Hugo Mermaid Module

March 28, 2023 1 min read Module Mermaid Docs Diagrams Flowchart

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Please check out the tutorial to start using Hugo modules.

Mermaid lets you create diagrams and visualizations using text and code.

Module
`github.com/hugomods/mermaid`

The featured image credited by: https://mermaid.js.org/.

Installation

1. Import Module

1[[module.imports]]
2path = "github.com/hugomods/mermaid"

2. Import the JavaScript

Skip this step if your theme supports HugoPress.

1{{ partial "mermaid/assets/js" . }}

Configuration

The site parameters as following.

Parameter	Type	Default	Description
`js_url`	String	Latest version from JS Delivr CDN	The Mermaid script URL.

hugo.yaml

1params:
2  mermaid:
3    js_url: https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.esm.min.mjs

hugo.toml

1[params]
2  [params.mermaid]
3    js_url = 'https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.esm.min.mjs'

hugo.json

1{
2   "params": {
3      "mermaid": {
4         "js_url": "https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.esm.min.mjs"
5      }
6   }
7}

Usage

Use Mermaid via Code Block

1```mermaid
2DIAGRAM
3```

Use Mermaid via Shortcode

1{{< mermaid >}}
2DIAGRAM
3{{< /mermaid >}}

Examples

Flowchart

flowchart TD
  A[Start] --> B{Is it?}
  B -- Yes --> C[OK]
  C --> D[Rethink]
  D --> B
  B -- No ----> E[End]

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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