is-jpg
Advanced tools
Readme
Check if a Buffer/Uint8Array is a JPEG image
Used by image-type.
$ npm install --save is-jpg
var readChunk = require('read-chunk'); // npm install read-chunk
var isJpg = require('is-jpg');
var buffer = readChunk.sync('unicorn.jpg', 0, 3);
isJpg(buffer);
//=> true
var xhr = new XMLHttpRequest();
xhr.open('GET', 'unicorn.jpg');
xhr.responseType = 'arraybuffer';
xhr.onload = function () {
isJpg(new Uint8Array(this.response));
//=> true
};
xhr.send();
Accepts a Buffer (Node.js) or Uint8Array.
It only needs the first 3 bytes.
MIT © Sindre Sorhus
FAQs
Check if a Buffer/Uint8Array is a JPEG image
We found that is-jpg 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.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
LDAPjs, an LDAP Client and Server API for Node.js, was decommissioned after its maintainer received an abusive email from a user, raising concerns about this form of abuse as a potential attack vector.
Security News
CISA launched a new project called Vulnrichment to enrich CVEs with details that help prioritize patching and mitigation efforts, as the NVD backlog of unenriched CVEs awaiting analysis surpasses 10,000.
Security News
Socket is joining forces with CISA and other industry leaders at the RSA Conference to sign the Secure by Design pledge, committing to uphold the highest security standards in our products.