old_contents: import Vue from 'vue'
  import Vuex from 'vuex'
  import getters from './getters'
  
  Vue.use(Vuex)
  
  // https://webpack.js.org/guides/dependency-management/#requirecontext
  const modulesFiles = require.context('./modules', false, /\.js$/)
  
  // you do not need `import app from './modules/app'`
  // it will auto require all vuex module from modules file
  const modules = modulesFiles.keys().reduce((modules, modulePath) => {
    // set './app.js' => 'app'
    const moduleName = modulePath.replace(/^\.\/(.*)\.\w+$/, '$1')
    const value = modulesFiles(modulePath)
    modules[moduleName] = value.default
    return modules
  }, {})
  
  const store = new Vuex.Store({
    modules,
    getters
  })
  
  export default store
  
new_contents: import Vue from 'vue'
  import Vuex from 'vuex'
  import getters from './getters'
  
  Vue.use(Vuex)
  
  // https://webpack.js.org/guides/dependency-management/#requirecontext
  const modulesFiles = require.context('./modules', true, /\.js$/)
  
  // you do not need `import app from './modules/app'`
  // it will auto require all vuex module from modules file
  const modules = modulesFiles.keys().reduce((modules, modulePath) => {
    // set './app.js' => 'app'
    const moduleName = modulePath.replace(/^\.\/(.*)\.\w+$/, '$1')
    const value = modulesFiles(modulePath)
    modules[moduleName] = value.default
    return modules
  }, {})
  
  const store = new Vuex.Store({
    modules,
    getters
  })
  
  export default store
  
subject: add support to sub-modules (#2047)