text: const gulp = require('gulp');
  const sass = require('gulp-sass');
  const autoprefixer = require('gulp-autoprefixer');
  
  gulp.task('sass', () => {
    return gulp.src('app/assets/sass/*.scss')
      .pipe(sass({
        outputStyle: 'expanded'
      }).on('error', sass.logError))
      .pipe(autoprefixer('Last 3 versions'))
      .pipe(gulp.dest('public/stylesheets'));
  });
  