Lembar Contekan Mermaid

Referensi cepat lengkap untuk semua sintaks diagram Mermaid.js. Bookmark halaman ini untuk akses cepat ke setiap jenis diagram.

Sintaks Flowchart

Visualisasikan proses, alur kerja, dan algoritma dengan node dan panah terarah. Sempurna untuk proses bisnis dan pohon keputusan.

Basic top-down flow
graph TD
    A[Start] --> B[End]
Decision branching
graph TD
    A{Decision} -->|Yes| B[OK]
    A -->|No| C[Cancel]
Subgraph grouping
graph LR
    subgraph Group
        A --> B
    end
Node shapes
graph TD
    A[Rectangle] --> B(Rounded)
    B --> C{Diamond}
    C --> D((Circle))
    C --> E([Stadium])

Sintaks Diagram Sekuens

Dokumentasikan interaksi antara aktor atau sistem yang berbeda dari waktu ke waktu. Ideal untuk dokumentasi API dan desain sistem.

Basic message exchange
sequenceDiagram
    Alice->>Bob: Hello
    Bob-->>Alice: Hi
Loop block
sequenceDiagram
    loop Every minute
        Alice->>Bob: Ping
    end
Alternative flows
sequenceDiagram
    alt Success
        A->>B: 200 OK
    else Error
        A->>B: 500 Error
    end
Activation boxes
sequenceDiagram
    Alice->>+Bob: Request
    Bob-->>-Alice: Response

Sintaks Diagram Kelas

Modelkan sistem berorientasi objek dengan kelas, atribut, dan relasi. Penting untuk perencanaan arsitektur perangkat lunak.

Class with members
classDiagram
    class Animal {
        +String name
        +makeSound()
    }
Inheritance relationships
classDiagram
    Animal <|-- Dog
    Animal <|-- Cat
    Animal : +String name
Cardinality notation
classDiagram
    Customer "1" --> "*" Order

Sintaks Diagram State

Representasikan transisi state dalam sistem atau aplikasi. Cocok untuk memodelkan state siklus hidup dan alur kerja.

Basic state transitions
stateDiagram-v2
    [*] --> Active
    Active --> [*]
Labeled transitions
stateDiagram-v2
    Idle --> Running: start
    Running --> Idle: stop
Nested composite state
stateDiagram-v2
    state Active {
        [*] --> Working
        Working --> Paused
    }

Sintaks Gantt Chart

Rencanakan dan lacak jadwal proyek dengan tugas dan dependensi. Sempurna untuk manajemen proyek dan penjadwalan.

Basic project schedule
gantt
    title Project
    dateFormat YYYY-MM-DD
    section Phase 1
    Task A :a1, 2024-01-01, 30d
    Task B :after a1, 20d
Task status markers
gantt
    Task Done :done, d1, 2024-01-01, 10d
    Task Active :active, 2024-01-11, 10d
    Task Crit :crit, 2024-01-21, 10d

Sintaks Diagram ER

Rancang skema database dengan entitas dan relasi. Ideal untuk pemodelan dan dokumentasi database.

Entity relationships
erDiagram
    CUSTOMER ||--o{ ORDER : places
    ORDER ||--|{ LINE_ITEM : contains
Entity with attributes
erDiagram
    CUSTOMER {
        int id PK
        string name
        string email
    }

Sintaks Peta Perjalanan

Petakan pengalaman dan interaksi pengguna di berbagai titik sentuh. Sangat baik untuk desain UX dan pemetaan perjalanan pelanggan.

User experience journey
journey
    title User Flow
    section Login
      Visit site: 5: User
      Enter credentials: 3: User
      Dashboard: 4: User
Onboarding satisfaction
journey
    title New User Onboarding
    section Sign up
      Open homepage: 5: Visitor
      Create account: 3: Visitor
      Verify email: 2: Visitor
    section First diagram
      Choose template: 4: User
      Edit code: 5: User
      Export PNG: 5: User
Multi-actor checkout
journey
    title Checkout Flow
    section Browse
      Search product: 4: Customer
      View details: 5: Customer
    section Purchase
      Add to cart: 5: Customer
      Pay: 3: Customer, Stripe
      Confirm order: 5: Customer, Stripe

Sintaks Git Graph

Visualisasikan strategi percabangan Git dan riwayat commit. Berguna untuk menjelaskan alur kerja kontrol versi.

Basic branch and merge
gitGraph
    commit
    branch develop
    commit
    checkout main
    merge develop
Feature branch workflow
gitGraph
    commit
    branch feature
    commit
    commit
    checkout main
    merge feature
    commit

Sintaks Peta Pikiran

Organisir ide, brainstorming, dan buat struktur visual hierarkis. Sempurna untuk perencanaan dan pemetaan pengetahuan.

