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90 lines
3.4 KiB
90 lines
3.4 KiB
4 years ago
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"use strict";
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var __assign = (this && this.__assign) || function () {
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__assign = Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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return __assign.apply(this, arguments);
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};
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var __rest = (this && this.__rest) || function (s, e) {
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var t = {};
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
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t[p] = s[p];
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if (s != null && typeof Object.getOwnPropertySymbols === "function")
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for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
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t[p[i]] = s[p[i]];
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return t;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var Observable_1 = require("../../Observable");
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var Subscription_1 = require("../../Subscription");
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var from_1 = require("../../observable/from");
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function fromFetch(input, initWithSelector) {
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if (initWithSelector === void 0) { initWithSelector = {}; }
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var selector = initWithSelector.selector, init = __rest(initWithSelector, ["selector"]);
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return new Observable_1.Observable(function (subscriber) {
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var controller = new AbortController();
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var signal = controller.signal;
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var abortable = true;
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var unsubscribed = false;
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var subscription = new Subscription_1.Subscription();
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subscription.add(function () {
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unsubscribed = true;
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if (abortable) {
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controller.abort();
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}
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});
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var perSubscriberInit;
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if (init) {
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if (init.signal) {
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if (init.signal.aborted) {
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controller.abort();
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}
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else {
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var outerSignal_1 = init.signal;
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var outerSignalHandler_1 = function () {
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if (!signal.aborted) {
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controller.abort();
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}
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};
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outerSignal_1.addEventListener('abort', outerSignalHandler_1);
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subscription.add(function () { return outerSignal_1.removeEventListener('abort', outerSignalHandler_1); });
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}
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}
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perSubscriberInit = __assign({}, init, { signal: signal });
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}
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else {
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perSubscriberInit = { signal: signal };
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}
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fetch(input, perSubscriberInit).then(function (response) {
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if (selector) {
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subscription.add(from_1.from(selector(response)).subscribe(function (value) { return subscriber.next(value); }, function (err) {
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abortable = false;
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if (!unsubscribed) {
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subscriber.error(err);
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}
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}, function () {
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abortable = false;
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subscriber.complete();
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}));
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}
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else {
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abortable = false;
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subscriber.next(response);
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subscriber.complete();
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}
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}).catch(function (err) {
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abortable = false;
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if (!unsubscribed) {
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subscriber.error(err);
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}
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});
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return subscription;
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});
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}
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exports.fromFetch = fromFetch;
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//# sourceMappingURL=fetch.js.map
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