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Yuta Hiroto
8c6d1a0686
PR-URL: https://github.com/nodejs/node/pull/21817 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: James M Snell <jasnell@gmail.com>
is-buffer 
Determine if an object is a Buffer (including the browserify 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 module in browserify).
It's future-proof and works in node too!
install
npm install is-buffer
usage
var isBuffer = require('is-buffer')
isBuffer(new Buffer(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.