yarn add @aslab/graphvizjs

import { Viz } from '@aslab/graphvizjs'
...
const viz = await Viz.create()
const svg = viz.layout('digraph D {  A -> B }')
console.log(svg)

<script src='./graphviz.js'></script>
...
const viz = await graphviz.Viz.create()
const svg = viz.layout('digraph D {  A -> B }') 

onst lm = viz.createLayoutManager()
lm.addNode(100, 100, 'test1', (x, y) => {
    console.log(x, y)
})
lm.addNode(140, 150, 'test2', (x, y) => {
    console.log(x, y)
})
lm.addNode(50, 50, 'test3')

lm.addEdge('test1', 'test2') 
lm.addGroup(['test1', 'test3']) 

const layout = lm.calculate()
console.log(layout)