npm install is-woff> Check if a Buffer/Uint8Array is a WOFF
``sh`
$ npm install --save is-woff
##### Node.js
`js
var readChunk = require('read-chunk'); // npm install read-chunk
var isWoff = require('is-woff');
var buffer = readChunk.sync('font.woff', 0, 8);
isWoff(buffer);
//=> true
`
##### Browser
`js
var xhr = new XMLHttpRequest();
xhr.open('GET', 'font.woff');
xhr.responseType = 'arraybuffer';
xhr.onload = function () {
isWoff(new Uint8Array(this.response));
//=> true
};
xhr.send();
`
Accepts a Buffer (Node.js) or Uint8Array.
It only needs the first 8 bytes.
`sh``
$ npm test
> test file from Font-Awesome
MIT © junmer