gulpfile.js/tasks/compress-css.js
function compressCSS() {
    let tasks = [];

    Object.keys(config.tasks).forEach((key) => {
        let val = config.tasks[key];
        tasks.push(gulp.src(val.src)
            .pipe(cleanCSS({processImport: false}))
            .pipe(rename(config.rename))
            .pipe(gulp.dest(val.dest)));
    });

    return merge(tasks);
}
function compressCSS() {
    let tasks = [];

    Object.keys(config.tasks).forEach((key) => {
        let val = config.tasks[key];
        tasks.push(gulp.src(val.src)
            .pipe(cleanCSS({processImport: false}))
            .pipe(rename(config.rename))
            .pipe(gulp.dest(val.dest)));
    });

    return merge(tasks);
}
function compressCSS ( ) { let tasks = [ ] ; Object . keys ( config . tasks ) . forEach ( ( key ) => { let val = config . tasks [ key ] ; tasks . push ( gulp . src ( val . src ) . pipe ( cleanCSS ( { processImport : false } ) ) . pipe ( rename ( config . rename ) ) . pipe ( gulp . dest ( val . dest ) ) ) ; } ) ; return merge ( tasks ) ; }
Create minified versions of all CSS assets.
Create minified versions of all CSS assets .