ramda-adjunct/src/internal/polyfills/Number.isSafeInteger.js

Ramda Adjunct is the most popular and most comprehensive set of utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.

import { both } from 'ramda';

import isInteger from '../../isInteger';
import MAX_SAFE_INTEGER from './Number.MAX_SAFE_INTEGER';

const isSafeIntegerPolyfill = both(
  isInteger,
  (value) => Math.abs(value) <= MAX_SAFE_INTEGER
);

export default isSafeIntegerPolyfill;