[6a3a178] | 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 | var ArgumentOutOfRangeError_1 = require("../util/ArgumentOutOfRangeError");
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| 18 | var empty_1 = require("../observable/empty");
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| 19 | function take(count) {
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| 20 | return function (source) {
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| 21 | if (count === 0) {
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| 22 | return empty_1.empty();
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| 23 | }
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| 24 | else {
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| 25 | return source.lift(new TakeOperator(count));
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| 26 | }
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| 27 | };
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| 28 | }
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| 29 | exports.take = take;
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| 30 | var TakeOperator = (function () {
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| 31 | function TakeOperator(total) {
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| 32 | this.total = total;
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| 33 | if (this.total < 0) {
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| 34 | throw new ArgumentOutOfRangeError_1.ArgumentOutOfRangeError;
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| 35 | }
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| 36 | }
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| 37 | TakeOperator.prototype.call = function (subscriber, source) {
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| 38 | return source.subscribe(new TakeSubscriber(subscriber, this.total));
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| 39 | };
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| 40 | return TakeOperator;
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| 41 | }());
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| 42 | var TakeSubscriber = (function (_super) {
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| 43 | __extends(TakeSubscriber, _super);
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| 44 | function TakeSubscriber(destination, total) {
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| 45 | var _this = _super.call(this, destination) || this;
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| 46 | _this.total = total;
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| 47 | _this.count = 0;
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| 48 | return _this;
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| 49 | }
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| 50 | TakeSubscriber.prototype._next = function (value) {
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| 51 | var total = this.total;
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| 52 | var count = ++this.count;
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| 53 | if (count <= total) {
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| 54 | this.destination.next(value);
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| 55 | if (count === total) {
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| 56 | this.destination.complete();
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| 57 | this.unsubscribe();
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| 58 | }
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| 59 | }
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| 60 | };
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| 61 | return TakeSubscriber;
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| 62 | }(Subscriber_1.Subscriber));
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| 63 | //# sourceMappingURL=take.js.map |
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