newsroom/node_modules/recompose/withHandlers.js

'use strict';

exports.__esModule = true;

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _react = require('react');

var _createEagerFactory = require('./createEagerFactory');

var _createEagerFactory2 = _interopRequireDefault(_createEagerFactory);

var _createHelper = require('./createHelper');

var _createHelper2 = _interopRequireDefault(_createHelper);

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var mapValues = function mapValues(obj, func) {
  var result = {};
  /* eslint-disable no-restricted-syntax */
  for (var key in obj) {
    if (obj.hasOwnProperty(key)) {
      result[key] = func(obj[key], key);
    }
  }
  /* eslint-enable no-restricted-syntax */
  return result;
};

var withHandlers = function withHandlers(handlers) {
  return function (BaseComponent) {
    var _class, _temp2, _initialiseProps;

    var factory = (0, _createEagerFactory2.default)(BaseComponent);
    return _temp2 = _class = function (_Component) {
      _inherits(_class, _Component);

      function _class() {
        var _temp, _this, _ret;

        _classCallCheck(this, _class);

        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }

        return _ret = (_temp = (_this = _possibleConstructorReturn(this, _Component.call.apply(_Component, [this].concat(args))), _this), _initialiseProps.call(_this), _temp), _possibleConstructorReturn(_this, _ret);
      }

      _class.prototype.componentWillReceiveProps = function componentWillReceiveProps() {
        this.cachedHandlers = {};
      };

      _class.prototype.render = function render() {
        return factory(_extends({}, this.props, this.handlers));
      };

      return _class;
    }(_react.Component), _initialiseProps = function _initialiseProps() {
      var _this2 = this;

      this.cachedHandlers = {};
      this.handlers = mapValues(typeof handlers === 'function' ? handlers(this.props) : handlers, function (createHandler, handlerName) {
        return function () {
          var cachedHandler = _this2.cachedHandlers[handlerName];
          if (cachedHandler) {
            return cachedHandler.apply(undefined, arguments);
          }

          var handler = createHandler(_this2.props);
          _this2.cachedHandlers[handlerName] = handler;

          if (process.env.NODE_ENV !== 'production' && typeof handler !== 'function') {
            console.error( // eslint-disable-line no-console
            'withHandlers(): Expected a map of higher-order functions. ' + 'Refer to the docs for more info.');
          }

          return handler.apply(undefined, arguments);
        };
      });
    }, _temp2;
  };
};

exports.default = (0, _createHelper2.default)(withHandlers, 'withHandlers');