isNumber.js

import { curryN, pipe, type, identical } from 'ramda';

/**
 * Checks if value is a `Number` primitive or object.
 *
 * @func isNumber
 * @memberOf RA
 * @since {@link https://char0n.github.io/ramda-adjunct/0.6.0|v0.6.0}
 * @category Type
 * @sig * -> Boolean
 * @param {*} val The value to test
 * @return {boolean}
 * @see {@link RA.isNotNumber|isNotNumber}
 * @example
 *
 * RA.isNumber(5); // => true
 * RA.isNumber(Number.MAX_VALUE); // => true
 * RA.isNumber(-Infinity); // => true
 * RA.isNumber(NaN); // => true
 * RA.isNumber('5'); // => false
 */
const isNumber = curryN(1, pipe(type, identical('Number')));

export default isNumber;