{
  "extends": "./tsconfig.json",
  "compilerOptions": {
    /* Specify module code generation: 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "module": "ES2015",
    /* Redirect output structure to the directory. */
    "outDir": "lib/esm"
  }
}