tsconfig.json

{
  "compilerOptions": {
    "target": "ES2015",                       /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
    "module": "ES2015",                       /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "declaration": true,                      /* Generates corresponding '.d.ts' file. */
    "outDir": "./dist/tsc",                   /* Redirect output structure to the directory. */
    "strict": true,                           /* Enable all strict type-checking options. */
    "moduleResolution": "node",               /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */

    "sourceMap": true
  },
  "include": [
    "src/**/*.ts"
  ]
}