module.exports = function (ctx) { // can be async too
  console.log(ctx)

  // Example output on console:
  {
    dev: true,
    prod: false,
    mode: { spa: true },
    modeName: 'spa',
    target: {},
    targetName: undefined,
    arch: {},
    archName: undefined,
    debug: undefined
  }

  // context gets generated based on the parameters
  // with which you run "quasar dev" or "quasar build"
}

module.exports = function (ctx) {
  extras: [
    ctx.mode.pwa // we're adding only if working on a PWA
      ? 'roboto-font'
      : null
  ]
}

module.exports = function (ctx) {
  css: [
    ctx.mode.spa ? 'app-spa.sass' : null, // looks for /src/css/app-spa.sass
    ctx.mode.cordova ? 'app-cordova.sass' : null  // looks for /src/css/app-cordova.sass
  ]
}

module.exports = function (ctx) {
  devServer: {
    port: ctx.mode.spa
      ? 8000
      : (ctx.mode.pwa ? 9000 : 9090)
  }
}

module.exports = async function (ctx) {
  const data = await someAsyncFunction()
  return {
    // ... use "data"
  }
}

// or:
module.exports = function (ctx) {
  return new Promise(resolve => {
    // some async work then:
    // resolve() with the quasar config
    resolve({
      //
    })
  })
}

const { configure } = require('quasar/wrappers')

module.exports = configure(function (ctx) {
  /* configuration options */
})

return {
  css: [
    'app.sass', // referring to /src/css/app.sass
    '~some-library/style.css' // referring to node_modules/some-library/style.css
  ]
}

return {
  vendor: {
    /* optional;
       disables vendor chunk: */ disable: true,

    add: [ 'src/plugins/my-special-plugin' ],
    remove: ['axios', 'vue$']
  }
}

return {
  // a list with all options (all are optional)
  framework: {
    // is using "auto" import strategy, you can also configure:
    autoImportComponentCase: 'pascal', // or 'kebab' (default) or 'combined'

    // For special cases outside of where auto-import can have an impact
    // (example: vue components written in .js files instead of .vue),
    // you can manually specify Quasar components/directives to be available everywhere:
    //
    // components: [],
    // directives: [],

    // Quasar plugins
    plugins: ['Notify' /* ... */],

    // Quasar config
    // You'll see this mentioned for components/directives/plugins which use it
    config: { /* ... */ },

    iconSet: 'fontawesome-v6', // requires icon library to be specified in "extras" section too,
    lang: 'de', // Tell Quasar which language pack to use for its own components

    cssAddon: true // Adds the flex responsive++ CSS classes (noticeable bump in footprint)
  }
}

// (syntax below requires @quasar/app-webpack v3.3+)

// opens Google Chrome
devServer: {
  open: {
    app: { name: 'google chrome' }
  }
}

// opens Firefox
devServer: {
  open: {
    app: { name: 'firefox' }
  }
}

// opens Google Chrome and automatically deals with cross-platform issues:
const open = require('open')

devServer: {
  open: {
    app: { name: open.apps.chrome }
  }
}

devServer: {
  server: {
    type: 'https', // NECESSARY (alternative is type 'http')

    options: {
      // Use ABSOLUTE paths or path.join(__dirname, 'root/relative/path')
      key: "/path/to/server.key",
      pfx: "/path/to/server.pfx",
      cert: "/path/to/server.crt",
      ca: "/path/to/ca.pem",
      passphrase: 'webpack-dev-server' // do you need it?
    }
  }
}

devServer: {
  vueDevtools: true
}

build: {
  // ...
  extendWebpack(cfg) {
    cfg.watchOptions = {
      aggregateTimeout: 200,
      poll: 1000,
    };
  },
// ...

module.exports = function (ctx) {
  return {
    htmlVariables: {
      title: 'test name',
      some: {
        prop: 'my-prop'
      }
    }

<%= title %>
<%= some.prop %>

// default values:
sourceFiles: {
  rootComponent: 'src/App.vue',
  router: 'src/router',
  store: 'src/store',
  indexHtmlTemplate: 'src/index.template.html',
  registerServiceWorker: 'src-pwa/register-service-worker.js',
  serviceWorker: 'src-pwa/custom-service-worker.js',
  electronMain: 'src-electron/electron-main.js',
  electronPreload: 'src-electron/electron-preload.js'
}