CSSE

CSSE is a PostCSS plugin tp process CSS with events.

/* before */



/* after */

Usage

Follow these steps to use CSSE.

Add CSSE to your build tool:

npm install postcss-csse --save-dev

Node

require('postcss-csse')({ /* options */ }).process(YOUR_CSS);

PostCSS

Add PostCSS to your build tool:

npm install postcss --save-dev

Load CSSE as a PostCSS plugin:

postcss([
    require('postcss-csse')({ /* options */ })
]);

Gulp

Add Gulp PostCSS to your build tool:

npm install gulp-postcss --save-dev

Enable CSSE within your Gulpfile:

var postcss = require('gulp-postcss');

gulp.task('css', function () {
    return gulp.src('./css/src/*.css').pipe(
        postcss([
            require('postcss-csse')({ /* options */ })
        ])
    ).pipe(
        gulp.dest('./css')
    );
});

Grunt

Add Grunt PostCSS to your build tool:

npm install grunt-postcss --save-dev

Enable CSSE within your Gruntfile:

grunt.loadNpmTasks('grunt-postcss');

grunt.initConfig({
    postcss: {
        options: {
            processors: [
                require('postcss-csse')({ /* options */ })
            ]
        },
        dist: {
            src: 'css/*.css'
        }
    }
});