Updating the whole project to newer frontend-libraries & Switching from Karma to Jest:

"karma": "^1.4.1", --> "jest": "^22.0.4", (+ "vue-jest")

Big Webpack & Node update:
"webpack": "^2.6.1", --> "webpack": "^3.6.0",
"node": ">= 4.0.0", --> "node": ">= 6.0.0",

Also updated (among others):
"vue-router": "^2.7.0" --> "vue-router": "^3.0.1"
"axios": "^0.16.2",
"bootstrap": "^4.1.0",
"bootstrap-vue": "^1.5.1",
"jquery": "^3.3.1",

"babel-eslint": "^7.1.1", --> "babel-eslint": "^8.2.1",
"file-loader": "^0.11.1", --> "file-loader": "^1.1.4",

Author: jonashackt

frontend/.babelrc

@@ -8,11 +8,11 @@
     }],
     "stage-2"
   ],
-  "plugins": ["transform-runtime"],
+  "plugins": ["transform-vue-jsx", "transform-runtime"],
   "env": {
     "test": {
       "presets": ["env", "stage-2"],
-      "plugins": ["istanbul"]
+      "plugins": ["transform-vue-jsx", "transform-es2015-modules-commonjs", "dynamic-import-node"]
     }
   }
 }

frontend/.eslintignore

@@ -1,2 +1,5 @@
-build/*.js
-config/*.js
+/build/
+/config/
+/dist/
+/*.js
+/test/unit/coverage/

frontend/.eslintrc.js

@@ -1,27 +1,29 @@
-// http://eslint.org/docs/user-guide/configuring
+// https://eslint.org/docs/user-guide/configuring
 
 module.exports = {
   root: true,
-  parser: 'babel-eslint',
   parserOptions: {
-    sourceType: 'module'
+    parser: 'babel-eslint'
   },
   env: {
     browser: true,
   },
-  // https://github.com/standard/standard/blob/master/docs/RULES-en.md
-  extends: 'standard',
+  extends: [
+    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
+    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
+    'plugin:vue/essential', 
+    // https://github.com/standard/standard/blob/master/docs/RULES-en.md
+    'standard'
+  ],
   // required to lint *.vue files
   plugins: [
-    'html'
+    'vue'
   ],
   // add your custom rules here
-  'rules': {
-    // allow paren-less arrow functions
-    'arrow-parens': 0,
+  rules: {
     // allow async-await
-    'generator-star-spacing': 0,
+    'generator-star-spacing': 'off',
     // allow debugger during development
-    'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off'
   }
 }

frontend/.gitignore

@@ -1,15 +1,16 @@
 .DS_Store
 node_modules/
-dist/
+/dist/
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
-test/unit/coverage
-test/e2e/reports
+/test/unit/coverage/
+/test/e2e/reports/
 selenium-debug.log
 
 # Editor directories and files
 .idea
+.vscode
 *.suo
 *.ntvs*
 *.njsproj

frontend/.postcssrc.js

@@ -0,0 +1,10 @@
+// https://github.com/michael-ciniawsky/postcss-load-config
+
+module.exports = {
+  "plugins": {
+    "postcss-import": {},
+    "postcss-url": {},
+    // to edit target browsers: use "browserslist" field in package.json
+    "autoprefixer": {}
+  }
+}

frontend/build/build.js

@@ -1,27 +1,28 @@
+'use strict'
 require('./check-versions')()
 
 process.env.NODE_ENV = 'production'
 
-var ora = require('ora')
-var rm = require('rimraf')
-var path = require('path')
-var chalk = require('chalk')
-var webpack = require('webpack')
-var config = require('../config')
-var webpackConfig = require('./webpack.prod.conf')
+const ora = require('ora')
+const rm = require('rimraf')
+const path = require('path')
+const chalk = require('chalk')
+const webpack = require('webpack')
+const config = require('../config')
+const webpackConfig = require('./webpack.prod.conf')
 
-var spinner = ora('building for production...')
+const spinner = ora('building for production...')
 spinner.start()
 
 rm(path.join(config.build.assetsRoot, config.build.assetsSubDirectory), err => {
   if (err) throw err
-  webpack(webpackConfig, function (err, stats) {
+  webpack(webpackConfig, (err, stats) => {
     spinner.stop()
     if (err) throw err
     process.stdout.write(stats.toString({
       colors: true,
       modules: false,
-      children: false,
+      children: false, // If you are using ts-loader, setting this to true will make TypeScript errors show up during build.
       chunks: false,
       chunkModules: false
     }) + '\n\n')

frontend/build/check-versions.js

@@ -1,12 +1,14 @@
-var chalk = require('chalk')
-var semver = require('semver')
-var packageConfig = require('../package.json')
-var shell = require('shelljs')
+'use strict'
+const chalk = require('chalk')
+const semver = require('semver')
+const packageConfig = require('../package.json')
+const shell = require('shelljs')
+
 function exec (cmd) {
   return require('child_process').execSync(cmd).toString().trim()
 }
 
