setup Jest with TypeScript and decorators support

$ npm install --save-dev @types/jest ts-jest babel-jest @vue/test-utils vue-jest vue-typescript-jest jest-localstorage-mock

Author: havvg

.babelrc

@@ -1,5 +1,10 @@
 {
   "presets": [
     ["env", { "modules": false }]
-  ]
+  ],
+  "env": {
+    "test": {
+      "presets": ["env"]
+    }
+  }
 }