ant-design-vue/es/breadcrumb/Breadcrumb.js

An enterprise-class UI design language and Vue-based implementation

import { createVNode as _createVNode, isVNode as _isVNode } from "vue";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

import { inject, cloneVNode, defineComponent } from 'vue';
import PropTypes from '../_util/vue-types';
import { filterEmpty, getComponent, getSlot } from '../_util/props-util';
import warning from '../_util/warning';
import { defaultConfigProvider } from '../config-provider';
import BreadcrumbItem from './BreadcrumbItem';
import Menu from '../menu';

function _isSlot(s) {
  return typeof s === 'function' || Object.prototype.toString.call(s) === '[object Object]' && !_isVNode(s);
}

var BreadcrumbProps = {
  prefixCls: PropTypes.string,
  routes: {
    type: Array
  },
  params: PropTypes.any,
  separator: PropTypes.VNodeChild,
  itemRender: {
    type: Function
  }
};

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(opt) {
  var route = opt.route,
      params = opt.params,
      routes = opt.routes,
      paths = opt.paths;
  var isLastItem = routes.indexOf(route) === routes.length - 1;
  var name = getBreadcrumbName(route, params);
  return isLastItem ? _createVNode("span", null, _isSlot(name) ? name : {
    default: function _default() {
      return [name];
    }
  }) : _createVNode("a", {
    "href": "#/".concat(paths.join('/'))
  }, _isSlot(name) ? name : {
    default: function _default() {
      return [name];
    }
  });
}

export default defineComponent({
  name: 'ABreadcrumb',
  props: BreadcrumbProps,
  setup: function setup() {
    return {
      configProvider: inject('configProvider', defaultConfigProvider)
    };
  },
  methods: {
    getPath: function getPath(path, params) {
      path = (path || '').replace(/^\//, '');
      Object.keys(params).forEach(function (key) {
        path = path.replace(":".concat(key), params[key]);
      });
      return path;
    },
    addChildPath: function addChildPath(paths) {
      var childPath = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
      var params = arguments.length > 2 ? arguments[2] : undefined;

      var originalPaths = _toConsumableArray(paths);

      var path = this.getPath(childPath, params);

      if (path) {
        originalPaths.push(path);
      }

      return originalPaths;
    },
    genForRoutes: function genForRoutes(_ref) {
      var _this = this;

      var _ref$routes = _ref.routes,
          routes = _ref$routes === void 0 ? [] : _ref$routes,
          _ref$params = _ref.params,
          params = _ref$params === void 0 ? {} : _ref$params,
          separator = _ref.separator,
          _ref$itemRender = _ref.itemRender,
          itemRender = _ref$itemRender === void 0 ? defaultItemRender : _ref$itemRender;
      var paths = [];
      return routes.map(function (route) {
        var _slot3;

        var path = _this.getPath(route.path, params);

        if (path) {
          paths.push(path);
        }

        var tempPaths = [].concat(paths); // generated overlay by route.children

        var overlay = null;

        if (route.children && route.children.length) {
          var _slot2;

          overlay = _createVNode(Menu, null, _isSlot(_slot2 = route.children.map(function (child) {
            var _slot;

            return _createVNode(Menu.Item, {
              "key": child.path || child.breadcrumbName
            }, _isSlot(_slot = itemRender({
              route: child,
              params: params,
              routes: routes,
              paths: _this.addChildPath(tempPaths, child.path, params)
            })) ? _slot : {
              default: function _default() {
                return [_slot];
              }
            });
          })) ? _slot2 : {
            default: function _default() {
              return [_slot2];
            }
          });
        }

        return _createVNode(BreadcrumbItem, {
          "overlay": overlay,
          "separator": separator,
          "key": path || route.breadcrumbName
        }, _isSlot(_slot3 = itemRender({
          route: route,
          params: params,
          routes: routes,
          paths: tempPaths
        })) ? _slot3 : {
          default: function _default() {
            return [_slot3];
          }
        });
      });
    }
  },
  render: function render() {
    var crumbs;
    var customizePrefixCls = this.prefixCls,
        routes = this.routes,
        _this$params = this.params,
        params = _this$params === void 0 ? {} : _this$params,
        $slots = this.$slots;
    var getPrefixCls = this.configProvider.getPrefixCls;
    var prefixCls = getPrefixCls('breadcrumb', customizePrefixCls);
    var children = filterEmpty(getSlot(this));
    var separator = getComponent(this, 'separator');
    var itemRender = this.itemRender || $slots.itemRender || defaultItemRender;

    if (routes && routes.length > 0) {
      // generated by route
      crumbs = this.genForRoutes({
        routes: routes,
        params: params,
        separator: separator,
        itemRender: itemRender
      });
    } else if (children.length) {
      crumbs = children.map(function (element, index) {
        warning(_typeof(element.type) === 'object' && (element.type.__ANT_BREADCRUMB_ITEM || element.type.__ANT_BREADCRUMB_SEPARATOR), 'Breadcrumb', "Only accepts Breadcrumb.Item and Breadcrumb.Separator as it's children");
        return cloneVNode(element, {
          separator: separator,
          key: index
        });
      });
    }

    return _createVNode("div", {
      "class": prefixCls
    }, _isSlot(crumbs) ? crumbs : {
      default: function _default() {
        return [crumbs];
      }
    });
  }
});