gulpfile.js

//* Vars
var gulp = require('gulp');
var sass = require('gulp-sass');
var sourcemaps = require('gulp-sourcemaps');
var sassGlob = require('gulp-sass-glob');
const cleanCSS = require('gulp-clean-css');

//* Tasks
gulp.task('style', function () {
    return gulp
        .src('assets/css/neighborhood-attractions.scss')
        .pipe(sassGlob())
        .pipe(sourcemaps.init())
        .pipe(sass().on('error', sass.logError))
        .pipe(sourcemaps.write())
        .pipe(gulp.dest('assets/css/'));
});

gulp.task('style-prod', function () {
    return gulp
        .src('assets/css/neighborhood-attractions.scss')
        .pipe(sassGlob())
        .pipe(sass().on('error', sass.logError))
        .pipe(cleanCSS({ compatibility: 'ie8' }))
        .pipe(gulp.dest('assets/css/'));
});

//* Watchers here
gulp.task('watch', function () {
    gulp.watch('assets/css/**/*.scss', gulp.series(['style']));
});

gulp.task('prod', function () {
    gulp.watch('assets/css/**/*.scss', gulp.series(['style-prod']));
});

gulp.task('default', gulp.series(['watch']));