tsconfig.json

{
  "include": ["src/**/*"],                            /* Specify list of files to be included. */
  "compilerOptions": {
    "rootDir": "./src",                                  /* Specify the root folder within your source files. */
    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "module": "commonjs",                                /* Specify what module code is generated. */
    "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. */
    "outDir": "./dist",                                   /* Specify an output folder for all emitted files. */
    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
    "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. */
    "declaration": true,
    "declarationDir": "./dist/types"
  }
}