@neo4j-nvl/layout-workers/lib/cosebilkent-layout/cose-bilkent-layout-impl.js

Layout workers for the Neo4j Visualization Library

import cytoscape from 'cytoscape';
import coseBilkent from 'cytoscape-cose-bilkent';
cytoscape.use(coseBilkent);
const type = 'cose-bilkent';
export const layout = (elements, spacingFactor) => {
    const c = cytoscape({
        headless: true,
        styleEnabled: false
    });
    c.add(elements);
    const positions = {};
    const cytoLayout = c.layout({
        name: type,
        animate: false,
        spacingFactor,
        quality: 'default',
        tile: false,
        randomize: true,
        stop: () => {
            c.nodes().forEach((n) => {
                positions[n.id()] = { ...n.position() };
            });
        }
    });
    cytoLayout.run();
    return {
        positions
    };
};