Mermaid Builder

Write type-safe typescript code to generate mermaid er diagrams.

Usage

import { MermaidBuilder } from "mermaid-builder"

MermaidBuilder.create()
  .add("Passengers", (p) => p.hasOne("Backpack"))
  .add("Backpack", (b) => b.attribute("color", "blue"))
  .add("Car", (car) =>
    car
      .hasMany("Passengers")
      .hasOne("Driver", (D) => D.attribute("name", "John"))
  )
  .build()

Outputs:

erDiagram
    Passengers {
    }
    Backpack {
        color blue
    }
    Car {
    }
    Driver {
        name John
    }
    Passengers ||--o{ Backpack : "hasOne"
    Car ||--o{ Passengers : "hasMany"
    Car ||--o{ Driver : "hasOne"

(mermaid code)

erDiagram
    Passengers {
    }
    Backpack {
        color blue
    }
    Car {
    }
    Driver {
        name John
    }
    Passengers ||--o{ Backpack : "hasOne"
    Car ||--o{ Passengers : "hasMany"
    Car ||--o{ Driver : "hasOne"