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is-positive-int

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Validate if a value is a positive integer between 0 & Number.MAX_SAFE_INTEGER

github.com/palashmon/is-positive-int

palashmon/is-positive-int

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# is-positive-int > Validate if a value is a positive integer between 0 & [maximum safe integer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER) in JavaScript ![CI](https://github.com/palashmon/is-positive-int/actions/workflows/main.yml/badge.svg) [![npm version](https://img.shields.io/npm/v/is-positive-int.svg)](http://npm.im/is-positive-int) [![npm downloads](https://img.shields.io/npm/dm/is-positive-int.svg)](http://npm.im/is-positive-int) ## Install ``` npm install is-positive-int ``` ## Usage ```js import isPositiveInt from 'is-positive-int'; // Test cases // Valid positive values isPositiveInt(0); // true isPositiveInt(1); // true isPositiveInt(5034); // true isPositiveInt(Math.pow(2, 53) - 1); // true isPositiveInt(Number.MAX_SAFE_INTEGER); // true isPositiveInt(1.0); // true isPositiveInt(5e2); // true, 500 in exponential notation isPositiveInt(9.007199254740991e15); // true, Number.MAX_SAFE_INTEGER.toExponential() // Invalid values isPositiveInt(-5034); // false isPositiveInt(-Math.pow(2, 53) - 1); // false isPositiveInt(-Number.MAX_SAFE_INTEGER); // false isPositiveInt(Number.MIN_SAFE_INTEGER); // false isPositiveInt(1.1); // false isPositiveInt(-5e2); // false isPositiveInt(NaN); // false isPositiveInt(Infinity); // false isPositiveInt(-Infinity); // false isPositiveInt(null); // false isPositiveInt(undefined); // false isPositiveInt(Math.pow(2, 53)); // false isPositiveInt(-Math.pow(2, 53)); // false isPositiveInt(Number.MAX_SAFE_INTEGER + 1); // false isPositiveInt(-Number.MAX_SAFE_INTEGER - 1);// false isPositiveInt(Number.MIN_SAFE_INTEGER - 1); // false isPositiveInt(Math.PI); // false isPositiveInt(-9.007199254740991e15); // false isPositiveInt(9.007199254740991e15 + 1); // false isPositiveInt('10'); // false isPositiveInt(true); // false isPositiveInt(false); // false isPositiveInt([1]); // false isPositiveInt({}); // false ``` ## License MIT © [Palash Mondal](https://github.com/palashmon)