'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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 getDisplayName = function getDisplayName(component) {
    return component.displayName || component.name || 'Component';
};

var shallowEquals = function shallowEquals(left, right) {
    return Object.keys(left).length === Object.keys(right).length && Object.keys(left).every(function (leftKey) {
        return left[leftKey] === right[leftKey];
    });
};

var thunk = function thunk(component, pure) {
    var ReactThunk = (function (_React$Component) {
        _inherits(ReactThunk, _React$Component);

        function ReactThunk(props) {
            _classCallCheck(this, ReactThunk);

            var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(ReactThunk).call(this, props));

            _this.componentFn = component(props);

            if (typeof _this.componentFn !== 'function') {
                throw new Error('[react-thunk] component supplied doesn\'t return a function');
            }
            return _this;
        }

        _createClass(ReactThunk, [{
            key: 'shouldComponentUpdate',
            value: function shouldComponentUpdate(nextProps) {
                if (pure) {
                    return !shallowEqual(this.props, nextProps);
                }

                return true;
            }
        }, {
            key: 'render',
            value: function render(props) {
                return this.componentFn(props);
            }
        }]);

        return ReactThunk;
    })(_react2.default.Component);

    ReactThunk.displayName = 'ReactThunk[' + getDisplayName(component) + ']';

    return ReactThunk;
};

exports.default = thunk;