--- /dev/null
+"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");
+function filter(predicate, thisArg) {
+ return function filterOperatorFunction(source) {
+ return source.lift(new FilterOperator(predicate, thisArg));
+ };
+}
+exports.filter = filter;
+var FilterOperator = (function () {
+ function FilterOperator(predicate, thisArg) {
+ this.predicate = predicate;
+ this.thisArg = thisArg;
+ }
+ FilterOperator.prototype.call = function (subscriber, source) {
+ return source.subscribe(new FilterSubscriber(subscriber, this.predicate, this.thisArg));
+ };
+ return FilterOperator;
+}());
+var FilterSubscriber = (function (_super) {
+ __extends(FilterSubscriber, _super);
+ function FilterSubscriber(destination, predicate, thisArg) {
+ var _this = _super.call(this, destination) || this;
+ _this.predicate = predicate;
+ _this.thisArg = thisArg;
+ _this.count = 0;
+ return _this;
+ }
+ FilterSubscriber.prototype._next = function (value) {
+ var result;
+ try {
+ result = this.predicate.call(this.thisArg, value, this.count++);
+ }
+ catch (err) {
+ this.destination.error(err);
+ return;
+ }
+ if (result) {
+ this.destination.next(value);
+ }
+ };
+ return FilterSubscriber;
+}(Subscriber_1.Subscriber));
+//# sourceMappingURL=filter.js.map
\ No newline at end of file