Fixed issue with mapbox not being uglified properly

package-lock.json

@@ -13843,9 +13843,9 @@
       }
     },
     "uglifyjs-webpack-plugin": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.5.tgz",
-      "integrity": "sha512-hIQJ1yxAPhEA2yW/i7Fr+SXZVMp+VEI3d42RTHBgQd2yhp/1UdBcR3QEWPV5ahBxlqQDMEMTuTEvDHSFINfwSw==",
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.6.tgz",
+      "integrity": "sha512-NDP94ahjW7ZH+qzdjxjIV04n5YGnrYD2jeHgKgnpUKmdAfcXEO5DbVo21fXAm/KPMyX9k21zWFBMYm9m9R2ptg==",
       "dev": true,
       "requires": {
         "cacache": "^10.0.4",
@@ -14833,6 +14833,12 @@
             }
           }
         },
+        "commander": {
+          "version": "2.13.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
+          "integrity": "sha512-MVuS359B+YzaWqjCL/c+22gfryv+mCBPHAv3zyVI2GN8EY6IRP8VwtasXn8jyyhvvq84R4ImN1OKRtcbIasjYA==",
+          "dev": true
+        },
         "expand-brackets": {
           "version": "2.1.4",
           "resolved": "https://registry.npmjs.org/expand-brackets/-/expand-brackets-2.1.4.tgz",
@@ -15065,6 +15071,32 @@
             "snapdragon": "^0.8.1",
             "to-regex": "^3.0.2"
           }
+        },
+        "uglify-es": {
+          "version": "3.3.9",
+          "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.3.9.tgz",
+          "integrity": "sha512-r+MU0rfv4L/0eeW3xZrd16t4NZfK8Ld4SWVglYBb7ez5uXFWHuVRs6xCTrf1yirs9a4j4Y27nn7SRfO6v67XsQ==",
+          "dev": true,
+          "requires": {
+            "commander": "~2.13.0",
+            "source-map": "~0.6.1"
+          }
+        },
+        "uglifyjs-webpack-plugin": {
+          "version": "1.2.6",
+          "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.6.tgz",
+          "integrity": "sha512-NDP94ahjW7ZH+qzdjxjIV04n5YGnrYD2jeHgKgnpUKmdAfcXEO5DbVo21fXAm/KPMyX9k21zWFBMYm9m9R2ptg==",
+          "dev": true,
+          "requires": {
+            "cacache": "^10.0.4",
+            "find-cache-dir": "^1.0.0",
+            "schema-utils": "^0.4.5",
+            "serialize-javascript": "^1.4.0",
+            "source-map": "^0.6.1",
+            "uglify-es": "^3.3.4",
+            "webpack-sources": "^1.1.0",
+            "worker-farm": "^1.5.2"
+          }
         }
       }
     },

package.json

@@ -50,7 +50,7 @@
     "sass-loader": "^7.0.2",
     "style-loader": "^0.18.2",
     "sw-precache-webpack-plugin": "0.11.3",
-    "uglifyjs-webpack-plugin": "^1.2.5",
+    "uglifyjs-webpack-plugin": "^1.2.6",
     "webpack": "^4.4.1",
     "webpack-cli": "^2.1.5",
     "webpack-dev-server": "^3.1.4"

webpack/paths.js

@@ -10,5 +10,6 @@ module.exports = {
     appIndexJs: resolveApp('src/index.js'),
     appBuild: resolveApp('build'),
     appSrc: resolveApp('src'),
+    appOutputJs: 'static/js/bundle.js',
     publicPath: ''
 };
\ No newline at end of file

webpack/webpack.config.prod.js

@@ -15,7 +15,7 @@ module.exports = {
     ],
     output: {
         path: paths.appBuild,
-        filename: 'static/js/bundle.js',
+        filename: paths.appOutputJs,
         publicPath: paths.publicPath
     },
     resolve: {
@@ -36,7 +36,11 @@ module.exports = {
         minimizer: [
             new UglifyJsPlugin({
                 parallel: true,
-                sourceMap: true
+                uglifyOptions: {
+                    compress: {
+                        typeofs: false // Causes issues with mapbox.
+                    }
+                }
             }),
             new OptimizeCSSAssetsPlugin({})
         ]