rc-motion/es/CSSMotionList.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/esm/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/esm/inherits";
import _createSuper from "@babel/runtime/helpers/esm/createSuper";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
var _excluded = ["component", "children", "onVisibleChanged", "onAllRemoved"],
    _excluded2 = ["status"];

/* eslint react/prop-types: 0 */
import * as React from 'react';
import OriginCSSMotion from "./CSSMotion";
import { supportTransition } from "./util/motion";
import { STATUS_ADD, STATUS_KEEP, STATUS_REMOVE, STATUS_REMOVED, diffKeys, parseKeys } from "./util/diff";
var MOTION_PROP_NAMES = ['eventProps', 'visible', 'children', 'motionName', 'motionAppear', 'motionEnter', 'motionLeave', 'motionLeaveImmediately', 'motionDeadline', 'removeOnLeave', 'leavedClassName', 'onAppearStart', 'onAppearActive', 'onAppearEnd', 'onEnterStart', 'onEnterActive', 'onEnterEnd', 'onLeaveStart', 'onLeaveActive', 'onLeaveEnd'];

/**
 * Generate a CSSMotionList component with config
 * @param transitionSupport No need since CSSMotionList no longer depends on transition support
 * @param CSSMotion CSSMotion component
 */
export function genCSSMotionList(transitionSupport) {
  var CSSMotion = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : OriginCSSMotion;

  var CSSMotionList = /*#__PURE__*/function (_React$Component) {
    _inherits(CSSMotionList, _React$Component);

    var _super = _createSuper(CSSMotionList);

    function CSSMotionList() {
      var _this;

      _classCallCheck(this, CSSMotionList);

      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      _this = _super.call.apply(_super, [this].concat(args));

      _defineProperty(_assertThisInitialized(_this), "state", {
        keyEntities: []
      });

      _defineProperty(_assertThisInitialized(_this), "removeKey", function (removeKey) {
        var keyEntities = _this.state.keyEntities;
        var nextKeyEntities = keyEntities.map(function (entity) {
          if (entity.key !== removeKey) return entity;
          return _objectSpread(_objectSpread({}, entity), {}, {
            status: STATUS_REMOVED
          });
        });

        _this.setState({
          keyEntities: nextKeyEntities
        });

        return nextKeyEntities.filter(function (_ref) {
          var status = _ref.status;
          return status !== STATUS_REMOVED;
        }).length;
      });

      return _this;
    }

    _createClass(CSSMotionList, [{
      key: "render",
      value: function render() {
        var _this2 = this;

        var keyEntities = this.state.keyEntities;

        var _this$props = this.props,
            component = _this$props.component,
            children = _this$props.children,
            _onVisibleChanged = _this$props.onVisibleChanged,
            onAllRemoved = _this$props.onAllRemoved,
            restProps = _objectWithoutProperties(_this$props, _excluded);

        var Component = component || React.Fragment;
        var motionProps = {};
        MOTION_PROP_NAMES.forEach(function (prop) {
          motionProps[prop] = restProps[prop];
          delete restProps[prop];
        });
        delete restProps.keys;
        return /*#__PURE__*/React.createElement(Component, restProps, keyEntities.map(function (_ref2) {
          var status = _ref2.status,
              eventProps = _objectWithoutProperties(_ref2, _excluded2);

          var visible = status === STATUS_ADD || status === STATUS_KEEP;
          return /*#__PURE__*/React.createElement(CSSMotion, _extends({}, motionProps, {
            key: eventProps.key,
            visible: visible,
            eventProps: eventProps,
            onVisibleChanged: function onVisibleChanged(changedVisible) {
              _onVisibleChanged === null || _onVisibleChanged === void 0 ? void 0 : _onVisibleChanged(changedVisible, {
                key: eventProps.key
              });

              if (!changedVisible) {
                var restKeysCount = _this2.removeKey(eventProps.key);

                if (restKeysCount === 0 && onAllRemoved) {
                  onAllRemoved();
                }
              }
            }
          }), children);
        }));
      }
    }], [{
      key: "getDerivedStateFromProps",
      value: function getDerivedStateFromProps(_ref3, _ref4) {
        var keys = _ref3.keys;
        var keyEntities = _ref4.keyEntities;
        var parsedKeyObjects = parseKeys(keys);
        var mixedKeyEntities = diffKeys(keyEntities, parsedKeyObjects);
        return {
          keyEntities: mixedKeyEntities.filter(function (entity) {
            var prevEntity = keyEntities.find(function (_ref5) {
              var key = _ref5.key;
              return entity.key === key;
            }); // Remove if already mark as removed

            if (prevEntity && prevEntity.status === STATUS_REMOVED && entity.status === STATUS_REMOVE) {
              return false;
            }

            return true;
          })
        };
      } // ZombieJ: Return the count of rest keys. It's safe to refactor if need more info.

    }]);

    return CSSMotionList;
  }(React.Component);

  _defineProperty(CSSMotionList, "defaultProps", {
    component: 'div'
  });

  return CSSMotionList;
}
export default genCSSMotionList(supportTransition);