Last change
on this file since 6c1585f was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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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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