No Ianitor In Function Body

ErrorRoblox

small-rules/no-ianitor-in-function-body

Disallow Ianitor validator creation inside function bodies. Hoist to module scope to avoid recreating validators on every call.

Diagnostic Messages

hoistIanitorValidator

Ianitor validator created inside function body is slow — hoist to module scope. Example: const validator = Ianitor.keyOf(ids);

Configuration

This rule does not accept options.

{
  "jsPlugins": [
    "@pobammer-ts/small-rules"
  ],
  "rules": {
    "small-rules/no-ianitor-in-function-body": "error"
  }
}

Examples

Ianitor validator inside function

import { Ianitor } from "@packages/ianitor";

const placementVfxIds = { a: "a", b: "b" } as const;

export function isPlacementVfxId(value: unknown) {
  return Ianitor.keyOf(placementVfxIds)(value).success;
}

hoisted Ianitor validator

import { Ianitor } from "@packages/ianitor";

const placementVfxIds = { a: "a", b: "b" } as const;
const isPlacementVfxIdIanitor = Ianitor.keyOf(placementVfxIds);

export function isPlacementVfxId(value: unknown) {
  return isPlacementVfxIdIanitor(value).success;
}

Related Rules

Enforce Ianitor Check TypeRelatedIanitor type annotations, hoist-to-module creation, and success-only access form one validator family.No Ianitor Success AccessRelatedBoth prevent recreating expensive Ianitor validator machinery on hot paths.Require Module Level InstantiationRelatedBoth require expensive configured constructions to live at module scope.