cytoscape-forcefield

A cytoscape.js layout driven by forcefield, a Rust/wasm port of d3-force that is verified tick-for-tick against the JS reference. Fork of cytoscape-d3-force 1.1.4: same options, same layout.simulation surface, the simulation runs in wasm and positions are read from wasm memory without copying.

import cytoscape from 'cytoscape'
import init, * as wasm from 'forcefield-wasm'
import forcefield from 'cytoscape-forcefield'

await init()
forcefield(cytoscape, wasm)          // registers layout name 'forcefield'
cy.layout({ name: 'forcefield', animate: true, infinite: true, /* cytoscape-d3-force options */ }).run()

layout.simulation is d3-shaped: nodes() (live x/y/vx/vy/fx/fy), force(name, fn) for custom JS forces, alphaTarget(x).restart(), on('tick.namespace', fn), find(x, y). One rule: never call a simulation method from inside a force callback.

Options, verbatim from cytoscape-d3-force, are in src/defaults.js. Docs and the parity harness: https://github.com/EduardoFernandezVillazon/forcefield. MIT, as the original adapter.