### Version 3.0.0 ### Reproduction link [https://github.com/galenyuan/todomvc-vue-typescript/blob/master/src/pages/Home.vue#L63](https://github.com/galenyuan/todomvc-vue-typescript/blob/master/src/pages/Home.vue#L63) ### Steps to reproduce ``` npm i npm run dev ``` ### What is expected? no errors ### What is actually happening? ``` (63,22): error TS2339: Property 'type' does not exist on type 'VueConstructor<Vue>'. ``` <!-- generated by vue-issues. DO NOT REMOVE -->