is-primitive

Returns true if the value is a primitive.

Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your :heart: and support.

Install

Install with npm:

$ npm install --save is-primitive

Primitive values

The Mozilla docs for "Primitive values" defines specifies six data types that are primitives:

Boolean
Null
Undefined
Number
String
Symbol (new in ECMAScript 6)

Usage

var isPrimitive = require('is-primitive');

true

All of the following return true:

console.log(isPrimitive(false));
console.log(isPrimitive(true));
console.log(isPrimitive(null));
console.log(isPrimitive());
console.log(isPrimitive(42));
console.log(isPrimitive('abc'));
console.log(isPrimitive(Symbol()));
//=> true

false

Everything else returns false:

console.log(isPrimitive({}));
console.log(isPrimitive([]));
console.log(isPrimitive(function(){}));
console.log(isPrimitive(new Date()));
// et cetera...
//=> false

About

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).

Running Tests

Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command: ```sh $ npm install && npm test ```

Building docs

_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_ To generate the readme, run the following command: ```sh $ npm install -g verbose/verb#dev verb-generate-readme && verb ```

Related projects

You might also be interested in these projects:

is-number: Returns true if the value is a number. comprehensive tests. | homepage
is-plain-object: Returns true if an object was created by the Object constructor. | homepage
kind-of: Get the native type of a value. | homepage

Contributors

Commits	Contributor
11	jonschlinkert
1	ljharb
1	bttmly
1	hemanth

Author

Jon Schlinkert

License

This file was generated by verb-generate-readme, v0.6.0, on November 23, 2017.

jonschlinkert / is-primitive

readme