Check if a Buffer/Uint8Array is a HEIC image
npm install is-heic> Check if a Buffer/Uint8Array is a HEIC image (inspired by is-jpg)
``sh`
$ npm install --save is-heic
##### Node.js
`js
var readChunk = require('read-chunk'); // npm install read-chunk
var isHeic = require('is-heic');
var buffer = readChunk.sync('unicorn.heic', 0, 24);
isHeic(buffer);
//=> true
`
##### Browser
`js
var xhr = new XMLHttpRequest();
xhr.open('GET', 'unicorn.heic');
xhr.responseType = 'arraybuffer';
xhr.onload = function () {
isHeic(new Uint8Array(this.response));
//=> true
};
xhr.send();
``
Accepts a Buffer (Node.js) or Uint8Array.
It only needs the first 24 bytes.
MIT © Oleh Aleinyk