A breadcrumb displays the current location within a hierarchy. It allows going back to states higher up in the hierarchy.
When To Use
- When the system has more than two layers in a hierarchy.
- When you need to inform the user of where they are.
- When the user may need to navigate back to a higher level.
API
| Property | Description | Type | Optional | Default | Version | 
| itemRender | Custom item renderer, #itemRender="{route, params, routes, paths}" | ({route, params, routes, paths}) => vNode |  | - |  | 
| params | Routing parameters | object |  | - |  | 
| routes | The routing stack information of router | routes[] |  | - |  | 
| separator | Custom separator | string|slot |  | / |  | 
Breadcrumb.Item
| Property | Description | Type | Default | Version | 
| href | Target of hyperlink | string | - |  | 
| overlay | The dropdown menu | Menu | () => Menu | - |  | 
Events
| Events Name | Description | Arguments | Version |  | 
| click | handler to handle click event | (e:MouseEvent)=>void | - | 1.5.0 | 
Breadcrumb.Separator 1.5.0
| Property | Description | Type | Default | Version | 
| - | - | - | - | - | 
When using Breadcrumb.Separator,its parent component must be set to separator="", otherwise the default separator of the parent component will appear.
routes
interface Route {
  path: string;
  breadcrumbName: string;
  children?: Array<{
    path: string;
    breadcrumbName: string;
  }>;
}
Use with browserHistory
The link of Breadcrumb item targets # by default, you can use itemRender to make a browserHistory Link.
<template>
  <a-breadcrumb :routes="routes">
    <template #itemRender="{ route, params, routes, paths }">
      <span v-if="routes.indexOf(route) === routes.length - 1">{{route.breadcrumbName}}</span>
      <router-link v-else :to="paths.join('/')">{{route.breadcrumbName}}</router-link>
    </template>
  </a-breadcrumb>
</template>
<script lang="ts">
  import { defineComponent, ref } from 'vue';
  interface Route {
    path: string;
    breadcrumbName: string;
    children?: Array<{
      path: string;
      breadcrumbName: string;
    }>;
  }
  export default defineComponent({
    setup() {
      const routes = ref<Route[]>([
        {
          path: 'index',
          breadcrumbName: 'home',
        },
        {
          path: 'first',
          breadcrumbName: 'first',
          children: [
            {
              path: '/general',
              breadcrumbName: 'General',
            },
            {
              path: '/layout',
              breadcrumbName: 'Layout',
            },
            {
              path: '/navigation',
              breadcrumbName: 'Navigation',
            },
          ],
        },
        {
          path: 'second',
          breadcrumbName: 'second',
        },
      ]);
      return {
        routes,
      };
    },
  });
</script>