redux-leaves/dist/reduxLeaves.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.reduxLeaves = reduxLeaves;
exports["default"] = void 0;

var _leafReducer = require("./leafReducer");

var _standardise = _interopRequireDefault(require("./reducersDict/standardise"));

var _utils = require("./utils");

var _proxy = _interopRequireDefault(require("./actions/proxy"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

/**
 * 
 * @param initialState - Initial state of the reducer
 * @param reducersDict - Object of leaf reducer definitions keyed by creatorKeys
 * 
 * @template TS - TreeShape
 * @template RD - Dictionary of LeafReducer.Definition
 */
function reduxLeaves(initialState, reducersDict) {
  var leafReducersDict = (0, _standardise["default"])(reducersDict || {});

  var reducer = function reducer() {
    var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : initialState;
    var action = arguments.length > 1 ? arguments[1] : undefined;
    if (!isLeafAction(action)) return state;
    if (isCompoundAction(action)) return action.payload.reduce(reducer, state);
    var leaf = action.leaf;
    var path = leaf.path;
    var prevLeafState = (0, _utils.getState)(state, path);
    var newLeafState = (0, _leafReducer.leafReducer)(prevLeafState, action, state, initialState, leafReducersDict);
    return (0, _utils.updateState)(state, path, newLeafState);
  };

  var actions = (0, _proxy["default"])(initialState, leafReducersDict);
  return [reducer, actions];
}

function isLeafAction(action) {
  // @ts-ignore
  return action.leaf;
}

function isCompoundAction(action) {
  return isLeafAction(action) && action.leaf.compound;
}

var _default = reduxLeaves;
exports["default"] = _default;
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