webpack.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
const path = require("path");
const slsw = require("serverless-webpack");
const nodeExternals = require("webpack-node-externals");
const ForkTsCheckerWebpackPlugin = require("fork-ts-checker-webpack-plugin");

module.exports = {
  context: __dirname,
  mode: slsw.lib.webpack.isLocal ? "development" : "production",
  entry: slsw.lib.entries,
  devtool: slsw.lib.webpack.isLocal ? "cheap-module-eval-source-map" : "source-map",
  resolve: {
    extensions: [".mjs", ".json", ".ts", ".js"],
    symlinks: false,
    cacheWithContext: false,
    alias: {
      "@src": path.resolve(__dirname, "./src"),
      "@queries": path.resolve(__dirname, "./queries"),
      "@tests": path.resolve(__dirname, "./tests"),
      "@models": path.resolve(__dirname, "./models"),
      "@utils": path.resolve(__dirname, "./utils"),
    },
  },
  output: {
    libraryTarget: "commonjs",
    path: path.join(__dirname, ".webpack"),
    filename: "[name].js",
  },
  optimization: {
    nodeEnv: false,
  },
  target: "node",
  externals: [nodeExternals()],
  module: {
    rules: [
      // all files with a `.ts` or `.tsx` extension will be handled by `ts-loader`
      {
        test: /\.(tsx?)$/,
        loader: "ts-loader",
        exclude: [[path.resolve(__dirname, "node_modules"), path.resolve(__dirname, ".serverless"), path.resolve(__dirname, ".webpack")]],
        options: {
          transpileOnly: true,
          experimentalWatchApi: true,
        },
      },
    ],
  },
  plugins: [
    new ForkTsCheckerWebpackPlugin({
      eslint: true,
      eslintOptions: {
        cache: true,
      },
    }),
  ],
};