react-sweet-state/lib/esm/store/create.js

Global + local state combining the best of Redux and Context API

import hash from '../utils/hash';

function createKey(initialState, actions, name) {
  const src = !name ? Object.keys(actions).reduce((acc, k) => acc + actions[k].toString(), '') : '';
  return [name, hash(src + JSON.stringify(initialState))].filter(Boolean).join('__');
}

export function createStore(_ref) {
  let {
    name = '',
    initialState,
    actions,
    containedBy,
    handlers = {}
  } = _ref;
  let key;
  return {
    get key() {
      // lazy evaluate key on first access
      return key || (key = createKey(initialState, actions, name));
    },

    initialState,
    actions,
    containedBy,
    handlers
  };
}