amplify-cli-core/resources/overrides-resource/tsconfig.json

Amplify CLI Core

{
  "compilerOptions": {
    "target": "es6",
    "module": "commonjs",
    "strict": false,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "outDir": "build"
  }
}