index.vue
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<template>
<el-breadcrumb class="app-breadcrumb" separator="/">
<transition-group name="breadcrumb">
<el-breadcrumb-item v-for="(item, index) in breadcrumbs" :key="item.path">
<span
v-if="
item.redirect === 'noredirect' || index === breadcrumbs.length - 1
"
class="no-redirect"
>{{ item.meta.title }}
</span>
<a v-else @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
</el-breadcrumb-item>
</transition-group>
</el-breadcrumb>
</template>
<script lang="ts">
import pathToRegexp from 'path-to-regexp'
import { Component, Vue, Watch } from 'vue-property-decorator'
import { RouteRecord, Route } from 'vue-router'
@Component({
name: 'Breadcrumb'
})
export default class extends Vue {
private breadcrumbs: RouteRecord[] = []
@Watch('$route')
private onRouteChange(route: Route) {
// if you go to the redirect page, do not update the breadcrumbs
if (route.path.startsWith('/redirect/')) {
return
}
this.getBreadcrumb()
}
created() {
this.getBreadcrumb()
}
private getBreadcrumb() {
let matched = this.$route.matched.filter(
item => item.meta && item.meta.title
)
const first = matched[0]
if (!this.isDashboard(first)) {
matched = [
{ path: '/', meta: { title: 'Dashboard' } } as any
].concat(matched)
}
this.breadcrumbs = matched.filter(item => {
return item.meta && item.meta.title && item.meta.breadcrumb !== false
})
}
private isDashboard(route: any) {
const name = route && route.meta && route.meta.title
return name === 'Dashboard'
}
private pathCompile(path: string) {
const { params } = this.$route
const toPath = pathToRegexp.compile(path)
return toPath(params)
}
private handleLink(item: any) {
const { redirect, path } = item
if (redirect) {
this.$router.push(redirect)
return
}
this.$router.push(this.pathCompile(path))
}
}
</script>
<style lang="scss" scoped>
.el-breadcrumb__inner,
.el-breadcrumb__inner a {
font-weight: 400 !important;
}
.app-breadcrumb.el-breadcrumb {
display: inline-block;
font-size: 14px;
line-height: 50px;
margin-left: 8px;
.no-redirect {
color: #97a8be;
cursor: text;
}
}
</style>