Fixed unnecessary semicolon error

package-lock.json

@@ -4631,7 +4631,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4996,7 +4997,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5044,6 +5046,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -5082,11 +5085,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },

tslint.json

@@ -1,5 +1,10 @@
 {
     "extends": ["tslint-react"],
+    "linterOptions": {
+        "exclude": [
+            "node_modules/firebase/firestore/index.ts"
+        ]
+    },
     "rules": {
         "ban": false,
         "class-name": true,