corrcted npm errors with webpack and autoprefixer

gulpfile.babel.js

@@ -84,7 +84,9 @@ function sass() {
     })
       .on('error', $.sass.logError))
     .pipe($.autoprefixer({
-      browsers: COMPATIBILITY
+      // browsers: COMPATIBILITY
+      // browserslist: COMPATIBILITY
+      overrideBrowserslist: COMPATIBILITY
     }))
 
     .pipe($.if(PRODUCTION, $.cleanCss({ compatibility: 'ie9' })))
@@ -98,20 +100,25 @@ function sass() {
 
 // Combine JavaScript into one file
 // In production, the file is minified
+// other options in ./webpack.config.js
 const webpack = {
   config: {
     module: {
       rules: [
         {
           test: /.js$/,
-          loader: 'babel-loader',
           exclude: /node_modules(?![\\\/]foundation-sites)/,
+          use: {
+            loader: 'babel-loader',
+          },
         },
       ],
     },
     externals: {
       jquery: 'jQuery',
     },
+    // https://webpack.js.org/configuration/mode/
+    mode: 'production',
   },
 
   changeHandler(err, stats) {

package-lock.json

@@ -2630,9 +2630,9 @@
       }
     },
     "caniuse-lite": {
-      "version": "1.0.30001202",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001202.tgz",
-      "integrity": "sha512-ZcijQNqrcF8JNLjzvEiXqX4JUYxoZa7Pvcsd9UD8Kz4TvhTonOSNRsK+qtvpVL4l6+T1Rh4LFtLfnNWg6BGWCQ==",
+      "version": "1.0.30001271",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001271.tgz",
+      "integrity": "sha512-BBruZFWmt3HFdVPS8kceTBIguKxu4f99n5JNp06OlPD/luoAMIaIK5ieV5YjnBLH3Nysai9sxj9rpJj4ZisXOA==",
       "dev": true
     },
     "caseless": {

package.json

@@ -1,8 +1,8 @@
 {
   "name": "biofriction",
   "title": "Biofriction",
-  "version": "1.0.0",
-  "description": "Biofriction is a WordPress theme created for Hangar.orgx based on FoundationPress and Foundation 6 by Zurb",
+  "version": "2.0.0",
+  "description": "Biofriction is a WordPress theme created for Hangar.org",
   "homepage": "https://biofriction.org",
   "license": "GNU-GPL v3",
   "main": "gulpfile.babel.js",
@@ -67,10 +67,10 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://gitlab.com/jorge-vitrubio/biofriction-theme.git"
+    "url": "https://git.hangar.org/hangar-tech/biofriction-wp-theme"
   },
   "bugs": {
-    "url": "https://gitlab.com/jorge-vitrubio/biofriction-theme/issues"
+    "url": "https://git.hangar.org/hangar-tech/biofriction-wp-theme/issues"
   },
   "babel": {
     "presets": [