104 lines
4.2 KiB
JavaScript
104 lines
4.2 KiB
JavaScript
'use strict';
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exports.__esModule = true;
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exports.componentFromStreamWithConfig = undefined;
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var _react = require('react');
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var _changeEmitter = require('change-emitter');
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var _symbolObservable = require('symbol-observable');
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var _symbolObservable2 = _interopRequireDefault(_symbolObservable);
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var _setObservableConfig = require('./setObservableConfig');
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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; }
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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; }
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var componentFromStreamWithConfig = exports.componentFromStreamWithConfig = function componentFromStreamWithConfig(config) {
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return function (propsToVdom) {
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return function (_Component) {
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_inherits(ComponentFromStream, _Component);
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function ComponentFromStream() {
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var _config$fromESObserva;
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var _temp, _this, _ret;
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_classCallCheck(this, ComponentFromStream);
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for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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return _ret = (_temp = (_this = _possibleConstructorReturn(this, _Component.call.apply(_Component, [this].concat(args))), _this), _this.state = { vdom: null }, _this.propsEmitter = (0, _changeEmitter.createChangeEmitter)(), _this.props$ = config.fromESObservable((_config$fromESObserva = {
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subscribe: function subscribe(observer) {
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var unsubscribe = _this.propsEmitter.listen(function (props) {
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if (props) {
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observer.next(props);
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} else {
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observer.complete();
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}
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});
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return { unsubscribe: unsubscribe };
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}
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}, _config$fromESObserva[_symbolObservable2.default] = function () {
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return this;
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}, _config$fromESObserva)), _this.vdom$ = config.toESObservable(propsToVdom(_this.props$)), _temp), _possibleConstructorReturn(_this, _ret);
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}
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// Stream of props
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// Stream of vdom
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ComponentFromStream.prototype.componentWillMount = function componentWillMount() {
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var _this2 = this;
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// Subscribe to child prop changes so we know when to re-render
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this.subscription = this.vdom$.subscribe({
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next: function next(vdom) {
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_this2.setState({ vdom: vdom });
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}
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});
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this.propsEmitter.emit(this.props);
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};
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ComponentFromStream.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
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// Receive new props from the owner
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this.propsEmitter.emit(nextProps);
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};
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ComponentFromStream.prototype.shouldComponentUpdate = function shouldComponentUpdate(nextProps, nextState) {
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return nextState.vdom !== this.state.vdom;
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};
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ComponentFromStream.prototype.componentWillUnmount = function componentWillUnmount() {
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// Call without arguments to complete stream
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this.propsEmitter.emit();
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// Clean-up subscription before un-mounting
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this.subscription.unsubscribe();
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};
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ComponentFromStream.prototype.render = function render() {
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return this.state.vdom;
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};
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return ComponentFromStream;
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}(_react.Component);
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};
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};
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var componentFromStream = function componentFromStream(propsToVdom) {
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return componentFromStreamWithConfig(_setObservableConfig.config)(propsToVdom);
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};
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exports.default = componentFromStream; |