBounds(to);
+      var pos = size;
+      var style = getComputedStyle(to);
+
+      to = [pos.left, pos.top, size.width + pos.left, size.height + pos.top];
+
+      // Account any parent Frames scroll offset
+      if (node.ownerDocument !== document) {
+        var win = node.ownerDocument.defaultView;
+        to[0] += win.pageXOffset;
+        to[1] += win.pageYOffset;
+        to[2] += win.pageXOffset;
+        to[3] += win.pageYOffset;
+      }
+
+      BOUNDS_FORMAT.forEach(function (side, i) {
+        side = side[0].toUpperCase() + side.substr(1);
+        if (side === 'Top' || side === 'Left') {
+          to[i] += parseFloat(style['border' + side + 'Width']);
+        } else {
+          to[i] -= parseFloat(style['border' + side + 'Width']);
+        }
+      });
+    })();
+  }
+
+  return to;
+}
+
+TetherBase.modules.push({
+  position: function position(_ref) {
+    var _this = this;
+
+    var top = _ref.top;
+    var left = _ref.left;
+    var targetAttachment = _ref.targetAttachment;
+
+    if (!this.options.constraints) {
+      return true;
+    }
+
+    var _cache = this.cache('element-bounds', function () {
+      return getBounds(_this.element);
+    });
+
+    var height = _cache.height;
+    var width = _cache.width;
+
+    if (width === 0 && height === 0 && typeof this.lastSize !== 'undefined') {
+      var _lastSize = this.lastSize;
+
+      // Handle the item getting hidden as a result of our positioning without glitching
+      // the classes in and out
+      width = _lastSize.width;
+      height = _lastSize.height;
+    }
+
+    var targetSize = this.cache('target-bounds', function () {
+      return _this.getTargetBounds();
+    });
+
+    var targetHeight = targetSize.height;
+    var targetWidth = targetSize.width;
+
+    var allClasses = [this.getClass('pinned'), this.getClass('out-of-bounds')];
+
+    this.options.constraints.forEach(function (constraint) {
+      var outOfBoundsClass = constraint.outOfBoundsClass;
+      var pinnedClass = constraint.pinnedClass;
+
+      if (outOfBoundsClass) {
+        allClasses.push(outOfBoundsClass);
+      }
+      if (pinnedClass) {
+        allClasses.push(pinnedClass);
+      }
+    });
+
+    allClasses.forEach(function (cls) {
+      ['left', 'top', 'right', 'bottom'].forEach(function (side) {
+        allClasses.push(cls + '-' + side);
+      });
+    });
+
+    var addClasses = [];
+
+    var tAttachment = extend({}, targetAttachment);
+    var eAttachment = extend({}, this.attachment);
+
+    this.options.constraints.forEach(function (constraint) {
+      var to = constraint.to;
+      var attachment = constraint.attachment;
+      var pin = constraint.pin;
+
+      if (typeof attachment === 'undefined') {
+        attachment = '';
+      }
+
+      var changeAttachX = undefined,
+          changeAttachY = undefined;
+      if (attachment.indexOf(' ') >= 0) {
+        var _attachment$split = attachment.split(' ');
+
+        var _attachment$split2 = _slicedToArray(_attachment$split, 2);
+
+        changeAttachY = _attachment$split2[0];
+        changeAttachX = _attachment$split2[1];
+      } else {
+        changeAttachX = changeAttachY = attachment;
+      }
+
+      var bounds = getBoundingRect(_this, to);
+
+      if (changeAttachY === 'target' || changeAttachY === 'both') {
+        if (top < bounds[1] && tAttachment.top === 'top') {
+          top += targetHeight;
+          tAttachment.top = 'bottom';
+        }
+
+        if (top + height > bounds[3] && tAttachment.top === 'bottom') {
+          top -= targetHeight;
+          tAttachment.top = 'top';
+        }
+      }
+
+      if (changeAttachY === 'together') {
+        if (tAttachment.top === 'top') {
+          if (eAttachment.top === 'bottom' && top < bounds[1]) {
+            top += targetHeight;
+            tAttachment.top = 'bottom';
+
+            top += height;
+            eAttachment.top = 'top';
+          } else if (eAttachment.top === 'top' && top + height > bounds[3] && top - (height - targetHeight) >= bounds[1]) {
+            top -= height - targetHeight;
+            tAttachment.top = 'bottom';
+
+            eAttachment.top = 'bottom';
+          }
+        }
+
+        if (tAttachment.top === 'bottom') {
+          if (eAttachment.top === 'top' && top + height > bounds[3]) {
+            top -= targetHeight;
+            tAttachment.top = 'top';
+
+            top -= height;
+            eAttachment.top = 'bottom';
+          } else if (eAttachment.top === 'bottom' && top < bounds[1] && top + (height * 2 - targetHeight) <= bounds[3]) {
+            top += height - targetHeight;
+            tAttachment.top = 'top';
+
