tsconfig.json

{
  "compilerOptions": {
    "target": "esnext" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    "lib": [
      "es6"
    ] /* Specify a set of bundled library declaration files that describe the target runtime environment. */,

    /* Modules */
    "module": "CommonJS" /* Specify what module code is generated. */,
    "rootDir": "./" /* Specify the root folder within your source files. */,
    "moduleResolution": "Node" /* Specify how TypeScript looks up a file from a given module specifier. */,
    "baseUrl": "./" /* Specify the base directory to resolve non-relative module names. */,
    "types": [
      "node"
    ] /* Specify type package names to be included without being referenced in a source file. */,
    "resolveJsonModule": true /* Enable importing .json files. */,
    "allowJs": true /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */,

    /* Emit */
    "outDir": "build" /* Specify an output folder for all emitted files. */,

    /* Interop Constraints */
    "allowSyntheticDefaultImports": true /* Allow 'import x from y' when a module doesn't have a default export. */,
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,

    /* Type Checking */
    "strict": true /* Enable all strict type-checking options. */,
    "noImplicitAny": true /* Enable error reporting for expressions and declarations with an implied 'any' type. */,

    /* Completeness */
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  },
  "include": ["*/*.ts", "*/*.js", "*.ts"],
  "exclude": [
    "**/*.test.ts",
    "**/*.test.js",
    "build",
    "dist",
    "node_modules",
    "./node_modules",
    "./node_modules/*",
    "./node_modules/@types/node/index.d.ts"
  ],
  "ts-node": {
    "esm": true,
    "compilerOptions": {
      "module": "commonjs"
    }
  }
}