'use strict'; const fs = require('fs'); const path = require('path'); const postcss = require('postcss'); const rfs = require('../../postcss'); const css = fs.readFileSync(path.join(__dirname, '/src/main.css'), 'utf8'); const options = { twoDimensional: false, baseValue: 20, unit: 'rem', breakpoint: 1200, breakpointUnit: 'px', factor: 10, class: false, unitPrecision: 6, safariIframeResizeBugFix: false, remValue: 16 }; const processedCss = postcss(rfs(options)).process(css).css; fs.writeFile(path.join(__dirname, '/dest/main.css'), processedCss, err => { if (err) { throw err; } });