Mermaid JS プラグイン

[sam (Sam Saffron)]

Simplest would be just to use the graphviz plugin instead

Discourse Graphviz

Summary Discourse Graphviz provides the ability to add graphs to posts using the DOT language. Install Guide This plugin is bundled with Discourse core. There is no need to install the plugin separately. Features This plugin uses the Viz.js library to render graphs. To embed a graph use [graphviz] [/graphviz] bbcode. Optionally you can define layout engine attributes: [graphviz engine=neato]. If engine is not defined, it defaults to the dot engine…