| 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 Subscriber_1 = require("../Subscriber");
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| 17 | function count(predicate) {
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| 18 | return function (source) { return source.lift(new CountOperator(predicate, source)); };
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| 19 | }
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| 20 | exports.count = count;
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| 21 | var CountOperator = (function () {
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| 22 | function CountOperator(predicate, source) {
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| 23 | this.predicate = predicate;
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| 24 | this.source = source;
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| 25 | }
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| 26 | CountOperator.prototype.call = function (subscriber, source) {
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| 27 | return source.subscribe(new CountSubscriber(subscriber, this.predicate, this.source));
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| 28 | };
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| 29 | return CountOperator;
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| 30 | }());
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| 31 | var CountSubscriber = (function (_super) {
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| 32 | __extends(CountSubscriber, _super);
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| 33 | function CountSubscriber(destination, predicate, source) {
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| 34 | var _this = _super.call(this, destination) || this;
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| 35 | _this.predicate = predicate;
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| 36 | _this.source = source;
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| 37 | _this.count = 0;
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| 38 | _this.index = 0;
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| 39 | return _this;
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| 40 | }
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| 41 | CountSubscriber.prototype._next = function (value) {
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| 42 | if (this.predicate) {
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| 43 | this._tryPredicate(value);
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| 44 | }
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| 45 | else {
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| 46 | this.count++;
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| 47 | }
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| 48 | };
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| 49 | CountSubscriber.prototype._tryPredicate = function (value) {
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| 50 | var result;
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| 51 | try {
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| 52 | result = this.predicate(value, this.index++, this.source);
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| 53 | }
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| 54 | catch (err) {
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| 55 | this.destination.error(err);
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| 56 | return;
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| 57 | }
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| 58 | if (result) {
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| 59 | this.count++;
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| 60 | }
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| 61 | };
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| 62 | CountSubscriber.prototype._complete = function () {
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| 63 | this.destination.next(this.count);
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| 64 | this.destination.complete();
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| 65 | };
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| 66 | return CountSubscriber;
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| 67 | }(Subscriber_1.Subscriber));
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| 68 | //# sourceMappingURL=count.js.map |
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