linkmore-design/es/breadcrumb/Breadcrumb.js

🌈 🚀lm组件库。🚀

import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
var _excluded = ["prefixCls", "separator", "style", "className", "routes", "children", "itemRender", "params"];
import classNames from 'classnames';
import toArray from 'rc-util/lib/Children/toArray';
import * as React from 'react';
import { ConfigContext } from "../config-provider";
import Menu from "../menu";
import { cloneElement } from "../_util/reactNode";
import warning from "../_util/warning";
import BreadcrumbItem from "./BreadcrumbItem";
import BreadcrumbSeparator from "./BreadcrumbSeparator";
function getBreadcrumbName(route, params) {
  if (!route.breadcrumbName) {
    return null;
  }
  var paramsKeys = Object.keys(params).join('|');
  var name = route.breadcrumbName.replace(new RegExp(":(".concat(paramsKeys, ")"), 'g'), function (replacement, key) {
    return params[key] || replacement;
  });
  return name;
}
function defaultItemRender(route, params, routes, paths) {
  var isLastItem = routes.indexOf(route) === routes.length - 1;
  var name = getBreadcrumbName(route, params);
  return isLastItem ? /*#__PURE__*/React.createElement("span", null, name) : /*#__PURE__*/React.createElement("a", {
    href: "#/".concat(paths.join('/'))
  }, name);
}
var getPath = function getPath(path, params) {
  path = (path || '').replace(/^\//, '');
  Object.keys(params).forEach(function (key) {
    path = path.replace(":".concat(key), params[key]);
  });
  return path;
};
var addChildPath = function addChildPath(paths, childPath, params) {
  var originalPaths = _toConsumableArray(paths);
  var path = getPath(childPath || '', params);
  if (path) {
    originalPaths.push(path);
  }
  return originalPaths;
};
var Breadcrumb = function Breadcrumb(_ref) {
  var customizePrefixCls = _ref.prefixCls,
    _ref$separator = _ref.separator,
    separator = _ref$separator === void 0 ? '/' : _ref$separator,
    style = _ref.style,
    className = _ref.className,
    routes = _ref.routes,
    children = _ref.children,
    _ref$itemRender = _ref.itemRender,
    itemRender = _ref$itemRender === void 0 ? defaultItemRender : _ref$itemRender,
    _ref$params = _ref.params,
    params = _ref$params === void 0 ? {} : _ref$params,
    restProps = _objectWithoutProperties(_ref, _excluded);
  var _React$useContext = React.useContext(ConfigContext),
    getPrefixCls = _React$useContext.getPrefixCls,
    direction = _React$useContext.direction;
  var crumbs;
  var prefixCls = getPrefixCls('breadcrumb', customizePrefixCls);
  if (routes && routes.length > 0) {
    // generated by route
    var _paths = [];
    crumbs = routes.map(function (route) {
      var path = getPath(route.path, params);
      if (path) {
        _paths.push(path);
      }
      // generated overlay by route.children
      var overlay;
      if (route.children && route.children.length) {
        overlay = /*#__PURE__*/React.createElement(Menu, {
          items: route.children.map(function (child) {
            return {
              key: child.path || child.breadcrumbName,
              label: itemRender(child, params, routes, addChildPath(_paths, child.path, params))
            };
          })
        });
      }
      var itemProps = {
        separator: separator
      };
      if (overlay) {
        itemProps.overlay = overlay;
      }
      return /*#__PURE__*/React.createElement(BreadcrumbItem, _extends({}, itemProps, {
        key: path || route.breadcrumbName
      }), itemRender(route, params, routes, _paths));
    });
  } else if (children) {
    crumbs = toArray(children).map(function (element, index) {
      if (!element) {
        return element;
      }
      warning(element.type && (element.type.__ANT_BREADCRUMB_ITEM === true || element.type.__ANT_BREADCRUMB_SEPARATOR === true), 'Breadcrumb', "Only accepts Breadcrumb.Item and Breadcrumb.Separator as it's children");
      return cloneElement(element, {
        separator: separator,
        key: index
      });
    });
  }
  var breadcrumbClassName = classNames(prefixCls, _defineProperty({}, "".concat(prefixCls, "-rtl"), direction === 'rtl'), className);
  return /*#__PURE__*/React.createElement("nav", _extends({
    className: breadcrumbClassName,
    style: style
  }, restProps), /*#__PURE__*/React.createElement("ol", null, crumbs));
};
Breadcrumb.Item = BreadcrumbItem;
Breadcrumb.Separator = BreadcrumbSeparator;
export default Breadcrumb;