materio-d8/build/webpack.config.dev.js

'use strict'

const webpack = require('webpack')
const { merge } = require('webpack-merge')
const baseConfig = require('./webpack.config.base')
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const WebpackShellPluginNext = require('webpack-shell-plugin-next');

module.exports = merge(baseConfig, {
  mode: 'development',
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: '',
            },
          },
          'css-loader'
        ]
      }, {
        test: /\.scss$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: '',
            },
          },
          'css-loader',
          'sass-loader'
        ]
      }, {
        test: /\.(png|jpg|gif|svg)$/,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: 5000
            }
          }
        ]
      }
    ]
  },

  plugins: [
    // new webpack.HotModuleReplacementPlugin()
    new BundleAnalyzerPlugin({
      'analyzerMode': 'static'
    }),
    new WebpackShellPluginNext({
      // onBuildStart:{
      //   scripts: ['echo "Webpack Start"'],
      //   blocking: true,
      //   parallel: false
      // }, 
      // drush is not installed in this container so we have to ssh on the php container
      onAfterDone:{
        scripts: ['echo "Clearing drupal cache $USER_UNAME $DRUPAL_ROOT"', 'sshpass -p "$USER_UNAME" ssh $USER_UNAME@php "cd $DRUPAL_ROOT && drush cc css-js"', 'echo "Done"'],
        blocking: true,
        parallel: false
      }
    })
  ]
})