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Last change
on this file since 1ad8e64 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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100644
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File size:
1.0 KB
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| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | var Observable_1 = require("../Observable");
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| 4 | var from_1 = require("./from");
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| 5 | var empty_1 = require("./empty");
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| 6 | function using(resourceFactory, observableFactory) {
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| 7 | return new Observable_1.Observable(function (subscriber) {
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| 8 | var resource;
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| 9 | try {
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| 10 | resource = resourceFactory();
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| 11 | }
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| 12 | catch (err) {
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| 13 | subscriber.error(err);
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| 14 | return undefined;
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| 15 | }
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| 16 | var result;
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| 17 | try {
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| 18 | result = observableFactory(resource);
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| 19 | }
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| 20 | catch (err) {
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| 21 | subscriber.error(err);
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| 22 | return undefined;
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| 23 | }
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| 24 | var source = result ? from_1.from(result) : empty_1.EMPTY;
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| 25 | var subscription = source.subscribe(subscriber);
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| 26 | return function () {
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| 27 | subscription.unsubscribe();
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| 28 | if (resource) {
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| 29 | resource.unsubscribe();
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| 30 | }
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| 31 | };
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| 32 | });
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| 33 | }
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| 34 | exports.using = using;
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| 35 | //# sourceMappingURL=using.js.map |
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