@zuze/modifiable-effects/build/esm/index.js

Simple side effects helper for @zuze/modifiable

import { identity } from '@zuze/modifiable';

const effect = fn => (...args) => (fn(...args), identity);

var index = (api, ...effects) => {
  const map = new Map();
  effects.forEach(e => {
    const arr = Array.isArray(e) ? e : [e];
    map.set(e, api.modify(effect(arr.shift()), arr));
  });
  return (...toRemove) => {
    toRemove.forEach(r => {
      const fn = map.get(r);
      fn && fn();
    });
  };
};

export default index;
export { effect };