rmwc/Base/utils/story-with-state.js

A thin React wrapper for Material Design (Web) Components

'use strict';

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

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 React = _interopRequireWildcard(_react);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

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 storyWithState = exports.storyWithState = function storyWithState(getState, Component) {
  return function (_React$Component) {
    _inherits(_class, _React$Component);

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

      var _this = _possibleConstructorReturn(this, (_class.__proto__ || Object.getPrototypeOf(_class)).call(this, props));

      _this.state = getState({});
      return _this;
    }

    _createClass(_class, [{
      key: 'componentWillUpdate',
      value: function componentWillUpdate(nextProps, nextState) {
        var knobState = getState(nextState);
        var stateToUpdate = Object.keys(knobState).reduce(function (acc, key) {
          if (nextState[key] !== knobState[key]) {
            acc[key] = knobState[key];
          }
          return acc;
        }, {});

        Object.keys(stateToUpdate).length && this.setState(stateToUpdate);
      }
    }, {
      key: 'render',
      value: function render() {
        return Component.call(this);
      }
    }]);

    return _class;
  }(React.Component);
};