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src/components/_base/menu/index.vue

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+<script lang="tsx">
+import type { RouteMeta, RouteRecordRaw } from 'vue-router';
+
+import { useAppStore } from '@/stores';
+import { listenerRouteChange } from '@/utils/route-listener';
+import { openWindow, regexUrl } from '@/utils';
+import useMenuTree from './use-menu-tree';
+
+export default defineComponent({
+  emit: ['collapse'],
+  setup() {
+    const appStore = useAppStore();
+    const router = useRouter();
+    const route = useRoute();
+    const { menuTree } = useMenuTree();
+    const collapsed = computed({
+      get() {
+        if (appStore.device === 'desktop') return appStore.menuCollapse;
+        return false;
+      },
+      set(value: boolean) {
+        appStore.updateSettings({ menuCollapse: value });
+      },
+    });
+    const topMenu = computed(() => appStore.topMenu);
+    const openKeys = ref<string[]>([]);
+    const selectedKey = ref<string[]>([]);
+    const goto = (item: RouteRecordRaw) => {
+      // Open external link
+      if (regexUrl.test(item.path)) {
+        openWindow(item.path);
+        selectedKey.value = [item.name as string];
+        return;
+      }
+      // Eliminate external link side effects
+      const { hideInMenu, activeMenu } = item.meta as RouteMeta;
+      if (route.name === item.name && !hideInMenu && !activeMenu) {
+        selectedKey.value = [item.name as string];
+        return;
+      }
+      // Trigger router change
+      router.push({
+        name: item.name,
+      });
+    };
+    const findMenuOpenKeys = (target: string) => {
+      const result: string[] = [];
+      let isFind = false;
+      const backtrack = (item: RouteRecordRaw, keys: string[]) => {
+        if (item.name === target) {
+          isFind = true;
+          result.push(...keys);
+          return;
+        }
+        if (item.children?.length) {
+          item.children.forEach((el) => {
+            backtrack(el, [...keys, el.name as string]);
+          });
+        }
+      };
+      menuTree.value.forEach((el: RouteRecordRaw) => {
+        if (isFind) return; // Performance optimization
+        backtrack(el, [el.name as string]);
+      });
+      return result;
+    };
+    listenerRouteChange((newRoute) => {
+      const { requiresAuth, activeMenu, hideInMenu } = newRoute.meta;
+      if (requiresAuth && (!hideInMenu || activeMenu)) {
+        const menuOpenKeys = findMenuOpenKeys((activeMenu || newRoute.name) as string);
+        const keySet = new Set([...menuOpenKeys, ...openKeys.value]);
+        openKeys.value = [...keySet];
+        selectedKey.value = [activeMenu || menuOpenKeys[menuOpenKeys.length - 1]];
+      }
+    }, true);
+    const setCollapse = (val: boolean) => {
+      if (appStore.device === 'desktop') appStore.updateSettings({ menuCollapse: val });
+    };
+    const renderSubMenu = () => {
+      function travel(_route: RouteRecordRaw[], nodes = []) {
+        if (_route) {
+          _route.forEach((element) => {
+            // This is demo, modify nodes as needed
+            const icon = element?.meta?.icon ? () => h(element?.meta?.icon as object) : null;
+            const node =
+              element?.children && element?.children.length !== 0 ? (
+                <a-sub-menu
+                  key={element?.name}
+                  v-slots={{
+                    icon,
+                    title: () => element?.meta?.locale || '',
+                  }}
+                >
+                  {travel(element?.children)}
+                </a-sub-menu>
+              ) : (
+                <a-menu-item key={element?.name} v-slots={{ icon }} onClick={() => goto(element)}>
+                  {element?.meta?.locale || ''}
+                </a-menu-item>
+              );
+            nodes.push(node as never);
+          });
+        }
+        return nodes;
+      }
+      return travel(menuTree.value);
+    };
+    return () => (
+      <a-menu
+        mode={topMenu.value ? 'horizontal' : 'vertical'}
+        v-model:collapsed={collapsed.value}
+        v-model:open-keys={openKeys.value}
+        show-collapse-button={appStore.device !== 'mobile'}
+        auto-open={false}
+        selected-keys={selectedKey.value}
+        auto-open-selected={true}
+        level-indent={34}
+        style="height: 100%;width:100%;"
+        onCollapse={setCollapse}
+      >
+        {renderSubMenu()}
+      </a-menu>
+    );
+  },
+});
+</script>
+
+<style lang="less" scoped>
+:deep(.arco-menu-inner) {
+  .arco-menu-inline-header {
+    display: flex;
+    align-items: center;
+  }
+  .arco-icon {
+    &:not(.arco-icon-down) {
+      font-size: 18px;
+    }
+  }
+}
+</style>