[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 OuterSubscriber_1 = require("../OuterSubscriber");
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| 17 | var subscribeToResult_1 = require("../util/subscribeToResult");
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| 18 | function withLatestFrom() {
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| 19 | var args = [];
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| 20 | for (var _i = 0; _i < arguments.length; _i++) {
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| 21 | args[_i] = arguments[_i];
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| 22 | }
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| 23 | return function (source) {
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| 24 | var project;
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| 25 | if (typeof args[args.length - 1] === 'function') {
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| 26 | project = args.pop();
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| 27 | }
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| 28 | var observables = args;
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| 29 | return source.lift(new WithLatestFromOperator(observables, project));
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| 30 | };
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| 31 | }
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| 32 | exports.withLatestFrom = withLatestFrom;
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| 33 | var WithLatestFromOperator = (function () {
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| 34 | function WithLatestFromOperator(observables, project) {
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| 35 | this.observables = observables;
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| 36 | this.project = project;
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| 37 | }
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| 38 | WithLatestFromOperator.prototype.call = function (subscriber, source) {
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| 39 | return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project));
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| 40 | };
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| 41 | return WithLatestFromOperator;
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| 42 | }());
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| 43 | var WithLatestFromSubscriber = (function (_super) {
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| 44 | __extends(WithLatestFromSubscriber, _super);
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| 45 | function WithLatestFromSubscriber(destination, observables, project) {
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| 46 | var _this = _super.call(this, destination) || this;
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| 47 | _this.observables = observables;
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| 48 | _this.project = project;
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| 49 | _this.toRespond = [];
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| 50 | var len = observables.length;
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| 51 | _this.values = new Array(len);
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| 52 | for (var i = 0; i < len; i++) {
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| 53 | _this.toRespond.push(i);
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| 54 | }
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| 55 | for (var i = 0; i < len; i++) {
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| 56 | var observable = observables[i];
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| 57 | _this.add(subscribeToResult_1.subscribeToResult(_this, observable, undefined, i));
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| 58 | }
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| 59 | return _this;
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| 60 | }
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| 61 | WithLatestFromSubscriber.prototype.notifyNext = function (_outerValue, innerValue, outerIndex) {
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| 62 | this.values[outerIndex] = innerValue;
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| 63 | var toRespond = this.toRespond;
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| 64 | if (toRespond.length > 0) {
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| 65 | var found = toRespond.indexOf(outerIndex);
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| 66 | if (found !== -1) {
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| 67 | toRespond.splice(found, 1);
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| 68 | }
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| 69 | }
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| 70 | };
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| 71 | WithLatestFromSubscriber.prototype.notifyComplete = function () {
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| 72 | };
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| 73 | WithLatestFromSubscriber.prototype._next = function (value) {
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| 74 | if (this.toRespond.length === 0) {
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| 75 | var args = [value].concat(this.values);
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| 76 | if (this.project) {
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| 77 | this._tryProject(args);
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| 78 | }
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| 79 | else {
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| 80 | this.destination.next(args);
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| 81 | }
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| 82 | }
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| 83 | };
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| 84 | WithLatestFromSubscriber.prototype._tryProject = function (args) {
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| 85 | var result;
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| 86 | try {
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| 87 | result = this.project.apply(this, args);
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| 88 | }
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| 89 | catch (err) {
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| 90 | this.destination.error(err);
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| 91 | return;
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| 92 | }
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| 93 | this.destination.next(result);
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| 94 | };
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| 95 | return WithLatestFromSubscriber;
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| 96 | }(OuterSubscriber_1.OuterSubscriber));
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| 97 | //# sourceMappingURL=withLatestFrom.js.map |
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