use dockers for tests, use npm workspaces, add rejson & redisearch modules, fix some bugs

packages/client/lib/commands/COPY.ts

@@ -0,0 +1,22 @@
+interface CopyCommandOptions {
+    destinationDb?: number;
+    replace?: boolean;
+}
+
+export const FIRST_KEY_INDEX = 1;
+
+export function transformArguments(source: string, destination: string, options?: CopyCommandOptions): Array<string> {
+    const args = ['COPY', source, destination];
+
+    if (options?.destinationDb) {
+        args.push('DB', options.destinationDb.toString());
+    }
+
+    if (options?.replace) {
+        args.push('REPLACE');
+    }
+
+    return args;
+}
+
+export { transformReplyBoolean as transformReply } from './generic-transformers';