1 | "use strict";
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2 | var __assign = (this && this.__assign) || function () {
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3 | __assign = Object.assign || function(t) {
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4 | for (var s, i = 1, n = arguments.length; i < n; i++) {
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5 | s = arguments[i];
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6 | for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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7 | t[p] = s[p];
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8 | }
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9 | return t;
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10 | };
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11 | return __assign.apply(this, arguments);
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12 | };
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13 | var __rest = (this && this.__rest) || function (s, e) {
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14 | var t = {};
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15 | for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
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16 | t[p] = s[p];
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17 | if (s != null && typeof Object.getOwnPropertySymbols === "function")
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18 | for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
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19 | t[p[i]] = s[p[i]];
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20 | return t;
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21 | };
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22 | Object.defineProperty(exports, "__esModule", { value: true });
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23 | var Observable_1 = require("../../Observable");
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24 | var Subscription_1 = require("../../Subscription");
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25 | var from_1 = require("../../observable/from");
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26 | function fromFetch(input, initWithSelector) {
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27 | if (initWithSelector === void 0) { initWithSelector = {}; }
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28 | var selector = initWithSelector.selector, init = __rest(initWithSelector, ["selector"]);
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29 | return new Observable_1.Observable(function (subscriber) {
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30 | var controller = new AbortController();
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31 | var signal = controller.signal;
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32 | var abortable = true;
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33 | var unsubscribed = false;
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34 | var subscription = new Subscription_1.Subscription();
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35 | subscription.add(function () {
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36 | unsubscribed = true;
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37 | if (abortable) {
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38 | controller.abort();
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39 | }
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40 | });
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41 | var perSubscriberInit;
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42 | if (init) {
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43 | if (init.signal) {
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44 | if (init.signal.aborted) {
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45 | controller.abort();
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46 | }
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47 | else {
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48 | var outerSignal_1 = init.signal;
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49 | var outerSignalHandler_1 = function () {
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50 | if (!signal.aborted) {
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51 | controller.abort();
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52 | }
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53 | };
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54 | outerSignal_1.addEventListener('abort', outerSignalHandler_1);
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55 | subscription.add(function () { return outerSignal_1.removeEventListener('abort', outerSignalHandler_1); });
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56 | }
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57 | }
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58 | perSubscriberInit = __assign({}, init, { signal: signal });
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59 | }
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60 | else {
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61 | perSubscriberInit = { signal: signal };
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62 | }
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63 | fetch(input, perSubscriberInit).then(function (response) {
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64 | if (selector) {
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65 | subscription.add(from_1.from(selector(response)).subscribe(function (value) { return subscriber.next(value); }, function (err) {
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66 | abortable = false;
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67 | if (!unsubscribed) {
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68 | subscriber.error(err);
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69 | }
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70 | }, function () {
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71 | abortable = false;
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72 | subscriber.complete();
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73 | }));
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74 | }
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75 | else {
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76 | abortable = false;
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77 | subscriber.next(response);
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78 | subscriber.complete();
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79 | }
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80 | }).catch(function (err) {
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81 | abortable = false;
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82 | if (!unsubscribed) {
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83 | subscriber.error(err);
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84 | }
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85 | });
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86 | return subscription;
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87 | });
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88 | }
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89 | exports.fromFetch = fromFetch;
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90 | //# sourceMappingURL=fetch.js.map |
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