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<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->
<template>
<div class="_pageContainer" style="height: 100%;">
<KeepAlive
:max="prefer.s.numberOfPageCache"
:exclude="pageCacheController"
>
<Suspense :timeout="0">
<component :is="currentPageComponent" :key="key" v-bind="Object.fromEntries(currentPageProps)"/>
<template #fallback>
<MkLoading/>
</template>
</Suspense>
</KeepAlive>
</div>
</template>
<script lang="ts" setup>
import { inject, onBeforeUnmount, provide, ref, shallowRef, computed, nextTick } from 'vue';
import type { Router, Resolved, RouteDef } from '@/router.js';
import { prefer } from '@/preferences.js';
import { globalEvents } from '@/events.js';
import MkLoadingPage from '@/pages/_loading_.vue';
import { DI } from '@/di.js';
const props = defineProps<{
router?: Router;
}>();
const router = props.router ?? inject(DI.router);
if (router == null) {
throw new Error('no router provided');
}
const currentDepth = inject(DI.routerCurrentDepth, 0);
provide(DI.routerCurrentDepth, currentDepth + 1);
const current = router.current!;
const currentPageComponent = shallowRef('component' in current.route ? current.route.component : MkLoadingPage);
const currentPageProps = ref(current.props);
const key = ref(router.getCurrentPath());
function onChange({ resolved }) {
if (resolved == null || 'redirect' in resolved.route) return;
currentPageComponent.value = resolved.route.component;
currentPageProps.value = resolved.props;
key.value = router.getCurrentPath();
nextTick(() => {
// ページ遷移完了後に再びキャッシュを有効化
if (clearCacheRequested.value) {
clearCacheRequested.value = false;
}
});
}
router.addListener('change', onChange);
// #region キャッシュ制御
/**
* 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
*
* 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。
* 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
*/
const pageCacheController = computed(() => clearCacheRequested.value ? /.*/ : undefined);
const clearCacheRequested = ref(false);
globalEvents.on('requestClearPageCache', () => {
if (_DEV_) console.log('clear page cache requested');
if (!clearCacheRequested.value) {
clearCacheRequested.value = true;
}
});
// #endregion
onBeforeUnmount(() => {
router.removeListener('change', onChange);
});
</script>
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