Version

3.2.20

Reproduction link

github.com

Steps to reproduce

npm install && npm run serve open browser

What is expected?

demo show

What is actually happening?

vue warn: Component is missing template or render function

compare v3.2.19 and v3.2.20, in v3.2.20 there is not render function exports by component.__vccOpts

Your reproduction is not minimal, please read and follow https://new-issue.vuejs.org/?repo=vuejs/vue-next#why-repro when reporting a bug. Most bugs should be reproducible with the SFC Playground.

Your reproduction is not minimal, please read and follow https://new-issue.vuejs.org/?repo=vuejs/vue-next#why-repro when reporting a bug. Most bugs should be reproducible with the SFC Playground.

So, how can i create a demo in https://sfc.vuejs.org/ and import vue-class-component?

see: https://sfc.vuejs.org/#eyJBcHAudnVlIjoiPHRlbXBsYXRlPlxuICA8ZGl2IGlkPVwibmF2XCI+XG4gICAgPHA+dGVzdDwvcD5cbiAgPC9kaXY+XG48L3RlbXBsYXRlPlxuXG48c2NyaXB0IGxhbmc9XCJ0c1wiPlxuaW1wb3J0IHsgT3B0aW9ucywgVnVlIH0gZnJvbSBcInZ1ZS1jbGFzcy1jb21wb25lbnRcIjtcblxuQE9wdGlvbnMoe1xuICBjb21wb25lbnRzOiB7XG4gIH0sXG59KVxuZXhwb3J0IGRlZmF1bHQgY2xhc3MgQXBwIGV4dGVuZHMgVnVlIHt9XG48L3NjcmlwdD4iLCJpbXBvcnQtbWFwLmpzb24iOiJ7XG4gIFwiaW1wb3J0c1wiOiB7XG4gICAgXCJ2dWVcIjogXCJodHRwczovL3NmYy52dWVqcy5vcmcvdnVlLnJ1bnRpbWUuZXNtLWJyb3dzZXIuanNcIlxuICB9XG59In0= it warns: This experimental syntax requires enabling one of the following parser plugin(s): 'decorators-legacy, decorators' (5:0)

you can fix it in "https://github.com/vuejs/vue-next/issues/4654"