misskey/packages/frontend/src/components/global/RouterView.vue
syuilo 3e508d7540 🎨
2022-12-31 20:14:24 +09:00

62 lines
1.6 KiB
Vue

<template>
<KeepAlive :max="defaultStore.state.numberOfPageCache">
<Suspense :timeout="0">
<component :is="currentPageComponent" :key="key" v-bind="Object.fromEntries(currentPageProps)"/>
<template #fallback>
<MkLoading/>
</template>
</Suspense>
</KeepAlive>
</template>
<script lang="ts" setup>
import { inject, nextTick, onBeforeUnmount, onMounted, onUnmounted, provide, watch } from 'vue';
import { Resolved, Router } from '@/nirax';
import { defaultStore } from '@/store';
const props = defineProps<{
router?: Router;
}>();
const router = props.router ?? inject('router');
if (router == null) {
throw new Error('no router provided');
}
const currentDepth = inject('routerCurrentDepth', 0);
provide('routerCurrentDepth', currentDepth + 1);
function resolveNested(current: Resolved, d = 0): Resolved | null {
if (d === currentDepth) {
return current;
} else {
if (current.child) {
return resolveNested(current.child, d + 1);
} else {
return null;
}
}
}
const current = resolveNested(router.current)!;
let currentPageComponent = $shallowRef(current.route.component);
let currentPageProps = $ref(current.props);
let key = $ref(current.route.path + JSON.stringify(Object.fromEntries(current.props)));
function onChange({ resolved, key: newKey }) {
const current = resolveNested(resolved);
if (current == null) return;
currentPageComponent = current.route.component;
currentPageProps = current.props;
key = current.route.path + JSON.stringify(Object.fromEntries(current.props));
}
router.addListener('change', onChange);
onBeforeUnmount(() => {
router.removeListener('change', onChange);
});
</script>