fix(babel): upgraded corejs version

StephanGerbeth · StephanGerbeth · commit dab7f2503ef9 · 2019-08-03T14:16:39.000+02:00
diff --git a/.babelrc b/.babelrc
@@ -5,7 +5,7 @@
         [
           "@babel/preset-env",
           {
-            "corejs": "2",
+            "corejs": "3",
             "useBuiltIns": "usage"
           }
         ]
@@ -19,7 +19,7 @@
         [
           "@babel/preset-env",
           {
-            "corejs": "2",
+            "corejs": "3",
             "useBuiltIns": "usage"
           }
         ],
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -59,5 +59,8 @@
     "nyc": "^14.1.1",
     "rimraf": "^2.6.3",
     "semantic-release": "^15.13.19"
+  },
+  "dependencies": {
+    "core-js": "^3.1.4"
   }
 }
