tsconfig.base.json

{
  "compilerOptions": {
    "target": "ES2023",
    // Type-checking is incremental: tsc reuses the previous run's graph instead
    // of re-checking three packages from scratch every time. Each package names
    // its own buildinfo under node_modules/ (already ignored) — the default
    // would drop a tsconfig.tsbuildinfo next to each tsconfig, in the repo.
    "incremental": true,
    "module": "ESNext",
    "moduleResolution": "bundler",
    "strict": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "noUncheckedSideEffectImports": true,
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "erasableSyntaxOnly": true,
    "exactOptionalPropertyTypes": true,
    "verbatimModuleSyntax": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "forceConsistentCasingInFileNames": true
  }
}