advpng imagemin plugin
$ npm install imagemin-advpng
const imagemin = require('imagemin');
const imageminAdvpng = require('imagemin-advpng');
imagemin(['images/*.png'], 'build/images', {use: [imageminAdvpng()]}).then(() => {
console.log('Images optimized');
});
Type: Object
Type: number
Default: 3
Select an optimization level between 0 and 4.
Levels:
0 Don't compress
1 Compress fast (zlib)
2 Compress normal (7z)
3 Compress extra (7z)
4 Compress extreme (zopfli)
Type: number
Optionally specify an additional number of iterations to perform for optimization levels 3 and 4. May provide marginally better compression, at the cost of additional time.
Type: Buffer
Buffer to optimize.
MIT © imagemin