di.js

import React from 'react';
import { compose } from "...somewhere...";

export const diContext = React.createContext({
  container: {},
  run: () => {},
));

export const { Consumer } = diContext;

export function Provider({ children, container }) {
  const run = React.useCallback(
    fn => fn(container, run),
    [container],
  );
  
  return <diContext.Provider value={{ container, run }}>{children}</diContext.Provider>;
};

export const useInjected = () => React.useContext(diContext).container;

export const useRun = fn => {
  const { run } = React.useContext(diContext);
  return React.useMemo(() => compose(run, fn), [fn]);
};