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

packages/client/lib/commands/HSCAN.ts

@@ -0,0 +1,37 @@
+import { ScanOptions, pushScanArguments } from './generic-transformers';
+
+export const FIRST_KEY_INDEX = 1;
+
+export const IS_READ_ONLY = true;
+
+export function transformArguments(key: string, cursor: number, options?: ScanOptions): Array<string> {
+    return pushScanArguments([
+        'HSCAN',
+        key
+    ], cursor, options);
+}
+
+export interface HScanTuple {
+    field: string;
+    value: string;
+}
+
+interface HScanReply {
+    cursor: number;
+    tuples: Array<HScanTuple>;
+}
+
+export function transformReply([cursor, rawTuples]: [string, Array<string>]): HScanReply {
+    const parsedTuples = [];
+    for (let i = 0; i < rawTuples.length; i += 2) {
+        parsedTuples.push({
+            field: rawTuples[i],
+            value: rawTuples[i + 1]
+        });
+    }
+
+    return {
+        cursor: Number(cursor),
+        tuples: parsedTuples
+    };
+}