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enhance(frontend): improve some caches

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This commit is contained in:
syuilo 2023-09-11 14:55:18 +09:00
parent cd6428715e
commit 25e030a707
8 changed files with 23 additions and 68 deletions
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9
packages/frontend/src/cache.ts
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@ -5,8 +5,9 @@
import * as Misskey from 'misskey-js';
import { Cache } from '@/scripts/cache';
import { api } from '@/os';
export const clipsCache = new Cache<Misskey.entities.Clip[]>(Infinity);
export const rolesCache = new Cache(Infinity);
export const userListsCache = new Cache<Misskey.entities.UserList[]>(Infinity);
export const antennasCache = new Cache<Misskey.entities.Antenna[]>(Infinity);
export const clipsCache = new Cache<Misskey.entities.Clip[]>(1000 * 60 * 30, () => api('clips/list'));
export const rolesCache = new Cache(1000 * 60 * 30, () => api('admin/roles/list'));
export const userListsCache = new Cache<Misskey.entities.UserList[]>(1000 * 60 * 30, () => api('users/lists/list'));
export const antennasCache = new Cache<Misskey.entities.Antenna[]>(1000 * 60 * 30, () => api('antennas/list'));

2
packages/frontend/src/local-storage.ts
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@ -30,8 +30,6 @@ type Keys =
'message_drafts' |
'scratchpad' |
'debug' |
'userListsCache' |
'antennasCache' |
`miux:${string}` |
`ui:folder:${string}` |
`themes:${string}` |

7
packages/frontend/src/pages/my-antennas/index.vue
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@ -28,18 +28,17 @@ SPDX-License-Identifier: AGPL-3.0-only
</template>
<script lang="ts" setup>
import { onActivated } from 'vue';
import MkButton from '@/components/MkButton.vue';
import { i18n } from '@/i18n';
import { definePageMetadata } from '@/scripts/page-metadata';
import { antennasCache } from '@/cache';
import { api } from '@/os';
import { onActivated } from 'vue';
import { infoImageUrl } from '@/instance';
const antennas = $computed(() => antennasCache.value.value ?? []);
function fetch() {
antennasCache.fetch(() => api('antennas/list'));
antennasCache.fetch();
}
fetch();
@ -62,7 +61,7 @@ definePageMetadata({
});
onActivated(() => {
antennasCache.fetch(() => api('antennas/list'));
antennasCache.fetch();
});
</script>

2
packages/frontend/src/pages/my-lists/index.vue
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@ -42,7 +42,7 @@ import { $i } from '@/account';
const items = $computed(() => userListsCache.value.value ?? []);
function fetch() {
userListsCache.fetch(() => os.api('users/lists/list'));
userListsCache.fetch();
}
fetch();

17
packages/frontend/src/pages/timeline.vue
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@ -39,6 +39,7 @@ import { instance } from '@/instance';
import { $i } from '@/account';
import { definePageMetadata } from '@/scripts/page-metadata';
import { miLocalStorage } from '@/local-storage';
import { antennasCache, userListsCache } from '@/cache';
provide('shouldOmitHeaderTitle', true);
@ -68,24 +69,17 @@ function top(): void {
}
async function chooseList(ev: MouseEvent): Promise<void> {
const cachedLists = miLocalStorage.getItemAsJson('userListsCache');
const lists = cachedLists ?? await os.api('users/lists/list');
const lists = await userListsCache.fetch();
const items = lists.map(list => ({
type: 'link' as const,
text: list.name,
to: `/timeline/list/${list.id}`,
}));
os.popupMenu(items, ev.currentTarget ?? ev.target);
if (cachedLists == null) {
miLocalStorage.setItemAsJson('userListsCache', lists);
} else {
miLocalStorage.setItemAsJson('userListsCache', await os.api('users/lists/list'));
}
}
async function chooseAntenna(ev: MouseEvent): Promise<void> {
const cachedAntennas = miLocalStorage.getItemAsJson('antennasCache');
const antennas = cachedAntennas ?? await os.api('antennas/list');
const antennas = await antennasCache.fetch();
const items = antennas.map(antenna => ({
type: 'link' as const,
text: antenna.name,
@ -93,11 +87,6 @@ async function chooseAntenna(ev: MouseEvent): Promise<void> {
to: `/timeline/antenna/${antenna.id}`,
}));
os.popupMenu(items, ev.currentTarget ?? ev.target);
if (cachedAntennas == null) {
miLocalStorage.setItemAsJson('antennasCache', antennas);
} else {
miLocalStorage.setItemAsJson('antennasCache', await os.api('antennas/list'));
}
}
async function chooseChannel(ev: MouseEvent): Promise<void> {