+            eAttachment.top = 'top';
+          }
+        }
+
+        if (tAttachment.top === 'middle') {
+          if (top + height > bounds[3] && eAttachment.top === 'top') {
+            top -= height;
+            eAttachment.top = 'bottom';
+          } else if (top < bounds[1] && eAttachment.top === 'bottom') {
+            top += height;
+            eAttachment.top = 'top';
+          }
+        }
+      }
+
+      if (changeAttachX === 'target' || changeAttachX === 'both') {
+        if (left < bounds[0] && tAttachment.left === 'left') {
+          left += targetWidth;
+          tAttachment.left = 'right';
+        }
+
+        if (left + width > bounds[2] && tAttachment.left === 'right') {
+          left -= targetWidth;
+          tAttachment.left = 'left';
+        }
+      }
+
+      if (changeAttachX === 'together') {
+        if (left < bounds[0] && tAttachment.left === 'left') {
+          if (eAttachment.left === 'right') {
+            left += targetWidth;
+            tAttachment.left = 'right';
+
+            left += width;
+            eAttachment.left = 'left';
+          } else if (eAttachment.left === 'left') {
+            left += targetWidth;
+            tAttachment.left = 'right';
+
+            left -= width;
+            eAttachment.left = 'right';
+          }
+        } else if (left + width > bounds[2] && tAttachment.left === 'right') {
+          if (eAttachment.left === 'left') {
+            left -= targetWidth;
+            tAttachment.left = 'left';
+
+            left -= width;
+            eAttachment.left = 'right';
+          } else if (eAttachment.left === 'right') {
+            left -= targetWidth;
+            tAttachment.left = 'left';
+
+            left += width;
+            eAttachment.left = 'left';
+          }
+        } else if (tAttachment.left === 'center') {
+          if (left + width > bounds[2] && eAttachment.left === 'left') {
+            left -= width;
+            eAttachment.left = 'right';
+          } else if (left < bounds[0] && eAttachment.left === 'right') {
+            left += width;
+            eAttachment.left = 'left';
+          }
+        }
+      }
+
+      if (changeAttachY === 'element' || changeAttachY === 'both') {
+        if (top < bounds[1] && eAttachment.top === 'bottom') {
+          top += height;
+          eAttachment.top = 'top';
+        }
+
+        if (top + height > bounds[3] && eAttachment.top === 'top') {
+          top -= height;
+          eAttachment.top = 'bottom';
+        }
+      }
+
+      if (changeAttachX === 'element' || changeAttachX === 'both') {
+        if (left < bounds[0]) {
+          if (eAttachment.left === 'right') {
+            left += width;
+            eAttachment.left = 'left';
+          } else if (eAttachment.left === 'center') {
+            left += width / 2;
+            eAttachment.left = 'left';
+          }
+        }
+
+        if (left + width > bounds[2]) {
+          if (eAttachment.left === 'left') {
+            left -= width;
+            eAttachment.left = 'right';
+          } else if (eAttachment.left === 'center') {
+            left -= width / 2;
+            eAttachment.left = 'right';
+          }
+        }
+      }
+
+      if (typeof pin === 'string') {
+        pin = pin.split(',').map(function (p) {
+          return p.trim();
+        });
+      } else if (pin === true) {
+        pin = ['top', 'left', 'right', 'bottom'];
+      }
+
+      pin = pin || [];
+
+      var pinned = [];
+      var oob = [];
+
+      if (top < bounds[1]) {
+        if (pin.indexOf('top') >= 0) {
+          top = bounds[1];
+          pinned.push('top');
+        } else {
+          oob.push('top');
+        }
+      }
+
+      if (top + height > bounds[3]) {
+        if (pin.indexOf('bottom') >= 0) {
+          top = bounds[3] - height;
+          pinned.push('bottom');
+        } else {
+          oob.push('bottom');
+        }
+      }
+
+      if (left < bounds[0]) {
+        if (pin.indexOf('left') >= 0) {
+          left = bounds[0];
+          pinned.push('left');
+        } else {
+          oob.push('left');
+        }
+      }
+
+      if (left + width > bounds[2]) {
+        if (pin.indexOf('right') >= 0) {
+          left = bounds[2] - width;
+          pinned.push('right');
+        } else {
+          oob.push('right');
+        }
+      }
+
+      if (pinned.length) {
+        (function () {
+          var pinnedClass = undefined;
+          if (typeof _this.options.pinnedClass !== 'undefined') {
+            pinnedClass = _this.options.pinnedClass;
+          } else {
+            pinnedClass = _this.getClass('pinned');
+          }
+
+          addClasses.push(pinnedClass);
