webpack.common.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
    entry: {
        app: './src/ts/index.ts',
        styles: './src/scss/index.scss'
    },
    output: {
        filename: '[name].bundle.js',
        chunkFilename: '[name].bundle.js',
        path: path.resolve(__dirname, 'dist')
    },
    module: {
        rules: [
            {
                test: /\.scss$/,
                use: [
                    "style-loader", // creates style nodes from JS strings
                    "css-loader", // translates CSS into CommonJS
                    "sass-loader" // compiles Sass to CSS, using Node Sass by default
                ]
            },
            {
                test: /\.ts?$/,
                use: 'ts-loader',
                exclude: /node_modules/
            }
        ]
    },
    resolve: {
        extensions: ['.tsx', '.ts', '.js'],
        symlinks: false
    },
    plugins: [
        new CleanWebpackPlugin(),
        new HtmlWebpackPlugin({
            template: 'src/index.html'
        })
    ]
};