doc22940 / mermaid

Generation of diagram and flowchart from text in a similar manner as markdown

📣 📣 📣
* If you're upgrading from a version < v8.2.0, there are non-backward-compatible changes related to security issues. Default behaviour of the library might have changed for your implementation.

mermaid

Generate diagrams, charts, graphs or flows from markdown-like text via javascript. See our documentation and start simplifying yours. Play in our live editor or jump straight to the installation and usage.

🏆 "The most exciting use of technology" - JS Open Source Awards (2019)

Flow [docs - live editor]
graph TD A[Hard] -->|Text| B(Round) B --> C{Decision} C -->|One| D[Result 1] C -->|Two| E[Result 2]
Sequence [docs - live editor]
sequenceDiagram Alice->>John: Hello John, how are you? loop Healthcheck John->>John: Fight against hypochondria end Note right of John: Rational thoughts! John-->>Alice: Great! John->>Bob: How about you? Bob-->>John: Jolly good!
Gantt [docs - live editor]
gantt section Section Completed :done, des1, 2014-01-06,2014-01-08 Active :active, des2, 2014-01-07, 3d Parallel 1 : des3, after des1, 1d Parallel 2 : des4, after des1, 1d Parallel 3 : des5, after des3, 1d Parallel 4 : des6, after des4, 1d
Class [docs - live editor]
classDiagram Class01 <|-- AveryLongClass : Cool <<interface>> Class01 Class09 --> C2 : Where am i? Class09 --* C3 Class09 --|> Class07 Class07 : equals() Class07 : Object[] elementData Class01 : size() Class01 : int chimp Class01 : int gorilla class Class10 { <<service>> int id size() }
State [docs - live editor]
stateDiagram [*] --> Still Still --> [*] Still --> Moving Moving --> Still Moving --> Crash Crash --> [*]
Pie [docs - live editor]
pie "Dogs" : 386 "Cats" : 85 "Rats" : 15
Git [experimental - live editor]
Coming soon!

Related projects

• Command Line Interface
• Live Editor

Contributors

Mermaid is a growing community and is always accepting new contributors. There's a lot of different ways to help out and we're always looking for extra hands! Look at this issue if you want to know where to start helping out.

Detailed information about how to contribute can be found in the contribution guide

Appreciation

A quick note from Knut Sveidqvist:

Many thanks to the d3 and dagre-d3 projects for providing the graphical layout and drawing libraries! Thanks also to the js-sequence-diagram project for usage of the grammar for the sequence diagrams. Thanks to Jessica Peter for inspiration and starting point for gantt rendering. Thank you to Tyler Long who has been a collaborator since April 2017.

Thank you to the ever-growing list of contributors that brought the project this far!

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Mermaid was created by Knut Sveidqvist for easier documentation.