98 lines
2.9 KiB
Vue
98 lines
2.9 KiB
Vue
<!--
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SPDX-FileCopyrightText: syuilo and misskey-project
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SPDX-License-Identifier: AGPL-3.0-only
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-->
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<template>
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<KeepAlive
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:max="defaultStore.state.numberOfPageCache"
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:exclude="pageCacheController"
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>
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<Suspense :timeout="0">
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<component :is="currentPageComponent" :key="key" v-bind="Object.fromEntries(currentPageProps)"/>
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<template #fallback>
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<MkLoading/>
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</template>
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</Suspense>
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</KeepAlive>
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</template>
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<script lang="ts" setup>
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import { inject, onBeforeUnmount, provide, ref, shallowRef, computed, nextTick } from 'vue';
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import { IRouter, Resolved, RouteDef } from '@/nirax.js';
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import { defaultStore } from '@/store.js';
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import { globalEvents } from '@/events.js';
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import MkLoadingPage from '@/pages/_loading_.vue';
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const props = defineProps<{
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router?: IRouter;
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}>();
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const router = props.router ?? inject('router');
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if (router == null) {
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throw new Error('no router provided');
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}
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const currentDepth = inject('routerCurrentDepth', 0);
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provide('routerCurrentDepth', currentDepth + 1);
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function resolveNested(current: Resolved, d = 0): Resolved | null {
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if (d === currentDepth) {
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return current;
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} else {
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if (current.child) {
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return resolveNested(current.child, d + 1);
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} else {
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return null;
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}
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}
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}
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const current = resolveNested(router.current)!;
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const currentPageComponent = shallowRef('component' in current.route ? current.route.component : MkLoadingPage);
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const currentPageProps = ref(current.props);
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const key = ref(current.route.path + JSON.stringify(Object.fromEntries(current.props)));
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function onChange({ resolved, key: newKey }) {
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const current = resolveNested(resolved);
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if (current == null || 'redirect' in current.route) return;
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currentPageComponent.value = current.route.component;
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currentPageProps.value = current.props;
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key.value = current.route.path + JSON.stringify(Object.fromEntries(current.props));
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nextTick(() => {
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// ページ遷移完了後に再びキャッシュを有効化
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if (clearCacheRequested.value) {
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clearCacheRequested.value = false;
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}
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});
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}
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router.addListener('change', onChange);
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// #region キャッシュ制御
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/**
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* キャッシュクリアが有効になったら、全キャッシュをクリアする
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*
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* keepAlive側にwatcherがあるのですぐ消えるとはおもうけど、念のためページ遷移完了まではキャッシュを無効化しておく。
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* キャッシュ有効時向けにexcludeを使いたい場合は、pageCacheControllerに並列に突っ込むのではなく、下に追記すること
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*/
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const pageCacheController = computed(() => clearCacheRequested.value ? /.*/ : undefined);
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const clearCacheRequested = ref(false);
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globalEvents.on('requestClearPageCache', () => {
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if (_DEV_) console.log('clear page cache requested');
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if (!clearCacheRequested.value) {
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clearCacheRequested.value = true;
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}
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});
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// #endregion
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onBeforeUnmount(() => {
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router.removeListener('change', onChange);
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});
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</script>
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