Check if a Buffer/Uint8Array is a WebP image
npm install is-webp> Check if a Buffer/Uint8Array is a WebP image
``sh`
npm install is-webp
##### Node.js
`js
import {readChunk} from 'read-chunk';
import isWebp from 'is-webp';
const buffer = await readChunk('unicorn.webp', {length: 12});
isWebp(buffer);
//=> true
`
##### Browser
`js
const xhr = new XMLHttpRequest();
xhr.open('GET', 'unicorn.webp');
xhr.responseType = 'arraybuffer';
xhr.onload = () => {
isWebp(new Uint8Array(this.response));
//=> true
};
xhr.send();
`
Accepts a Buffer (Node.js) or Uint8Array`.
It only needs the first 12 bytes.
- file-type - Detect the file type of a Buffer/Uint8Array
- is-webp-extended - Extended version of this package which supports checking for animated WebP