tsconfig.json

{
  "compilerOptions": {
    "target": "es5"
    /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */,
    "module": "commonjs"
    /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
    "strict": true
    /* Enable all strict type-checking options. */,
    "types": [
      "node",
      "mocha"
    ]
    /* Type declaration files to be included in compilation. */,
    "esModuleInterop": true
    /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
    "skipLibCheck": true
    /* Skip type checking of declaration files. */,
    "forceConsistentCasingInFileNames": true
    /* Disallow inconsistently-cased references to the same file. */
  }
}