webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const webpack = require("webpack");
const WasmPackPlugin = require("@wasm-tool/wasm-pack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

module.exports = {
  entry: ["./index.js", "./index.scss"],
  module: {
    rules: [
      {
        test: /\.s[ac]ss$/i,
        use: [
          MiniCssExtractPlugin.loader,
          "css-loader",
          "postcss-loader",
          "sass-loader",
        ],
      },
    ],
  },
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "index.js",
  },
  devServer: {
    port: 9000,
    headers: {
      "Access-Control-Allow-Origin": "*",
      "Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, PATCH, OPTIONS",
      "Access-Control-Allow-Headers":
        "X-Requested-With, content-type, Authorization",
    },
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "index.html",
    }),
    new WasmPackPlugin({
      crateDirectory: path.resolve(__dirname, "."),
    }),
    // Have this example work in Edge which doesn't ship `TextEncoder` or
    // `TextDecoder` at this time.
    new webpack.ProvidePlugin({
      TextDecoder: ["text-encoding", "TextDecoder"],
      TextEncoder: ["text-encoding", "TextEncoder"],
    }),
    new webpack.optimize.LimitChunkCountPlugin({
      maxChunks: 1,
    }),
    new MiniCssExtractPlugin(),
  ],
  mode: "development",
  experiments: {
    asyncWebAssembly: true,
  },
};