npm install --save rework-image-set-plus
Usage
var fs = require('fs')
var rework = require('rework')
var imageSet = require('rework-image-set-plus')
var css = fs.readFileSync('css/my-file.css', 'utf8').toString()
var out = rework(css).use(imageSet()).toString()Input
.bg-img {
background-image: image-set(url('my-img.png') 4x);
}Output
.bg-img {
background-image: url('my-img@1x.png');
background-image: image-set(url('my-img@1x.png') 1x,url('my-img@2x.png') 2x, url('my-img@3x.png') 3x, url('my-img.png') 4x);
}