Next complied success even if typescript type check error #6466
Description
Examples bug report
Typescript type check error show on IDE but still complied success
Example name
custom-server-typescript
Describe the bug
A clear and concise description of what the bug is.
To Reproduce
Steps to reproduce the behavior, please provide code snippets or a repository:
- Do anything to make typescript complain but still a valid js code (E.g let a: string = 1)
Expected behavior
Throw error on type check error
Screenshots
System information
- OS: Windows
- Browser (if applies) [e.g. chrome, safari]
- Version of Next.js: 8.0.1