redux-store-templates/es2015/.internals/helpers.js

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createPathReader = exports.makeActionCreator = exports.pick = void 0;

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 pick = function pick() {
  var source = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var what = arguments.length > 1 ? arguments[1] : undefined;

  if (typeof what === 'string') {
    return source[what];
  }

  if (Array.isArray(what)) {
    return what.reduce(function (acc, curr) {
      acc[curr] = source[curr];
      return acc;
    }, {});
  } // else return all


  return source;
};

exports.pick = pick;

var makeActionCreator = function makeActionCreator() {
  var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var actionObject = typeof action === "string" ? {
    type: action
  } : action;
  var payloadName = options.payloadName || "payload";

  if (!actionObject["type"]) {
    throw new Error("makeActionCreator requires param which is string or extends { type: string }");
  }

  return function (payload) {
    return _objectSpread(_defineProperty({}, payloadName, payload), actionObject);
  };
};

exports.makeActionCreator = makeActionCreator;

var _cache = Object.create(null);

var createPathReader = function createPathReader() {
  var path = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "payload";
  var uuid = String(path);

  if (_cache[uuid]) {
    return _cache[uuid];
  }

  var parts = Array.isArray(path) ? path : path.split(".");

  if (!parts.length || parts.length > 3) {
    throw new Error("redux-store-templates: path length must be 1-3 levels deep");
  }
  /*
    Due to performance didn't use lodash or more sophisticated way.
    Performance of this should be improved anyway
  */


  if (parts.length === 1) {
    _cache[uuid] = function (data) {
      return (data || {})[parts[0]];
    };
  } else if (parts.length === 2) {
    _cache[uuid] = function (data) {
      return ((data || {})[parts[0]] || {})[parts[1]];
    };
  } else if (parts.length === 3) {
    _cache[uuid] = function (data) {
      return (((data || {})[parts[0]] || {})[parts[1]] || {})[parts[2]];
    };
  }

  return _cache[uuid];
};

exports.createPathReader = createPathReader;