| /** PURE_IMPORTS_START tslib,_Subscriber,_util_ArgumentOutOfRangeError,_observable_empty PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { Subscriber } from '../Subscriber'; |
| import { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError'; |
| import { empty } from '../observable/empty'; |
| export function take(count) { |
| return function (source) { |
| if (count === 0) { |
| return empty(); |
| } |
| else { |
| return source.lift(new TakeOperator(count)); |
| } |
| }; |
| } |
| var TakeOperator = /*@__PURE__*/ (function () { |
| function TakeOperator(total) { |
| this.total = total; |
| if (this.total < 0) { |
| throw new ArgumentOutOfRangeError; |
| } |
| } |
| TakeOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new TakeSubscriber(subscriber, this.total)); |
| }; |
| return TakeOperator; |
| }()); |
| var TakeSubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__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)); |
| //# sourceMappingURL=take.js.map |