Ariel

Create diagrams from text in a similar manner as markdown

Ariel is the sister project of mermaid.

Ariel is a fictional character and the title character of Walt Disney Pictures' 28th animated film The Little Mermaid (1989).

Install

yarn add ariel-diagrams

Usage

import { graph2svg } from 'ariel-diagrams'

const graph = {
    layoutOptions: {
    'elk.direction': 'DOWN',
    'elk.layered.crossingMinimization.semiInteractive': true
    },
    children: [
    {
        id: 'n1',
        label: 'Christmas'
    },
    {
        id: 'n2',
        label: 'Go shopping'
    },
    {
        id: 'n3',
        label: 'Let me think'
    },
    {
        id: 'n4',
        label: 'Laptop',
        layoutOptions: { 'elk.position': '(1,0)' }
    },
    {
        id: 'n5',
        label: 'iPhone',
        layoutOptions: { 'elk.position': '(2,0)' }
    },
    {
        id: 'n6',
        label: 'Car',
        layoutOptions: { 'elk.position': '(3,0)' }
    }
    ],
    edges: [
    {
        expr: 'n1 ==> n2',
        label: { width: 80, text: 'Get money' }
    },
    {
        expr: 'n2 ==> n3'
    },
    {
        expr: 'n3 ==> n4',
        label: 'One'
    },
    {
        expr: 'n3 ==> n5',
        label: 'Two'
    },
    {
        expr: 'n3 ==> n6',
        label: 'Three'
    }
    ]
}

const svg = await graph2svg(graph)

Graph format

Ref: https://www.eclipse.org/elk/documentation/tooldevelopers/graphdatastructure/jsonformat.html

FAQ

What are the differences between ariel-diagrams and mermaid?

The underlying layout engines are different. arield-diagrams is powered by elkjs while mermaid is powered by dagre

ariel is a node library, it can work without a browser. mermaid requires browser to work. mermaid.cli is for node, but it also depends on headless browser solution puppeteer.