47 lines
2.0 KiB
JavaScript
47 lines
2.0 KiB
JavaScript
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"use strict";
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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var Observable_1 = require('../Observable');
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var Subscription_1 = require('../Subscription');
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var tryCatch_1 = require('../util/tryCatch');
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var errorObject_1 = require('../util/errorObject');
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var FromEventPatternObservable = (function (_super) {
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__extends(FromEventPatternObservable, _super);
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function FromEventPatternObservable(addHandler, removeHandler, selector) {
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_super.call(this);
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this.addHandler = addHandler;
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this.removeHandler = removeHandler;
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this.selector = selector;
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}
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FromEventPatternObservable.create = function (addHandler, removeHandler, selector) {
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return new FromEventPatternObservable(addHandler, removeHandler, selector);
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};
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FromEventPatternObservable.prototype._subscribe = function (subscriber) {
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var addHandler = this.addHandler;
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var removeHandler = this.removeHandler;
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var selector = this.selector;
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var handler = selector ? function (e) {
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var result = tryCatch_1.tryCatch(selector).apply(null, arguments);
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if (result === errorObject_1.errorObject) {
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subscriber.error(result.e);
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}
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else {
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subscriber.next(result);
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}
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} : function (e) { subscriber.next(e); };
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var result = tryCatch_1.tryCatch(addHandler)(handler);
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if (result === errorObject_1.errorObject) {
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subscriber.error(result.e);
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}
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subscriber.add(new Subscription_1.Subscription(function () {
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//TODO: determine whether or not to forward to error handler
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removeHandler(handler);
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}));
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};
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return FromEventPatternObservable;
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}(Observable_1.Observable));
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exports.FromEventPatternObservable = FromEventPatternObservable;
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//# sourceMappingURL=FromEventPatternObservable.js.map
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