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markdown: support rendering Mermaid diagrams#6776

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unknwon merged 4 commits intogogs:mainfrom
free1139:feat/mermaid2
Mar 5, 2022
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markdown: support rendering Mermaid diagrams#6776
unknwon merged 4 commits intogogs:mainfrom
free1139:feat/mermaid2

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@free1139 free1139 commented Feb 20, 2022 •
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Trying to support mermaid issue #4229, #6630

I found that need to ran make not go build to took effect.
make generate && make build for build.

Test the mermaid's diagrams were passed.

```mermaid
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;
```

```mermaid
sequenceDiagram
    participant Alice
    participant Bob
    Alice->>John: Hello John, how are you?
    loop Healthcheck
        John->>John: Fight against hypochondria
    end
    Note right of John: Rational thoughts <br/>prevail!
    John-->>Alice: Great!
    John->>Bob: How about you?
    Bob-->>John: Jolly good!
```

The renderings
image

@free1139 free1139 mentioned this pull request Feb 20, 2022
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free1139 commented Feb 20, 2022

The the plug-in size has a little big. I don't know why the browser cache doesn't work yet.

image

@unknwon unknwon changed the title add mermaid support Support rendering mermaid in Markdown Mar 4, 2022
@unknwon unknwon self-requested a review March 4, 2022 09:39
@unknwon unknwon added status: waits for review status: waits for QA The changes looks good, just need some sanity check from maintainers and removed status: waits for review labels Mar 4, 2022
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unknwon approved these changes Mar 5, 2022
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Thanks for the PR! The changes LGTM, I just need to pull down do a sanity check locally.

@unknwon unknwon linked an issue Mar 5, 2022 that may be closed by this pull request
Supports Textual UML Diagrams in the markdown editor instead of picture reference #4229
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@unknwon unknwon added status: reviewed and removed status: waits for QA The changes looks good, just need some sanity check from maintainers labels Mar 5, 2022
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codecov bot commented Mar 5, 2022 •
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Codecov Report

Merging #6776 (9378741) into main (8a1a40c) will increase coverage by 0.01%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##            main   #6776      +/-   ##
========================================
+ Coverage   8.79%   8.80%   +0.01%     
========================================
  Files         97      97              
  Lines      13208   13208              
========================================
+ Hits        1161    1163       +2     
+ Misses     11885   11884       -1     
+ Partials     162     161       -1

@unknwon unknwon changed the title Support rendering mermaid in Markdown Support rendering Mermaid diagrams in Markdown Mar 5, 2022
@unknwon unknwon changed the title Support rendering Mermaid diagrams in Markdown markdown: support rendering Mermaid diagrams Mar 5, 2022
@unknwon unknwon merged commit 7c893a5 into gogs:main Mar 5, 2022
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duriandrivendesign commented Jan 6, 2023

This feature looks so incredible I tried to find a way to use it for a few hours, but it didn't work for me.

Can you please hint me on how to enable it, if it's disabled? I tried version 0.11, 0.12.10, 0.13-dev, but none of them seem to react to mermaid syntax like illustrated in the first comment in this thread:

```mermaid
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;

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unknwon commented Jan 7, 2023

Hey @albetech - I just did some quick tests against 0.13.0+dev and confirm that mermaid currently only works for markdown files (i.e. doesn't render for issue and its comments), also "Preview" would still display as code block, I had to save and see the rendered diagram.

CleanShot 2023-01-07 at 16 32 58@2x

CleanShot 2023-01-07 at 16 33 08@2x

dna2github pushed a commit to dna2fork/gogs that referenced this pull request May 1, 2023
@free1139 @unknwon @dna2github
markdown: support rendering Mermaid diagrams (gogs#6776)
8f059b6 
Co-authored-by: Joe Chen <jc@unknwon.io>
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Supports Textual UML Diagrams in the markdown editor instead of picture reference

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