Не могу запустить любую команду в gulp

// Это gulpfile.js
const { src, dest, watch, parallel, series } = require('gulp');
const scss = require('gulp-sass');
const concat = require('gulp-concat');
const browserSync = require('browser-sync').create();
const uglify = require('gulp-uglify-es').default;
const autoprefixer = require('gulp-autoprefixer');
const imagemin = require('gulp-imagemin');
const del = require('del');
 
function cleanDist() {
    return del('dist')
}
 
//Creating minimized file Js in (base.html)
function scripts() {
    return src([
        'app/static/js/poppingDownHints.js',
        'app/static/js/link_to_Search.js',
        'app/static/js/product_catalog_btn.js',
        'app/static/js/script_1.js'
    ])
        .pipe(concat('mainBase.min.js'))
        .pipe(uglify())
        .pipe(dest('app/static/js/minimizing'))
    // .pipe(browserSync.stream())
}
 
function scriptsDetail() {
    return src([
        'app/static/js/goodPage/zoom_effect.js',
        'app/static/js/goodPage/good_modalSlider.js',
        'app/static/js/goodPage/good-anchorToSpecs.js',
        'app/static/js/goodPage/longSlider.js',
        'app/static/js/goodPage/good_Modal_show.js',
        'app/static/js/goodPage/good_showAswForm.js',
        'app/static/js/goodPage/good_leftsideSlider.js',
        'app/static/js/goodPage/jsHelpers/hide_sidebar.js'
    ])
        .pipe(concat('detail.min.js'))
        .pipe(uglify())
        .pipe(dest('app/static/js/minimizing'))
}
 
// Convert scss into css
function styles() {
    return src('app/static/sass/style.scss')             //Enter way to scss file
        .pipe(scss({ outputStyle: 'compressed' }))//creating minimized file // outputStyle: 'expanded' allows css looks greate
        .pipe(concat('style.min.css'))            //renaming
        .pipe(autoprefixer({
            overrideBrowserslist: ['last 10 version'],
            grid: true
        }))
        .pipe(dest('app/static/css'))                    //Enter way where it will be saved
        .pipe(browserSync.stream())
}
 
// Bulding files into "dist" folder
function build() {
    return src([
        'app/css/style.min.css',
        'app/fonts/**/*',
        'app/js/main.min.js',
        'app/*.html'
    ], { base: 'app' })
        .pipe(dest(`dist`))
}
 
// Watching for changes
function watching() {
    watch(['app/static/sass/**/*.scss'], styles);        //commant to watch for all files which have ending in .scss
    watch(['app/static/js/**/*.js','!app/static/js/minimizing/**'], scripts);//watching for all js files except main.min.js
    watch(['app/templates/**/*.html']).on('change', browserSync.reload);//refresh browser if html has change
}
 
exports.styles = styles;
// Available command "gulp styles" to convert scss into css
 
exports.watching = watching;
// Available command "gulp watching" to Auto convert scss into css
 
// exports.browsersync = browsersync;
// Available command "gulp browsersync" to Auto refresh browser
 
// Available command "gulp scripts" to unite js files in one
exports.scripts = scripts;
 
// Available command "gulp images" to minimize images
// exports.images = images;
 
// Available command "gulp cleanDist" to clean "dist" folder
exports.cleanDist = cleanDist;
 
// Available command "gulp build" to build project into "dist" folder
exports.build = series(cleanDist, build);
 
 
 
exports.default = parallel(
    styles, scripts, scriptsDetail, watching
);
// Available command "gulp" to Auto refresh browser and Auto convert scss into css, unite js files