How to use the "setup"

[wengcd]

https://github.com/vuejs/vue-cli/blob/master/docs/build.md#setup

witch file could be written?

module.exports = {
  setup(app) {
    app.get('/api', (req, res) => {
      res.end('This is the API')
    })
  }
}

[LinusBorg]

Are you asking into what file you should add this code? Thius is explained here:

https://github.com/vuejs/vue-cli/blob/master/docs/build.md#configuration-files

[wengcd]

I mean how to mock api

[LinusBorg]

Then you might rather look at the proxy option:

https://github.com/vuejs/vue-cli/blob/master/docs/build.md#proxy