biofriction-wp-theme/node_modules/optipng-bin/readme.md

optipng-bin

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information

You probably want imagemin-optipng instead.

Install

$ npm install --save optipng-bin

Usage

const {execFile} = require('child_process');
const optipng = require('optipng-bin');

execFile(optipng, ['-out', 'output.png', 'input.png'], err => {
	console.log('Image minified!');
});

CLI

$ npm install --global optipng-bin

$ optipng --help

License

MIT © Imagemin