Script to convert all rems to pixels

rem-to-px.js

var fs = require('fs');

let doc = fs.readFileSync('dist/css/app.b528a7e0.css', 'utf8');

console.log(doc.replace(/(:|\s?){1}([0-9-]*\.?[0-9]*)(rem)/g, function (match, delimeterGroup, numberGroup, sizeGroup, offset, string) {
    let pixelSize = Number(numberGroup) * 16
    
    if (delimeterGroup === ':') {
        return `:${pixelSize}px`
    } else if (delimeterGroup === ' ') {
        return ` ${pixelSize}px`
    }
}));