config webpack filename [hash] error

[jason-ivy]

next.config.js

webpack: (config, { dev }) => {
    config.output.publicPath = ''
    config.output.filename = '[name].[hash].js'
    return config
  }

the error mssage:

Using "webpack" config function defined in next.config.js.
(node:11216) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): TypeError: Cannot read property 'source' of undefined

[timneutkens]

@jason-ivy I don't follow what you want to do. We have cache invalidation built into Next.js 😄 no hashes needed.

[edwardfxiao]

@timneutkens
i think what he wants to do is to change

to

to

and how to achieve this? How to append the hash to those files?

[timneutkens]

You can't right now. Eventually we'll implement that.

[edwardfxiao]

Hi, @timneutkens can you give us a hint when this hash thing implemented?