elk/composables/cache.ts

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import LRU from 'lru-cache'
import type { Account, Status } from 'masto'
const cache = new LRU<string, any>({
max: 1000,
})
if (process.dev)
// eslint-disable-next-line no-console
console.log({ cache })
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export function setCached(key: string, value: any, override = false) {
if (override || !cache.has(key))
cache.set(key, value)
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}
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export function fetchStatus(id: string, force = false): Promise<Status> {
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const key = `status:${id}`
const cached = cache.get(key)
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if (cached && !force)
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return cached
const promise = useMasto().statuses.fetch(id)
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.then((status) => {
cacheStatus(status)
return status
})
cache.set(key, promise)
return promise
}
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export function fetchAccountById(id?: string | null): Promise<Account | null> {
if (!id)
return Promise.resolve(null)
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const key = `account:${id}`
const cached = cache.get(key)
if (cached)
return cached
const promise = useMasto().accounts.fetch(id)
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.then((account) => {
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cacheAccount(account, true)
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return account
})
cache.set(key, promise)
return promise
}
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export async function fetchAccountByHandle(acct: string): Promise<Account> {
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const key = `account:${acct}`
const cached = cache.get(key)
if (cached)
return cached
const account = useMasto().accounts.lookup({ acct })
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.then((r) => {
if (!r.acct.includes('@') && currentInstance.value)
r.acct = `${r.acct}@${currentInstance.value.uri}`
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cacheAccount(r, true)
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return r
})
cache.set(key, account)
return account
}
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export function useAccountByHandle(acct: string) {
return useAsyncState(() => fetchAccountByHandle(acct), null).state
}
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export function useAccountById(id?: string | null) {
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return useAsyncState(() => fetchAccountById(id), null).state
}
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export function cacheStatus(status: Status, override?: boolean) {
setCached(`status:${status.id}`, status, override)
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}
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export function cacheAccount(account: Account, override?: boolean) {
setCached(`account:${account.id}`, account, override)
setCached(`account:${account.acct}`, account, override)
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}