25 lines
563 B
TypeScript
25 lines
563 B
TypeScript
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import { KeyValueStorage } from "./basic";
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/**
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* Key-value store
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*/
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export class BrowserLocalStorage implements KeyValueStorage {
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constructor() {
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if (typeof localStorage == "undefined" || !localStorage) {
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throw new Error("localStorage not available");
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}
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}
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async get(key: string): Promise<string | null> {
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return localStorage.getItem(key);
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}
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async set(key: string, value: string | null): Promise<void> {
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if (value === null) {
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localStorage.removeItem(key);
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} else {
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localStorage.setItem(key, value);
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}
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}
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}
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