this.client.del is not a function about connect-redis HOT 1 CLOSED

const redis = require("redis");
var RedisStore = require('connect-redis')(session);

const redisClient = redis.createClient({
    url: `redis://${config.redis.host}:${config.redis.port}`,
    legacyMode: true
});

redisClient.connect().catch(console.error)

var redisStore = new RedisStore({
    client: redisClient, 
    logErrors: true,
});