| 1 | "use strict";
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| 2 | var symbol_observable_1 = require('symbol-observable');
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| 3 | function isSubscription(subscription) {
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| 4 | return subscription.unsubscribe !== undefined;
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| 5 | }
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| 6 | var Observable = (function () {
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| 7 | function Observable(subscriberFunction) {
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| 8 | this.subscriberFunction = subscriberFunction;
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| 9 | }
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| 10 | Observable.prototype[symbol_observable_1.default] = function () {
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| 11 | return this;
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| 12 | };
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| 13 | Observable.prototype.subscribe = function (observer) {
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| 14 | var subscriptionOrCleanupFunction = this.subscriberFunction(observer);
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| 15 | if (isSubscription(subscriptionOrCleanupFunction)) {
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| 16 | return subscriptionOrCleanupFunction;
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| 17 | }
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| 18 | else {
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| 19 | return {
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| 20 | unsubscribe: subscriptionOrCleanupFunction,
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| 21 | };
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| 22 | }
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| 23 | };
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| 24 | return Observable;
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| 25 | }());
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| 26 | exports.Observable = Observable;
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| 27 | |
| \ | No newline at end of file |