Bug(Derived from the official): Tabs(a[data-toggle="tab"][href="#..."]) push browser history twice

[yuki-takei]

Environment

• [crowi-plus] 1.2.13
• [node.js] 6.10.0
• [browser] Firefox 52.2.1

How to reproduce? (再現手順)

1. Goto /admin/customize and enable "タブ変更をブラウザ履歴に保存" option
2. Access to any wiki page
3. Click "Edit" tab ("#edit-form" hash will be added to url)
4. Click "History" tab ("#revision-history hash will be added to url)
5. Click "Edit" tab again ("#edit-form" hash will be added to url)
6. Browser back x N times

What happens? (症状)

• 1st back: "#revision-history" is shown
• 2nd back: "#revision-history" is still shown
• 3rd back: "#edit-form" is shown
• 4th back: "#edit-form" is still shown
• 5th back: the page without hash is shown

What is the expected result? (期待される動作)

• 1st back: "#revision-history" is shown
• 2nd back: "#edit-form" is shown
• 3rd back: the page without hash is shown

Note

• This is a bug from official Crowi

[yuki-takei]

This problem couldn't be solved completely...
Unexpected behavior still caused in the following case.

How to reproduce?

1. Goto /admin/customize and enable "タブ変更をブラウザ履歴に保存" option
2. Access to wiki page A
3. Access to wiki page B
4. Click "Edit" tab ("#edit-form" hash will be added to url)
5. Browser back x N times

What happens?

• 1st back: page B with "#" is shown
• 2nd back: page B without hash is still shown
• 3rd back: page A is shown

What is the expected result?

• 1st back: page B (with or without "#") is shown
• 2nd back: page A is shown

[yuki-takei]

If this is annoying, disable "タブ変更をブラウザ履歴に保存" option.