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526 BTypeScriptView Raw
1import { AnyFunction } from './isFunction.js';
2export type AnyClass = new (...args: unknown[]) => unknown;
3/**
4 * Does a generic check to check that the given payload is of a given type. In cases like Number, it
5 * will return true for NaN as NaN is a Number (thanks javascript!); It will, however, differentiate
6 * between object and null
7 *
8 * @throws {TypeError} Will throw type error if type is an invalid type
9 */
10export declare function isType<T extends AnyFunction | AnyClass>(payload: unknown, type: T): payload is T;