text: "use strict";
  
  function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.matchesSelector = matchesSelector;
  exports.matchesSelectorAndParentsTo = matchesSelectorAndParentsTo;
  exports.addEvent = addEvent;
  exports.removeEvent = removeEvent;
  exports.outerHeight = outerHeight;
  exports.outerWidth = outerWidth;
  exports.innerHeight = innerHeight;
  exports.innerWidth = innerWidth;
  exports.offsetXYFromParent = offsetXYFromParent;
  exports.createCSSTransform = createCSSTransform;
  exports.createSVGTransform = createSVGTransform;
  exports.getTranslation = getTranslation;
  exports.getTouch = getTouch;
  exports.getTouchIdentifier = getTouchIdentifier;
  exports.addUserSelectStyles = addUserSelectStyles;
  exports.removeUserSelectStyles = removeUserSelectStyles;
  exports.addClassName = addClassName;
  exports.removeClassName = removeClassName;
  
  var _shims = require("./shims");
  
  var _getPrefix = _interopRequireWildcard(require("./getPrefix"));
  
  function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
  
  function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
  
  function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
  
  function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
  
  function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
  
  var matchesSelectorFunc = '';
  
  function matchesSelector(el
  /*: Node*/
  , selector
  /*: string*/
  )
  /*: boolean*/
  {
    if (!matchesSelectorFunc) {
      matchesSelectorFunc = (0, _shims.findInArray)(['matches', 'webkitMatchesSelector', 'mozMatchesSelector', 'msMatchesSelector', 'oMatchesSelector'], function (method) {
        // $FlowIgnore: Doesn't think elements are indexable
        return (0, _shims.isFunction)(el[method]);
      });
    } // Might not be found entirely (not an Element?) - in that case, bail
    // $FlowIgnore: Doesn't think elements are indexable
  
  
    if (!(0, _shims.isFunction)(el[matchesSelectorFunc])) return false; // $FlowIgnore: Doesn't think elements are indexable
  
    return el[matchesSelectorFunc](selector);
  } // Works up the tree to the draggable itself attempting to match selector.
  
  
  function matchesSelectorAndParentsTo(el
  /*: Node*/
  , selector
  /*: string*/
  , baseNode
  /*: Node*/
  )
  /*: boolean*/
  {
    var node = el;
  
    do {
      if (matchesSelector(node, selector)) return true;
      if (node === baseNode) return false;
      node = node.parentNode;
    } while (node);
  
    return false;
  }
  
  function addEvent(el
  /*: ?Node*/
  , event
  /*: string*/
  , handler
  /*: Function*/
  , inputOptions
  /*: Object*/
  )
  /*: void*/
  {
    if (!el) return;
  
    var options = _objectSpread({
      capture: true
    }, inputOptions); // $FlowIgnore[method-unbinding]
  
  
    if (el.addEventListener) {
      el.addEventListener(event, handler, options);
    } else if (el.attachEvent) {
      el.attachEvent('on' + event, handler);
    } else {
      // $FlowIgnore: Doesn't think elements are indexable
      el['on' + event] = handler;
    }
  }
  
  function removeEvent(el
  /*: ?Node*/
  , event
  /*: string*/
  , handler
  /*: Function*/
  , inputOptions
  /*: Object*/
  )
  /*: void*/
  {
    if (!el) return;
  
    var options = _objectSpread({
      capture: true
    }, inputOptions); // $FlowIgnore[method-unbinding]
  
  
    if (el.removeEventListener) {
      el.removeEventListener(event, handler, options);
    } else if (el.detachEvent) {
      el.detachEvent('on' + event, handler);
    } else {
      // $FlowIgnore: Doesn't think elements are indexable
      el['on' + event] = null;
    }
  }
  
  function outerHeight(node
  /*: HTMLElement*/
  )
  /*: number*/
  {
    // This is deliberately excluding margin for our calculations, since we are using
    // offsetTop which is including margin. See getBoundPosition
    var height = node.clientHeight;
    var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
    height += (0, _shims.int)(computedStyle.borderTopWidth);
    height += (0, _shims.int)(computedStyle.borderBottomWidth);
    return height;
  }
  
  function outerWidth(node
  /*: HTMLElement*/
  )
  /*: number*/
  {
    // This is deliberately excluding margin for our calculations, since we are using
    // offsetLeft which is including margin. See getBoundPosition
    var width = node.clientWidth;
    var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
    width += (0, _shims.int)(computedStyle.borderLeftWidth);
    width += (0, _shims.int)(computedStyle.borderRightWidth);
    return width;
  }
  
  function innerHeight(node
  /*: HTMLElement*/
  )
  /*: number*/
  {
    var height = node.clientHeight;
    var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
    height -= (0, _shims.int)(computedStyle.paddingTop);
    height -= (0, _shims.int)(computedStyle.paddingBottom);
    return height;
  }
  
  function innerWidth(node
  /*: HTMLElement*/
  )
  /*: number*/
  {
    var width = node.clientWidth;
    var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
    width -= (0, _shims.int)(computedStyle.paddingLeft);
    width -= (0, _shims.int)(computedStyle.paddingRight);
    return width;
  }
  /*:: interface EventWithOffset {
    clientX: number, clientY: number
  }*/
  
