KV Primitives refactor and in-memory version

plugos/lib/kv_primitives.ts

@@ -11,46 +11,3 @@ export interface KvPrimitives {
   query(options: KvQueryOptions): AsyncIterableIterator<KV>;
   close(): void;
 }
-
-/**
- * Turns any KvPrimitives into a KvPrimitives that automatically prefixes all keys (and removes them again when reading)
- */
-export class PrefixedKvPrimitives implements KvPrimitives {
-  constructor(private wrapped: KvPrimitives, private prefix: KvKey) {
-  }
-
-  batchGet(keys: KvKey[]): Promise<any[]> {
-    return this.wrapped.batchGet(keys.map((key) => this.applyPrefix(key)));
-  }
-
-  batchSet(entries: KV[]): Promise<void> {
-    return this.wrapped.batchSet(
-      entries.map(({ key, value }) => ({ key: this.applyPrefix(key), value })),
-    );
-  }
-
-  batchDelete(keys: KvKey[]): Promise<void> {
-    return this.wrapped.batchDelete(keys.map((key) => this.applyPrefix(key)));
-  }
-
-  async *query(options: KvQueryOptions): AsyncIterableIterator<KV> {
-    for await (
-      const result of this.wrapped.query({
-        prefix: this.applyPrefix(options.prefix),
-      })
-    ) {
-      yield { key: this.stripPrefix(result.key), value: result.value };
-    }
-  }
-  close(): void {
-    this.wrapped.close();
-  }
-
-  private applyPrefix(key?: KvKey): KvKey {
-    return [...this.prefix, ...(key ? key : [])];
-  }
-
-  private stripPrefix(key: KvKey): KvKey {
-    return key.slice(this.prefix.length);
-  }
-}