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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 11x 4x 2x 2x 13x 1x 12x 4x 3x 8x 8x 7x 3x 1x | import type { Baggage } from '@metamask/ocap-kernel';
import type { Json } from '@metamask/utils';
import type { StorageAdapter } from '../../controllers/storage/types.ts';
/**
* Create a StorageAdapter implementation backed by vat baggage.
* Provides synchronous persistence (baggage writes are durable).
*
* @param baggage - The vat baggage store.
* @returns A StorageAdapter backed by baggage.
*/
export function makeBaggageStorageAdapter(baggage: Baggage): StorageAdapter {
return harden({
async get<Value extends Json>(key: string): Promise<Value | undefined> {
if (baggage.has(key)) {
return baggage.get(key) as Value;
}
return undefined;
},
async set(key: string, value: Json): Promise<void> {
if (baggage.has(key)) {
baggage.set(key, harden(value));
} else {
baggage.init(key, harden(value));
}
},
async delete(key: string): Promise<void> {
if (baggage.has(key)) {
baggage.delete(key);
}
},
async keys(prefix?: string): Promise<string[]> {
const allKeys = [...baggage.keys()];
if (!prefix) {
return allKeys;
}
return allKeys.filter((k) => k.startsWith(prefix));
},
});
}
harden(makeBaggageStorageAdapter);
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