feat: Update KeyValueStorage interface with entries function

src/storage/keyvalue/JsonResourceStorage.ts

@@ -1,6 +1,7 @@
 import { BasicRepresentation } from '../../ldp/representation/BasicRepresentation';
 import type { ResourceIdentifier } from '../../ldp/representation/ResourceIdentifier';
 import { NotFoundHttpError } from '../../util/errors/NotFoundHttpError';
+import { NotImplementedHttpError } from '../../util/errors/NotImplementedHttpError';
 import { readableToString } from '../../util/StreamUtil';
 import type { ResourceStore } from '../ResourceStore';
 import type { KeyValueStorage } from './KeyValueStorage';
@@ -61,4 +62,9 @@ export class JsonResourceStorage implements KeyValueStorage<ResourceIdentifier,
       return false;
     }
   }
+
+  public entries(): never {
+    // We don't know which resources are in the store
+    throw new NotImplementedHttpError();
+  }
 }

src/storage/keyvalue/KeyValueStorage.ts

@@ -33,4 +33,9 @@ export interface KeyValueStorage<TKey, TValue> {
    * @returns If there was a value to delete.
    */
   delete: (key: TKey) => Promise<boolean>;
+
+  /**
+   * An iterable of entries in the storage.
+   */
+  entries: () => AsyncIterableIterator<[TKey, TValue]>;
 }

src/storage/keyvalue/MemoryMapStorage.ts

@@ -28,4 +28,10 @@ export class MemoryMapStorage<TKey, TValue> implements KeyValueStorage<TKey, TVa
   public async delete(key: TKey): Promise<boolean> {
     return this.data.delete(key);
   }
+
+  public async* entries(): AsyncIterableIterator<[TKey, TValue]> {
+    for (const entry of this.data.entries()) {
+      yield entry;
+    }
+  }
 }

src/storage/keyvalue/ResourceIdentifierStorage.ts

@@ -30,4 +30,10 @@ export class ResourceIdentifierStorage<T> implements KeyValueStorage<ResourceIde
   public async delete(key: ResourceIdentifier): Promise<boolean> {
     return this.source.delete(key.path);
   }
+
+  public async* entries(): AsyncIterableIterator<[ResourceIdentifier, T]> {
+    for await (const [ path, value ] of this.source.entries()) {
+      yield [{ path }, value ];
+    }
+  }
 }