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is-what

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JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

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