Intellisense not work if the component doesn't have any of data, computed, methods

[Coffcer]

• [x] I have searched through existing issues
• [x] I have read through docs
• [x] I have read FAQ

Info

• Platform: Win 7
• Vetur version: 0.12.5
• VS Code version: 1.24.1

Problem

If data, computed or methods, any of it, are not in the component, intellisense won't be taken into effect. See the graph below:

doesn't have computed, not work:

work good:

[yoyo930021]

This is a upstream problem in vue lib.