https://github.com/feross/is-buffer
Determine if an object is a Buffer
https://github.com/feross/is-buffer
browser browserify buffer is-buffer javascript nodejs
Last synced: 7 months ago
JSON representation
Determine if an object is a Buffer
- Host: GitHub
- URL: https://github.com/feross/is-buffer
- Owner: feross
- License: mit
- Created: 2014-10-31T01:55:56.000Z (about 11 years ago)
- Default Branch: master
- Last Pushed: 2021-08-18T15:42:05.000Z (over 4 years ago)
- Last Synced: 2025-04-27T05:38:29.647Z (8 months ago)
- Topics: browser, browserify, buffer, is-buffer, javascript, nodejs
- Language: JavaScript
- Homepage:
- Size: 46.9 KB
- Stars: 90
- Watchers: 3
- Forks: 29
- Open Issues: 4
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
# is-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
[travis-image]: https://img.shields.io/travis/feross/is-buffer/master.svg
[travis-url]: https://travis-ci.org/feross/is-buffer
[npm-image]: https://img.shields.io/npm/v/is-buffer.svg
[npm-url]: https://npmjs.org/package/is-buffer
[downloads-image]: https://img.shields.io/npm/dm/is-buffer.svg
[downloads-url]: https://npmjs.org/package/is-buffer
[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
[standard-url]: https://standardjs.com
#### Determine if an object is a [`Buffer`](http://nodejs.org/api/buffer.html) (including the [browserify Buffer](https://github.com/feross/buffer))
[![saucelabs][saucelabs-image]][saucelabs-url]
[saucelabs-image]: https://saucelabs.com/browser-matrix/is-buffer.svg
[saucelabs-url]: https://saucelabs.com/u/is-buffer
## Why not use `Buffer.isBuffer`?
This module lets you check if an object is a `Buffer` without using `Buffer.isBuffer` (which includes the whole [buffer](https://github.com/feross/buffer) module in [browserify](http://browserify.org/)).
It's future-proof and works in node too!
## install
```bash
npm install is-buffer
```
## usage
```js
var isBuffer = require('is-buffer')
isBuffer(new Buffer(4)) // true
isBuffer(Buffer.alloc(4)) //true
isBuffer(undefined) // false
isBuffer(null) // false
isBuffer('') // false
isBuffer(true) // false
isBuffer(false) // false
isBuffer(0) // false
isBuffer(1) // false
isBuffer(1.0) // false
isBuffer('string') // false
isBuffer({}) // false
isBuffer(function foo () {}) // false
```
## license
MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org).