Adds command-with-modifiers example. (redis#1688)

Author: rohan201

examples/README.md

@@ -2,9 +2,10 @@
 
 This folder contains example scripts showing how to use Node Redis in different scenarios.
 
-| File Name                | Description                          |
-|--------------------------|--------------------------------------|
-| `connect-as-acl-user.js` | Connect to Redis 6 using an ACL user |
+| File Name                   | Description                                                         |
+|-----------------------------|---------------------------------------------------------------------|
+| `connect-as-acl-user.js`    | Connect to Redis 6 using an ACL user                                |
+| `command-with-modifiers.js` | Define a script that allows to run a command with several modifiers |
 
 ## Contributing
 

examples/command-with-modifiers.js

@@ -0,0 +1,27 @@
+// Define a custom script that shows example of SET command
+// with several modifiers.
+
+import { createClient } from 'redis';
+
+async function commandWithModifiers() {
+  const client = createClient();
+
+  await client.connect();
+
+  await client.set('mykey', 'myvalue', {
+    EX: 60,
+  });
+
+  const value = await client.get('mykey');
+
+  await client.set('mykey', 'newvalue', {
+    EX: 60
+  });
+
+  const value = await client.get('mykey');
+
+  await client.quit();
+}
+
+commandWithModifiers();
+