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							95 lines
						
					
					
						
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							95 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 map_1 = require("./map"); | 
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var from_1 = require("../observable/from"); | 
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var innerSubscribe_1 = require("../innerSubscribe"); | 
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function exhaustMap(project, resultSelector) { | 
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    if (resultSelector) { | 
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        return function (source) { return source.pipe(exhaustMap(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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    } | 
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    return function (source) { | 
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        return source.lift(new ExhaustMapOperator(project)); | 
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    }; | 
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} | 
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exports.exhaustMap = exhaustMap; | 
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var ExhaustMapOperator = (function () { | 
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    function ExhaustMapOperator(project) { | 
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        this.project = project; | 
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    } | 
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    ExhaustMapOperator.prototype.call = function (subscriber, source) { | 
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        return source.subscribe(new ExhaustMapSubscriber(subscriber, this.project)); | 
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    }; | 
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    return ExhaustMapOperator; | 
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}()); | 
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var ExhaustMapSubscriber = (function (_super) { | 
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    __extends(ExhaustMapSubscriber, _super); | 
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    function ExhaustMapSubscriber(destination, project) { | 
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        var _this = _super.call(this, destination) || this; | 
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        _this.project = project; | 
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        _this.hasSubscription = false; | 
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        _this.hasCompleted = false; | 
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        _this.index = 0; | 
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        return _this; | 
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    } | 
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    ExhaustMapSubscriber.prototype._next = function (value) { | 
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        if (!this.hasSubscription) { | 
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            this.tryNext(value); | 
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        } | 
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    }; | 
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    ExhaustMapSubscriber.prototype.tryNext = function (value) { | 
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        var result; | 
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        var index = this.index++; | 
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        try { | 
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            result = this.project(value, index); | 
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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.hasSubscription = true; | 
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        this._innerSub(result); | 
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    }; | 
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    ExhaustMapSubscriber.prototype._innerSub = function (result) { | 
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        var innerSubscriber = new innerSubscribe_1.SimpleInnerSubscriber(this); | 
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        var destination = this.destination; | 
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        destination.add(innerSubscriber); | 
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        var innerSubscription = innerSubscribe_1.innerSubscribe(result, innerSubscriber); | 
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        if (innerSubscription !== innerSubscriber) { | 
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            destination.add(innerSubscription); | 
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        } | 
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    }; | 
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    ExhaustMapSubscriber.prototype._complete = function () { | 
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        this.hasCompleted = true; | 
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        if (!this.hasSubscription) { | 
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            this.destination.complete(); | 
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        } | 
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        this.unsubscribe(); | 
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    }; | 
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    ExhaustMapSubscriber.prototype.notifyNext = function (innerValue) { | 
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        this.destination.next(innerValue); | 
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    }; | 
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    ExhaustMapSubscriber.prototype.notifyError = function (err) { | 
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        this.destination.error(err); | 
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    }; | 
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    ExhaustMapSubscriber.prototype.notifyComplete = function () { | 
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        this.hasSubscription = false; | 
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        if (this.hasCompleted) { | 
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            this.destination.complete(); | 
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        } | 
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    }; | 
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    return ExhaustMapSubscriber; | 
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}(innerSubscribe_1.SimpleOuterSubscriber)); | 
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//# sourceMappingURL=exhaustMap.js.map
 |