Night mode broken on 0.15.0

[ericmj]

Night mode does not work after page reload on ex_doc 0.15.0.

Working page (with 0.14.5) https://hexdocs.pm/elixir/1.4.2/Kernel.html.
Broken page (with 0.15.0) https://hexdocs.pm/elixir/master/Kernel.html.

[milmazz]

@ericmj Which browser (and version) are you using?

I don't see the error on Chrome (56.0.2924.87), IE 10, and Firefox Developer Edition.

[nscyclone]

@milmazz It seems to be reproducible in FF 51, Chrome Canary 59 and Edge 38.
Here are the steps:

• Visit https://hexdocs.pm/elixir/master/Kernel.html;
• Click on Switch to night mode;
• Press F5;
• The page switches to the day mode.

Might be related to this but it requires some investigation.

[ericmj]

Chrome 56 and Safari 10.0.3 on macOS 10.12.3.

[milmazz]

@nscyclone @ericmj Yes, it should be related with that change:

[ericmj]

I don't think it's related to that change since v0.15.0 was released before and the bug seems to be on that version also: https://hexdocs.pm/ecto/Ecto.html

[nscyclone]

@ericmj @milmazz I guess I found a potential cause. If I am right it seems to be my fault.

[nscyclone]

@ericmj @milmazz Yeah, I was right, it was caused by the recent updates I made to the sidebar.
I am really sorry for that. #686 should fix this issue.

[josevalim]

@nscyclone no problem at all. Thank you for all of your contributions to ExDoc!