webpack.config.js

const path = require('path')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const fs = require('fs')

// Our function that generates our html plugins
function generateHtmlPlugins (templateDir) {
  // Read files in template directory
  const templateFiles = fs.readdirSync(path.resolve(__dirname, templateDir))
  return templateFiles.map(item => {
    // Split names and extension
    const parts = item.split('.')
    const name = parts[0]
    const extension = parts[1]
    // Create new HTMLWebpackPlugin with options
    return new HtmlWebpackPlugin({
      filename: `${name}.html`,
      template: path.resolve(__dirname, `${templateDir}/${name}.${extension}`)
    })
  })
}

const htmlPlugins = generateHtmlPlugins('./src/pages')

module.exports = {
  entry: './src/styles.css',
  mode: process.env.NODE_ENV,
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ExtractTextPlugin.extract({
          fallback: 'style-loader',
          use: [
            { loader: 'css-loader', options: { importLoaders: 1 } },
            'postcss-loader',
          ],
        }),
      },
    ],
  },
  plugins: [
    new ExtractTextPlugin('styles.css', {
      disable: process.env.NODE_ENV === 'development',
    })
  ].concat(htmlPlugins)
}