| /** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { Subscriber } from '../Subscriber'; |
| export function count(predicate) { |
| return function (source) { return source.lift(new CountOperator(predicate, source)); }; |
| } |
| var CountOperator = /*@__PURE__*/ (function () { |
| function CountOperator(predicate, source) { |
| this.predicate = predicate; |
| this.source = source; |
| } |
| CountOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new CountSubscriber(subscriber, this.predicate, this.source)); |
| }; |
| return CountOperator; |
| }()); |
| var CountSubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(CountSubscriber, _super); |
| function CountSubscriber(destination, predicate, source) { |
| var _this = _super.call(this, destination) || this; |
| _this.predicate = predicate; |
| _this.source = source; |
| _this.count = 0; |
| _this.index = 0; |
| return _this; |
| } |
| CountSubscriber.prototype._next = function (value) { |
| if (this.predicate) { |
| this._tryPredicate(value); |
| } |
| else { |
| this.count++; |
| } |
| }; |
| CountSubscriber.prototype._tryPredicate = function (value) { |
| var result; |
| try { |
| result = this.predicate(value, this.index++, this.source); |
| } |
| catch (err) { |
| this.destination.error(err); |
| return; |
| } |
| if (result) { |
| this.count++; |
| } |
| }; |
| CountSubscriber.prototype._complete = function () { |
| this.destination.next(this.count); |
| this.destination.complete(); |
| }; |
| return CountSubscriber; |
| }(Subscriber)); |
| //# sourceMappingURL=count.js.map |