-var versionRequirements = [
+const versionRequirements = [
   {
     name: 'node',
     currentVersion: semver.clean(process.version),
@@ -23,9 +25,11 @@ if (shell.which('npm')) {
 }
 
 module.exports = function () {
-  var warnings = []
-  for (var i = 0; i < versionRequirements.length; i++) {
-    var mod = versionRequirements[i]
+  const warnings = []
+
+  for (let i = 0; i < versionRequirements.length; i++) {
+    const mod = versionRequirements[i]
+
     if (!semver.satisfies(mod.currentVersion, mod.versionRequirement)) {
       warnings.push(mod.name + ': ' +
         chalk.red(mod.currentVersion) + ' should be ' +
@@ -38,10 +42,12 @@ module.exports = function () {
     console.log('')
     console.log(chalk.yellow('To use this template, you must update following to modules:'))
     console.log()
-    for (var i = 0; i < warnings.length; i++) {
-      var warning = warnings[i]
+
+    for (let i = 0; i < warnings.length; i++) {
+      const warning = warnings[i]
       console.log('  ' + warning)
     }
+
     console.log()
     process.exit(1)
   }

frontend/build/dev-client.js

@@ -1,28 +1,38 @@
-var path = require('path')
-var config = require('../config')
-var ExtractTextPlugin = require('extract-text-webpack-plugin')
+'use strict'
+const path = require('path')
+const config = require('../config')
+const ExtractTextPlugin = require('extract-text-webpack-plugin')
+const packageConfig = require('../package.json')
 
 exports.assetsPath = function (_path) {
-  var assetsSubDirectory = process.env.NODE_ENV === 'production'
+  const assetsSubDirectory = process.env.NODE_ENV === 'production'
     ? config.build.assetsSubDirectory
     : config.dev.assetsSubDirectory
+
   return path.posix.join(assetsSubDirectory, _path)
 }
 
 exports.cssLoaders = function (options) {
   options = options || {}
 
-  var cssLoader = {
+  const cssLoader = {
     loader: 'css-loader',
     options: {
-      minimize: process.env.NODE_ENV === 'production',
+      sourceMap: options.sourceMap
+    }
+  }
+
+  const postcssLoader = {
+    loader: 'postcss-loader',
+    options: {
       sourceMap: options.sourceMap
     }
   }
 
   // generate loader string to be used with extract text plugin
   function generateLoaders (loader, loaderOptions) {
-    var loaders = [cssLoader]
+    const loaders = options.usePostCSS ? [cssLoader, postcssLoader] : [cssLoader]
+
     if (loader) {
       loaders.push({
         loader: loader + '-loader',
@@ -58,14 +68,34 @@ exports.cssLoaders = function (options) {
 
 // Generate loaders for standalone style files (outside of .vue)
 exports.styleLoaders = function (options) {
-  var output = []
-  var loaders = exports.cssLoaders(options)
-  for (var extension in loaders) {
-    var loader = loaders[extension]
+  const output = []
+  const loaders = exports.cssLoaders(options)
+
+  for (const extension in loaders) {
+    const loader = loaders[extension]
     output.push({
       test: new RegExp('\\.' + extension + '$'),
       use: loader
     })
   }
+
   return output
 }
+
+exports.createNotifierCallback = () => {
+  const notifier = require('node-notifier')
+
+  return (severity, errors) => {
+    if (severity !== 'error') return
+
+    const error = errors[0]
+    const filename = error.file && error.file.split('!').pop()
+
+    notifier.notify({
+      title: packageConfig.name,
+      message: severity + ': ' + error.name,
+      subtitle: filename || '',
+      icon: path.join(__dirname, 'logo.png')
+    })
+  }
+}

frontend/build/dev-server.js

@@ -1,16 +1,20 @@
-var utils = require('./utils')
-var config = require('../config')
-var isProduction = process.env.NODE_ENV === 'production'
+'use strict'
+const utils = require('./utils')
+const config = require('../config')
+const isProduction = process.env.NODE_ENV === 'production'
+const sourceMapEnabled = isProduction
+  ? config.build.productionSourceMap
+  : config.dev.cssSourceMap
 
 module.exports = {
   loaders: utils.cssLoaders({
-    sourceMap: isProduction
-      ? config.build.productionSourceMap
-      : config.dev.cssSourceMap,
+    sourceMap: sourceMapEnabled,
     extract: isProduction
   }),
+  cssSourceMap: sourceMapEnabled,
+  cacheBusting: config.dev.cacheBusting,
   transformToRequire: {
-    video: 'src',
+    video: ['src', 'poster'],
     source: 'src',
     img: 'src',
     image: 'xlink:href'