Central topic with branches
mindmap
  root((Central))
    Topic A
      Detail 1
      Detail 2
    Topic B
      Detail 3
Project planning mindmap
mindmap
  root((Launch Plan))
    Engineering
      Backend API
      Frontend UI
      Testing
    Marketing
      Landing page
      Social media
    Operations
      Support docs
      Pricing
Node shapes and icons
mindmap
  root((Mermaid))
    ::icon(fa fa-book)
    Origins
      Long history
      Popularisation
    [Square]
      (Rounded)
      ((Circle))
    {{Hexagon}}

Sintaks Diagram Lingkaran

Tampilkan distribusi data proporsional dengan diagram lingkaran. Ideal untuk menunjukkan persentase dan analisis pangsa pasar.

Budget distribution
pie title Budget
    "Engineering" : 45
    "Marketing" : 25
    "Operations" : 30
Browser market share
pie showData title Browser Share 2026
    "Chrome" : 64.2
    "Safari" : 18.5
    "Edge" : 5.3
    "Firefox" : 3.1
    "Other" : 8.9
Time allocation
pie title How I Spend My Day
    "Sleep" : 8
    "Work" : 9
    "Meals" : 2
    "Exercise" : 1
    "Free time" : 4

Sintaks Timeline

Visualisasikan peristiwa kronologis dan tonggak sepanjang sumbu waktu. Cocok untuk sejarah proyek dan peta jalan.

Chronological events
timeline
    title History
    2020 : Event A
    2021 : Event B
         : Event C
    2022 : Event D
Product roadmap by section
timeline
    title Product Roadmap
    section 2024
      Q1 : Beta launch
      Q2 : Public release
    section 2025
      Q1 : Mobile apps
      Q2 : Enterprise plan
      Q3 : API v2
    section 2026
      Q1 : AI assistant
      Q2 : Marketplace
Personal study plan
timeline
    title Mermaid Study Plan
    Week 1 : Read syntax docs
           : Try flowcharts
    Week 2 : Sequence diagrams
           : Class diagrams
    Week 3 : Gantt and timeline
    Week 4 : Build a real project

Sintaks Kanban

Organisir tugas ke dalam kolom yang merepresentasikan tahapan alur kerja. Sempurna untuk manajemen proyek agile dan pelacakan tugas.

Task board columns
kanban
  Todo
    Task 1
    Task 2
  In Progress
    Task 3
  Done
    Task 4
Sprint board with metadata
kanban
  Backlog
    [Auth flow]@{ assigned: 'alice', priority: 'High' }
    [Onboarding tour]@{ assigned: 'bob', priority: 'Low' }
  In Progress
    [Payments]@{ assigned: 'carol', priority: 'High' }
  Review
    [Settings page]@{ assigned: 'dan', priority: 'Medium' }
  Done
    [Landing redesign]@{ assigned: 'erin', priority: 'High' }
Bug triage board
kanban
  Reported
    Login 500 error
    Slow PDF export
  Triaged
    Mobile menu glitch
  Fixing
    Dark mode contrast
  Verified
    Empty state typo

Sintaks Diagram Kuadran

Plot item pada grid dua sumbu untuk membandingkan dan memprioritaskan. Ideal untuk prioritas fitur dan analisis strategis.

Priority matrix
quadrantChart
    title Priority Matrix
    x-axis Low Effort --> High Effort
    y-axis Low Impact --> High Impact
    quadrant-1 Plan
    quadrant-2 Do First
    quadrant-3 Delegate
    quadrant-4 Eliminate
    Item A: [0.3, 0.8]
    Item B: [0.7, 0.2]
Reach vs engagement
quadrantChart
    title Reach and Engagement
    x-axis Low Reach --> High Reach
    y-axis Low Engagement --> High Engagement
    quadrant-1 Stars
    quadrant-2 Hidden Gems
    quadrant-3 Filler
    quadrant-4 Volume Plays
    Campaign A: [0.7, 0.8]
    Campaign B: [0.3, 0.7]
    Campaign C: [0.2, 0.2]
    Campaign D: [0.8, 0.3]
Styled quadrant chart
quadrantChart
    title Tech Choices
    x-axis Hard --> Easy
    y-axis Slow --> Fast
    quadrant-1 Adopt
    quadrant-2 Trial
    quadrant-3 Hold
    quadrant-4 Assess
    Vue: [0.8, 0.7] radius: 12, color: #41b883
    React: [0.7, 0.7] radius: 12, color: #61dafb
    Svelte: [0.6, 0.85] radius: 10, color: #ff3e00

Sintaks Diagram Sankey

Visualisasikan kuantitas aliran antar node dengan panah proporsional. Sempurna untuk aliran energi, alokasi anggaran, dan corong konversi.

