cssnano
A modular minifier, built on top of the PostCSS ecosystem.
Installation
npm install --save-dev cssnano postcss
Configuration
const gulp = require('gulp');
const postcss = require('gulp-postcss');
const cssnano = require('cssnano');
gulp.task('css', function () {
return gulp.src('./src/*.css')
.pipe(postcss([cssnano()]))
.pipe(gulp.dest('./dest'));
});