remeda
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A utility library for JavaScript and Typescript.
21 lines (18 loc) • 578 B
text/typescript
import { N as NarrowedTo } from './NarrowedTo-CDIykNaN.cjs';
import 'type-fest';
/**
* A function that checks if the passed parameter is a number and narrows its
* type accordingly.
*
* @param data - The variable to check.
* @returns True if the passed input is a number, false otherwise.
* @signature
* R.isNumber(data)
* @example
* R.isNumber(1); // => true
* R.isNumber(1n); // => false
* R.isNumber('notANumber'); // => false
* @category Guard
*/
declare function isNumber<T>(data: T | number): data is NarrowedTo<T, number>;
export { isNumber };