Listening on port 3000
/backend/node_modules/ioredis/built/Command.js:43
        this.args = args.flat();
                         ^

TypeError: args.flat is not a function
    at new Command (/Users/apple/Desktop/bbs-backend/node_modules/ioredis/built/Command.js:43:26)
    at EventEmitter.info (/Users/apple/Desktop/bbs-backend/node_modules/ioredis/built/utils/Commander.js:92:13)
    at EventEmitter._readyCheck (/Users/apple/Desktop/bbs-backend/node_modules/ioredis/built/Redis.js:623:14)
    at Socket.<anonymous> (/Users/apple/Desktop/bbs-backend/node_modules/ioredis/built/redis/event_handler.js:58:18)
    at Object.onceWrapper (events.js:273:13)
    at Socket.emit (events.js:187:15)
    at Socket.EventEmitter.emit (domain.js:442:20)
    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1099:10)

1. reinstall npm packages & restart redis server - not working

CodePudding user response：

I was use node v10.11.0 at the time. After I updated Node to v12.18.4, everything is now in working good.

CodePudding user response：

Actually it is caused by your current node version so,please upgrade your current node version.To update, you can run following command on your terminal .

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
source ~/.bashrc
nvm list-remote
nvm install v14.17.6

$ sudo npm install -g n