tsconfig.json

{
  "compilerOptions": {
    "target": "es5" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    "module": "nodenext" /* Specify what module code is generated. */,
    "rootDir": "./src" /* Specify the root folder within your source files. */,
    "allowJs": true /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */,
    "checkJs": true /* Enable error reporting in type-checked JavaScript files. */,
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "outDir": "./tsbuild" /* Specify an output folder for all emitted files. */,
    "declarationDir": "./build" /* Specify the output directory for generated declaration files. */,
    "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. */,
    "noImplicitAny": false /* Enable error reporting for expressions and declarations with an implied 'any' type. */,
    "skipLibCheck": true, /* Skip type checking all .d.ts files. */
    "moduleResolution": "nodenext",
    "types": ["@types/node"]
  },
  "include": ["src"]
}