tsconfig.json

{
  "compilerOptions": {
    "target": "ESNext" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    "experimentalDecorators": true /* Enable experimental support for TC39 stage 2 draft decorators. */,
    /* Modules */
    "module": "commonjs" /* Specify what module code is generated. */,
    "types": [
      "node",
      "jest"
    ] /* Specify type package names to be included without being referenced in a source file. */,
    /* Emit */
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
    /* Type Checking */
    "strict": true /* Enable all strict type-checking options. */,
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  }
}