narem

const gulp = require('gulp'),
	sass = require('gulp-sass'),
	autoprefixer = require('gulp-autoprefixer'),
	cssnano = require('gulp-cssnano');

gulp.task('scss', function(){
	return gulp
	.src('dev/scss/**/*.scss')
	.pipe(sass())
	.pipe(
		autoprefixer(['last 15 versions', '>1%', 'ie 8','ie 7'], {
			cascade: true
		})
		)
	.pipe(cssnano())
	.pipe(gulp.dest('dist/style'))
});

gulp.task('default', gulp.parallel('scss'), function(){
	gulp.watch('dev/sass/**/*.scss',gulp.parallel('scss'))
});