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Show HN: GUI for editing Mermaid class diagrams

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Re: Show HN: GUI for editing Mermaid class diagrams

#13
post #12
post #9

Do Mermaid class diagrams support generics (parameterized types)?

Yes

> … though generics that include a comma are currently not supported. [1]

So yes-ish, only in the most basic way.

[1] https://mermaid.js.org/syntax/classDiagram.html

Re: Show HN: GUI for editing Mermaid class diagrams

#14

I spent some time playing around with this recently and loved it at first. I also realized ChatGPT is pretty good at generating Mermaid diagrams (didn't try your own AI features). However after getting into it some I ran into some significant frustrations. After creating a medium-complexity diagram, I was excited to see the Whiteboard feature to drag things around / improve the layout manually. But it really started…

I had the exact same set of issues and questions.

Re: Show HN: GUI for editing Mermaid class diagrams

#15
post #2

Nice! I love how mermaid keeps getting better! For sequence-diagrams, nothing beats https://sequencediagram.org/ (I am not connected with them in any way, just a happy user)

Agreed. I’ve tried other editors but so far I’ve always come back to sequencediagram.org — it just works, low fuss.

Re: Show HN: GUI for editing Mermaid class diagrams

#16
post #2

Nice! I love how mermaid keeps getting better! For sequence-diagrams, nothing beats https://sequencediagram.org/ (I am not connected with them in any way, just a happy user)

sequencediagram.org is using PlantUML I believe, so you can do these locally without their website.

Re: Show HN: GUI for editing Mermaid class diagrams

#17

I spent some time playing around with this recently and loved it at first. I also realized ChatGPT is pretty good at generating Mermaid diagrams (didn't try your own AI features). However after getting into it some I ran into some significant frustrations. After creating a medium-complexity diagram, I was excited to see the Whiteboard feature to drag things around / improve the layout manually. But it really started…

> it just wouldn't let me organize/drag things where I wanted, and I couldn't get things to not overlap

I suspect this might be a fundamental issue with mermaid. I've always had issues getting it to lay things out in any other way than how it "wants" me to, with giant gaps between things

Re: Show HN: GUI for editing Mermaid class diagrams

#18
post #2

Nice! I love how mermaid keeps getting better! For sequence-diagrams, nothing beats https://sequencediagram.org/ (I am not connected with them in any way, just a happy user)

I've used this in the past for collaborative diagramming sessions and love its ease and simplicity, but the point of Mermaid is its portability - ie. can be embedded in Markdown docs and viewed in various editors/platforms.

Re: Show HN: GUI for editing Mermaid class diagrams

#20

I spent some time playing around with this recently and loved it at first. I also realized ChatGPT is pretty good at generating Mermaid diagrams (didn't try your own AI features). However after getting into it some I ran into some significant frustrations. After creating a medium-complexity diagram, I was excited to see the Whiteboard feature to drag things around / improve the layout manually. But it really started…

Hi there, Mermaid CEO here:)

I hear you on the whiteboard. It's still in its early days. Should be substantially improved in the coming months.

To clarify on mermaidchart.com and mermaid.live, we are the same team. Mermaid.live is our fully open source hosted editor. This was the original editor for our 10 year old open source project. The creator of Mermaid recently founded mermaidchart.com with the CEO of Gitlab's venture studio to expand the capabilities of Mermaid for more users and build an enterprise grade product. The company is open core and venture backed. The Mermaid project will remain forever open source and will continue to invest in growing it and the company for those that desire more advanced business features.

We really appreciate your feedback and support. Ping me if you'd like to chat with our product team about the features you're hoping for:) andrew@mermaidchart.com

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