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An unofficial interface for building D2 diagram files in javascript.

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d2lang-js

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An unofficial interface for building D2 diagram files in javascript.

Installation

npm install d2lang-js

Usage

import d2 from "d2lang-js";

const umbrella = new d2.D2Shape(
    "alphabet",
    "Alphabet Inc",
    d2.Shape.rectangle
)
const company = new d2.D2Shape(
    "google",
    "Google",
    d2.Shape.rectangle
)
company.addShape(new d2.D2Shape("gmail", "Gmail", d2.Shape.rectangle));
company.addShape(new d2.D2Shape("meet", "Meet", d2.Shape.rectangle));
company.addShape(new d2.D2Shape("deepmind", "DeepMind", d2.Shape.rectangle));

const connection = new d2.D2Connection(company.name, umbrella.name, "BELONGS_TO", d2.Direction.TO);

const diagram = new d2.D2Diagram([umbrella, company],[connection]);
console.log(diagram.toString());

D2 Output

alphabet: Alphabet Inc {
  shape: rectangle
}
google: Google {
  gmail: Gmail {
    shape: rectangle
  }
  meet: Meet {
    shape: rectangle
  }
  deepmind: Deepmind {
    shape: rectangle
  }
  shape: rectangle
}
alphabet -> google

Online compiler

D2 Playground

Result of output above

Demo

Supported

  • Shapes (nodes)
  • Connections (links)
  • Styles
  • Containers (nodes/links in nodes)
  • Shapes in shapes
  • Arrow directions
  • Markdown / latex / block strings / code in shapes
  • Icons in shapes
  • SQL table shapes
  • Class shapes
  • Comments

Inspiration

py-d2

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An unofficial interface for building D2 diagram files in javascript.

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