is-buffer travis npm downloads javascript style guide

Determine if an object is a Buffer (including the browserify Buffer)

saucelabs

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 module in browserify).

It’s future-proof and works in node too!

install

  1. npm install is-buffer

usage

  1. var isBuffer = require('is-buffer')
  2. isBuffer(new Buffer(4)) // true
  3. isBuffer(undefined) // false
  4. isBuffer(null) // false
  5. isBuffer('') // false
  6. isBuffer(true) // false
  7. isBuffer(false) // false
  8. isBuffer(0) // false
  9. isBuffer(1) // false
  10. isBuffer(1.0) // false
  11. isBuffer('string') // false
  12. isBuffer({}) // false
  13. isBuffer(function foo () {}) // false

license

MIT. Copyright (C) Feross Aboukhadijeh.