chore(examples): fix examples for v5 (#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"
   }
 }
 

examples/search-hashes.js

@@ -1,7 +1,7 @@
 // This example demonstrates how to use RediSearch to index and query data 
 // stored in Redis hashes.
 
-import { createClient, SchemaFieldTypes } from 'redis';
+import { createClient, SCHEMA_FIELD_TYPE } from 'redis';
 
 const client = createClient();
 
@@ -12,11 +12,11 @@ try {
   // Documentation: https://redis.io/commands/ft.create/
   await client.ft.create('idx:animals', {
     name: {
-      type: SchemaFieldTypes.TEXT,
+      type: SCHEMA_FIELD_TYPE.TEXT,
       SORTABLE: true
     },
-    species: SchemaFieldTypes.TAG,
-    age: SchemaFieldTypes.NUMERIC
+    species: SCHEMA_FIELD_TYPE.TAG,
+    age: SCHEMA_FIELD_TYPE.NUMERIC
   }, {
     ON: 'HASH',
     PREFIX: 'noderedis:animals'

examples/search-json.js

@@ -3,7 +3,7 @@
 // https://redis.io/docs/stack/search/
 // https://redis.io/docs/stack/json/
 
-import { createClient, SchemaFieldTypes, AggregateGroupByReducers, AggregateSteps } from 'redis';
+import { createClient, SCHEMA_FIELD_TYPE, FT_AGGREGATE_GROUP_BY_REDUCERS, FT_AGGREGATE_STEPS } from 'redis';
 
 const client = createClient();
 
@@ -14,19 +14,19 @@ await client.connect();
 try {
   await client.ft.create('idx:users', {
     '$.name': {
-      type: SchemaFieldTypes.TEXT,
+      type: SCHEMA_FIELD_TYPE.TEXT,
       SORTABLE: true
     },
     '$.age': {
-      type: SchemaFieldTypes.NUMERIC,
+      type: SCHEMA_FIELD_TYPE.NUMERIC,
       AS: 'age'
     },
     '$.coins': {
-      type: SchemaFieldTypes.NUMERIC,
+      type: SCHEMA_FIELD_TYPE.NUMERIC,
       AS: 'coins'
     },
     '$.email': {
-      type: SchemaFieldTypes.TAG,
+      type: SCHEMA_FIELD_TYPE.TAG,
       AS: 'email'
     }
   }, {
@@ -119,13 +119,13 @@ console.log(
   JSON.stringify(
     await client.ft.aggregate('idx:users', '*', {
       STEPS: [{
-        type: AggregateSteps.GROUPBY,
+        type: FT_AGGREGATE_STEPS.GROUPBY,
         REDUCE: [{
-          type: AggregateGroupByReducers.AVG,
+          type: FT_AGGREGATE_GROUP_BY_REDUCERS.AVG,
           property: 'age',
           AS: 'averageAge'
         }, {
-          type: AggregateGroupByReducers.SUM,
+          type: FT_AGGREGATE_GROUP_BY_REDUCERS.SUM,
           property: 'coins',
           AS: 'totalCoins'
         }]

examples/search-knn.js

@@ -4,7 +4,7 @@
 // Inspired by RediSearch Python tests:
 // https://github.com/RediSearch/RediSearch/blob/06e36d48946ea08bd0d8b76394a4e82eeb919d78/tests/pytests/test_vecsim.py#L96
 
-import { createClient, SchemaFieldTypes, VectorAlgorithms } from 'redis';
+import { createClient, SCHEMA_FIELD_TYPE, SCHEMA_VECTOR_FIELD_ALGORITHM } from 'redis';
 
 const client = createClient();
 
@@ -15,8 +15,8 @@ try {
   // Documentation: https://redis.io/docs/stack/search/reference/vectors/
   await client.ft.create('idx:knn-example', {
     v: {
-      type: SchemaFieldTypes.VECTOR,
-      ALGORITHM: VectorAlgorithms.HNSW,
+      type: SCHEMA_FIELD_TYPE.VECTOR,
+      ALGORITHM: SCHEMA_VECTOR_FIELD_ALGORITHM.HNSW,
       TYPE: 'FLOAT32',
       DIM: 2,
       DISTANCE_METRIC: 'COSINE'

examples/set-scan.js

@@ -8,8 +8,14 @@ const client = createClient();
 await client.connect();
 
 const setName = 'setName';
-for await (const member of client.sScanIterator(setName)) {
-  console.log(member);
+
+for await (const members of client.sScanIterator(setName)) {
+  console.log('Batch of members:', members);
+
+  // Process each member in the batch if needed
+  for (const member of members) {
+    console.log('Individual member:', member);
+  }
 }
 
