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Tutorials

This is list of publicly available Tutorials for using Mermaid.JS . This is intended as a basic introduction for the use of the Live Editor for generating diagrams, and deploying Mermaid.JS through HTML.

**Note that these tutorials might display an older interface, but the usage of the live-editor will largely be the same.

For most purposes, you can use the Live Editor, to quickly and easily render a diagram.

Live-Editor Tutorials

The definitions that can be generated the Live-Editor are also backwards-compatible as of version 8.7.0.

GitLab Unfiltered: How to Create Mermaid Diagrams

GitLab Unfiltered: Emilie adds a mermaid diagram to the handbook

World of Zero: I Learn How To Build Flowcharts and Signal Diagram's in Mermaid.JS

Eddie Jaoude: Can you code your diagrams?

Mermaid with HTML

Examples are provided in Gettting Started

CodePen Examples:

https://codepen.io/CarlBoneri/pen/BQwZzq

https://codepen.io/tdkn/pen/vZxQzd

https://codepen.io/janzeteachesit/pen/OWWZKN

Mermaid with Text Area

https://codepen.io/Ryuno-Ki/pen/LNxwgR

Python Integration with mermaid-js

Here's an example of python integration with mermaid-js which uses the mermaid.ink service. This is also working with colab and jupyter lab notebooks.

import base64
import requests, io
from PIL import Image
import matplotlib.pyplot as plt

graph = """
graph LR;
    A--> B & C & D;
    B--> A & E;
    C--> A & E;
    D--> A & E;
    E--> B & C & D;
"""

graphbytes = graph.encode("ascii")
base64_bytes = base64.b64encode(graphbytes)
base64_string = base64_bytes.decode("ascii")
img = Image.open(io.BytesIO(requests.get('https://mermaid.ink/img/' + base64_string).content))
plt.imshow(img)

Output

image