vantui-edit/es/collapse/index.js

一套适用于Taro3及React的vantui组件库

import _defineProperty from "@babel/runtime/helpers/defineProperty";
import _toConsumableArray from "@babel/runtime/helpers/toConsumableArray";
import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
var _excluded = ["value", "accordion", "border", "onOpen", "onClose", "onChange", "style", "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; }

import { cloneElement, useMemo, Children, useState, useCallback, useEffect } from 'react';
import { View } from '@tarojs/components';
import { jsx as _jsx } from "react/jsx-runtime";
export function Collapse(props) {
  var value = props.value,
      _props$accordion = props.accordion,
      accordion = _props$accordion === void 0 ? false : _props$accordion,
      _props$border = props.border,
      border = _props$border === void 0 ? true : _props$border,
      onOpen = props.onOpen,
      onClose = props.onClose,
      onChange = props.onChange,
      style = props.style,
      className = props.className,
      children = props.children,
      others = _objectWithoutProperties(props, _excluded);

  var _useState = useState([]),
      _useState2 = _slicedToArray(_useState, 2),
      defaultOpenIndex = _useState2[0],
      setDefaultOpenIndex = _useState2[1];

  var handleActiveName = useCallback(function () {
    var openIndex_ = [];

    if (value && !Array.isArray(value)) {
      openIndex_.push(value.toString());
    } else if (value && Array.isArray(value)) {
      if (accordion && value.length > 1) {
        console.warn('手风琴模式不支持传多个打开页签');
      }

      var arr = value.map(function (item) {
        return item.toString();
      });
      openIndex_ = _toConsumableArray(arr);
    }

    return openIndex_;
  }, [value]);
  useEffect(function () {
    var openIndex_ = handleActiveName();
    setDefaultOpenIndex(openIndex_);
  }, [value]);

  var _handleToggle = function handleToggle(isOpen, name) {
    var newOpenIndex = _toConsumableArray(defaultOpenIndex);

    if (isOpen) {
      // 当前状态为true，则变为false,闭合
      var removeIndex = newOpenIndex.findIndex(function (value) {
        return value === name;
      });
      newOpenIndex.splice(removeIndex, 1);
      onClose === null || onClose === void 0 ? void 0 : onClose({
        detail: name
      });
    } else {
      if (accordion) {
        newOpenIndex = [name];
      } else {
        newOpenIndex.push(name);
      }

      onOpen === null || onOpen === void 0 ? void 0 : onOpen({
        detail: name
      });
    }

    setDefaultOpenIndex(newOpenIndex);
    onChange === null || onChange === void 0 ? void 0 : onChange({
      detail: newOpenIndex
    });
  };

  var newChildren = useMemo(function () {
    return Children.map(children, function (child, index) {
      return /*#__PURE__*/cloneElement(child, {
        isOpen: defaultOpenIndex.includes(child.props.name),
        handleToggle: function handleToggle(isOpen, name) {
          return _handleToggle(isOpen, name);
        },
        index: index
      });
    });
  }, [children, value, accordion, handleActiveName, defaultOpenIndex]);
  return /*#__PURE__*/_jsx(View, _objectSpread(_objectSpread({
    className: ' van-collapse ' + (border ? 'van-hairline--top-bottom' : '') + " ".concat(className || ''),
    style: style
  }, others), {}, {
    children: newChildren
  }));
}
export default Collapse;