tsconfig.base.json

{
  "compilerOptions": {
    /* =======================================
       THE BASELINE STRICTNESS (JS MODE)
       ======================================= */
    "allowJs": true,
    "checkJs": true,
    "noEmit": true,
    "strict": true,
    "alwaysStrict": true,
    "target": "ESNext",
    "module": "NodeNext",
    "moduleResolution": "NodeNext",
    "lib": ["ESNext", "DOM", "DOM.Iterable"],
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,

    /* =======================================
       THE "MAXIMUM PAIN" PEDANTIC FLAGS
       ======================================= */
    "noUncheckedIndexedAccess": true,
    "exactOptionalPropertyTypes": true,
    "noImplicitReturns": true,
    "noPropertyAccessFromIndexSignature": true,
    "noFallthroughCasesInSwitch": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true
  }
}