860e8bb5d8
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp> Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>
71 lines
2 KiB
TypeScript
71 lines
2 KiB
TypeScript
/*
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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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import * as Misskey from 'misskey-js';
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import { MaybeRefOrGetter, Ref, inject, isRef, onActivated, onBeforeUnmount, provide, ref, toValue, watch } from 'vue';
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export type PageMetadata = {
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title: string;
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subtitle?: string;
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icon?: string | null;
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avatar?: Misskey.entities.User | null;
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userName?: Misskey.entities.User | null;
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needWideArea?: boolean;
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};
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type PageMetadataGetter = () => PageMetadata;
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type PageMetadataReceiver = (getter: PageMetadataGetter) => void;
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const RECEIVER_KEY = Symbol('ReceiverKey');
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const setReceiver = (v: PageMetadataReceiver): void => {
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provide<PageMetadataReceiver>(RECEIVER_KEY, v);
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};
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const getReceiver = (): PageMetadataReceiver | undefined => {
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return inject<PageMetadataReceiver>(RECEIVER_KEY);
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};
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const METADATA_KEY = Symbol('MetadataKey');
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const setMetadata = (v: Ref<PageMetadata | null>): void => {
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provide<Ref<PageMetadata | null>>(METADATA_KEY, v);
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};
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const getMetadata = (): Ref<PageMetadata | null> | undefined => {
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return inject<Ref<PageMetadata | null>>(METADATA_KEY);
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};
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export const definePageMetadata = (maybeRefOrGetterMetadata: MaybeRefOrGetter<PageMetadata>): void => {
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const metadataRef = ref(toValue(maybeRefOrGetterMetadata));
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const metadataGetter = () => metadataRef.value;
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const receiver = getReceiver();
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// setup handler
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receiver?.(metadataGetter);
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// update handler
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onBeforeUnmount(watch(
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() => toValue(maybeRefOrGetterMetadata),
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(metadata) => {
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metadataRef.value = metadata;
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receiver?.(metadataGetter);
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},
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{ deep: true },
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));
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onActivated(() => {
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receiver?.(metadataGetter);
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});
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};
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export const provideMetadataReceiver = (receiver: PageMetadataReceiver): void => {
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setReceiver(receiver);
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};
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export const provideReactiveMetadata = (metadataRef: Ref<PageMetadata | null>): void => {
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setMetadata(metadataRef);
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};
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export const injectReactiveMetadata = (): Ref<PageMetadata | null> => {
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const metadataRef = getMetadata();
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return isRef(metadataRef) ? metadataRef : ref(null);
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};
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