webpack + babel-loader + vscode

.eslintrc

{
  "rules": {},
  "env": {
    "es6": true,
    "browser": true,
    "node": true
  },
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "extends": ["eslint:recommended", "plugin:prettier/recommended"],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  }
}

babel.config.json

{
  "presets": [["@babel/preset-env", { "targets": { "node": "12" } }]],
  "sourceMaps": "inline"
}

launch.json

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Launch via NPM",
      "request": "launch",
      "runtimeArgs": ["run", "start:dev"],
      "runtimeExecutable": "npm",
      "skipFiles": ["<node_internals>/**"],
      "type": "pwa-node"
    }
  ]
}

package.json

{
  "name": "klcc-api-core",
  "version": "1.0.0",
  "main": "index.js",
  "author": "mosluce",
  "license": "MIT",
  "dependencies": {
    "babel-loader": "^8.2.2",
    "express": "^4.17.1",
    "parse-server": "^2.8.11-upsert-db-cors"
  },
  "scripts": {
    "build": "webpack",
    "start:dev": "concurrently \"webpack --watch\" \"nodemon node dist/index.js\"",
    "lint": "eslint",
    "test": "jest"
  },
  "engines": {
    "node": ">=12"
  },
  "devDependencies": {
    "@babel/cli": "^7.13.16",
    "@babel/core": "^7.14.0",
    "@babel/node": "^7.13.13",
    "@babel/preset-env": "^7.14.1",
    "@types/parse": "^2.18.6",
    "babel-jest": "^26.6.3",
    "eslint": "^7.25.0",
    "eslint-config-prettier": "^8.3.0",
    "eslint-plugin-prettier": "^3.4.0",
    "jest": "^26.6.3",
    "nodemon": "^2.0.7",
    "prettier": "^2.2.1",
    "webpack": "^5.36.2",
    "webpack-cli": "^4.7.0",
    "webpack-node-externals": "^3.0.0",
    "concurrently": "6.0.2"
  }
}

webpack.config.js

const path = require('path');
const nodeExternal = require('webpack-node-externals');

const configs = {
  entry: {
    index: './src/index.js',
  },
  target: 'node',
  mode: 'development',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].js',
  },
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /node_modules/,
        use: 'babel-loader',
      },
    ],
  },
  externals: [nodeExternal()],
  devtool: 'eval-source-map',
};

module.exports = configs;