6810: Fix tooltip rendering to appear correctly near hovered elements

[darshanr0107]

📑 Summary

This PR fixes an issue where the tooltip was being rendered at the bottom of the page instead of appearing near the hovered element.
Resolves #6810

📏 Design Decisions

Describe the way your implementation works or what design decisions you made if applicable.

📋 Tasks

Make sure you

• 📖 have read the contribution guidelines
• 💻 have added necessary unit/e2e tests.
• 📓 have added documentation. Make sure MERMAID_RELEASE_VERSION is used for all new features.
• 🦋 If your PR makes a change that should be noted in one or more packages' changelogs, generate a changeset by running pnpm changeset and following the prompts. Changesets that add features should be minor and those that fix bugs should be patch. Please prefix changeset messages with feat:, fix:, or chore:.

[changeset-bot]

🦋 Changeset detected

Latest commit: a8d89db

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
mermaid	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[netlify]

✅ Deploy Preview for mermaid-js ready!

Name	Link
🔨 Latest commit	a8d89db
🔍 Latest deploy log	https://app.netlify.com/projects/mermaid-js/deploys/6912bb7f27fc6f0008b73941
😎 Deploy Preview	https://deploy-preview-7052--mermaid-js.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[pkg-pr-new]

Open in StackBlitz

@mermaid-js/examples

npm i https://pkg.pr.new/mermaid-js/mermaid/@mermaid-js/examples@7052

mermaid

npm i https://pkg.pr.new/mermaid-js/mermaid@7052

@mermaid-js/layout-elk

npm i https://pkg.pr.new/mermaid-js/mermaid/@mermaid-js/layout-elk@7052

@mermaid-js/layout-tidy-tree

npm i https://pkg.pr.new/mermaid-js/mermaid/@mermaid-js/layout-tidy-tree@7052

@mermaid-js/mermaid-zenuml

npm i https://pkg.pr.new/mermaid-js/mermaid/@mermaid-js/mermaid-zenuml@7052

@mermaid-js/parser

npm i https://pkg.pr.new/mermaid-js/mermaid/@mermaid-js/parser@7052

@mermaid-js/tiny

npm i https://pkg.pr.new/mermaid-js/mermaid/@mermaid-js/tiny@7052

commit: a8d89db

[codecov]

Codecov Report

❌ Patch coverage is 0% with 46 lines in your changes missing coverage. Please review.
✅ Project coverage is 3.54%. Comparing base (6b9f26d) to head (a8d89db).
⚠️ Report is 118 commits behind head on develop.

Files with missing lines	Patch %	Lines
packages/mermaid/src/diagrams/class/classDb.ts	0.00%	21 Missing ⚠️
...kages/mermaid/src/diagrams/common/svgDrawCommon.ts	0.00%	21 Missing ⚠️
packages/mermaid/src/diagrams/flowchart/flowDb.ts	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #7052      +/-   ##
==========================================
- Coverage     3.55%   3.54%   -0.01%     
==========================================
  Files          473     474       +1     
  Lines        47496   47527      +31     
  Branches       731     731              
==========================================
  Hits          1687    1687              
- Misses       45809   45840      +31     

Flag	Coverage Δ
unit	3.54% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
packages/mermaid/src/diagrams/flowchart/flowDb.ts	0.00% <0.00%> (ø)
packages/mermaid/src/diagrams/class/classDb.ts	0.00% <0.00%> (ø)
...kages/mermaid/src/diagrams/common/svgDrawCommon.ts	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[argos-ci]

The latest updates on your projects. Learn more about Argos notifications ↗︎

Build	Status	Details	Updated (UTC)
default (Inspect)	✅ No changes detected	-	Nov 11, 2025, 4:40 AM