Check if a Buffer/Uint8Array is available for cwebp image source
const {readFileSync} = require('fs');
const isCwebpReadable = require('is-cwebp-readable');
isCwebpReadable(readFileSync('fixture.png')); //=> true
isCwebpReadable(readFileSync('fixture.bmp')); //=> false
npm install is-cwebp-readable
const isCwebpReadable = require('is-cwebp-readable');
data: Buffer
or Uint8Array
Return: boolean
It returns true
if the data is PNG, JPEG, TIFF, or WebP, otherwise false
.
ISC License © 2018 Shinnosuke Watanabe