adjust minification via gulp

Author: Eugene Tupikov

gulpfile.js

@@ -1,18 +1,18 @@
-var gulp = require('gulp'),
-	uglify = require('gulp-uglify'),
-	concat = require('gulp-concat'),
-	rename = require('gulp-rename');
+const {gulp, src, dest} = require('gulp');
+const uglify = require('gulp-uglify-es').default;
+const concat = require('gulp-concat');
+const rename = require('gulp-rename');
 
-gulp.task('js', function () {
+function build () {
     var path = './src/assets/src/js/';
-    
-	return gulp.src([
+
+	return src([
             path + 'jquery.multipleInput.js'
         ])
         .pipe(concat('jquery.multipleInput.js'))
         .pipe(uglify())
         .pipe(rename({suffix: '.min'}))
-        .pipe(gulp.dest(path));
-});
-    
-gulp.task('default', ['js']);
+        .pipe(dest(path));
+};
+
+exports.default = build;

package.json

@@ -22,9 +22,9 @@
   },
   "homepage": "https://github.com/unclead/yii2-multiple-input",
   "devDependencies": {
-    "gulp": "^3.8.8",
-    "gulp-uglify": "^1.0.1",
+    "gulp": "^4.0.2",
     "gulp-concat": "^2.4.1",
-    "gulp-rename": "^1.2.0"
+    "gulp-rename": "^1.4.0",
+    "gulp-uglify-es": "3.0.0"
   }
 }