fix(docs): fix sidebar scrollIntoView selecting last item erroneously

[Botato300]

Description

Problem: Currently, when you go to: https://nodejs.org/docs/latest/api/. the scrollbar in the side menu automatically scrolls all the way to the bottom; it should only scroll automatically when a module is selected. The problem was that when there was no match, the link variable would retain the last item in the array, which is why it would scroll the scrollbar all the way to the bottom.

Solution: Simply change how the match is detected and the for-of loop: if no match is found, the activeLink variable remains null and the function exits early with a return, preventing the scrollbar from moving.

Validation

Just try accessing the website (/docs/latest/api/) with this change.

Related Issues

None.

Check List

• I have read the Contributing Guidelines and made commit messages that follow the guideline.
• I have run node --run test and all tests passed.
• I have check code formatting with node --run format & node --run lint.
• I've covered new added functionality with unit tests if necessary.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
api-docs-tooling	Ready	Preview	Apr 3, 2026 1:58am

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.17%. Comparing base (e45645a) to head (19d7cda).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #728   +/-   ##
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  Coverage   77.17%   77.17%           
=======================================
  Files         153      153           
  Lines       13771    13771           
  Branches     1114     1114           
=======================================
  Hits        10628    10628           
  Misses       3139     3139           
  Partials        4        4           

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