tsconfig.json

{
  "compilerOptions": {
    "target": "es6", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "lib": [
      "ES6",
      "ES2021"
    ],
    "module": "CommonJS", /* Specify what module code is generated. */
    "rootDir": "src", /* Specify the root folder within your source files. */
    "moduleResolution": "Node", /* Specify how TypeScript looks up a file from a given module specifier. */
    "baseUrl": "src", /* Specify the base directory to resolve non-relative module names. */
    "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. */
    "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
    "sourceMap": true, /* Create source map files for emitted JavaScript files. */                               /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
    "outDir": "./lib", /* Specify an output folder for all emitted files. */
    "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
    "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. */
    "strict": true, /* Enable all strict type-checking options. */
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  },
  "include": [
    "src"
  ],
  "exclude": [
    "node_modules",
    "dist",
  ],
  "ts-node": {
    "esm": true,
  }
}