jdf-png A pngquant wrapper for JDF Install $ npm install --save jdf-png Usage const execFile = require('child_process').execFile;const pngquant = require('jdf-png'); execFile(pngquant, ['-o', 'output.png', 'input.png'], err => { console.log('Image minified!');}); CLI $ npm install --global jdf-png $ jdf-png --help