source: node_modules/ramda-adjunct/src/isSafeInteger.js

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Last change on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago

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1import { bind, curryN } from 'ramda';
2
3import isFunction from './isFunction';
4import ponyfill from './internal/ponyfills/Number.isSafeInteger';
5
6export const isSafeIntegerPonyfill = curryN(1, ponyfill);
7
8/**
9 * Checks whether the passed value is a safe `integer`.
10 *
11 * @func isSafeInteger
12 * @memberOf RA
13 * @since {@link https://char0n.github.io/ramda-adjunct/2.22.0|v2.22.0}
14 * @category Type
15 * @sig * -> Boolean
16 * @param {*} val The value to test
17 * @return {boolean}
18 * @example
19 *
20 * RA.isSafeInteger(3); //=> true
21 * RA.isSafeInteger(Math.pow(2, 53)) //=> false
22 * RA.isSafeInteger(Math.pow(2, 53) - 1); //=> true
23 * RA.isSafeInteger(NaN); //=> false
24 * RA.isSafeInteger(Infinity); //=> false
25 * RA.isSafeInteger('3') //=> false
26 * RA.isSafeInteger(3.1); //=> false
27 * RA.isSafeInteger(3.0); //=> true
28 * RA.isSafeInteger('string'); //=> false
29 * RA.isSafeInteger(null); //=> false
30 * RA.isSafeInteger(undefined); //=> false
31 * RA.isSafeInteger({}); //=> false
32 * RA.isSafeInteger(() => { }); //=> false
33 * RA.isSafeInteger(true); //=> false
34 */
35
36const isSafeInteger = isFunction(Number.isSafeInteger)
37 ? curryN(1, bind(Number.isSafeInteger, Number))
38 : isSafeIntegerPonyfill;
39
40export default isSafeInteger;
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