react-augmentation/lib/Pipe/Provider.js

DOM augmentation operators to simplify UI code and promote data-driven DOM hierarchy

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

var _propTypes2 = _interopRequireDefault(_propTypes);

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 PipeProvider = function (_React$PureComponent) {
  _inherits(PipeProvider, _React$PureComponent);

  function PipeProvider(props, context) {
    _classCallCheck(this, PipeProvider);

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

    _this.contents = {};
    _this.outlets = {};
    return _this;
  }

  _createClass(PipeProvider, [{
    key: 'getChildContext',
    value: function getChildContext() {
      var _this2 = this;

      return {
        pipe: {
          subscribe: function subscribe(name, observer) {
            (_this2.outlets[name] || (_this2.outlets[name] = [])).push(observer);

            return _this2.contents[name];
          },
          unsubscribe: function unsubscribe(name, observer) {
            var targetOutlets = _this2.outlets[name];

            if (targetOutlets) {
              _this2.outlets[name] = targetOutlets.filter(function (o) {
                return o !== observer;
              });

              if (!_this2.outlets[name].length) {
                delete _this2.outlets[name];
              }
            }
          },
          update: function update(name, children) {
            if (children) {
              _this2.contents[name] = children;
            } else {
              delete _this2.contents[name];
            }

            if (_this2.outlets[name]) {
              _this2.outlets[name].forEach(function (observer) {
                return observer(children);
              });
            }
          }
        }
      };
    }
  }, {
    key: 'render',
    value: function render() {
      return _react2.default.createElement(
        'div',
        this.props,
        this.props.children
      );
    }
  }]);

  return PipeProvider;
}(_react2.default.PureComponent);

exports.default = PipeProvider;
;

PipeProvider.childContextTypes = {
  pipe: _propTypes2.default.shape({
    subscribe: _propTypes2.default.func,
    unsubscribe: _propTypes2.default.func,
    update: _propTypes2.default.func
  })
};
//# sourceMappingURL=Provider.js.map