React: DevTools: Profiler: Save profile does nothing on Firefox

[deadmau6]

Hi, long time user, first time issuer.

I think I found a bug with the Profiler component. When I click on the Save profile... button at the top nothing happens and there appears to be no new files in my Downloads folder. I think it might be silently failing and that's why I am not getting any response. Has anyone else ran into this issue?

Another thing I would like to mention is that I haven't looked through all of the documentation material about the new Profiler. I only read this introductory blog post, so if this issue is addressed elsewhere I apologize and also request the source to that solution.

Thank you for your time!

Versions:

• React DevTools 4.0.5
• Firefox: 68.0.2(64-bit)
• Ubuntu: 18.04

[hristo-kanchev]

It seems that this is happening because of the createElement call in the downloadFile util function.

I'll investigate this further.

[hristo-kanchev]

I fixed the issue. I'll open a PR later today :)