feat: add Use Case diagram to sample diagrams and documentation#1935
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Sudhanshu-Ambastha wants to merge 1 commit intomermaid-js:developfrom
Open
feat: add Use Case diagram to sample diagrams and documentation#1935Sudhanshu-Ambastha wants to merge 1 commit intomermaid-js:developfrom
Sudhanshu-Ambastha wants to merge 1 commit intomermaid-js:developfrom
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sidharthv96
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Apr 23, 2026
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If a diagram is officially supported by mermaid, it's samples will be pulled from the https://www.npmjs.com/package/@mermaid-js/examples package. We should not be adding it as extras.
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Description
This PR adds the "Use Case" diagram to the Live Editor, allowing users to discover and test the new syntax easily.
Changes
Use Casesample code tosrc/lib/components/Preset.sveltewithin theextrasobject.src/lib/components/DiagramDocumentationButton.svelteto/syntax/usecase.html.Related Issues
Relates to core Mermaid PR: mermaid-js/mermaid#7569 (Use Case Diagram Implementation)
Note to Maintainers
The documentation link will point to a 404 until the main Mermaid site is rebuilt with the new syntax docs. This is intended to ensure functionality once the core release is live.