data-promiser/dist/DataPromiser.js

React component that deliver data from promises

'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);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

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 DataPromiser = function (_React$Component) {
  _inherits(DataPromiser, _React$Component);

  function DataPromiser() {
    var _ref;

    var _temp, _this, _ret;

    _classCallCheck(this, DataPromiser);

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

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = DataPromiser.__proto__ || Object.getPrototypeOf(DataPromiser)).call.apply(_ref, [this].concat(args))), _this), _this.state = {
      fetching: true,
      data: undefined,
      error: undefined
    }, _this.refresh = function () {
      _this.fetchData();
    }, _this.fetchData = function () {
      var promiseFn = _this.props.promiseFn;


      _this.setState({ fetching: true });

      if (!promiseFn) {
        return;
      }

      promiseFn().then(function (data) {
        _this.setState({
          fetching: false,
          data: data
        });
      }).catch(function (error) {
        _this.setState({
          fetching: false,
          error: error
        });
      });
    }, _temp), _possibleConstructorReturn(_this, _ret);
  }

  _createClass(DataPromiser, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.fetchData();
    }
  }, {
    key: 'render',
    value: function render() {
      var _state = this.state,
          fetching = _state.fetching,
          data = _state.data,
          error = _state.error;
      var _props = this.props,
          renderData = _props.renderData,
          renderWaiting = _props.renderWaiting,
          renderFailure = _props.renderFailure;


      if (data !== undefined && fetching === true && renderWaiting) {
        return renderWaiting();
      }

      if (data !== undefined && renderData) {
        return renderData(data, fetching);
      }

      if (error !== undefined && renderFailure) {
        return renderFailure(error, fetching);
      }

      return _react2.default.createElement(_react2.default.Fragment, null);
    }
  }]);

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

DataPromiser.propTypes = {
  promiseFn: _propTypes2.default.func.isRequired,
  renderWaiting: _propTypes2.default.func,
  renderData: _propTypes2.default.func,
  renderFailure: _propTypes2.default.func
};
exports.default = DataPromiser;