tsconfig.json

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig.json to read more about this file */

    /* Language and Environment */
    "target": "es2016" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,

    /* Modules */
    "module": "commonjs" /* Specify what module code is generated. */,
    "rootDir": "./" /* Specify the root folder within your source files. */,

    /* Emit */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "declarationMap": true /* Create sourcemaps for d.ts files. */,
    "outDir": "dist" /* Specify an output folder for all emitted files. */,
    "declarationDir": "types" /* Specify the output directory for generated declaration files. */,

    /* Interop Constraints */
    "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.. */,
    "noUnusedLocals": true /* Enable error reporting when a local variables aren't read. */,
    "noUnusedParameters": true /* Raise an error when a function parameter isn't read */
  },
  "include": ["./src/*"],
  "exclude": ["types"]
}