Update doctest client with latest v4 release (#2844)

examples/README.md

@@ -3,7 +3,7 @@
 This folder contains example scripts showing how to use Node Redis in different scenarios.
 
 | File Name                                | Description                                                                                                                                          |
-| ---------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- |
+|------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `blocking-list-pop.js`                   | Block until an element is pushed to a list.                                                                                                          |
 | `bloom-filter.js`                        | Space efficient set membership checks with a [Bloom Filter](https://en.wikipedia.org/wiki/Bloom_filter) using [RedisBloom](https://redisbloom.io).   |
 | `check-connection-status.js`             | Check the client's connection status.                                                                                                                |
@@ -12,6 +12,7 @@ This folder contains example scripts showing how to use Node Redis in different
 | `connect-to-cluster.js`                  | Connect to a Redis cluster.                                                                                                                          |
 | `count-min-sketch.js`                    | Estimate the frequency of a given event using the [RedisBloom](https://redisbloom.io) Count-Min Sketch.                                              |
 | `cuckoo-filter.js`                       | Space efficient set membership checks with a [Cuckoo Filter](https://en.wikipedia.org/wiki/Cuckoo_filter) using [RedisBloom](https://redisbloom.io). |
+| `dump-and-restore.js`                    | Demonstrates the use of the [`DUMP`](https://redis.io/commands/dump/) and [`RESTORE`](https://redis.io/commands/restore/) commands                   |
 | `get-server-time.js`                     | Get the time from the Redis server.                                                                                                                  |
 | `hyperloglog.js`                         | Showing use of Hyperloglog commands [PFADD, PFCOUNT and PFMERGE](https://redis.io/commands/?group=hyperloglog).                                      |
 | `lua-multi-incr.js`                      | Define a custom lua script that allows you to perform INCRBY on multiple keys.                                                                       |

examples/dump-and-restore.js

@@ -0,0 +1,22 @@
+// This example demonstrates the use of the DUMP and RESTORE commands
+
+import { commandOptions, createClient } from 'redis';
+
+const client = createClient();
+await client.connect();
+
+// DUMP a specific key into a local variable
+const dump = await client.dump(
+    commandOptions({ returnBuffers: true }),
+    'source'
+);
+
+// RESTORE into a new key
+await client.restore('destination', 0, dump);
+
+// RESTORE and REPLACE an existing key
+await client.restore('destination', 0, dump, {
+    REPLACE: true
+});
+
+await client.quit();

examples/search-hashes.js

@@ -13,7 +13,7 @@ try {
   await client.ft.create('idx:animals', {
     name: {
       type: SchemaFieldTypes.TEXT,
-      sortable: true
+      SORTABLE: true
     },
     species: SchemaFieldTypes.TAG,
     age: SchemaFieldTypes.NUMERIC

examples/search-json.js

@@ -15,7 +15,7 @@ try {
   await client.ft.create('idx:users', {
     '$.name': {
       type: SchemaFieldTypes.TEXT,
-      SORTABLE: 'UNF'
+      SORTABLE: true
     },
     '$.age': {
       type: SchemaFieldTypes.NUMERIC,