webpack.dev.js

const webpack = require('webpack');
const path = require('path');
const common = require('./webpack.common');
const { merge } = require('webpack-merge');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const StylelintPlugin = require('stylelint-webpack-plugin');
const ESLintPlugin = require('eslint-webpack-plugin');

module.exports = merge(common, {
  mode: 'development',
  devtool: 'inline-source-map',
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'bundle.[contenthash].js',
    assetModuleFilename: 'assets/img/[name][ext]',
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/template.html',
    }),
    new StylelintPlugin({
      configFile: path.resolve(__dirname, '.stylelintrc.json'),
      files: '**/*.scss',
      fix: true,
    }),
    new ESLintPlugin({
      overrideConfigFile: path.resolve(__dirname, 'eslintrc.json'),
    }),
  ],
  module: {
    rules: [
      {
        test: /\.scss$/,
        use: ['style-loader', 'css-loader', 'sass-loader'],
      },
    ],
  },
});