Fix vulnerabilities

babel.config.js

@@ -0,0 +1,14 @@
+module.exports = {
+  presets: [
+    [
+      "@babel/preset-env",
+      {
+        targets: {
+          firefox: 57
+        }
+      }
+    ],
+    "@babel/preset-react"
+  ],
+  plugins: ["@babel/plugin-proposal-object-rest-spread", "transform-class-properties"]
+};

package.json

@@ -14,25 +14,25 @@
   },
   "devDependencies": {
     "@babel/core": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-object-rest-spread": "^7.9.6",
     "@babel/preset-env": "^7.0.0-beta.49",
     "@babel/preset-react": "^7.0.0-beta.49",
     "babel-loader": "^8.0.0-beta.3",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "clean-webpack-plugin": "^0.1.19",
-    "copy-webpack-plugin": "^4.5.1",
+    "copy-webpack-plugin": "^5.1.1",
-    "css-loader": "^0.28.11",
+    "css-loader": "^3.5.3",
     "html-webpack-plugin": "^3.2.0",
     "mini-css-extract-plugin": "^0.5.0",
-    "node-sass": "^4.9.0",
+    "node-sass": "^4.14.0",
     "opener": "^1.5.1",
-    "react-svg-loader": "^2.1.0",
+    "react-svg-loader": "^3.0.3",
     "sass-loader": "^7.0.3",
     "style-loader": "^0.21.0",
-    "uglifyjs-webpack-plugin": "^1.2.5",
     "webextension-polyfill": "^0.3.1",
-    "webpack": "^4.10.2",
+    "webpack": "^4.43.0",
-    "webpack-bundle-analyzer": "^3.0.4",
+    "webpack-bundle-analyzer": "^3.7.0",
-    "webpack-cli": "^3.0.1",
+    "webpack-cli": "^3.3.11",
     "zip-webpack-plugin": "^3.0.0"
   },
   "scripts": {

webpack.config.dev.js

@@ -29,20 +29,6 @@ const generalConfig = {
         loader: "babel-loader",
         exclude: /node_modules/,
         test: /\.(js|jsx)$/,
-        query: {
-          presets: [
-            [
-              "@babel/preset-env",
-              {
-                targets: {
-                  firefox: 57
-                }
-              }
-            ],
-            "@babel/preset-react"
-          ],
-          plugins: ["transform-class-properties"]
-        },
         resolve: {
           extensions: [".js", ".jsx"]
         }

webpack.config.dist.js

@@ -3,7 +3,6 @@
  * Released under the MIT license.
  * see https://opensource.org/licenses/MIT */
 
-const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
 const CopyWebpackPlugin = require("copy-webpack-plugin");
 const {
   getHTMLPlugins,
@@ -35,20 +34,6 @@ const generalConfig = {
         loader: "babel-loader",
         exclude: /node_modules/,
         test: /\.(js|jsx)$/,
-        query: {
-          presets: [
-            [
-              "@babel/preset-env",
-              {
-                targets: {
-                  firefox: 57
-                }
-              }
-            ],
-            "@babel/preset-react"
-          ],
-          plugins: ["transform-class-properties"]
-        },
         resolve: {
           extensions: [".js", ".jsx"]
         }
@@ -105,9 +90,11 @@ module.exports = [
     ...generalConfig,
     output: getOutput("chrome", config.tempDirectory),
     entry: getEntry(config.chromePath),
+    optimization: {
+      minimize: true
+    },
     plugins: [
       new CleanWebpackPlugin(["dist", "temp"]),
-      new UglifyJsPlugin(),
       new MiniCssExtractPlugin({
         filename: "[name]/[name].css"
       }),
@@ -120,9 +107,11 @@ module.exports = [
     ...generalConfig,
     entry: getEntry(config.firefoxPath),
     output: getOutput("firefox", config.tempDirectory),
+    optimization: {
+      minimize: true
+    },
     plugins: [
       new CleanWebpackPlugin(["dist", "temp"]),
-      new UglifyJsPlugin(),
       new MiniCssExtractPlugin({
         filename: "[name]/[name].css"
       }),