arto/dist/utils/type-guards.d.ts

Arto is a flexible and type-safe class name management library for building scalable UIs with variants, states, and conditional styling.

import { ClassName } from '../types';
/**
 * Shallow type guard checking if `config` is a valid top-level `ClassName<TContext>` form:
 * - A **string**
 * - An **array** (which may contain nested items)
 * - A **function** returning class names
 *
 * Deeper validation of array contents occurs in `normalizeClassName`.
 *
 * @template TContext - The context type for callback-based class names.
 * @param config - The candidate to test.
 * @returns True if `config` is a top-level `ClassName<TContext>`, otherwise false.
 */
export declare const isClassNameType: <TContext = unknown>(config: unknown) => config is ClassName<TContext>;
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