kopia lustrzana https://github.com/elk-zone/elk
53 wiersze
1.3 KiB
TypeScript
53 wiersze
1.3 KiB
TypeScript
import type { UseStore } from 'idb-keyval'
|
|
import {
|
|
del as delIdb,
|
|
get as getIdb,
|
|
promisifyRequest,
|
|
set as setIdb,
|
|
update as updateIdb,
|
|
|
|
} from 'idb-keyval'
|
|
|
|
const databases: IDBOpenDBRequest[] = []
|
|
|
|
function createStore(): UseStore {
|
|
const storeName = 'keyval'
|
|
const request = indexedDB.open('keyval-store')
|
|
databases.push(request)
|
|
request.onupgradeneeded = () => request.result.createObjectStore(storeName)
|
|
const dbp = promisifyRequest(request)
|
|
return (txMode, callback) => dbp.then(db => callback(db.transaction(storeName, txMode).objectStore(storeName)))
|
|
}
|
|
|
|
let defaultGetStoreFunc: UseStore | undefined
|
|
function defaultGetStore() {
|
|
if (!defaultGetStoreFunc)
|
|
defaultGetStoreFunc = createStore()
|
|
|
|
return defaultGetStoreFunc
|
|
}
|
|
|
|
export function get<T = any>(key: IDBValidKey) {
|
|
return getIdb<T>(key, defaultGetStore())
|
|
}
|
|
|
|
export function set(key: IDBValidKey, value: any) {
|
|
return setIdb(key, value, defaultGetStore())
|
|
}
|
|
|
|
export function update<T = any>(key: IDBValidKey, updater: (oldValue: T | undefined) => T) {
|
|
return updateIdb(key, updater, defaultGetStore())
|
|
}
|
|
|
|
export function del(key: IDBValidKey) {
|
|
return delIdb(key, defaultGetStore())
|
|
}
|
|
|
|
export function closeDatabases() {
|
|
databases.forEach((db) => {
|
|
if (db.result)
|
|
db.result.close()
|
|
})
|
|
defaultGetStoreFunc = undefined
|
|
}
|