silphius/app/context/ecs.js

import {createContext, useContext} from 'react';

import {usePacket} from './client.js';

const context = createContext();

export default context;

export function useEcs() {
  return useContext(context);
}

export function useEcsTick(fn, dependencies) {
  const ecs = useEcs();
  usePacket(':Ecs', fn, [ecs, ...dependencies]);
}