buffer-helper

Buffer Helper for NodeJS

Support:

1. Bit Operation over two same length buffers.

2. extract first N bytes data from buffer.

Singleton pattern

Public Methods:
``sh
AND(buffer, mask, newBuffer=false)
OR(buffer, mask, newBuffer=false)
XOR(buffer, mask, newBuffer=false)

extract(data, length)
`

installation


`sh
$ npm install @shenyan1206/buffer-helper --save
`

example

`sh
var BufferHelper = require("@shenyan1206/buffer-helper");

var data = Buffer.from("0102030405060708", "hex");

var first2Bytes = BufferHelper.extract(data, 2);

console.log(first2Bytes);
console.log(data);
``