is-buffer 2.0.5

The "is-buffer" is a JavaScript npm package that is used to determine whether or not an object is a Buffer, a type of global object used to manage binary data in Node.js applications. This utility proves helpful as it enables checks without having to implement the whole 'Buffer.isBuffer' approach, which requires inclusion of the full 'Buffer' module in 'browserify'. Moreover, "is-buffer" is designed to be future-proof and works smoothly not just in browser environments but also in Node.js.

To utilize the "is-buffer" package in your code, you first need to install it via npm by running the command npm install is-buffer. Once the package is successfully installed, you simply require the npm module in your file using JavaScript's 'require' function. Here's a quick demonstration of how to use this in your code:

var isBuffer = require('is-buffer')

isBuffer(new Buffer(4)) // returns true
isBuffer(Buffer.alloc(4)) // returns true

isBuffer(undefined) // returns false
isBuffer(null) // returns false
isBuffer('') // returns false

In this case, isBuffer will return 'true' if the input argument is a Buffer object, else it will return 'false'.

The main source of documentation for the "is-buffer" library can be found on its GitHub repository page. The README.md file there provides all necessary information about the package's purpose, how to install it, and usage examples. Furthermore, more in-depth information about Buffer objects can be found on the official Node.js API documentation page.

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