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							78 lines
						
					
					
						
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							78 lines
						
					
					
						
							2.8 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 innerSubscribe_1 = require("../innerSubscribe"); | 
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function distinct(keySelector, flushes) { | 
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    return function (source) { return source.lift(new DistinctOperator(keySelector, flushes)); }; | 
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} | 
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exports.distinct = distinct; | 
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var DistinctOperator = (function () { | 
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    function DistinctOperator(keySelector, flushes) { | 
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        this.keySelector = keySelector; | 
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        this.flushes = flushes; | 
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    } | 
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    DistinctOperator.prototype.call = function (subscriber, source) { | 
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        return source.subscribe(new DistinctSubscriber(subscriber, this.keySelector, this.flushes)); | 
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    }; | 
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    return DistinctOperator; | 
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}()); | 
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var DistinctSubscriber = (function (_super) { | 
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    __extends(DistinctSubscriber, _super); | 
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    function DistinctSubscriber(destination, keySelector, flushes) { | 
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        var _this = _super.call(this, destination) || this; | 
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        _this.keySelector = keySelector; | 
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        _this.values = new Set(); | 
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        if (flushes) { | 
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            _this.add(innerSubscribe_1.innerSubscribe(flushes, new innerSubscribe_1.SimpleInnerSubscriber(_this))); | 
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        } | 
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        return _this; | 
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    } | 
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    DistinctSubscriber.prototype.notifyNext = function () { | 
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        this.values.clear(); | 
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    }; | 
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    DistinctSubscriber.prototype.notifyError = function (error) { | 
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        this._error(error); | 
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    }; | 
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    DistinctSubscriber.prototype._next = function (value) { | 
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        if (this.keySelector) { | 
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            this._useKeySelector(value); | 
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        } | 
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        else { | 
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            this._finalizeNext(value, value); | 
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        } | 
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    }; | 
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    DistinctSubscriber.prototype._useKeySelector = function (value) { | 
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        var key; | 
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        var destination = this.destination; | 
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        try { | 
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            key = this.keySelector(value); | 
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        } | 
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        catch (err) { | 
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            destination.error(err); | 
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            return; | 
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        } | 
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        this._finalizeNext(key, value); | 
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    }; | 
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    DistinctSubscriber.prototype._finalizeNext = function (key, value) { | 
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        var values = this.values; | 
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        if (!values.has(key)) { | 
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            values.add(key); | 
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            this.destination.next(value); | 
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        } | 
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    }; | 
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    return DistinctSubscriber; | 
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}(innerSubscribe_1.SimpleOuterSubscriber)); | 
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exports.DistinctSubscriber = DistinctSubscriber; | 
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//# sourceMappingURL=distinct.js.map
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