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| // IndexedDB mínima: stores clave→valor. | |
| const NAME = 'elffuss-code', VERSION = 2; | |
| const STORES = ['kv', 'apps', 'tasks', 'vault', 'fs', 'memory']; | |
| let dbPromise = null; | |
| function open() { | |
| if (dbPromise) return dbPromise; | |
| dbPromise = new Promise((resolve, reject) => { | |
| const req = indexedDB.open(NAME, VERSION); | |
| req.onupgradeneeded = () => { | |
| for (const s of STORES) | |
| if (!req.result.objectStoreNames.contains(s)) req.result.createObjectStore(s); | |
| }; | |
| req.onsuccess = () => resolve(req.result); | |
| req.onerror = () => reject(req.error); | |
| }); | |
| return dbPromise; | |
| } | |
| function tx(store, mode, fn) { | |
| return open().then(db => new Promise((resolve, reject) => { | |
| const req = fn(db.transaction(store, mode).objectStore(store)); | |
| req.onsuccess = () => resolve(req.result); | |
| req.onerror = () => reject(req.error); | |
| })); | |
| } | |
| export const get = (store, key) => tx(store, 'readonly', s => s.get(key)); | |
| export const set = (store, key, val) => tx(store, 'readwrite', s => s.put(val, key)); | |
| export const del = (store, key) => tx(store, 'readwrite', s => s.delete(key)); | |
| export const keys = (store) => tx(store, 'readonly', s => s.getAllKeys()); | |
| export const all = (store) => tx(store, 'readonly', s => s.getAll()); | |