+          pinned.forEach(function (side) {
+            addClasses.push(pinnedClass + '-' + side);
+          });
+        })();
+      }
+
+      if (oob.length) {
+        (function () {
+          var oobClass = undefined;
+          if (typeof _this.options.outOfBoundsClass !== 'undefined') {
+            oobClass = _this.options.outOfBoundsClass;
+          } else {
+            oobClass = _this.getClass('out-of-bounds');
+          }
+
+          addClasses.push(oobClass);
+          oob.forEach(function (side) {
+            addClasses.push(oobClass + '-' + side);
+          });
+        })();
+      }
+
+      if (pinned.indexOf('left') >= 0 || pinned.indexOf('right') >= 0) {
+        eAttachment.left = tAttachment.left = false;
+      }
+      if (pinned.indexOf('top') >= 0 || pinned.indexOf('bottom') >= 0) {
+        eAttachment.top = tAttachment.top = false;
+      }
+
+      if (tAttachment.top !== targetAttachment.top || tAttachment.left !== targetAttachment.left || eAttachment.top !== _this.attachment.top || eAttachment.left !== _this.attachment.left) {
+        _this.updateAttachClasses(eAttachment, tAttachment);
+        _this.trigger('update', {
+          attachment: eAttachment,
+          targetAttachment: tAttachment
+        });
+      }
+    });
+
+    defer(function () {
+      if (!(_this.options.addTargetClasses === false)) {
+        updateClasses(_this.target, addClasses, allClasses);
+      }
+      updateClasses(_this.element, addClasses, allClasses);
+    });
+
+    return { top: top, left: left };
+  }
+});
+/* globals TetherBase */
+
+'use strict';
+
+var _TetherBase$Utils = TetherBase.Utils;
+var getBounds = _TetherBase$Utils.getBounds;
+var updateClasses = _TetherBase$Utils.updateClasses;
+var defer = _TetherBase$Utils.defer;
+
+TetherBase.modules.push({
+  position: function position(_ref) {
+    var _this = this;
+
+    var top = _ref.top;
+    var left = _ref.left;
+
+    var _cache = this.cache('element-bounds', function () {
+      return getBounds(_this.element);
+    });
+
+    var height = _cache.height;
+    var width = _cache.width;
+
+    var targetPos = this.getTargetBounds();
+
+    var bottom = top + height;
+    var right = left + width;
+
+    var abutted = [];
+    if (top <= targetPos.bottom && bottom >= targetPos.top) {
+      ['left', 'right'].forEach(function (side) {
+        var targetPosSide = targetPos[side];
+        if (targetPosSide === left || targetPosSide === right) {
+          abutted.push(side);
+        }
+      });
+    }
+
+    if (left <= targetPos.right && right >= targetPos.left) {
+      ['top', 'bottom'].forEach(function (side) {
+        var targetPosSide = targetPos[side];
+        if (targetPosSide === top || targetPosSide === bottom) {
+          abutted.push(side);
+        }
+      });
+    }
+
+    var allClasses = [];
+    var addClasses = [];
+
+    var sides = ['left', 'top', 'right', 'bottom'];
+    allClasses.push(this.getClass('abutted'));
+    sides.forEach(function (side) {
+      allClasses.push(_this.getClass('abutted') + '-' + side);
+    });
+
+    if (abutted.length) {
+      addClasses.push(this.getClass('abutted'));
+    }
+
+    abutted.forEach(function (side) {
+      addClasses.push(_this.getClass('abutted') + '-' + side);
+    });
+
+    defer(function () {
+      if (!(_this.options.addTargetClasses === false)) {
+        updateClasses(_this.target, addClasses, allClasses);
+      }
+      updateClasses(_this.element, addClasses, allClasses);
+    });
+
+    return true;
+  }
+});
+/* globals TetherBase */
+
+'use strict';
+
+var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
+
+TetherBase.modules.push({
+  position: function position(_ref) {
+    var top = _ref.top;
+    var left = _ref.left;
+
+    if (!this.options.shift) {
+      return;
+    }
+
+    var shift = this.options.shift;
+    if (typeof this.options.shift === 'function') {
+      shift = this.options.shift.call(this, { top: top, left: left });
+    }
+
+    var shiftTop = undefined,
+        shiftLeft = undefined;
+    if (typeof shift === 'string') {
+      shift = shift.split(' ');
+      shift[1] = shift[1] || shift[0];
+
+      var _shift = shift;
+
+      var _shift2 = _slicedToArray(_shift, 2);
+
+      shiftTop = _shift2[0];
+      shiftLeft = _shift2[1];
+
+      shiftTop = parseFloat(shiftTop, 10);
+      shiftLeft = parseFloat(shiftLeft, 10);
+    } else {
+      shiftTop = shift.top;
+      shiftLeft = shift.left;
+    }
+
+    top += shiftTop;
+    left += shiftLeft;
+
+    return { top: top, left: left };
+  }
+});
+return Tether;
+
+}));
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