LayoutBreadcrumb.tsx
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import type { AppRouteRecordRaw } from '/@/router/types';
import type { RouteLocationMatched } from 'vue-router';
import type { PropType } from 'vue';
import { defineComponent, TransitionGroup, unref, watch, ref } from 'vue';
import Breadcrumb from '/@/components/Breadcrumb/Breadcrumb.vue';
import Icon from '/@/components/Icon';
import BreadcrumbItem from '/@/components/Breadcrumb/BreadcrumbItem.vue';
import { useRouter } from 'vue-router';
import { isBoolean } from '/@/utils/is';
import { compile } from 'path-to-regexp';
import router from '/@/router';
import { PageEnum } from '/@/enums/pageEnum';
export default defineComponent({
name: 'BasicBreadcrumb',
props: {
showIcon: {
type: Boolean as PropType<boolean>,
default: false,
},
},
setup(props) {
const itemList = ref<AppRouteRecordRaw[]>([]);
const { currentRoute, push } = useRouter();
watch(
() => currentRoute.value,
() => {
if (unref(currentRoute).name === 'Redirect') return;
getBreadcrumb();
},
{ immediate: true }
);
function getBreadcrumb() {
const { matched } = unref(currentRoute);
const matchedList = matched.filter((item) => item.meta && item.meta.title).slice(1);
const firstItem = matchedList[0];
const ret = getHomeRoute(firstItem);
if (!isBoolean(ret)) {
matchedList.unshift(ret);
}
itemList.value = ((matchedList as any) as AppRouteRecordRaw[]).filter(
(item) => item.meta && item.meta.title && !item.meta.hideBreadcrumb
);
}
function getHomeRoute(firstItem: RouteLocationMatched) {
if (!firstItem || !firstItem.name) return false;
const routes = router.getRoutes();
const homeRoute = routes.find((item) => item.path === PageEnum.BASE_HOME);
if (!homeRoute) return false;
if (homeRoute.name === firstItem.name) return false;
return homeRoute;
}
function pathCompile(path: string) {
const { params } = unref(currentRoute);
const toPath = compile(path);
return toPath(params);
}
function handleItemClick(item: AppRouteRecordRaw) {
const { redirect, path, meta } = item;
if (meta.disabledRedirect) return;
if (redirect) {
push(redirect as string);
return;
}
return push(pathCompile(path));
}
function renderItemContent(item: AppRouteRecordRaw) {
return (
<>
{props.showIcon && item.meta.icon && item.meta.icon.trim() !== '' && (
<Icon
icon={item.meta.icon}
class="icon mr-1 "
style={{
marginBottom: '2px',
}}
/>
)}
{item.meta.title}
</>
);
}
function renderBreadcrumbItemList() {
return unref(itemList).map((item) => {
const isLink =
(!!item.redirect && !item.meta.disabledRedirect) ||
!item.children ||
item.children.length === 0;
return (
<BreadcrumbItem
key={item.path}
isLink={isLink}
onClick={handleItemClick.bind(null, item)}
>
{() => renderItemContent(item as AppRouteRecordRaw)}
</BreadcrumbItem>
);
});
}
function renderBreadcrumbDefault() {
return (
<TransitionGroup name="breadcrumb">{() => renderBreadcrumbItemList()}</TransitionGroup>
);
}
return () => (
<Breadcrumb class={['layout-breadcrumb', unref(itemList).length === 0 ? 'hidden' : '']}>
{() => renderBreadcrumbDefault()}
</Breadcrumb>
);
},
});