27 lines
1012 B
JavaScript
27 lines
1012 B
JavaScript
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import { Subject } from '../Subject';
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import { Observable } from '../Observable';
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import { defer } from './defer';
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var DEFAULT_CONFIG = {
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connector: function () { return new Subject(); },
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resetOnDisconnect: true,
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};
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export function connectable(source, config) {
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if (config === void 0) { config = DEFAULT_CONFIG; }
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var connection = null;
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var connector = config.connector, _a = config.resetOnDisconnect, resetOnDisconnect = _a === void 0 ? true : _a;
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var subject = connector();
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var result = new Observable(function (subscriber) {
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return subject.subscribe(subscriber);
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});
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result.connect = function () {
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if (!connection || connection.closed) {
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connection = defer(function () { return source; }).subscribe(subject);
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if (resetOnDisconnect) {
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connection.add(function () { return (subject = connector()); });
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}
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}
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return connection;
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};
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return result;
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}
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//# sourceMappingURL=connectable.js.map
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