react-redux-fetch/lib/reducers/reducer.js

A declarative and customizable way to fetch data for React components and manage that data in the Redux state

'use strict';

exports.__esModule = true;

var _seamlessImmutable = require('seamless-immutable');

var _seamlessImmutable2 = _interopRequireDefault(_seamlessImmutable);

var _reduce = require('lodash/reduce');

var _reduce2 = _interopRequireDefault(_reduce);

var _container = require('../container');

var _container2 = _interopRequireDefault(_container);

var _actionTypes = require('../constants/actionTypes');

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

var INITIAL_STATE = {};

var handleCustomReducers = function handleCustomReducers(state, action) {
  if (!_container2.default.hasDefinition('reducers')) {
    return state;
  }

  var additionalReducers = _container2.default.getDefinition('reducers').getArguments();

  return (0, _reduce2.default)(additionalReducers, function (s, additionalReducer, key) {
    if (s[key]) {
      return s.setIn([key], additionalReducer(s[key], action));
    }
    return s;
  }, state);
};

var reducer = function reducer() {
  var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : (0, _seamlessImmutable2.default)(INITIAL_STATE);
  var action = arguments[1];

  var resourceName = action.resource && action.resource.name;
  var immutableState = _seamlessImmutable2.default.isImmutable(state) ? state : (0, _seamlessImmutable2.default)(state);

  // If action has no 'resourceName', or doesn't include our custom prefix,
  // we're not interested and we can return the state
  if (!resourceName || action.type.indexOf(_actionTypes.PREFIX) === -1) {
    return handleCustomReducers(immutableState, action);
  }

  // If clearing a repository
  if (action.type === _actionTypes.CLEAR) {
    return immutableState.without(resourceName);
  }

  // Otherwise
  var allRequestConfigs = _container2.default.getDefinition('requestMethods').getArguments();

  var stateLeaf = (0, _reduce2.default)(allRequestConfigs, function (s, requestConfig) {
    return requestConfig.reducer(s, action);
  }, immutableState[resourceName]);

  return handleCustomReducers(immutableState.set(resourceName, stateLeaf), action);
};

exports.default = reducer;