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1. vagra commented on May 27, 2020

   

   vagra

   on May 27, 2020

   Last edited by vagra

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   Option B

   vagra@6a1389a

   this code like the Option A, but has some diffrents.

   1. if you click the icon before item, can expand/collpse the children;
   2. if you click the item link, can scroll to the anchor in the main content.

   when loadSidebar: true, look https://kepan.org/click1/
   

   when loadSidebar: false, look https://kepan.org/click0/
   

   if you guys like it, I can submit a PR.

   tell me you like Option A, or like Option B?
2. vagra commented on May 27, 2020

   

   vagra

   on May 27, 2020

   Last edited by vagra

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   Keep sync scroll when some items collpsed in sidebar.

   I add some changes, if some items collpsed in sidebar, keep it sync scroll.

   1. click link to expand/collapse, and scroll the main content:
      total changes: https://github.com/vagra/docsify/pull/12/files
      loadSidebar=false: https://kepan.org/side0/
      loadSidebar=true: https://kepan.org/side1/

   2. click arrow icon to expand/collapse, don't scroll:
      total changes: https://github.com/vagra/docsify/pull/11/files
      loadSidebar=false: https://kepan.org/click0/
      loadSidebar=true: https://kepan.org/click1/
3. vagra commented on May 28, 2020

   

   vagra

   on May 28, 2020

   Last edited by vagra

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   I add function findParents(active), the usage is finding the parent nodes of active node, at parent class for them, then return the top level collapsed parent node.

   then set active node to it, then scroll into view.

   this fix the bug: if a node collapsed, when main content scroll to it's children, the sidebar jump to top.

   function highlight(path) {
     ......
     parents.forEach(node => node.classList.remove('parent'));
     active = findParents(active);
   
     // Scroll into view
     ......
   }
   
   function findParents(active) {
     if (!active) {
       return active;
     }
   
     let top = active;
     let node = active.parentNode;
   
     while (node) {
       if (node.classList.contains('app-sub-sidebar')) {
         node = node.parentNode;
         continue;
       } else if (node.classList.contains('has-children')) {
         node.classList.add('parent');
         if (node.classList.contains('collapse')) {
           top = node;
         }
         node = node.parentNode;
         continue;
       } else {
         return top;
       }
     }
   }
4. vagra commented on May 28, 2020

   

   vagra

   on May 28, 2020

   ContributorAuthor

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   this expand/collapse function is not like #1145 , it only:

   1. expand/collapse by click;
   2. highlight/sync by scroll and click;
   3. not auto expand/collapse when scroll.
5. vagra commented on May 30, 2020

   

   vagra

   on May 30, 2020

   Last edited by vagra

   ContributorAuthor

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   Option: Plugin

   I making this function as plugin, named sideplus:

   total changes: https://github.com/vagra/docsify/pull/13/files

   loadSidebar=false: https://kepan.org/plug0/
   loadSidebar=true: https://kepan.org/plug1/

   however, it is not recommended to use plugin. The minimal change solution I recommend is Option A.

   because there is a problem with the current docsify: when the parent item is collapsed, the page scrolls to the anchor of its child item, sidebar will lose focus, and will jump to the top.

   this makes Option A the ideal solution with minimal changes.
6. Koooooo-7

   added

   enhancement

   on Jun 7, 2020
7. knightknight commented on Mar 4, 2021

   

   knightknight

   on Mar 4, 2021

   Last edited by knightknight

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   has there been any progress on this feature?

   - I found it in the plugins section.
8. sy-records

   closed this as a duplicateof collapsible sidebar root sidebar items #900 on Jul 25, 2025