reactstrap/esm/CarouselItem.js

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _excluded = ["in", "children", "cssModule", "slide", "tag", "className"];
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); 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 = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : 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; }
function _extends() { _extends = Object.assign ? Object.assign.bind() : 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); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
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 } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import { Transition } from 'react-transition-group';
import { CarouselContext } from './CarouselContext';
import { mapToCssModules, TransitionTimeouts, TransitionStatuses, tagPropType } from './utils';
var CarouselItem = /*#__PURE__*/function (_React$Component) {
  _inherits(CarouselItem, _React$Component);
  var _super = _createSuper(CarouselItem);
  function CarouselItem(props) {
    var _this;
    _classCallCheck(this, CarouselItem);
    _this = _super.call(this, props);
    _this.state = {
      startAnimation: false
    };
    _this.onEnter = _this.onEnter.bind(_assertThisInitialized(_this));
    _this.onEntering = _this.onEntering.bind(_assertThisInitialized(_this));
    _this.onExit = _this.onExit.bind(_assertThisInitialized(_this));
    _this.onExiting = _this.onExiting.bind(_assertThisInitialized(_this));
    _this.onExited = _this.onExited.bind(_assertThisInitialized(_this));
    return _this;
  }
  _createClass(CarouselItem, [{
    key: "onEnter",
    value: function onEnter(node, isAppearing) {
      this.setState({
        startAnimation: false
      });
      this.props.onEnter(node, isAppearing);
    }
  }, {
    key: "onEntering",
    value: function onEntering(node, isAppearing) {
      // getting this variable triggers a reflow
      var offsetHeight = node.offsetHeight;
      this.setState({
        startAnimation: true
      });
      this.props.onEntering(node, isAppearing);
      return offsetHeight;
    }
  }, {
    key: "onExit",
    value: function onExit(node) {
      this.setState({
        startAnimation: false
      });
      this.props.onExit(node);
    }
  }, {
    key: "onExiting",
    value: function onExiting(node) {
      this.setState({
        startAnimation: true
      });
      node.dispatchEvent(new CustomEvent('slide.bs.carousel'));
      this.props.onExiting(node);
    }
  }, {
    key: "onExited",
    value: function onExited(node) {
      node.dispatchEvent(new CustomEvent('slid.bs.carousel'));
      this.props.onExited(node);
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;
      var _this$props = this.props,
        isIn = _this$props["in"],
        children = _this$props.children,
        cssModule = _this$props.cssModule,
        _this$props$slide = _this$props.slide,
        slide = _this$props$slide === void 0 ? true : _this$props$slide,
        _this$props$tag = _this$props.tag,
        Tag = _this$props$tag === void 0 ? 'div' : _this$props$tag,
        className = _this$props.className,
        transitionProps = _objectWithoutProperties(_this$props, _excluded);
      return /*#__PURE__*/React.createElement(Transition, _extends({}, transitionProps, {
        enter: slide,
        exit: slide,
        "in": isIn,
        onEnter: this.onEnter,
        onEntering: this.onEntering,
        onExit: this.onExit,
        onExiting: this.onExiting,
        onExited: this.onExited
      }), function (status) {
        var direction = _this2.context.direction;
        var isActive = status === TransitionStatuses.ENTERED || status === TransitionStatuses.EXITING;
        var directionClassName = (status === TransitionStatuses.ENTERING || status === TransitionStatuses.EXITING) && _this2.state.startAnimation && (direction === 'end' ? 'carousel-item-start' : 'carousel-item-end');
        var orderClassName = status === TransitionStatuses.ENTERING && (direction === 'end' ? 'carousel-item-next' : 'carousel-item-prev');
        var itemClasses = mapToCssModules(classNames(className, 'carousel-item', isActive && 'active', directionClassName, orderClassName), cssModule);
        return /*#__PURE__*/React.createElement(Tag, {
          className: itemClasses
        }, children);
      });
    }
  }]);
  return CarouselItem;
}(React.Component);
CarouselItem.propTypes = _objectSpread(_objectSpread({}, Transition.propTypes), {}, {
  /** Set a custom element for this component */
  tag: tagPropType,
  "in": PropTypes.bool,
  /** Change underlying component's CSS base class name */
  cssModule: PropTypes.object,
  children: PropTypes.node,
  /** Enable/disable animation */
  slide: PropTypes.bool,
  /** Add custom class */
  className: PropTypes.string
});
CarouselItem.defaultProps = _objectSpread(_objectSpread({}, Transition.defaultProps), {}, {
  timeout: TransitionTimeouts.Carousel
});
CarouselItem.contextType = CarouselContext;
export default CarouselItem;