const gulp = require('gulp'); const postcss = require('gulp-postcss'); const rfs = require('../../..'); const options = { twoDimensional: false, baseFontSize: 16, fontSizeUnit: 'rem', breakpoint: 1200, breakpointUnit: 'px', factor: 5, class: false, unitPrecision: 6, safariIframeResizeBugFix: false, remValue: 16, propList: ['responsive-font-size', 'rfs'] }; gulp.task('build', () => { return gulp.src('./src/main.css') .pipe(postcss([rfs(options)])) .pipe(gulp.dest('./dest')); }); gulp.task('watch', function () { gulp.watch('./src/**/*.css', ['build']); });