| "use strict"; |
| var __extends = (this && this.__extends) || (function () { |
| var extendStatics = function (d, b) { |
| extendStatics = Object.setPrototypeOf || |
| ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || |
| function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; |
| return extendStatics(d, b); |
| } |
| return function (d, b) { |
| extendStatics(d, b); |
| function __() { this.constructor = d; } |
| d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); |
| }; |
| })(); |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| var isScheduler_1 = require("../util/isScheduler"); |
| var isArray_1 = require("../util/isArray"); |
| var OuterSubscriber_1 = require("../OuterSubscriber"); |
| var subscribeToResult_1 = require("../util/subscribeToResult"); |
| var fromArray_1 = require("./fromArray"); |
| var NONE = {}; |
| function combineLatest() { |
| var observables = []; |
| for (var _i = 0; _i < arguments.length; _i++) { |
| observables[_i] = arguments[_i]; |
| } |
| var resultSelector = null; |
| var scheduler = null; |
| if (isScheduler_1.isScheduler(observables[observables.length - 1])) { |
| scheduler = observables.pop(); |
| } |
| if (typeof observables[observables.length - 1] === 'function') { |
| resultSelector = observables.pop(); |
| } |
| if (observables.length === 1 && isArray_1.isArray(observables[0])) { |
| observables = observables[0]; |
| } |
| return fromArray_1.fromArray(observables, scheduler).lift(new CombineLatestOperator(resultSelector)); |
| } |
| exports.combineLatest = combineLatest; |
| var CombineLatestOperator = (function () { |
| function CombineLatestOperator(resultSelector) { |
| this.resultSelector = resultSelector; |
| } |
| CombineLatestOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new CombineLatestSubscriber(subscriber, this.resultSelector)); |
| }; |
| return CombineLatestOperator; |
| }()); |
| exports.CombineLatestOperator = CombineLatestOperator; |
| var CombineLatestSubscriber = (function (_super) { |
| __extends(CombineLatestSubscriber, _super); |
| function CombineLatestSubscriber(destination, resultSelector) { |
| var _this = _super.call(this, destination) || this; |
| _this.resultSelector = resultSelector; |
| _this.active = 0; |
| _this.values = []; |
| _this.observables = []; |
| return _this; |
| } |
| CombineLatestSubscriber.prototype._next = function (observable) { |
| this.values.push(NONE); |
| this.observables.push(observable); |
| }; |
| CombineLatestSubscriber.prototype._complete = function () { |
| var observables = this.observables; |
| var len = observables.length; |
| if (len === 0) { |
| this.destination.complete(); |
| } |
| else { |
| this.active = len; |
| this.toRespond = len; |
| for (var i = 0; i < len; i++) { |
| var observable = observables[i]; |
| this.add(subscribeToResult_1.subscribeToResult(this, observable, observable, i)); |
| } |
| } |
| }; |
| CombineLatestSubscriber.prototype.notifyComplete = function (unused) { |
| if ((this.active -= 1) === 0) { |
| this.destination.complete(); |
| } |
| }; |
| CombineLatestSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { |
| var values = this.values; |
| var oldVal = values[outerIndex]; |
| var toRespond = !this.toRespond |
| ? 0 |
| : oldVal === NONE ? --this.toRespond : this.toRespond; |
| values[outerIndex] = innerValue; |
| if (toRespond === 0) { |
| if (this.resultSelector) { |
| this._tryResultSelector(values); |
| } |
| else { |
| this.destination.next(values.slice()); |
| } |
| } |
| }; |
| CombineLatestSubscriber.prototype._tryResultSelector = function (values) { |
| var result; |
| try { |
| result = this.resultSelector.apply(this, values); |
| } |
| catch (err) { |
| this.destination.error(err); |
| return; |
| } |
| this.destination.next(result); |
| }; |
| return CombineLatestSubscriber; |
| }(OuterSubscriber_1.OuterSubscriber)); |
| exports.CombineLatestSubscriber = CombineLatestSubscriber; |
| //# sourceMappingURL=combineLatest.js.map |