text: function _typeof(obj) { 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); }
  
  function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
  
  function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
  
  function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  
  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  
  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  
  function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  
  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; }
  
  /**
   * Copyright IBM Corp. 2016, 2018
   *
   * This source code is licensed under the Apache-2.0 license found in the
   * LICENSE file in the root directory of this source tree.
   */
  import PropTypes from 'prop-types';
  import React, { Component } from 'react';
  import classnames from 'classnames';
  import { iconChevronRight } from 'carbon-icons';
  import { settings } from 'carbon-components';
  import Icon from '../Icon';
  import ChevronRight16 from '@carbon/icons-react/lib/chevron--right/16';
  import { match, keys } from '../../tools/key';
  import { componentsX } from '../../internal/FeatureFlags';
  var prefix = settings.prefix;
  
  var defaultRenderExpando = function defaultRenderExpando(props) {
    return React.createElement("button", props);
  };
  
  var AccordionItem =
  /*#__PURE__*/
  function (_Component) {
    _inherits(AccordionItem, _Component);
  
    function AccordionItem() {
      var _getPrototypeOf2;
  
      var _this;
  
      _classCallCheck(this, AccordionItem);
  
      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }
  
      _this = _possibleConstructorReturn(this, (_getPrototypeOf2 = _getPrototypeOf(AccordionItem)).call.apply(_getPrototypeOf2, [this].concat(args)));
  
      _defineProperty(_assertThisInitialized(_this), "state", {});
  
      _defineProperty(_assertThisInitialized(_this), "handleClick", function (evt) {
        _this.props.onClick(evt);
      });
  
      _defineProperty(_assertThisInitialized(_this), "handleHeadingClick", function (evt) {
        var open = !_this.state.open;
  
        _this.setState({
          open: open
        });
  
        _this.props.onHeadingClick({
          isOpen: open,
          event: evt
        });
      });
  
      _defineProperty(_assertThisInitialized(_this), "handleKeyDown", function (evt) {
        if (match(evt.which, keys.ESC) && _this.state.open && evt.target.classList.contains("".concat(prefix, "--accordion__heading"))) {
          _this.handleHeadingClick(evt);
        }
      });
  
      return _this;
    }
  
    _createClass(AccordionItem, [{
      key: "render",
      value: function render() {
        var _this$props = this.props,
            className = _this$props.className,
            title = _this$props.title,
            Expando = _this$props.renderExpando,
            iconDescription = _this$props.iconDescription,
            children = _this$props.children,
            onClick = _this$props.onClick,
            onHeadingClick = _this$props.onHeadingClick,
            other = _objectWithoutProperties(_this$props, ["className", "title", "renderExpando", "iconDescription", "children", "onClick", "onHeadingClick"]);
  
        var classNames = classnames(_defineProperty({}, "".concat(prefix, "--accordion__item--active"), this.state.open), "".concat(prefix, "--accordion__item"), className);
        return React.createElement("li", _extends({
          className: classNames,
          onClick: this.handleClick,
          onKeyDown: this.handleKeyDown
        }, other), React.createElement(Expando, {
          type: "button",
          "aria-expanded": this.state.open,
          className: "".concat(prefix, "--accordion__heading"),
          onClick: this.handleHeadingClick,
          title: iconDescription
        }, componentsX ? React.createElement(ChevronRight16, {
          className: "".concat(prefix, "--accordion__arrow"),
          "aria-label": iconDescription
        }) : React.createElement(Icon, {
          className: "".concat(prefix, "--accordion__arrow"),
          icon: iconChevronRight,
          description: iconDescription,
          role: null // eslint-disable-line jsx-a11y/aria-role
  
        }), React.createElement("div", {
          className: "".concat(prefix, "--accordion__title")
        }, title)), React.createElement("div", {
          className: "".concat(prefix, "--accordion__content")
        }, children));
      }
    }], [{
      key: "getDerivedStateFromProps",
      value: function getDerivedStateFromProps(_ref, state) {
        var open = _ref.open;
        var prevOpen = state.prevOpen;
        return prevOpen === open ? null : {
          open: open,
          prevOpen: open
        };
      }
    }]);
  
    return AccordionItem;
  }(Component);
  
  _defineProperty(AccordionItem, "propTypes", {
    /**
     * Provide the contents of your AccordionItem
     */
    children: PropTypes.node,
  
    /**
     * Specify an optional className to be applied to the container node
     */
    className: PropTypes.string,
  
    /**
     * The accordion title.
     */
    title: PropTypes.node,
  
    /**
     * The callback function to render the expando button.
     * Can be a React component class.
     */
    renderExpando: PropTypes.func,
  
    /**
     * The description of the expando icon.
     */
    iconDescription: PropTypes.string,
  
    /**
     * `true` to open the expando.
     */
    open: PropTypes.bool,
  
    /**
     * The handler of the massaged `click` event.
     */
    onClick: PropTypes.func,
  
    /**
     * The handler of the massaged `click` event on the heading.
     */
    onHeadingClick: PropTypes.func
  });
  
  _defineProperty(AccordionItem, "defaultProps", {
    title: 'title',
    renderExpando: defaultRenderExpando,
    iconDescription: 'Expand/Collapse',
    open: false,
    onClick: function onClick() {},
    onHeadingClick: function onHeadingClick() {}
  });
  
  export { AccordionItem as default };