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

packages/client/lib/commands/SCAN.ts

@@ -0,0 +1,28 @@
+import { ScanOptions, pushScanArguments } from './generic-transformers';
+
+export const IS_READ_ONLY = true;
+export interface ScanCommandOptions extends ScanOptions {
+    TYPE?: string;
+}
+
+export function transformArguments(cursor: number, options?: ScanCommandOptions): Array<string> {
+    const args = pushScanArguments(['SCAN'], cursor, options);
+
+    if (options?.TYPE) {
+        args.push('TYPE', options.TYPE);
+    }
+
+    return args;
+}
+
+export interface ScanReply {
+    cursor: number;
+    keys: Array<string>;
+}
+
+export function transformReply([cursor, keys]: [string, Array<string>]): ScanReply {
+    return {
+        cursor: Number(cursor),
+        keys
+    };
+}