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

packages/client/lib/commands/ZUNIONSTORE.ts

@@ -0,0 +1,25 @@
+import { RedisCommandArguments } from '.';
+import { pushVerdictArgument } from './generic-transformers';
+
+export const FIRST_KEY_INDEX = 1;
+
+interface ZUnionOptions {
+    WEIGHTS?: Array<number>;
+    AGGREGATE?: 'SUM' | 'MIN' | 'MAX';
+}
+
+export function transformArguments(destination: string, keys: Array<string> | string, options?: ZUnionOptions): RedisCommandArguments {
+    const args = pushVerdictArgument(['ZUNIONSTORE', destination], keys);
+
+    if (options?.WEIGHTS) {
+        args.push('WEIGHTS', ...options.WEIGHTS.map(weight => weight.toString()));
+    }
+
+    if (options?.AGGREGATE) {
+        args.push('AGGREGATE', options.AGGREGATE);
+    }
+
+    return args;
+}
+
+export declare function transformReply(): number;