@marvelapp/react-ab-test/lib/CoreExperiment.js

A/B testing React components and debug tools. Isomorphic with a simple, universal interface. Well documented and lightweight. Tested in popular browsers and Node.js. Includes helpers for Mixpanel and Segment.com.

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

var _react = _interopRequireWildcard(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _hook = _interopRequireDefault(require("./hook"));

var _emitter = _interopRequireDefault(require("./emitter"));

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

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

var filterVariants = function filterVariants(name, children) {
  var variants = {};

  _react["default"].Children.forEach(children, function (element) {
    if (! /*#__PURE__*/_react["default"].isValidElement(element) || element.type.displayName !== 'Pushtell.Variant') {
      var error = new Error('Pushtell Experiment children must be Pushtell Variant components.');
      error.type = 'PUSHTELL_INVALID_CHILD';
      throw error;
    }

    variants[element.props.name] = element;

    _emitter["default"].addExperimentVariant(name, element.props.name);
  });

  _emitter["default"].emit('variants-loaded', name);

  return variants;
};

var CoreExperiment = function CoreExperiment(props) {
  var variants = (0, _react.useMemo)(function () {
    return filterVariants(props.name, props.children);
  }, [props.name, props.children]);

  var _useExperiment = (0, _hook["default"])(props.name, props.userIdentifier, props.defaultVariantName),
      selectVariant = _useExperiment.selectVariant;

  return selectVariant(variants, []);
};

CoreExperiment.propTypes = {
  name: _propTypes["default"].string.isRequired,
  userIdentifier: _propTypes["default"].string,
  defaultVariantName: _propTypes["default"].string,
  children: _propTypes["default"].node
};
var _default = CoreExperiment;
exports["default"] = _default;