fix: fix `Object.assign` usage in `javascript:plugins` gulp task

diff --git a/gulp/tasks/javascript.js b/gulp/tasks/javascript.js
index 782497be9cb2985a22dc30a783a887ab9acb387c..4433321ab5204b564f1fbeb45d689061ada1aa59 100644 (file)
--- a/gulp/tasks/javascript.js
+++ b/gulp/tasks/javascript.js
@@ -71,7 +71,7 @@ gulp.task('javascript:plugin-core', function() {
 gulp.task('javascript:plugins', ['javascript:plugin-core'], function () {
   return gulp.src(['js/entries/plugins/*.js', '!js/entries/plugins/foundation.core.js'])
     .pipe(named())
-    .pipe(webpackStream(Object.assign({ externals: pluginsAsExternals }, webpackConfig), webpack2))
+    .pipe(webpackStream(Object.assign({}, webpackConfig, { externals: pluginsAsExternals }), webpack2))
     .pipe(gulp.dest('_build/assets/js/plugins'));
 });