fixed upload error handling, updated some deps

Author: Stefania

package-lock.json

@@ -15,7 +15,7 @@
     "lib": "lib"
   },
   "dependencies": {
-    "detect-browser": "^4.0.4",
+    "detect-browser": "^4.1.0",
     "rxjs": "^6.4.0",
     "semver-compare": "^1.0.0",
     "socket.io-client": "2.2.0"
@@ -31,11 +31,11 @@
     "babel-preset-react": "^6.24.1",
     "clean-webpack-plugin": "^1.0.1",
     "cross-env": "^5.2.0",
-    "eslint": "^5.12.1",
+    "eslint": "^5.13.0",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.16.0",
     "html-webpack-plugin": "^3.2.0",
-    "react": "^16.7.0",
+    "react": "^16.8.1",
     "react-dom": "^16.7.0",
     "rimraf": "^2.6.3",
     "rollup": "^0.59.4",
@@ -46,7 +46,7 @@
     "rollup-plugin-uglify-es": "^0.0.1",
     "rollup-watch": "^4.3.1",
     "webpack": "^3.11.0",
-    "webpack-cli": "^3.2.1",
+    "webpack-cli": "^3.2.3",
     "webpack-dev-server": "^2.11.3"
   },
   "scripts": {