Mermaid

{{< 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 >}}

{{< mermaid >}}
flowchart TB
  c1-->a2
  subgraph one
  a1-->a2
  end
  subgraph two
  b1-->b2
  end
  subgraph three
  c1-->c2
  end
  one --> two
  three --> two
  two --> c2
{{< /mermaid >}}

{{< mermaid >}}
graph TB
  sq[Square shape] --> ci((Circle shape))

  subgraph A
    od>Odd shape]-- Two line<br/>edge comment --> ro
    di{Diamond with <br/> line break} -.-> ro(Rounded<br>square<br>shape)
    di==>ro2(Rounded square shape)
  end

  %% Notice that no text in shape are added here instead that is appended further down
  e --> od3>Really long text with linebreak<br>in an Odd shape]

  %% Comments after double percent signs
  e((Inner / circle<br>and some odd <br>special characters)) --> f(,.?!+-*ز)

  cyr[Cyrillic]-->cyr2((Circle shape Начало));

    classDef green fill:#9f6,stroke:#333,stroke-width:2px;
    classDef orange fill:#f96,stroke:#333,stroke-width:4px;
    class sq,e green
    class di orange
{{< /mermaid >}}

{{< 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 >}}

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

{{< 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 >}}

{{< mermaid >}}
gantt
  dateFormat  YYYY-MM-DD
  title       Adding GANTT diagram functionality to mermaid
  excludes    weekends
  %% (`excludes` accepts specific dates in YYYY-MM-DD format, days of the week ("sunday") or "weekends", but not the word "weekdays".)

  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

  section Critical tasks
  Completed task in the critical line :crit, done, 2014-01-06,24h
  Implement parser and jison          :crit, done, after des1, 2d
  Create tests for parser             :crit, active, 3d
  Future task in critical line        :crit, 5d
  Create tests for renderer           :2d
  Add to mermaid                      :1d

  section Documentation
  Describe gantt syntax               :active, a1, after des1, 3d
  Add gantt diagram to demo page      :after a1  , 20h
  Add another diagram to demo page    :doc1, after a1  , 48h

  section Last section
  Describe gantt syntax               :after doc1, 3d
  Add gantt diagram to demo page      :20h
  Add another diagram to demo page    :48h
{{< /mermaid >}}

{{< mermaid >}}
pie
  title Key elements in Product X
  "Calcium" : 42.96
  "Potassium" : 50.05
  "Magnesium" : 10.01
  "Iron" :  5
{{< /mermaid >}}

{{< mermaid >}}
mindmap
  root((mindmap))
    Origins
      Long history
      ::icon(fa fa-book)
      Popularisation
        British popular psychology author Tony Buzan
    Research
      On effectiveness<br/>and features
      On Automatic creation
        Uses
            Creative techniques
            Strategic planning
            Argument mapping
    Tools
      Pen and paper
      Mermaid

{{< /mermaid >}}

{{< mermaid >}}
timeline
  title History of Social Media Platform
  2002 : LinkedIn
  2004 : Facebook : Google
  2005 : Youtube
  2006 : Twitter
{{< /mermaid >}}

{{< mermaid >}}
timeline
  title MermaidChart 2023 Timeline
  section 2023 Q1 <br> Release Personal Tier
    Buttet 1 : sub-point 1a : sub-point 1b
      : sub-point 1c
    Bullet 2 : sub-point 2a : sub-point 2b
  section 2023 Q2 <br> Release XYZ Tier
    Buttet 3 : sub-point <br> 3a : sub-point 3b
      : sub-point 3c
    Bullet 4 : sub-point 4a : sub-point 4b

{{< /mermaid >}}

{{< mermaid >}}
---
title: Example Git diagram
---
gitGraph
   commit
   commit
   branch develop
   checkout develop
   commit
   commit
   checkout main
   merge develop
   commit
   commit

{{< /mermaid >}}

{{< 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 >}}

{{< mermaid >}}
    C4Context
      title System Context diagram for Internet Banking System
      Enterprise_Boundary(b0, "BankBoundary0") {
        Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
        Person(customerB, "Banking Customer B")
        Person_Ext(customerC, "Banking Customer C", "desc")

        Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")

        System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")

        Enterprise_Boundary(b1, "BankBoundary") {

          SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")

          System_Boundary(b2, "BankBoundary2") {
            System(SystemA, "Banking System A")
            System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts. next line.")
          }

          System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
          SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")

          Boundary(b3, "BankBoundary3", "boundary") {
            SystemQueue(SystemF, "Banking System F Queue", "A system of the bank.")
            SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
          }
        }
      }

      BiRel(customerA, SystemAA, "Uses")
      BiRel(SystemAA, SystemE, "Uses")
      Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
      Rel(SystemC, customerA, "Sends e-mails to")

      UpdateElementStyle(customerA, $fontColor="red", $bgColor="grey", $borderColor="red")
      UpdateRelStyle(customerA, SystemAA, $textColor="blue", $lineColor="blue", $offsetX="5")
      UpdateRelStyle(SystemAA, SystemE, $textColor="blue", $lineColor="blue", $offsetY="-10")
      UpdateRelStyle(SystemAA, SystemC, $textColor="blue", $lineColor="blue", $offsetY="-40", $offsetX="-50")
      UpdateRelStyle(SystemC, customerA, $textColor="red", $lineColor="red", $offsetX="-50", $offsetY="20")

      UpdateLayoutConfig($c4ShapeInRow="3", $c4BoundaryInRow="1")
{{< /mermaid >}}