@authduo/authduo/x/tools/storage-signal.js

Free User-sovereign Authentication for the World

import { signal } from "@benev/slate";
export function storageSignal(key) {
    function load() {
        const value = localStorage.getItem(key);
        try {
            return value ? JSON.parse(value) : null;
        }
        catch {
            return null;
        }
    }
    const readable = signal(load());
    function save(value) {
        localStorage.setItem(key, JSON.stringify(value));
        readable.value = value;
    }
    function refresh() {
        return readable.value = load();
    }
    window.addEventListener("storage", refresh);
    return { signal: readable, save, refresh };
}
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