text: /**
   * COMMON WEBPACK CONFIGURATION
   */
  
  const path = require('path');
  const webpack = require('webpack');
  
  module.exports = options => ({
    mode: options.mode,
    entry: options.entry,
    output: Object.assign(
      {
        // Compile into js/build.js
        path: path.resolve(process.cwd(), 'build'),
        publicPath: '/',
      },
      options.output,
    ), // Merge with env dependent settings
    optimization: options.optimization,
    module: {
      rules: [
        {
          test: /\.jsx?$/, // Transform all .js and .jsx files required somewhere with Babel
          exclude: /node_modules/,
          use: {
            loader: 'babel-loader',
            options: options.babelQuery,
          },
        },
        {
          // Preprocess our own .css files
          // This is the place to add your own loaders (e.g. sass/less etc.)
          // for a list of loaders, see https://webpack.js.org/loaders/#styling
          test: /\.css$/,
          exclude: /node_modules/,
          use: ['style-loader', 'css-loader'],
        },
        {
          // Preprocess 3rd party .css files located in node_modules
          test: /\.css$/,
          include: /node_modules/,
          use: ['style-loader', 'css-loader'],
        },
        {
          test: /\.(eot|otf|ttf|woff|woff2)$/,
          use: 'file-loader',
        },
        {
          test: /\.svg$/,
          use: [
            {
              loader: 'svg-url-loader',
              options: {
                // Inline files smaller than 10 kB
                limit: 10 * 1024,
                noquotes: true,
              },
            },
          ],
        },
        {
          test: /\.(jpg|png|gif)$/,
          use: [
            {
              loader: 'url-loader',
              options: {
                // Inline files smaller than 10 kB
                limit: 10 * 1024,
              },
            },
            {
              loader: 'image-webpack-loader',
              options: {
                mozjpeg: {
                  enabled: false,
                  // NOTE: mozjpeg is disabled as it causes errors in some Linux environments
                  // Try enabling it in your environment by switching the config to:
                  // enabled: true,
                  // progressive: true,
                },
                gifsicle: {
                  interlaced: false,
                },
                optipng: {
                  optimizationLevel: 7,
                },
                pngquant: {
                  quality: '65-90',
                  speed: 4,
                },
              },
            },
          ],
        },
        {
          test: /\.html$/,
          use: 'html-loader',
        },
        {
          test: /\.(mp4|webm)$/,
          use: {
            loader: 'url-loader',
            options: {
              limit: 10000,
            },
          },
        },
      ],
    },
    plugins: options.plugins.concat([
      // Always expose NODE_ENV to webpack, in order to use `process.env.NODE_ENV`
      // inside your code for any environment checks; Terser will automatically
      // drop any unreachable code.
      new webpack.EnvironmentPlugin({
        NODE_ENV: 'development',
      }),
    ]),
    resolve: {
      modules: ['node_modules', 'app'],
      extensions: ['.js', '.jsx', '.react.js'],
      mainFields: ['browser', 'jsnext:main', 'main'],
    },
    devtool: options.devtool,
    target: 'web', // Make web variables accessible to webpack, e.g. window
    performance: options.performance || {},
  
    externals: {
      globalConfig: JSON.stringify(
        // eslint-disable-next-line global-require
        require(path.resolve(process.cwd(), 'environment.conf.json')),
      ),
    },
  });
  