Flow quantities between nodes
sankey-beta

Source,Target,Value
A,X,5
A,Y,3
B,X,2
B,Y,8
Marketing funnel breakdown
sankey-beta

Visitors,Signups,1200
Visitors,Bounce,3800
Signups,Trial,800
Signups,Free Plan,400
Trial,Paid,250
Trial,Churn,550
Energy flow diagram
sankey-beta

Solar,Grid,40
Wind,Grid,30
Coal,Grid,80
Grid,Residential,50
Grid,Industrial,80
Grid,Losses,20

Sintaks Grafik XY

Buat diagram batang dan diagram garis dengan sumbu yang dapat disesuaikan. Ideal untuk visualisasi data dan analisis tren.

Bar and line chart
xychart-beta
    title "Sales"
    x-axis [Jan, Feb, Mar, Apr]
    y-axis "Revenue" 0 --> 100
    bar [30, 50, 70, 90]
    line [30, 50, 70, 90]
Quarterly bar chart
xychart-beta
    title "Quarterly Revenue (USD k)"
    x-axis ["Q1", "Q2", "Q3", "Q4"]
    y-axis "Revenue" 0 --> 250
    bar [120, 145, 180, 220]
Multi-line growth comparison
xychart-beta
    title "Active Users"
    x-axis [Jan, Feb, Mar, Apr, May, Jun]
    y-axis "Users (k)" 0 --> 50
    line [10, 14, 18, 25, 33, 42]
    line [8, 11, 15, 20, 24, 28]
Horizontal bar chart
xychart-beta horizontal
    title "Programming Language Popularity"
    x-axis "Share (%)" 0 --> 30
    y-axis [JavaScript, Python, Java, C#, Go]
    bar [25, 22, 14, 8, 5]

Sintaks Diagram Blok

Bangun tata letak terstruktur dengan blok yang disusun dalam kolom dan baris. Cocok untuk arsitektur sistem dan gambaran umum komponen.

Columnar block layout
block-beta
columns 3
  a["A"]:3
  b["B"] c["C"] d["D"]
Block shapes and arrows
block-beta
columns 4
  a["Input"] b("Process") c{{"Decision"}} d[("Storage")]
  a --> b
  b --> c
  c --> d
System architecture blocks
block-beta
columns 3
  Web["Web App"]:3
  space:3
  API["REST API"] Auth["Auth Service"] DB[("Postgres")]
  Web --> API
  API --> Auth
  API --> DB

Sintaks Diagram Arsitektur

Rancang arsitektur cloud dan sistem dengan ikon layanan dan koneksi. Sempurna untuk dokumentasi infrastruktur.

Cloud service topology
architecture-beta
    group api(cloud)[API]
    service web(internet)[Web] in api
    service db(database)[DB]
    web:R --> L:db
Three-tier web app
architecture-beta
    group public(cloud)[Public Network]
    group private(cloud)[Private VPC]

    service cdn(internet)[CDN] in public
    service lb(server)[Load Balancer] in public
    service web(server)[Web Tier] in private
    service api(server)[API Tier] in private
    service db(database)[Postgres] in private
    service cache(disk)[Redis] in private

    cdn:R --> L:lb
    lb:R --> L:web
    web:R --> L:api
    api:R --> L:db
    api:B --> T:cache
Event-driven microservices
architecture-beta
    service gw(internet)[API Gateway]
    service queue(server)[Event Bus]
    service orders(server)[Orders]
    service billing(server)[Billing]
    service notify(server)[Notifications]
    service db(database)[Shared DB]

    gw:R --> L:orders
    orders:R --> L:queue
    queue:T --> B:billing
    queue:B --> T:notify
    orders:B --> T:db

Sintaks Diagram Paket

Visualisasikan struktur paket protokol jaringan dengan tata letak field tingkat bit. Penting untuk dokumentasi protokol jaringan.

Network packet field layout
packet-beta
  0-15: "Source Port"
  16-31: "Dest Port"
  32-63: "Sequence Number"
TCP header layout
packet-beta
title TCP Header
  0-15: "Source Port"
  16-31: "Destination Port"
  32-63: "Sequence Number"
  64-95: "Acknowledgment Number"
  96-99: "Data Offset"
  100-105: "Reserved"
  106-111: "Flags"
  112-127: "Window"
  128-143: "Checksum"
  144-159: "Urgent Pointer"
IPv4 header layout
packet-beta
title IPv4 Header
  0-3: "Version"
  4-7: "IHL"
  8-15: "Type of Service"
  16-31: "Total Length"
  32-47: "Identification"
  48-50: "Flags"
  51-63: "Fragment Offset"
  64-71: "TTL"
  72-79: "Protocol"
  80-95: "Header Checksum"
  96-127: "Source IP Address"
  128-159: "Destination IP Address"
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