46
packages/frontend/src/scripts/cache.ts
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@ -9,9 +9,11 @@ export class Cache<T> {
private cachedAt: number | null = null;
public value = ref<T | undefined>();
private lifetime: number;
private fetcher: () => Promise<T>;
constructor(lifetime: Cache<never>['lifetime']) {
constructor(lifetime: Cache<never>['lifetime'], fetcher: () => Promise<T>) {
this.lifetime = lifetime;
this.fetcher = fetcher;
}
public set(value: T): void {
@ -35,51 +37,17 @@ export class Cache<T> {
/**
* キャッシュがあればそれを返し、無ければfetcherを呼び出して結果をキャッシュ&返します
* optional: キャッシュが存在してもvalidatorでfalseを返すとキャッシュ無効扱いにします
*/
public async fetch(fetcher: () => Promise<T>, validator?: (cachedValue: T) => boolean): Promise<T> {
public async fetch(): Promise<T> {
const cachedValue = this.get();
if (cachedValue !== undefined) {
if (validator) {
if (validator(cachedValue)) {
// Cache HIT
return cachedValue;
}
} else {
// Cache HIT
return cachedValue;
}
// Cache HIT
return cachedValue;
}
// Cache MISS
const value = await fetcher();
const value = await this.fetcher();
this.set(value);
return value;
}
/**
* キャッシュがあればそれを返し、無ければfetcherを呼び出して結果をキャッシュ&返します
* optional: キャッシュが存在してもvalidatorでfalseを返すとキャッシュ無効扱いにします
*/
public async fetchMaybe(fetcher: () => Promise<T | undefined>, validator?: (cachedValue: T) => boolean): Promise<T | undefined> {
const cachedValue = this.get();
if (cachedValue !== undefined) {
if (validator) {
if (validator(cachedValue)) {
// Cache HIT
return cachedValue;
}
} else {
// Cache HIT
return cachedValue;
}
}
// Cache MISS
const value = await fetcher();
if (value !== undefined) {
this.set(value);
}
return value;
}
}

2
packages/frontend/src/scripts/get-note-menu.ts
View File

@ -32,7 +32,7 @@ export async function getNoteClipMenu(props: {
const appearNote = isRenote ? props.note.renote as Misskey.entities.Note : props.note;
const clips = await clipsCache.fetch(() => os.api('clips/list'));
const clips = await clipsCache.fetch();
return [...clips.map(clip => ({
text: clip.name,
action: () => {

6
packages/frontend/src/scripts/get-user-menu.ts
View File

@ -170,7 +170,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: Router
icon: 'ti ti-list',
text: i18n.ts.addToList,
children: async () => {
const lists = await userListsCache.fetch(() => os.api('users/lists/list'));
const lists = await userListsCache.fetch();
return lists.map(list => {
const isListed = ref(list.userIds.includes(user.id));
cleanups.push(watch(isListed, () => {
@ -203,7 +203,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: Router
icon: 'ti ti-antenna',
text: i18n.ts.addToAntenna,
children: async () => {
const antennas = await antennasCache.fetch(() => os.api('antennas/list'));
const antennas = await antennasCache.fetch();
const canonical = user.host === null ? `@${user.username}` : `@${user.username}@${toUnicode(user.host)}`;
return antennas.filter((a) => a.src === 'users').map(antenna => ({
text: antenna.name,
@ -234,7 +234,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: Router
icon: 'ti ti-badges',
text: i18n.ts.roles,
children: async () => {
const roles = await rolesCache.fetch(() => os.api('admin/roles/list'));
const roles = await rolesCache.fetch();
return roles.filter(r => r.target === 'manual').map(r => ({
text: r.name,