DefinePlugin karma-webpack configuration

karma.conf.js

'use strict'

// Set BABEL_ENV to use proper preset config
process.env.NODE_ENV = 'test'
process.env.BABEL_ENV = 'test'

const path = require('path')
const merge = require('webpack-merge')
const webpack = require('webpack')

const baseConfig = require('../../.electron-vue/webpack.renderer.config')
const projectRoot = path.resolve(__dirname, '../../src/renderer')

let webpackConfig = merge(baseConfig, {
  devtool: '#inline-source-map',
});

// don't treat dependencies as externals
delete webpackConfig.entry
delete webpackConfig.externals
delete webpackConfig.output.libraryTarget

// apply vue option to apply isparta-loader on js
webpackConfig.module.rules
  .find(rule => rule.use.loader === 'vue-loader').use.options.loaders.js = 'babel-loader'

module.exports = config => {
  config.set({
    browsers: ['visibleElectron'],
    client: {
      useIframe: false
    },
    coverageReporter: {
      dir: './coverage',
      reporters: [
        { type: 'lcov', subdir: '.' },
        { type: 'text-summary' }
      ]
    },
    customLaunchers: {
      'visibleElectron': {
        base: 'Electron',
        flags: ['--show']
      }
    },
    frameworks: ['mocha', 'chai'],
    files: ['./index.js'],
    preprocessors: {
      './index.js': ['webpack', 'sourcemap']
    },
    reporters: ['spec', 'coverage'],
    singleRun: true,
    webpack: webpackConfig,
    webpackMiddleware: {
      noInfo: true
    }
  })
}

package.json

{
"dependencies": {
    "bluebird": "^3.5.1",
    "electron-store": "^1.3.0",
    "enum-next": "^1.0.0",
    "fs-extra": "^4.0.2",
    "glob": "^7.1.2",
    "vue": "^2.3.3",
    "vue-electron": "^1.0.6",
    "vuex": "^2.3.1"
  },
  "devDependencies": {
    "babel-core": "^6.25.0",
    "babel-eslint": "^7.2.3",
    "babel-loader": "^7.1.1",
    "babel-plugin-istanbul": "^4.1.1",
    "babel-plugin-transform-runtime": "^6.23.0",
    "babel-preset-env": "^1.6.0",
    "babel-preset-stage-0": "^6.24.1",
    "babel-register": "^6.24.1",
    "babili-webpack-plugin": "^0.1.2",
    "cfonts": "^1.1.3",
    "chai": "^4.0.0",
    "chalk": "^2.1.0",
    "copy-webpack-plugin": "^4.0.1",
    "cross-env": "^5.0.5",
    "css-loader": "^0.28.4",
    "cz-conventional-changelog": "^2.1.0",
    "del": "^3.0.0",
    "devtron": "^1.4.0",
    "electron": "^1.7.5",
    "electron-builder": "^19.19.1",
    "electron-debug": "^1.4.0",
    "electron-devtools-installer": "^2.2.1",
    "eslint": "^4.4.1",
    "eslint-config-airbnb-base": "^11.2.0",
    "eslint-friendly-formatter": "^3.0.0",
    "eslint-import-resolver-webpack": "^0.8.1",
    "eslint-loader": "^1.9.0",
    "eslint-plugin-html": "^3.1.1",
    "eslint-plugin-import": "^2.2.0",
    "extract-text-webpack-plugin": "^3.0.0",
    "file-loader": "^0.11.2",
    "html-webpack-plugin": "^2.30.1",
    "inject-loader": "^3.0.0",
    "karma": "^2.0.0",
    "karma-chai": "^0.1.0",
    "karma-coverage": "^1.1.1",
    "karma-electron": "^5.2.2",
    "karma-mocha": "^1.3.0",
    "karma-sourcemap-loader": "^0.3.7",
    "karma-spec-reporter": "^0.0.32",
    "karma-webpack": "^2.0.9",
    "mocha": "^3.0.2",
    "multispinner": "^0.2.1",
    "node-loader": "^0.6.0",
    "require-dir": "^0.3.0",
    "spectron": "^3.7.1",
    "standard-version": "^4.3.0",
    "style-loader": "^0.18.2",
    "url-loader": "^0.5.9",
    "vue-html-loader": "^1.2.4",
    "vue-loader": "^13.0.5",
    "vue-style-loader": "^3.0.1",
    "vue-template-compiler": "^2.4.2",
    "webpack": "^3.5.2",
    "webpack-dev-server": "^2.7.1",
    "webpack-hot-middleware": "^2.18.2",
    "webpack-merge": "^4.1.0"
  }
}

webpack.renderer.config.js

'use strict'

process.env.BABEL_ENV = 'renderer'

const path = require('path')
const { dependencies } = require('../package.json')
const webpack = require('webpack')
const Bluebird = require('bluebird');

const BabiliWebpackPlugin = require('babili-webpack-plugin')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')

