[6a3a178] | 1 | "use strict";
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| 2 | var __extends = (this && this.__extends) || (function () {
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| 3 | var extendStatics = function (d, b) {
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| 4 | extendStatics = Object.setPrototypeOf ||
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| 5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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| 6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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| 7 | return extendStatics(d, b);
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| 8 | }
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| 9 | return function (d, b) {
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| 10 | extendStatics(d, b);
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| 11 | function __() { this.constructor = d; }
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| 12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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| 13 | };
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| 14 | })();
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| 15 | Object.defineProperty(exports, "__esModule", { value: true });
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| 16 | var map_1 = require("./map");
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| 17 | var from_1 = require("../observable/from");
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| 18 | var innerSubscribe_1 = require("../innerSubscribe");
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| 19 | function switchMap(project, resultSelector) {
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| 20 | if (typeof resultSelector === 'function') {
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| 21 | return function (source) { return source.pipe(switchMap(function (a, i) { return from_1.from(project(a, i)).pipe(map_1.map(function (b, ii) { return resultSelector(a, b, i, ii); })); })); };
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| 22 | }
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| 23 | return function (source) { return source.lift(new SwitchMapOperator(project)); };
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| 24 | }
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| 25 | exports.switchMap = switchMap;
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| 26 | var SwitchMapOperator = (function () {
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| 27 | function SwitchMapOperator(project) {
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| 28 | this.project = project;
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| 29 | }
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| 30 | SwitchMapOperator.prototype.call = function (subscriber, source) {
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| 31 | return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));
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| 32 | };
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| 33 | return SwitchMapOperator;
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| 34 | }());
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| 35 | var SwitchMapSubscriber = (function (_super) {
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| 36 | __extends(SwitchMapSubscriber, _super);
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| 37 | function SwitchMapSubscriber(destination, project) {
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| 38 | var _this = _super.call(this, destination) || this;
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| 39 | _this.project = project;
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| 40 | _this.index = 0;
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| 41 | return _this;
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| 42 | }
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| 43 | SwitchMapSubscriber.prototype._next = function (value) {
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| 44 | var result;
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| 45 | var index = this.index++;
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| 46 | try {
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| 47 | result = this.project(value, index);
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| 48 | }
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| 49 | catch (error) {
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| 50 | this.destination.error(error);
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| 51 | return;
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| 52 | }
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| 53 | this._innerSub(result);
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| 54 | };
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| 55 | SwitchMapSubscriber.prototype._innerSub = function (result) {
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| 56 | var innerSubscription = this.innerSubscription;
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| 57 | if (innerSubscription) {
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| 58 | innerSubscription.unsubscribe();
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| 59 | }
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| 60 | var innerSubscriber = new innerSubscribe_1.SimpleInnerSubscriber(this);
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| 61 | var destination = this.destination;
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| 62 | destination.add(innerSubscriber);
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| 63 | this.innerSubscription = innerSubscribe_1.innerSubscribe(result, innerSubscriber);
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| 64 | if (this.innerSubscription !== innerSubscriber) {
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| 65 | destination.add(this.innerSubscription);
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| 66 | }
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| 67 | };
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| 68 | SwitchMapSubscriber.prototype._complete = function () {
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| 69 | var innerSubscription = this.innerSubscription;
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| 70 | if (!innerSubscription || innerSubscription.closed) {
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| 71 | _super.prototype._complete.call(this);
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| 72 | }
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| 73 | this.unsubscribe();
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| 74 | };
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| 75 | SwitchMapSubscriber.prototype._unsubscribe = function () {
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| 76 | this.innerSubscription = undefined;
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| 77 | };
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| 78 | SwitchMapSubscriber.prototype.notifyComplete = function () {
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| 79 | this.innerSubscription = undefined;
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| 80 | if (this.isStopped) {
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| 81 | _super.prototype._complete.call(this);
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| 82 | }
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| 83 | };
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| 84 | SwitchMapSubscriber.prototype.notifyNext = function (innerValue) {
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| 85 | this.destination.next(innerValue);
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| 86 | };
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| 87 | return SwitchMapSubscriber;
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| 88 | }(innerSubscribe_1.SimpleOuterSubscriber));
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| 89 | //# sourceMappingURL=switchMap.js.map |
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