action-reducer/dist/action-reducer.cjs.js

Type-safe ActionCreator and Reducer library

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

let typeId = 0;
const ActionReducer = (initState, prefix) => {
  const mutations = /* @__PURE__ */ Object.create(null);
  const createAction = (type, mutation) => {
    if (mutation === void 0) {
      mutation = type;
      type = `@@ActionReducer-${++typeId}`;
    }
    type = null != type.type ? type.type : prefix ? prefix + type : type;
    const actionCreator = (...payload) => ({ type, payload });
    actionCreator.type = type;
    mutations[type] = mutation;
    return actionCreator;
  };
  const reducer = (state = initState, action) => {
    const mutation = mutations[action.type];
    return mutation ? mutation(state, ...action.payload) : state;
  };
  return { createAction, reducer };
};

exports["default"] = ActionReducer;