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Theme Documentation - mermaid Shortcode

Dillon included in Documentation

2020-03-03 597 words 3 minutes views

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Contents

LoveIt CHANGED | 0.2.11

The mermaid shortcode supports diagrams in Hugo with Mermaid library.

Mermaid is a library helping you to generate diagram and flowcharts from text, in a similar manner as Markdown.

Just insert your mermaid code in the mermaid shortcode and that’s it.

Flowchart

Example flowchart mermaid input:

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{{< mermaid >}}
graph LR;
    A[Hard edge] -->|Link text| B(Round edge)
    B --> C{Decision}
    C -->|One| D[Result one]
    C -->|Two| E[Result two]
{{< /mermaid >}}

The rendered output looks like this:

Sequence Diagram

Example sequence diagram mermaid input:

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{{< mermaid >}}
sequenceDiagram
    participant Alice
    participant Bob
    Alice->>John: Hello John, how are you?
    loop Healthcheck
        John->John: Fight against hypochondria
    end
    Note right of John: Rational thoughts <br/>prevail...
    John-->Alice: Great!
    John->Bob: How about you?
    Bob-->John: Jolly good!
{{< /mermaid >}}

The rendered output looks like this:

Gantt

Example Gantt mermaid input:

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{{< mermaid >}}
gantt
dateFormat  YYYY-MM-DD
title Adding GANTT diagram to mermaid
excludes weekdays 2014-01-10

section A section
Completed task            :done,    des1, 2014-01-06,2014-01-08
Active task               :active,  des2, 2014-01-09, 3d
Future task               :         des3, after des2, 5d
Future task2              :         des4, after des3, 5d
{{< /mermaid >}}

The rendered output looks like this:

Class Diagram

Example class diagram mermaid input:

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{{< mermaid >}}
classDiagram
    Animal <|-- Duck
    Animal <|-- Fish
    Animal <|-- 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()
    }
{{< /mermaid >}}

The rendered output looks like this:

State Diagram

Example state diagram mermaid input:

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{{< mermaid >}}
stateDiagram-v2
    [*] --> Still
    Still --> [*]
    Still --> Moving
    Moving --> Still
    Moving --> Crash
    Crash --> [*]
{{< /mermaid >}}

The rendered output looks like this:

Git Graph

Example git graph mermaid input:

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{{< mermaid >}}
gitGraph
    commit
    commit
    branch develop
    checkout develop
    commit
    commit
    checkout main
    merge develop
    commit
    commit
{{< /mermaid >}}

The rendered output looks like this:

Entity Relationship Diagram

Example entity-relationship diagram mermaid input:

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{{< mermaid >}}
erDiagram
    CUSTOMER ||--o{ ORDER : places
    ORDER ||--|{ LINE-ITEM : contains
    CUSTOMER }|..|{ DELIVERY-ADDRESS : uses
{{< /mermaid >}}

The rendered output looks like this:

User Journey

Example user journey mermaid input:

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{{< mermaid >}}
journey
    title My working day
    section Go to work
      Make tea: 5: Me
      Go upstairs: 3: Me
      Do work: 1: Me, Cat
    section Go home
      Go downstairs: 5: Me
      Sit down: 5: Me
{{< /mermaid >}}

The rendered output looks like this:

Pie Chart

Example pie chart mermaid input:

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{{< mermaid >}}
pie
    "Dogs" : 386
    "Cats" : 85
    "Rats" : 15
{{< /mermaid >}}

The rendered output looks like this:

Requirement Diagram

Example requirement diagram mermaid input:

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{{< mermaid >}}
requirementDiagram

requirement test_req {
id: 1
text: the test text.
risk: high
verifymethod: test
}

element test_entity {
type: simulation
}

test_entity - satisfies -> test_req
{{< /mermaid >}}

The rendered output looks like this:

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