fomantic-ui-react/esm/transition/TransitionGroup copy.js

Fomantic-UI React -- A React Component Library.

/**
 * fomantic-ui-react v0.0.1-alpha.10
 * (c) 2022 FireLoong <fireloong@foxmail.com>
 * @license MIT
 */

import { _ as _defineProperty, a as _objectWithoutProperties } from '../_chunks/dep-9f1126c1.js';
import { _ as _slicedToArray } from '../_chunks/dep-dc9b74a1.js';
import React, { useState, Children, useEffect, isValidElement, createElement } from 'react';
import { Transition } from './index.js';
import _ from 'lodash';
import './Transition.js';
import 'classnames';
import './style/index.js';
import './type.js';

var _excluded = ["as", "animation", "duration", "className", "children"];

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; }

var TransitionGroup = function TransitionGroup(_ref) {
  var _ref$as = _ref.as,
      as = _ref$as === void 0 ? "div" : _ref$as,
      _ref$animation = _ref.animation,
      animation = _ref$animation === void 0 ? "fade" : _ref$animation,
      _ref$duration = _ref.duration,
      duration = _ref$duration === void 0 ? 500 : _ref$duration,
      className = _ref.className,
      children = _ref.children,
      props = _objectWithoutProperties(_ref, _excluded);

  var _useState = useState(children),
      _useState2 = _slicedToArray(_useState, 2),
      preChildren = _useState2[0],
      setPreChildren = _useState2[1];

  var _useState3 = useState(Children.count(preChildren)),
      _useState4 = _slicedToArray(_useState3, 2),
      count = _useState4[0],
      setCount = _useState4[1];

  useEffect(function () {
    if (count !== Children.count(children)) {
      setPreChildren(children);
      setCount(Children.count(children));
    }
  });

  if (children) {
    if (count <= Children.count(children)) {
      children = Children.map(children, function (child) {
        if ( /*#__PURE__*/isValidElement(child)) {
          var visibleCurrent = true;

          if (count < Children.count(children) && _.last(_.toArray(children)) === child) {
            visibleCurrent = false;
          }

          return /* @__PURE__ */React.createElement(Transition, _objectSpread({
            key: child.key,
            as: child.type,
            animation: animation,
            duration: duration,
            visible: visibleCurrent
          }, child.props));
        }
      });
    } else {
      children = Children.map(preChildren, function (child) {
        if ( /*#__PURE__*/isValidElement(child)) {
          var visibleCurrent = true;

          if (count > Children.count(children) && _.last(_.toArray(preChildren)) === child) {
            visibleCurrent = false;
          }

          return /* @__PURE__ */React.createElement(Transition, _objectSpread({
            key: child.key,
            as: child.type,
            animation: animation,
            duration: duration,
            visible: visibleCurrent
          }, child.props));
        }
      });
    }

    console.log(children);
  }

  return /*#__PURE__*/createElement(as, _objectSpread({
    className: className
  }, props), children);
};

TransitionGroup.displayName = "TransitionGroup";

export { TransitionGroup as default };
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