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node-redis/examples/lua-multi-incr.js
Shaya Potter b2d35c5286 V5 bringing RESP3, Sentinel and TypeMapping to node-redis
RESP3 Support
   - Some commands responses in RESP3 aren't stable yet and therefore return an "untyped" ReplyUnion.
 
Sentinel

TypeMapping

Correctly types Multi commands

Note: some API changes to be further documented in v4-to-v5.md
2024-10-15 17:46:52 +03:00

28 lines
678 B
JavaScript

// Define a custome lua script that accepts two keys and an amount to
// increment each of them by
import { createClient, defineScript } from 'redis';
const client = createClient({
scripts: {
mincr: defineScript({
NUMBER_OF_KEYS: 2,
SCRIPT:
'return {' +
'redis.pcall("INCRBY", KEYS[1], ARGV[1]),' +
'redis.pcall("INCRBY", KEYS[2], ARGV[1])' +
'}',
transformArguments(key1, key2, increment) {
return [key1, key2, increment.toString()];
},
}),
},
});
await client.connect();
await client.set('mykey', '5');
console.log(await client.mincr('mykey', 'myotherkey', 10)); // [ 15, 10 ]
client.destroy();