is-png
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Check if a Buffer/Uint8Array is a PNG image
$ npm install is-png
const readChunk = require('read-chunk'); // npm install read-chunk
const isPng = require('is-png');
const buffer = readChunk.sync('unicorn.png', 0, 8);
isPng(buffer);
//=> true
(async () => {
const response = await fetch('unicorn.png');
const buffer = await response.arrayBuffer();
isPng(new Uint8Array(buffer));
//=> true
})();
Accepts a Buffer (Node.js) or Uint8Array. Returns a boolean of whether buffer is a PNG image.
The buffer to check. It only needs the first 8 bytes.
MIT © Sindre Sorhus
FAQs
Check if a Buffer/Uint8Array is a PNG image
We found that is-png demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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