52 lines
1.5 KiB
TypeScript
52 lines
1.5 KiB
TypeScript
import { KeyValueStorage, MemoryStorage, RefScopedStorage, ScopedStorage } from "./basic";
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import { BrowserLocalStorage } from "./browser";
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import { NodeDirectoryStorage } from "./node";
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import { RestRemoteStorage } from "./remote";
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/**
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* Base type for storage usage
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*/
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export type TKStorage = KeyValueStorage
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/**
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* Exposed classes
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*/
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export { MemoryStorage, ScopedStorage, RefScopedStorage, BrowserLocalStorage, NodeDirectoryStorage, RestRemoteStorage };
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/**
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* Get the best "local" storage available
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*/
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export function getLocalStorage(appname: string): TKStorage {
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try {
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return new ScopedStorage(new BrowserLocalStorage(), appname);
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} catch {
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try {
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return new NodeDirectoryStorage(appname);
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} catch {
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console.warn("No persistent storage available, using in-memory volatile storage");
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return new MemoryStorage();
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}
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}
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}
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/**
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* Get a remote storage, based on an URI
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*
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* If *shared* is set to true, a namespace will be used to avoid collisions, using getLocalStorage to persist it
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*/
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export function getRemoteStorage(appname: string, uri: string, options = { shared: false }): TKStorage {
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let storage: TKStorage = new RestRemoteStorage(appname, uri);
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storage = new ScopedStorage(storage, appname);
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if (options.shared) {
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storage = new RefScopedStorage(getLocalStorage(appname), storage);
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}
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return storage;
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}
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/**
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* Get a in-memory volatile storage
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*/
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export function getMemoryStorage(): TKStorage {
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return new MemoryStorage();
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}
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