tools/node_tools/polygerrit_app_preprocessor/tsconfig.json

{
  "compilerOptions": {
    "target": "es6",
    "module": "commonjs",
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "strict": true,
    "moduleResolution": "node",
    "outDir": "out"
  },
  "include": ["*.ts"]
}