chore(examples): fix examples for v5 (redis#2938)

Author: nkaradzhov

examples/README.md

@@ -40,12 +40,12 @@ We'd love to see more examples here. If you have an idea that you'd like to see
 
 To set up the examples folder so that you can run an example / develop one of your own:
 
-```
-$ git clone https://github.com/redis/node-redis.git
-$ cd node-redis
-$ npm install -ws && npm run build-all
-$ cd examples
-$ npm install
+```bash
+git clone https://github.com/redis/node-redis.git
+cd node-redis
+npm install -ws && npm run build
+cd examples
+npm install
 ```
 
 ### Coding Guidelines for Examples
@@ -91,5 +91,5 @@ await client.connect();
 
 // Add your example code here...
 
-client.destroy();
+client.close();
 ```

examples/blocking-list-pop.js

@@ -4,16 +4,15 @@
 // The script will be blocked until the LPUSH command is executed.
 // After which we log the list and quit the client.
 
-import { createClient, commandOptions } from 'redis';
+import {  createClientPool } from 'redis';
 
-const client = createClient();
+const client = createClientPool();
 
 await client.connect();
 
 const keyName = 'keyName';
 
 const blpopPromise = client.blPop(
-  commandOptions({ isolated: true }),
   keyName,
   0
 );

examples/command-with-modifiers.js

@@ -1,7 +1,7 @@
 // Define a custom script that shows example of SET command
 // with several modifiers.
 
-import { createClient } from '../packages/client';
+import { createClient } from 'redis';
 
 const client = createClient();
 

examples/connect-to-cluster.js

@@ -1,7 +1,7 @@
 // This is an example script to connect to a running cluster.
 // After connecting to the cluster the code sets and get a value.
 
-// To setup this cluster you can follow the guide here: 
+// To setup this cluster you can follow the guide here:
 // https://redis.io/docs/manual/scaling/
 // In this guide the ports which are being used are 7000 - 7005
 
@@ -29,5 +29,4 @@ await cluster.connect();
 await cluster.set('hello', 'cluster');
 const value = await cluster.get('hello');
 console.log(value);
-
-await cluster.quit();
+await cluster.close();

examples/dump-and-restore.js

@@ -12,6 +12,12 @@ const client = await createClient({
   console.log('Redis Client Error', err);
 }).connect();
 
+// Make sure the source key exists
+await client.set('source', 'value');
+
+// Make sure destination doesnt exist
+await client.del('destination');
+
 // DUMP a specific key into a local variable
 const dump = await client.dump('source');
 

examples/get-server-time.js

@@ -6,7 +6,13 @@ const client = createClient();
 await client.connect();
 
 const serverTime = await client.time();
-// 2022-02-25T12:57:40.000Z { microseconds: 351346 }
+// In v5, TIME returns [unixTimestamp: string, microseconds: string] instead of Date
+// Example: ['1708956789', '123456']
 console.log(serverTime);
 
-client.destroy();
+// Convert to JavaScript Date if needed
+const [seconds, microseconds] = serverTime;
+const date = new Date(parseInt(seconds) * 1000 + parseInt(microseconds) / 1000);
+console.log('Converted to Date:', date);
+
+client.close();

examples/hyperloglog.js

@@ -9,7 +9,7 @@ const client = createClient();
 await client.connect();
 
 // Use `pfAdd` to add an element to a Hyperloglog, creating the Hyperloglog if necessary.
-// await client.pfAdd(key, value)
+// await client.pfAdd(key, value) // returns 1 or 0
 
 // To get a count, the `pfCount` method is used.
 // await client.pfCount(key)
@@ -48,4 +48,4 @@ try {
   console.error(e);
 }
 
-client.destroy();
+client.close();

examples/lua-multi-incr.js

@@ -12,9 +12,11 @@ const client = createClient({
         'redis.pcall("INCRBY", KEYS[1], ARGV[1]),' +
         'redis.pcall("INCRBY", KEYS[2], ARGV[1])' +
         '}',
-      transformArguments(key1, key2, increment) {
-        return [key1, key2, increment.toString()];
-      },
+        parseCommand(parser, key1, key2, increment) {
+          parser.pushKey(key1);
+          parser.pushKey(key2);
+          parser.push(increment.toString());
+        },
     }),
   },
 });

examples/managing-json.js

@@ -57,7 +57,7 @@ results = await client.json.get('noderedis:jsondata', {
 });
 
 // Goldie is 3 years old now.
-console.log(`Goldie is ${JSON.stringify(results[0])} years old now.`);
+console.log(`Goldie is ${JSON.parse(results)[0]} years old now.`);
 
 // Add a new pet...
 await client.json.arrAppend('noderedis:jsondata', '$.pets', {
@@ -68,9 +68,14 @@ await client.json.arrAppend('noderedis:jsondata', '$.pets', {
 });
 
 // How many pets do we have now?
-const numPets = await client.json.arrLen('noderedis:jsondata', '$.pets');
+const numPets = await client.json.arrLen('noderedis:jsondata', { path: '$.pets' });
 
 // We now have 4 pets.
 console.log(`We now have ${numPets} pets.`);
 
-client.destroy();
+const rex = { name: 'Rex', species: 'dog', age: 3, isMammal: true }
+
+const index = await client.json.arrIndex( 'noderedis:jsondata', '$.pets', rex);
+console.log(`Rex is at index ${index}`);
+
+client.close();

examples/package.json

@@ -1,12 +1,12 @@
 {
   "name": "node-redis-examples",
   "version": "1.0.0",
-  "description": "node-redis 4 example script",
+  "description": "node-redis 5 example script",
   "main": "index.js",
   "private": true,
   "type": "module",
   "dependencies": {
-    "redis": "../packages/client"
+    "redis": "../packages/redis"
   }
 }