Почему не работает Gulp?

Я скинул, можете посмотреть?

Почему не работает Gulp?

Flying
Содержимое
const gulp = require('gulp');
const browserSync = require('browser-sync');
const sass = require('gulp-sass')(require('sass'));
const cleanCSS = require('gulp-clean-css');
const autoprefixer = require('gulp-autoprefixer');
const rename = require("gulp-rename");
const imagemin = require('gulp-imagemin');
const htmlmin = require('gulp-htmlmin');

gulp.task('server', function() {

browserSync({
server: {
baseDir: "dist"
}
});

gulp.watch("src/*.html").on('change', browserSync.reload);
});

gulp.task('styles', function() {
return gulp.src("src/sass/**/*.+(scss|sass)")
.pipe(sass({ outputStyle: 'expanded' }).on('error', sass.logError))
.pipe(rename({suffix: '.min', prefix: ''}))
.pipe(autoprefixer())
.pipe(cleanCSS({compatibility: 'ie8'}))
.pipe(gulp.dest("dist/css"))
.pipe(browserSync.stream());
});

gulp.task('watch', function() {
gulp.watch("src/sass/**/*.+(scss|sass|css)", gulp.parallel('styles'));
gulp.watch("src/*.html").on('change', gulp.parallel('html'));
gulp.watch("src/js/**/*.js").on('change', gulp.parallel('scripts'));
gulp.watch("src/fonts/**/*").on('all', gulp.parallel('fonts'));
gulp.watch("src/icons/**/*").on('all', gulp.parallel('icons'));
gulp.watch("src/img/**/*").on('all', gulp.parallel('images'));
});

gulp.task('html', function () {
return gulp.src("src/*.html")
.pipe(htmlmin({ collapseWhitespace: true }))
.pipe(gulp.dest("dist/"));
});

gulp.task('scripts', function () {
return gulp.src("src/js/**/*.js")
.pipe(gulp.dest("dist/js"))
.pipe(browserSync.stream());
});

gulp.task('fonts', function () {
return gulp.src("src/fonts/**/*")
.pipe(gulp.dest("dist/fonts"))
.pipe(browserSync.stream());
});

gulp.task('icons', function () {
return gulp.src("src/icons/**/*")
.pipe(gulp.dest("dist/icons"))
.pipe(browserSync.stream());
});

gulp.task('images', function () {
return gulp.src("src/img/**/*")
.pipe(imagemin())
.pipe(gulp.dest("dist/img"))
.pipe(browserSync.stream());
});

gulp.task('default', gulp.parallel('watch', 'server', 'styles', 'scripts', 'fonts', 'icons', 'html', 'images'));