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feat: allow explicit sw de-registering + timebomb (#100)
* feat: allow explicit sw de-registering * feat: create a generic indexDb wrapper * feat: service-workers implode after 24hrs * fix: close DB after calling loadConfigFromLocalStorage * chore: remove registration.update() calls on sw * chore: dont throw error on db.close if already closed * tmp: do not prefetch content * fix: sw handling of request checks
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| import { trace } from './logger.ts' | ||
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| // things are wonky with hash routes for deregistering. | ||
| export function isDeregisterRequest (url: string): boolean { | ||
| const urlObj = new URL(url) | ||
| const result = urlObj.search.includes('ipfs-sw-deregister') | ||
| trace('isDeregisterRequest: ', url, result) | ||
| return result | ||
| } | ||
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| export function getRedirectUrl (url: string): URL { | ||
| const redirectUrl = new URL(url) | ||
| redirectUrl.search = '' | ||
| redirectUrl.hash = '#/ipfs-sw-config' | ||
| return redirectUrl | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| export type BaseDbConfig = Record<string, any> | ||
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| type DbKeys<T extends BaseDbConfig> = (keyof T) | ||
| type validDbKey<T extends BaseDbConfig, K> = K extends IDBValidKey ? keyof T : never | ||
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| // eslint-disable-next-line @typescript-eslint/consistent-indexed-object-style | ||
| interface TypedIDBDatabase<T extends BaseDbConfig> extends IDBDatabase { | ||
| get<K extends keyof T>(key: validDbKey<T, K>): Promise<T[K]> | ||
| put<K extends DbKeys<T>>(value: T[K], key: validDbKey<T, K>): Promise<void> | ||
| store(name: string): IDBObjectStore | ||
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| } | ||
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| export class GenericIDB<T extends BaseDbConfig> { | ||
| private db: TypedIDBDatabase<T> | null = null | ||
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| constructor (private readonly dbName: string, private readonly storeName: string) { | ||
| } | ||
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| #openDatabase = async (): Promise<TypedIDBDatabase<T>> => { | ||
| return new Promise((resolve, reject) => { | ||
| const request = indexedDB.open(this.dbName, 1) | ||
| request.onerror = () => { reject(request.error) } | ||
| request.onsuccess = () => { resolve(request.result as TypedIDBDatabase<T>) } | ||
| request.onupgradeneeded = (event) => { | ||
| const db = request.result | ||
| db.createObjectStore(this.storeName) | ||
| } | ||
| }) | ||
| } | ||
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| async open (): Promise<void> { | ||
| this.db = await this.#openDatabase() | ||
| } | ||
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| async put <K extends keyof T>(key: any extends K ? never : K & IDBValidKey, value: any extends (K extends keyof T ? T[K] : never) ? never : T[K]): Promise<void> { | ||
| if (this.db == null) { | ||
| throw new Error('Database not opened') | ||
| } | ||
| const transaction = this.db.transaction(this.storeName, 'readwrite') | ||
| const store = transaction.objectStore(this.storeName) | ||
| const request = store.put(value, key) | ||
| return new Promise((resolve, reject) => { | ||
| request.onerror = () => { reject(request.error) } | ||
| request.onsuccess = () => { resolve() } | ||
| }) | ||
| } | ||
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| async get<K extends keyof T> (key: any extends T[K] ? never : K & IDBValidKey): Promise<K extends keyof T ? T[K] : never> { | ||
| if (this.db == null) { | ||
| throw new Error('Database not opened') | ||
| } | ||
| const transaction = this.db.transaction(this.storeName, 'readonly') | ||
| const store = transaction.objectStore(this.storeName) | ||
| const request = store.get(key) as IDBRequest<T[K]> | ||
| return new Promise((resolve, reject) => { | ||
| request.onerror = () => { reject(request.error) } | ||
| request.onsuccess = () => { resolve(request.result) } | ||
| }) | ||
| } | ||
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| close (): void { | ||
| if (this.db != null) { | ||
| this.db.close() | ||
| this.db = null | ||
| } | ||
| } | ||
| } |
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