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							97 lines
						
					
					
						
							3.5 KiB
						
					
					
				
			
		
		
	
	
							97 lines
						
					
					
						
							3.5 KiB
						
					
					
				"use strict"; | 
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var __extends = (this && this.__extends) || (function () { | 
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    var extendStatics = function (d, b) { | 
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        extendStatics = Object.setPrototypeOf || | 
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            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || | 
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            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; | 
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        return extendStatics(d, b); | 
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    } | 
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    return function (d, b) { | 
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        extendStatics(d, b); | 
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        function __() { this.constructor = d; } | 
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        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); | 
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    }; | 
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})(); | 
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Object.defineProperty(exports, "__esModule", { value: true }); | 
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var OuterSubscriber_1 = require("../OuterSubscriber"); | 
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var subscribeToResult_1 = require("../util/subscribeToResult"); | 
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function withLatestFrom() { | 
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    var args = []; | 
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    for (var _i = 0; _i < arguments.length; _i++) { | 
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        args[_i] = arguments[_i]; | 
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    } | 
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    return function (source) { | 
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        var project; | 
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        if (typeof args[args.length - 1] === 'function') { | 
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            project = args.pop(); | 
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        } | 
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        var observables = args; | 
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        return source.lift(new WithLatestFromOperator(observables, project)); | 
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    }; | 
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} | 
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exports.withLatestFrom = withLatestFrom; | 
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var WithLatestFromOperator = (function () { | 
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    function WithLatestFromOperator(observables, project) { | 
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        this.observables = observables; | 
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        this.project = project; | 
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    } | 
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    WithLatestFromOperator.prototype.call = function (subscriber, source) { | 
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        return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project)); | 
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    }; | 
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    return WithLatestFromOperator; | 
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}()); | 
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var WithLatestFromSubscriber = (function (_super) { | 
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    __extends(WithLatestFromSubscriber, _super); | 
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    function WithLatestFromSubscriber(destination, observables, project) { | 
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        var _this = _super.call(this, destination) || this; | 
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        _this.observables = observables; | 
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        _this.project = project; | 
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        _this.toRespond = []; | 
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        var len = observables.length; | 
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        _this.values = new Array(len); | 
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        for (var i = 0; i < len; i++) { | 
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            _this.toRespond.push(i); | 
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        } | 
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        for (var i = 0; i < len; i++) { | 
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            var observable = observables[i]; | 
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            _this.add(subscribeToResult_1.subscribeToResult(_this, observable, undefined, i)); | 
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        } | 
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        return _this; | 
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    } | 
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    WithLatestFromSubscriber.prototype.notifyNext = function (_outerValue, innerValue, outerIndex) { | 
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        this.values[outerIndex] = innerValue; | 
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        var toRespond = this.toRespond; | 
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        if (toRespond.length > 0) { | 
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            var found = toRespond.indexOf(outerIndex); | 
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            if (found !== -1) { | 
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                toRespond.splice(found, 1); | 
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            } | 
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        } | 
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    }; | 
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    WithLatestFromSubscriber.prototype.notifyComplete = function () { | 
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    }; | 
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    WithLatestFromSubscriber.prototype._next = function (value) { | 
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        if (this.toRespond.length === 0) { | 
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            var args = [value].concat(this.values); | 
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            if (this.project) { | 
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                this._tryProject(args); | 
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            } | 
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            else { | 
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                this.destination.next(args); | 
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            } | 
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        } | 
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    }; | 
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    WithLatestFromSubscriber.prototype._tryProject = function (args) { | 
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        var result; | 
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        try { | 
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            result = this.project.apply(this, args); | 
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        } | 
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        catch (err) { | 
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            this.destination.error(err); | 
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            return; | 
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        } | 
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        this.destination.next(result); | 
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    }; | 
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    return WithLatestFromSubscriber; | 
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}(OuterSubscriber_1.OuterSubscriber)); | 
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//# sourceMappingURL=withLatestFrom.js.map
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