JSPM

A WebGPU-accelerated, force-directed
graph visualization library for the browser

• What does this do?
• How do I use it?
• Features
• API Reference
• Demo
• Architecture
• Contributing
• License

What does this do?

GraphGPU is a hardware-accelerated graph visualization library. Nodes, edges, labels, force-directed layout and interactive controls all run on the GPU via WebGPU.

How do I use it?

import { GraphGPU } from 'graphgpu';

const g = new GraphGPU({
    canvas: '#my-canvas',
    nodeSize: 6,
    edgeOpacity: 0.7,
    palette: 'cozy',
});

await g.init();

const alice = g.put('person', 'Alice', { role: 'engineer' });
const bob   = g.put('person', 'Bob', { role: 'designer' });
const proj  = g.put('project', 'graphGPU');

g.link(alice, 'worksOn', proj);
g.link(bob, 'worksOn', proj);
g.link(alice, 'knows', bob);

g.startLayout({ repulsion: 1.2, gravity: 0.12 });

setTimeout(() => g.fitView(), 2000);

[!TIP] Don't want to use a bundler? Grab graphgpu.standalone.js or graphgpu.standalone.min.js straight from the latest release and drop it into a script tag:

<script src="graphgpu.standalone.min.js"></script>
<script>
    const g = new GraphGPU.GraphGPU({ canvas: '#my-canvas' });
</script>

Features

• WebGPU-accelerated rendering via instanced draw calls
• Force-directed layout (CPU and GPU compute engines)
• 9 built-in color palettes (cozy, moss, candy, etc.)
• Pan, zoom, drag, select, multi-select, hover
• Gravity-pull mode: drag a node and the whole graph follows with spring physics
• Canvas2D label overlay with auto-sizing and truncation
• Tag-based coloring, palette-switchable at runtime
• SoA (Structure-of-Arrays) data layout for large graphs

API Reference

Constructor

new GraphGPU({
    canvas: string | HTMLCanvasElement,
    nodeSize?: number,          // default: 6
    edgeOpacity?: number,       // default: 0.12
    palette?: string | Palette, // default: 'default'
    background?: string,        // default: '#08080c'
    antialias?: boolean,        // default: true
    pixelRatio?: number,        // default: devicePixelRatio
    maxNodes?: number,          // default: 10000
    maxEdges?: number,          // default: 50000
})

Graph operations

Layout

Appearance

Interaction

Events

node:click, node:select, node:deselect, node:hover, node:hoverout, node:drag, node:dragstart, node:dragend, node:dblclick, canvas:click, canvas:pan, canvas:zoom

Demo

The demo/ folder contains a cinema graph example (52 nodes, 80+ edges):

cd demo
npm install
npm run dev

Architecture

src/
    index.ts              # Public API (GraphGPU class)
    core/
        Graph.ts          # SoA graph data structure
        Camera.ts         # 2D camera with pan/zoom
        Renderer.ts       # WebGPU render pipeline
    shaders/
        index.ts          # WGSL vertex/fragment/compute shaders
    interaction/
        Controls.ts       # Mouse/touch input handling
    layout/
        ForceLayout.ts    # CPU force-directed layout
        GPUForceLayout.ts # GPU compute force layout
    utils/
        color.ts          # Color parsing utilities
        palette.ts        # 9 built-in color palettes
    types/
        index.ts          # TypeScript type definitions

Contributing

You are 100% welcome! Just make a PR. 🚀

License

MIT License

Copyright (c) 2026 Yanis Zafirópulos

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.