What is Mermaid? – Purple Rhapsody Tech

Mermaid is a pseudo-code way of generating diagrams quickly without worrying about pixel-positioning that traditional drag and drop diagram creation requires. It lets you take pseudo code like this:

sequenceDiagram
    Terry -->> Jody : Hello()
    Jody -->> Terry: returns "hello yourself""

And auto-generate a diagram like this:

Mermaid handles a huge number of diagram types:

Sequence Diagrams
Flowchart Diagrams
Class Diagrams
State Diagrams
… and so much more – check out the Mermaid site for more details.