@quasar/app/lib/webpack/inject.client-specifics.js

module.exports = function (chain) {
  chain.node
    .merge({
      // prevent webpack from injecting useless setImmediate polyfill because Vue
      // source contains it (although only uses it if it's native).
      setImmediate: false,
      // process is injected via DefinePlugin, although some 3rd party
      // libraries may require a mock to work properly (#934)
      process: 'mock',
      // prevent webpack from injecting mocks to Node native modules
      // that does not make sense for the client
      dgram: 'empty',
      fs: 'empty',
      net: 'empty',
      tls: 'empty',
      child_process: 'empty'
    })
}