redux-store-templates/es2015/list/index.js

Set of helpers to create useful and commonly used redux store patterns

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createSelectorById = exports.createSelectorAll = exports.createReducer = void 0;

var _internals = require("../.internals");

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var createReducer = function createReducer() {
  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
      _ref$idName = _ref.idName,
      idName = _ref$idName === void 0 ? "uuid" : _ref$idName,
      _ref$initial = _ref.initial,
      initial = _ref$initial === void 0 ? [] : _ref$initial,
      setOn = _ref.setOn,
      addOn = _ref.addOn,
      updateOn = _ref.updateOn,
      removeOn = _ref.removeOn,
      emptyOn = _ref.emptyOn;

  var addToById = (0, _internals.createAddById)(idName);
  var addToIds = (0, _internals.createAddIds)(idName);
  var updateById = (0, _internals.createUpdateById)(idName);
  var defaultState = {
    byId: addToById({}, initial),
    ids: addToIds([], initial)
  };
  var emptyState = {
    byId: {},
    ids: []
  };
  var handleAction = Object.create(null);

  if (setOn) {
    (0, _internals.readAsArray)(setOn).forEach(function (opt) {
      var readActionPayload = (0, _internals.createPathReader)(opt.payloadPath);

      handleAction[opt.type] = function (state, action) {
        var items = readActionPayload(action);
        return _objectSpread({}, state, {
          byId: addToById({}, items),
          ids: addToIds([], items)
        });
      };
    });
  }

  if (addOn) {
    (0, _internals.readAsArray)(addOn).forEach(function (opt) {
      var readActionPayload = (0, _internals.createPathReader)(opt.payloadPath);

      handleAction[opt.type] = function (state, action) {
        var items = readActionPayload(action);
        return _objectSpread({}, state, {
          byId: addToById(state.byId, items),
          ids: addToIds(state.ids, items)
        });
      };
    });
  }

  if (updateOn) {
    (0, _internals.readAsArray)(updateOn).forEach(function (opt) {
      var readActionPayload = (0, _internals.createPathReader)(opt.payloadPath);

      handleAction[opt.type] = function (state, action) {
        var updates = readActionPayload(action);
        return _objectSpread({}, state, {
          byId: updateById(state.byId, updates)
        });
      };
    });
  }

  if (removeOn) {
    var removeFromById = (0, _internals.createRemoveById)(idName);
    (0, _internals.readAsArray)(removeOn).forEach(function (opt) {
      var readActionPayload = (0, _internals.createPathReader)(opt.payloadPath);

      handleAction[opt.type] = function (state, action) {
        var ids = readActionPayload(action);
        return _objectSpread({}, state, {
          byId: removeFromById(state.byId, ids),
          ids: (0, _internals.applyRemoveIds)(state.ids, ids)
        });
      };
    });
  }

  if (emptyOn) {
    (0, _internals.readAsArray)(emptyOn).forEach(function (opt) {
      handleAction[opt.type] = function (state) {
        return _objectSpread({}, state, {
          byId: emptyState.byId,
          ids: emptyState.ids
        });
      };
    });
  }

  return function () {
    var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : defaultState;
    var action = arguments.length > 1 ? arguments[1] : undefined;
    return handleAction[action.type] ? handleAction[action.type](state, action) : state;
  };
};
/* selectors */


exports.createReducer = createReducer;

var createSelectorAll = function createSelectorAll(_ref2) {
  var selector = _ref2.selector;
  return function (state) {
    var list = selector(state);
    return list.ids.map(function (id) {
      return list.byId[id];
    });
  };
};

exports.createSelectorAll = createSelectorAll;

var createSelectorById = function createSelectorById(_ref3) {
  var selector = _ref3.selector;
  return function (state, id) {
    var byId = selector(state).byId;

    if (Array.isArray(id)) {
      return id.map(function (itemId) {
        return byId[itemId];
      });
    } // else id: string


    return byId[id];
  };
};

exports.createSelectorById = createSelectorById;