minify es

Author: goto-bus-stop

gulpfile.js

@@ -7,7 +7,7 @@ const { colors, log } = require('gulp-util');
 const through2 = require('through2');
 const replace = require('replacestream');
 const gulpif = require('gulp-if');
-const uglify = require('gulp-uglify');
+const uglify = require('gulp-uglify/composer')(require('uglify-es'), require('gulp-uglify/lib/log'));
 const concat = require('gulp-concat');
 const del = require('del');
 const mkdirp = require('mkdirp');

package-lock.json

@@ -52,6 +52,7 @@
     "replacestream": "^4.0.3",
     "requirejs": "^2.3.5",
     "through2": "^2.0.1",
+    "uglify-es": "^3.1.3",
     "url-loader": "^0.6.2",
     "webpack": "^3.8.1",
     "webpack-dev-server": "^2.9.2"