-client.destroy();
+client.close();

examples/sorted-set.js

@@ -24,8 +24,30 @@ await client.zAdd('mysortedset', [
 // Get all of the values/scores from the sorted set using
 // the scan approach:
 // https://redis.io/commands/zscan
-for await (const memberWithScore of client.zScanIterator('mysortedset')) {
-  console.log(memberWithScore);
+for await (const membersWithScores of client.zScanIterator('mysortedset')) {
+  console.log('Batch of members with scores:', membersWithScores);
+
+  for (const memberWithScore of membersWithScores) {
+    console.log('Individual member with score:', memberWithScore);
+  }
 }
 
-client.destroy();
+await client.zAdd('anothersortedset', [
+  {
+    score: 99,
+    value: 'Ninety Nine'
+  },
+  {
+    score: 102,
+    value: 'One Hundred and Two'
+  }
+]);
+
+// Intersection of two sorted sets
+const intersection = await client.zInter([
+  { key: 'mysortedset', weight: 1 },
+  { key: 'anothersortedset', weight: 1 }
+]);
+console.log('Intersection:', intersection);
+
+client.close();

examples/stream-consumer-group.js

@@ -20,7 +20,7 @@
 //
 // $ node stream-consumer-group.js consumer2
 
-import { createClient, commandOptions } from 'redis';
+import { createClient } from 'redis';
 
 const client = createClient();
 
@@ -46,14 +46,13 @@ try {
 
 console.log(`Starting consumer ${consumerName}.`);
 
+const pool = client.createPool();
+
 while (true) {
   try {
     // https://redis.io/commands/xreadgroup/
-    let response = await client.xReadGroup(
-      commandOptions({
-        isolated: true
-      }),
-      'myconsumergroup', 
+    let response = await pool.xReadGroup(
+      'myconsumergroup',
       consumerName, [
         // XREADGROUP can read from multiple streams, starting at a
         // different ID for each...
@@ -91,9 +90,10 @@ while (true) {
       // stream entry.
       // https://redis.io/commands/xack/
       const entryId = response[0].messages[0].id;
-      await client.xAck('mystream', 'myconsumergroup', entryId);
+      const ackResult = await pool.xAck('mystream', 'myconsumergroup', entryId);
 
-      console.log(`Acknowledged processing of entry ${entryId}.`);
+      // ackResult will be 1 if the message was successfully acknowledged, 0 otherwise
+      console.log(`Acknowledged processing of entry ${entryId}. Result: ${ackResult}`);
     } else {
       // Response is null, we have read everything that is
       // in the stream right now...

examples/time-series.js

@@ -2,7 +2,7 @@
 // Requires the RedisTimeSeries module: https://redis.io/docs/stack/timeseries/
 
 import { createClient } from 'redis';
-import { TimeSeriesDuplicatePolicies, TimeSeriesEncoding, TimeSeriesAggregationType } from '@redis/time-series';
+import { TIME_SERIES_DUPLICATE_POLICIES, TIME_SERIES_ENCODING, TIME_SERIES_AGGREGATION_TYPE } from '@redis/time-series';
 
 const client = createClient();
 
@@ -14,8 +14,8 @@ try {
   // https://redis.io/commands/ts.create/
   const created = await client.ts.create('mytimeseries', {
     RETENTION: 86400000, // 1 day in milliseconds
-    ENCODING: TimeSeriesEncoding.UNCOMPRESSED, // No compression
-    DUPLICATE_POLICY: TimeSeriesDuplicatePolicies.BLOCK // No duplicates
+    ENCODING: TIME_SERIES_ENCODING.UNCOMPRESSED, // No compression
+    DUPLICATE_POLICY: TIME_SERIES_DUPLICATE_POLICIES.BLOCK // No duplicates
   });
 
   if (created === 'OK') {
@@ -74,7 +74,7 @@ try {
   const rangeResponse = await client.ts.range('mytimeseries', fromTimestamp, toTimestamp, {
     // Group into 10 second averages.
     AGGREGATION: {
-      type: TimeSeriesAggregationType.AVERAGE,
+      type: TIME_SERIES_AGGREGATION_TYPE.AVG,
       timeBucket: 10000
     }
   });
@@ -119,4 +119,4 @@ try {
   console.error(e);
 }
 
-client.destroy();
+client.close();