/**
 * List of node_modules to include in webpack bundle
 *
 * Required for specific packages like Vue UI libraries
 * that provide pure *.vue files that need compiling
 * https://simulatedgreg.gitbooks.io/electron-vue/content/en/webpack-configurations.html#white-listing-externals
 */
let whiteListedModules = ['vue']

let rendererConfig = {
  devtool: '#cheap-module-eval-source-map',
  entry: {
    renderer: path.join(__dirname, '../src/renderer/main.js')
  },
  externals: [
    ...Object.keys(dependencies || {}).filter(d => !whiteListedModules.includes(d))
  ],
  module: {
    rules: [
      {
        test: /\.(js|vue)$/,
        enforce: 'pre',
        exclude: /node_modules/,
        use: {
          loader: 'eslint-loader',
          options: {
            formatter: require('eslint-friendly-formatter')
          }
        }
      },
      {
        test: /\.css$/,
        use: ExtractTextPlugin.extract({
          fallback: 'style-loader',
          use: 'css-loader'
        })
      },
      {
        test: /\.html$/,
        use: 'vue-html-loader'
      },
      {
        test: /\.js$/,
        use: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.node$/,
        use: 'node-loader'
      },
      {
        test: /\.vue$/,
        use: {
          loader: 'vue-loader',
          options: {
            extractCSS: process.env.NODE_ENV === 'production',
            loaders: {
              sass: 'vue-style-loader!css-loader!sass-loader?indentedSyntax=1',
              scss: 'vue-style-loader!css-loader!sass-loader'
            }
          }
        }
      },
      {
        test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
        use: {
          loader: 'url-loader',
          query: {
            limit: 10000,
            name: 'imgs/[name]--[folder].[ext]'
          }
        }
      },
      {
        test: /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: 'media/[name]--[folder].[ext]'
        }
      },
      {
        test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
        use: {
          loader: 'url-loader',
          query: {
            limit: 10000,
            name: 'fonts/[name]--[folder].[ext]'
          }
        }
      }
    ]
  },
  node: {
    __dirname: process.env.NODE_ENV !== 'production',
    __filename: process.env.NODE_ENV !== 'production'
  },
  plugins: [
    new ExtractTextPlugin('styles.css'),
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: path.resolve(__dirname, '../src/index.ejs'),
      minify: {
        collapseWhitespace: true,
        removeAttributeQuotes: true,
        removeComments: true
      },
      nodeModules: process.env.NODE_ENV !== 'production'
        ? path.resolve(__dirname, '../node_modules')
        : false
    }),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoEmitOnErrorsPlugin(),
    new webpack.DefinePlugin({
      'environment': `'${process.env.NODE_ENV}'`,
      '__ENV__': `'${process.env.NODE_ENV}'`,
      '__DEV__': process.env.NODE_ENV === 'development',
      '__PROD__': process.env.NODE_ENV === 'production',
      '__TEST__': process.env.NODE_ENV === 'test',
    }),
    new webpack.ProvidePlugin({
      'Promise': 'bluebird',
      'config': path.resolve(__dirname, '../config')
    }),
  ],
  output: {
    filename: '[name].js',
    libraryTarget: 'commonjs2',
    path: path.join(__dirname, '../dist/electron')
  },
  resolve: {
    alias: {
      '@': path.join(__dirname, '../src/renderer'),
      'vue$': 'vue/dist/vue.esm.js',
      'config': path.resolve(__dirname, '../config')
    },
    extensions: ['.js', '.vue', '.json', '.css', '.node']
  },
  target: 'electron-renderer'
}

/**
 * Adjust rendererConfig for development settings
 */
if (process.env.NODE_ENV !== 'production') {
  rendererConfig.plugins.push(
    new webpack.DefinePlugin({
      '__static': `"${path.join(__dirname, '../static').replace(/\\/g, '\\\\')}"`
    })
  )
}

/**
 * Adjust rendererConfig for production settings
 */
if (process.env.NODE_ENV === 'production') {
  rendererConfig.devtool = ''

  rendererConfig.plugins.push(
    new BabiliWebpackPlugin(),
    new CopyWebpackPlugin([
      {
        from: path.join(__dirname, '../static'),
        to: path.join(__dirname, '../dist/electron/static'),
        ignore: ['.*']
      }
    ]),
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': '"production"'
    }),
    new webpack.LoaderOptionsPlugin({
      minimize: true
    })
  )
}

module.exports = rendererConfig