Strictest TypeScript config posible

tsconfig.strictest.json

{
  "compilerOptions": {
    // Resolution (adjust to use case)
    "target": "ESNext",
    "module": "CommonJS",
    "moduleResolution": "Node16",
    "lib": ["ESNext"],
    "types": ["node"],

    // Super strict
    "strict": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false,
    "exactOptionalPropertyTypes": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noPropertyAccessFromIndexSignature": true,
    "noUncheckedIndexedAccess": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "forceConsistentCasingInFileNames": true,

    // Misc (Use if dependencies have bad types)
    "skipLibCheck": true
  },
  "include": ["./src/**/*.ts"]
}