useCache.ts
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import type { FunctionalComponent } from 'vue';
import type { RouteLocation } from 'vue-router';
import { computed, ref, unref, getCurrentInstance } from 'vue';
import { useRootSetting } from '/@/hooks/setting/useRootSetting';
import { useRouter } from 'vue-router';
import { useStore } from 'vuex';
const ParentLayoutName = 'ParentLayout';
const PAGE_LAYOUT_KEY = '__PAGE_LAYOUT__';
export function getKey(component: FunctionalComponent & { type: Indexable }, route: RouteLocation) {
return !!component?.type.parentView ? {} : { key: route.fullPath };
}
export function useCache(isPage: boolean) {
const { getters } = useStore();
const name = ref('');
const { currentRoute } = useRouter();
const instance = getCurrentInstance();
const routeName = instance?.type.name;
if (routeName && ![ParentLayoutName].includes(routeName)) {
name.value = routeName;
} else {
const matched = currentRoute.value?.matched;
if (!matched) {
return;
}
const len = matched.length;
if (len < 2) return;
name.value = matched[len - 2].name as string;
}
const { getOpenKeepAlive } = useRootSetting();
const getCaches = computed((): string[] => {
if (!unref(getOpenKeepAlive)) {
return [];
}
const cached = getters['app-tab/getCachedMapState'];
if (isPage) {
// page Layout
return cached.get(PAGE_LAYOUT_KEY) || [];
}
const cacheSet = new Set<string>();
cacheSet.add(unref(name));
const list = cached.get(unref(name));
if (!list) {
return Array.from(cacheSet);
}
list.forEach((item) => {
cacheSet.add(item);
});
return Array.from(cacheSet);
});
return { getCaches };
}