@ccs-design/rc-pro/es/CcsBasicLayout/switch.js

ccs design basic react component

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (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 = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { 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; }

import React from 'react';
import { matchPath } from 'react-router';

function renderElement(children, location) {
  var element;
  var computedMatch;
  React.Children.forEach(children, function (child) {
    if (computedMatch == null && /*#__PURE__*/React.isValidElement(child)) {
      element = child;
      var path = child.props.path || child.props.from;
      computedMatch = matchPath(location.pathname, _objectSpread(_objectSpread({}, child.props), {}, {
        path: path
      }));
    }
  });
  if (!computedMatch) return null;
  var nextProps = {
    location: location,
    match: computedMatch
  };
  var render = element.props.render;
  var ele = render(nextProps);

  if (Array.isArray(ele.props.children)) {
    return renderElement(ele.props.children, location);
  }

  return ele;
}
/**
 *  自定义Switch 组件，参考react-router switch
 *  性能优化，子页面仅执行一次。
 */


export default /*#__PURE__*/React.memo(function (props) {
  var location = props.location,
      children = props.children;
  return renderElement(children, location);
}, function () {
  return true;
});