TypeError: Cannot read property 'render' of null

[salmin89]

Rollup Version

2.74

Operating System (or Browser)

not relevant

Node Version (if applicable)

not relevant

Link To Reproduction

unsure how to replicate it in repl

Expected Behaviour

we use ng-packagr to build our Angular packages. Its dependencies just says latest rollup. Running a build with rollup@2.74 generates this error:

TypeError: Cannot read property 'render' of null

Downgrading rollup to @2.73 fixes this for now.

Actual Behaviour

latest version should still work

[lukastaegert]

It would be really helpful to finally get a stack trace of this error. In any case, I will roll back the parameter default tree-shaking for now, which should hopefully fix the issue. If you could provide a reproduction of sorts for rollup@2.74.0, that would also be super helpful.

[salmin89]

this is all I can provide since this is coming from a library that's using rollup and not our own code

[lukastaegert]

Perfect, thanks a lot!

[lukastaegert]

I created a new PR #4510 that reimplements parameter tree-shaking in a more conservative way. Could you verify that this PR works for you via npm install rollup/rollup#parameter-defaults?

[salmin89]

I created a new PR #4510 that reimplements parameter tree-shaking in a more conservative way. Could you verify that this PR works for you via npm install rollup/rollup#parameter-defaults?

This works for us. Thank you! :)