| "use strict"; |
| var __extends = (this && this.__extends) || (function () { |
| var extendStatics = function (d, b) { |
| extendStatics = Object.setPrototypeOf || |
| ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || |
| function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; |
| return extendStatics(d, b); |
| } |
| return function (d, b) { |
| extendStatics(d, b); |
| function __() { this.constructor = d; } |
| d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); |
| }; |
| })(); |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| var Subscriber_1 = require("../Subscriber"); |
| var ArgumentOutOfRangeError_1 = require("../util/ArgumentOutOfRangeError"); |
| var empty_1 = require("../observable/empty"); |
| function take(count) { |
| return function (source) { |
| if (count === 0) { |
| return empty_1.empty(); |
| } |
| else { |
| return source.lift(new TakeOperator(count)); |
| } |
| }; |
| } |
| exports.take = take; |
| var TakeOperator = (function () { |
| function TakeOperator(total) { |
| this.total = total; |
| if (this.total < 0) { |
| throw new ArgumentOutOfRangeError_1.ArgumentOutOfRangeError; |
| } |
| } |
| TakeOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new TakeSubscriber(subscriber, this.total)); |
| }; |
| return TakeOperator; |
| }()); |
| var TakeSubscriber = (function (_super) { |
| __extends(TakeSubscriber, _super); |
| function TakeSubscriber(destination, total) { |
| var _this = _super.call(this, destination) || this; |
| _this.total = total; |
| _this.count = 0; |
| return _this; |
| } |
| TakeSubscriber.prototype._next = function (value) { |
| var total = this.total; |
| var count = ++this.count; |
| if (count <= total) { |
| this.destination.next(value); |
| if (count === total) { |
| this.destination.complete(); |
| this.unsubscribe(); |
| } |
| } |
| }; |
| return TakeSubscriber; |
| }(Subscriber_1.Subscriber)); |
| //# sourceMappingURL=take.js.map |