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import * as misskey from 'misskey-js';
import { ComputedRef, inject, isRef, onActivated, onMounted, provide, ref, Ref } from 'vue';
export const setPageMetadata = Symbol('setPageMetadata');
export const pageMetadataProvider = Symbol('pageMetadataProvider');
export type PageMetadata = {
title: string;
subtitle?: string;
icon?: string | null;
avatar?: misskey.entities.User | null;
userName?: misskey.entities.User | null;
bg?: string;
};
export function definePageMetadata(metadata: PageMetadata | null | Ref<PageMetadata | null> | ComputedRef<PageMetadata | null>): void {
const _metadata = isRef(metadata) ? metadata : ref(metadata);
provide(pageMetadataProvider, _metadata);
const set = inject(setPageMetadata) as any;
if (set) {
set(_metadata);
onMounted(() => {
set(_metadata);
});
onActivated(() => {
set(_metadata);
});
}
}
export function provideMetadataReceiver(callback: (info: ComputedRef<PageMetadata>) => void): void {
provide(setPageMetadata, callback);
}
export function injectPageMetadata(): PageMetadata | undefined {
return inject(pageMetadataProvider);
}
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