nesquirk/lib/client/createContainer.js

Ties Nes + minimongo together for gloryful reactive apps.

'use strict';

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

exports.default = createContainer;

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 _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return 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 noData = function noData() {
  return {};
};

function createContainer(getData, opts, Comp) {
  if (!Comp) {
    Comp = opts;
    opts = {};
  }

  opts = opts || {};
  getData = getData || noData;
  var clientKey = opts.clientKey || 'client';

  var Container = function (_Component) {
    _inherits(Container, _Component);

    function Container() {
      var _ref;

      var _temp, _this, _ret;

      _classCallCheck(this, Container);

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

      return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = Container.__proto__ || Object.getPrototypeOf(Container)).call.apply(_ref, [this].concat(args))), _this), _this.state = { data: {} }, _this.onSubscriptionReady = function () {
        return _this.resubscribe(_this.props, _this.context);
      }, _this.onCollectionChange = function () {
        return _this.resubscribe(_this.props, _this.context);
      }, _temp), _possibleConstructorReturn(_this, _ret);
    }

    _createClass(Container, [{
      key: 'componentWillMount',
      value: function componentWillMount() {
        this.subscribe(this.props, this.context);
      }
    }, {
      key: 'componentWillReceiveProps',
      value: function componentWillReceiveProps(nextProps, nextContext) {
        this.resubscribe(nextProps, nextContext);
      }
    }, {
      key: 'componentWillUnmount',
      value: function componentWillUnmount() {
        this.unsubscribe();
      }
    }, {
      key: 'subscribe',
      value: function subscribe(props, context) {
        var _this2 = this;

        var client = opts.client || context[clientKey];
        var subs = [];

        var ctx = {
          subscribe: function subscribe() {
            var sub = client.subscribe.apply(client, arguments);
            subs.push(sub);
            return sub;
          }
        };

        var data = getData.call(ctx, props);

        // Listen for changes for the collections that belongs to these subs
        this.getCollections(subs).forEach(function (c) {
          c.on('change', _this2.onCollectionChange);
        });

        subs.forEach(function (s) {
          return s.on('ready', _this2.onSubscriptionReady);
        });

        this._subs = subs;
        this.setState({ data: data });
      }
    }, {
      key: 'resubscribe',
      value: function resubscribe(props, context) {
        var _this3 = this;

        var prevSubs = this._subs;

        this.getCollections(prevSubs).forEach(function (c) {
          c.removeListener('change', _this3.onCollectionChange);
        });

        this.subscribe(props, context);

        prevSubs.forEach(function (s) {
          s.removeListener('ready', _this3.onSubscriptionReady);
          s.stop();
        });
      }
    }, {
      key: 'unsubscribe',
      value: function unsubscribe() {
        var _this4 = this;

        var subs = this._subs;
        this.getCollections(subs).forEach(function (c) {
          c.removeListener('change', _this4.onCollectionChange);
        });
        this._subs = [];
        subs.forEach(function (s) {
          s.removeListener('ready', _this4.onSubscriptionReady);
          s.stop();
        });
      }
    }, {
      key: 'getCollections',
      value: function getCollections(subs) {
        return subs.reduce(function (collections, s) {
          if (collections.includes(s.collection)) return collections;
          return collections.concat(s.collection);
        }, []);
      }
    }, {
      key: 'render',
      value: function render() {
        var props = this.props;

        return _react2.default.createElement(Comp, _extends({}, props, this.state.data));
      }
    }]);

    return Container;
  }(_react.Component);

  Container.contextTypes = _defineProperty({}, clientKey, _propTypes2.default.object.isRequired);


  return Container;
}