Redis redis.createClient() in Typescript

user_13962352 0
Viewed 4984

I was trying to connect Redis (v4.0.1) to my express server with typescript but having a bit issue. Am learning typescript. It's showing redlines on host inside redis.createClient() Can anyone help me out?

const host = process.env.REDIS_HOST;
const port = process.env.REDIS_PORT;
const redisClient = redis.createClient({
  host,
  port,
});

Argument of type '{ host: string | undefined; port: string | undefined; }' is not assignable to parameter of type 'Omit<RedisClientOptions<never, RedisScripts>, "modules">'.
  Object literal may only specify known properties, and 'host' does not exist in type 'Omit<RedisClientOptions<never, RedisScripts>, "modules">'.ts(2345)
node-redis typescript express redis node.js
3 Answers

Options have changed when redis updated to 4.0.1. This should help you.

user_98811060

This works as expected (redis v4.1.0)

const url = process.env.REDIS_URL || 'redis://localhost:6379';
const redisClient = redis.createClient({
    url
});
user_1980870 
import { createClient } from 'redis';

const client = createClient({
    socket: {
        host: process.env.REDIS_HOST,
        port: parseInt(process.env.REDIS_PORT)
    },
    password: process.env.REDIS_PW
});

client.on('error', (err) => console.error(err));
client.connect();

export { client };
user_102628050
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