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Diagrams and Flowcharts

·250 words·2 mins·
Mermaid Sample Diagram Shortcodes
Alan Sun
Author
Alan Sun
举头望明月 明月照沟渠

Mermaid diagrams are supported in Blowfish using the mermaid shortcode. Simply wrap the diagram markup within the shortcode. Blowfish automatically themes Mermaid diagrams to match the configured colorScheme parameter.

Refer to the mermaid shortcode docs for more details.

The examples below are a small selection taken from the official Mermaid docs. You can also view the page source on GitHub to see the markup.

Flowchart
#

graph TD
A[Christmas] -->|Get money| B(Go shopping)
B --> C{Let me think}
B --> G[/Another/]
C ==>|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[Car]
subgraph Section
C
D
E
F
G
end

Sequence diagram
#

sequenceDiagram
autonumber
par Action 1
Alice->>John: Hello John, how are you?
and Action 2
Alice->>Bob: Hello Bob, how are you?
end
Alice->>+John: Hello John, how are you?
Alice->>+John: John, can you hear me?
John-->>-Alice: Hi Alice, I can hear you!
Note right of John: John is perceptive
John-->>-Alice: I feel great!
loop Every minute
John-->Alice: Great!
end

Class diagram
#

classDiagram
Animal "1" <|-- Duck
Animal <|-- Fish
Animal <--o Zebra
Animal : +int age
Animal : +String gender
Animal: +isMammal()
Animal: +mate()
class Duck{
+String beakColor
+swim()
+quack()
}
class Fish{
-int sizeInFeet
-canEat()
}
class Zebra{
+bool is_wild
+run()
}

Entity relationship diagram
#

erDiagram
CUSTOMER }|..|{ DELIVERY-ADDRESS : has
CUSTOMER ||--o{ ORDER : places
CUSTOMER ||--o{ INVOICE : "liable for"
DELIVERY-ADDRESS ||--o{ ORDER : receives
INVOICE ||--|{ ORDER : covers
ORDER ||--|{ ORDER-ITEM : includes
PRODUCT-CATEGORY ||--|{ PRODUCT : contains
PRODUCT ||--o{ ORDER-ITEM : "ordered in"

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