webpack.config.js

const path = require("path");
const { VueLoaderPlugin } = require("vue-loader");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

module.exports = (env = {}) => ({
  mode: env.prod ? "production" : "development",
  devtool: env.prod ? "source-map" : "cheap-module-eval-source-map",
  entry: path.resolve(__dirname, "./src/main.ts"),
  output: {
    path: path.resolve(__dirname, "./dist"),
    publicPath: "/dist/",
  },
  resolve: {
    extensions: [".ts", ".js", ".vue", ".json"],
    alias: {
      // this isn't technically needed, since the default `vue` entry for bundlers
      // is a simple `export * from '@vue/runtime-dom`. However having this
      // extra re-export somehow causes webpack to always invalidate the module
      // on the first HMR update and causes the page to reload.
      vue: "@vue/runtime-dom",
      "@": path.resolve("src"),
    },
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        use: "vue-loader",
      },
      {
        test: /\.ts$/,
        loader: "ts-loader",
        options: {
          appendTsSuffixTo: [/\.vue$/],
        },
      },
      {
        test: /\.(png|svg|mp4)$/i,
        use: {
          loader: "url-loader",
          options: { limit: 8192 },
        },
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          // Creates `style` nodes from JS strings
          "style-loader",
          // Translates CSS into CommonJS
          "css-loader",
          // Compiles Sass to CSS
          "sass-loader",
        ],
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: { hmr: !env.prod },
          },
          "css-loader",
        ],
      },
    ],
  },
  plugins: [
    new VueLoaderPlugin(),
    new MiniCssExtractPlugin({
      filename: "[name].css",
    }),
  ],
  devServer: {
    inline: true,
    hot: true,
    stats: "minimal",
    contentBase: __dirname,
    overlay: true,
  },
});