Ошибка при вводе gulp build
The following tasks did not complete: build, clean
Did you forget to signal async completion?
gulp local version 4.0.0
gulp CLI version 2.0.1
node version 10.5.0
gulpfile.js
var gulp = require('gulp'),
sass = require('gulp-sass'),
browserSync = require('browser-sync'),
concat = require('gulp-concat'),
uglify = require('gulp-uglifyjs'),
cssnano = require('gulp-cssnano'),
rename = require('gulp-rename'),
del = require('del'),
imagemin = require('gulp-imagemin'),
pngquant = require('imagemin-pngquant'),
cache = require('gulp-cache'),
autoprefixer = require('gulp-autoprefixer');
gulp.task('sass', function(){
return gulp.src('app/sass/*.sass')
.pipe(sass())
.pipe(autoprefixer(['last 7 versions', '> 1%', 'ie 8', 'ie 7'], { cascade: true}))
.pipe(gulp.dest('app/css'))
.pipe(browserSync.reload({stream: true}))
});
gulp.task('scripts', function(){
return gulp.src([
'app/libs/bootstrap-3.3.7-dist/js/bootstrap.min.js'
])
.pipe(concat('libs.min.js'))
.pipe(uglify())
.pipe(gulp.dest('app/js'));
});
gulp.task('css-libs', gulp.parallel('sass'), function(){
return gulp.src('app/css/libs.css')
.pipe(cssnano())
.pipe(rename({suffix: '.min'}))
.pipe(gulp.dest('app/css'));
});
/*gulp.task('browser-sync', function(){
browserSync({
server: {
baseDir: 'app'
},
notify: false
});
});*/
gulp.task('browser-sync', gulp.parallel('sass', 'scripts'), function() {
browserSync.init({
proxy: "vitis",
notify: false
});
});
gulp.task('clean', function(){
return del.sync([
'www/web/css',
'www/web/img',
'www/web/js'
]);
});
gulp.task('clear', function(){
return cache.clearAll();
});
gulp.task('img', function(){
return gulp.src('app/img/**/*')
.pipe(cache(imagemin({
interlaced: true,
progressive: true,
svgoPlugins: [{removeViewBox: false}],
use: [pngquant()]
})))
.pipe(gulp.dest('www/web/img'));
});
gulp.task('watch', gulp.parallel('browser-sync', 'scripts'), function(){
gulp.watch('app/sass/*.sass', ['sass']);
gulp.watch('app/*.html', browserSync.reload);
gulp.watch('www/views/*.php', browserSync.reload);
gulp.watch('app/js/*.js', browserSync.reload);
});
gulp.task('build', gulp.parallel('clean', 'img', 'sass', 'scripts'), function(){
var buildCss = gulp.src([
'app/css/main.css',
'app/css/libs.min.css',
])
.pipe(gulp.dest('www/web/css'));
var buildFonts = gulp.src('app/fonts/**/*')
.pipe(gulp.dest('www/web/fonts'));
var buildJs = gulp.src('app/js/**/*')
.pipe(gulp.dest('www/web/js'));
var buildHtml = gulp.src('app/*.html')
.pipe(gulp.dest('www/views/html'));
});
//gulp.task('default', ['build', 'browser-sync']);
gulp.task('default', gulp.parallel('browser-sync', 'watch'));