webpack.common.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const TsconfigPathsPlugin = require("tsconfig-paths-webpack-plugin");
const ESLintPlugin = require("eslint-webpack-plugin");

const extensionsToResolve = [".ts", ".tsx", ".js", ".json"];

module.exports = {
    entry: "./src/index.tsx",
    devtool: "inline-source-map",
    output: {
        filename: "[name].[chunkhash].bundle.js",
        path: path.resolve(__dirname + "/dist")
    },

    resolve: {
        extensions: extensionsToResolve,
        plugins: [new TsconfigPathsPlugin({ extensions: extensionsToResolve })]
    },

    module: {
        rules: [
            {
                test: /\.ts(x?)$/,
                enforce: "pre",
                use: ["ts-loader"]
            },
            {
                test: /\.(s*)css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    {
                        loader: "css-loader",
                        options: { modules: { auto: true, localIdentName: "[local]--[hash:base64]" } }
                    },
                    "sass-loader"
                ]
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: "./src/index.html",
            filename: "index.html"
        }),
        new MiniCssExtractPlugin({
            filename: "[name].[chunkhash].css",
            chunkFilename: "[id].[chunkhash].css"
        }),
        new CleanWebpackPlugin(),
        new ESLintPlugin({ extensions: ["ts", "tsx"], failOnError: true })
    ]
};