  
  // Get from offsetParent
  function offsetXYFromParent(evt
  /*: EventWithOffset*/
  , offsetParent
  /*: HTMLElement*/
  , scale
  /*: number*/
  )
  /*: ControlPosition*/
  {
    var isBody = offsetParent === offsetParent.ownerDocument.body;
    var offsetParentRect = isBody ? {
      left: 0,
      top: 0
    } : offsetParent.getBoundingClientRect();
    var x = (evt.clientX + offsetParent.scrollLeft - offsetParentRect.left) / scale;
    var y = (evt.clientY + offsetParent.scrollTop - offsetParentRect.top) / scale;
    return {
      x: x,
      y: y
    };
  }
  
  function createCSSTransform(controlPos
  /*: ControlPosition*/
  , positionOffset
  /*: PositionOffsetControlPosition*/
  )
  /*: Object*/
  {
    var translation = getTranslation(controlPos, positionOffset, 'px');
    return _defineProperty({}, (0, _getPrefix.browserPrefixToKey)('transform', _getPrefix.default), translation);
  }
  
  function createSVGTransform(controlPos
  /*: ControlPosition*/
  , positionOffset
  /*: PositionOffsetControlPosition*/
  )
  /*: string*/
  {
    var translation = getTranslation(controlPos, positionOffset, '');
    return translation;
  }
  
  function getTranslation(_ref2, positionOffset
  /*: PositionOffsetControlPosition*/
  , unitSuffix
  /*: string*/
  )
  /*: string*/
  {
    var x = _ref2.x,
        y = _ref2.y;
    var translation = "translate(".concat(x).concat(unitSuffix, ",").concat(y).concat(unitSuffix, ")");
  
    if (positionOffset) {
      var defaultX = "".concat(typeof positionOffset.x === 'string' ? positionOffset.x : positionOffset.x + unitSuffix);
      var defaultY = "".concat(typeof positionOffset.y === 'string' ? positionOffset.y : positionOffset.y + unitSuffix);
      translation = "translate(".concat(defaultX, ", ").concat(defaultY, ")") + translation;
    }
  
    return translation;
  }
  
  function getTouch(e
  /*: MouseTouchEvent*/
  , identifier
  /*: number*/
  )
  /*: ?{clientX: number, clientY: number}*/
  {
    return e.targetTouches && (0, _shims.findInArray)(e.targetTouches, function (t) {
      return identifier === t.identifier;
    }) || e.changedTouches && (0, _shims.findInArray)(e.changedTouches, function (t) {
      return identifier === t.identifier;
    });
  }
  
  function getTouchIdentifier(e
  /*: MouseTouchEvent*/
  )
  /*: ?number*/
  {
    if (e.targetTouches && e.targetTouches[0]) return e.targetTouches[0].identifier;
    if (e.changedTouches && e.changedTouches[0]) return e.changedTouches[0].identifier;
  } // User-select Hacks:
  //
  // Useful for preventing blue highlights all over everything when dragging.
  // Note we're passing `document` b/c we could be iframed
  
  
  function addUserSelectStyles(doc
  /*: ?Document*/
  ) {
    if (!doc) return;
    var styleEl = doc.getElementById('react-draggable-style-el');
  
    if (!styleEl) {
      styleEl = doc.createElement('style');
      styleEl.type = 'text/css';
      styleEl.id = 'react-draggable-style-el';
      styleEl.innerHTML = '.react-draggable-transparent-selection *::-moz-selection {all: inherit;}\n';
      styleEl.innerHTML += '.react-draggable-transparent-selection *::selection {all: inherit;}\n';
      doc.getElementsByTagName('head')[0].appendChild(styleEl);
    }
  
    if (doc.body) addClassName(doc.body, 'react-draggable-transparent-selection');
  }
  
  function removeUserSelectStyles(doc
  /*: ?Document*/
  ) {
    if (!doc) return;
  
    try {
      if (doc.body) removeClassName(doc.body, 'react-draggable-transparent-selection'); // $FlowIgnore: IE
  
      if (doc.selection) {
        // $FlowIgnore: IE
        doc.selection.empty();
      } else {
        // Remove selection caused by scroll, unless it's a focused input
        // (we use doc.defaultView in case we're in an iframe)
        var selection = (doc.defaultView || window).getSelection();
  
        if (selection && selection.type !== 'Caret') {
          selection.removeAllRanges();
        }
      }
    } catch (e) {// probably IE
    }
  }
  
  function addClassName(el
  /*: HTMLElement*/
  , className
  /*: string*/
  ) {
    if (el.classList) {
      el.classList.add(className);
    } else {
      if (!el.className.match(new RegExp("(?:^|\\s)".concat(className, "(?!\\S)")))) {
        el.className += " ".concat(className);
      }
    }
  }
  
  function removeClassName(el
  /*: HTMLElement*/
  , className
  /*: string*/
  ) {
    if (el.classList) {
      el.classList.remove(className);
    } else {
      el.className = el.className.replace(new RegExp("(?:^|\\s)".concat(className, "(?!\\S)"), 'g'), '');
    }
  }