text: 'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  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 _react = require('react');
  
  var _react2 = _interopRequireDefault(_react);
  
  var _reactAddonsShallowCompare = require('react-addons-shallow-compare');
  
  var _reactAddonsShallowCompare2 = _interopRequireDefault(_reactAddonsShallowCompare);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  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; }
  
  /**
   * Decorator component that automatically adjusts the width and height of a single child.
   * Child component should not be declared as a child but should rather be specified by a `ChildComponent` property.
   * All other properties will be passed through to the child component.
   */
  var AutoSizer = function (_Component) {
    _inherits(AutoSizer, _Component);
  
    function AutoSizer(props) {
      _classCallCheck(this, AutoSizer);
  
      var _this = _possibleConstructorReturn(this, (AutoSizer.__proto__ || Object.getPrototypeOf(AutoSizer)).call(this, props));
  
      _this.state = {
        height: 0,
        width: 0
      };
  
      _this._onResize = _this._onResize.bind(_this);
      _this._onScroll = _this._onScroll.bind(_this);
      _this._setRef = _this._setRef.bind(_this);
      return _this;
    }
  
    _createClass(AutoSizer, [{
      key: 'componentDidMount',
      value: function componentDidMount() {
        // Delay access of parentNode until mount.
        // This handles edge-cases where the component has already been unmounted before its ref has been set,
        // As well as libraries like react-lite which have a slightly different lifecycle.
        this._parentNode = this._autoSizer.parentNode;
  
        // Defer requiring resize handler in order to support server-side rendering.
        // See issue #41
        this._detectElementResize = require('../vendor/detectElementResize');
        this._detectElementResize.addResizeListener(this._parentNode, this._onResize);
  
        this._onResize();
      }
    }, {
      key: 'componentWillUnmount',
      value: function componentWillUnmount() {
        if (this._detectElementResize) {
          this._detectElementResize.removeResizeListener(this._parentNode, this._onResize);
        }
      }
    }, {
      key: 'render',
      value: function render() {
        var _props = this.props;
        var children = _props.children;
        var disableHeight = _props.disableHeight;
        var disableWidth = _props.disableWidth;
        var _state = this.state;
        var height = _state.height;
        var width = _state.width;
  
        // Outer div should not force width/height since that may prevent containers from shrinking.
        // Inner component should overflow and use calculated width/height.
        // See issue #68 for more information.
  
        var outerStyle = { overflow: 'visible' };
  
        if (!disableHeight) {
          outerStyle.height = 0;
        }
  
        if (!disableWidth) {
          outerStyle.width = 0;
        }
  
        return _react2.default.createElement(
          'div',
          {
            ref: this._setRef,
            onScroll: this._onScroll,
            style: outerStyle
          },
          children({ height: height, width: width })
        );
      }
    }, {
      key: 'shouldComponentUpdate',
      value: function shouldComponentUpdate(nextProps, nextState) {
        return (0, _reactAddonsShallowCompare2.default)(this, nextProps, nextState);
      }
    }, {
      key: '_onResize',
      value: function _onResize() {
        var onResize = this.props.onResize;
  
        // Gaurd against AutoSizer component being removed from the DOM immediately after being added.
        // This can result in invalid style values which can result in NaN values if we don't handle them.
        // See issue #150 for more context.
  
        var boundingRect = this._parentNode.getBoundingClientRect();
        var height = boundingRect.height || 0;
        var width = boundingRect.width || 0;
  
        var style = getComputedStyle(this._parentNode);
        var paddingLeft = parseInt(style.paddingLeft, 10) || 0;
        var paddingRight = parseInt(style.paddingRight, 10) || 0;
        var paddingTop = parseInt(style.paddingTop, 10) || 0;
        var paddingBottom = parseInt(style.paddingBottom, 10) || 0;
  
        this.setState({
          height: height - paddingTop - paddingBottom,
          width: width - paddingLeft - paddingRight
        });
  
        onResize({ height: height, width: width });
      }
    }, {
      key: '_onScroll',
      value: function _onScroll(event) {
        // Prevent detectElementResize library from being triggered by this scroll event.
        event.stopPropagation();
      }
    }, {
      key: '_setRef',
      value: function _setRef(autoSizer) {
        this._autoSizer = autoSizer;
      }
    }]);
  
    return AutoSizer;
  }(_react.Component);
  
  AutoSizer.propTypes = {
    /**
     * Function respondible for rendering children.
     * This function should implement the following signature:
     * ({ height, width }) => PropTypes.element
     */
    children: _react.PropTypes.func.isRequired,
  
    /** Disable dynamic :height property */
    disableHeight: _react.PropTypes.bool,
  
    /** Disable dynamic :width property */
    disableWidth: _react.PropTypes.bool,
  
    /** Callback to be invoked on-resize: ({ height, width }) */
    onResize: _react.PropTypes.func.isRequired
  };
  AutoSizer.defaultProps = {
    onResize: function onResize() {}
  };
  exports.default = AutoSizer;