kotlin-fork/libraries/tools/kotlin-test-js-runner/tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "ESNext",
    "strict": true,
    "sourceMap": true,
    "allowSyntheticDefaultImports": true
  },
  "exclude": [
    "**/*Debug.ts"
  ]
}