55 lines
1.9 KiB
JavaScript
55 lines
1.9 KiB
JavaScript
"use strict";
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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 iterator_1 = require("../symbol/iterator");
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var subscribeToIterable_1 = require("../util/subscribeToIterable");
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function fromIterable(input, scheduler) {
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if (!input) {
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throw new Error('Iterable cannot be null');
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}
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if (!scheduler) {
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return new Observable_1.Observable(subscribeToIterable_1.subscribeToIterable(input));
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}
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else {
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return new Observable_1.Observable(function (subscriber) {
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var sub = new Subscription_1.Subscription();
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var iterator;
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sub.add(function () {
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if (iterator && typeof iterator.return === 'function') {
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iterator.return();
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}
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});
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sub.add(scheduler.schedule(function () {
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iterator = input[iterator_1.iterator]();
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sub.add(scheduler.schedule(function () {
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if (subscriber.closed) {
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return;
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}
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var value;
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var done;
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try {
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var result = iterator.next();
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value = result.value;
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done = result.done;
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}
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catch (err) {
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subscriber.error(err);
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return;
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}
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if (done) {
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subscriber.complete();
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}
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else {
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subscriber.next(value);
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this.schedule();
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}
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}));
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}));
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return sub;
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});
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}
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}
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exports.fromIterable = fromIterable;
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//# sourceMappingURL=fromIterable.js.map
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