1 files changed, 82 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/rxjs/internal/operators/single.js b/sandbox/testAppNevena/Front/node_modules/rxjs/internal/operators/single.js
new file mode 100644
index 00000000..b99c2d8c
--- /dev/null
+++ b/sandbox/testAppNevena/Front/node_modules/rxjs/internal/operators/single.js
@@ -0,0 +1,82 @@
+"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 EmptyError_1 = require("../util/EmptyError");
+function single(predicate) {
+    return function (source) { return source.lift(new SingleOperator(predicate, source)); };
+}
+exports.single = single;
+var SingleOperator = (function () {
+    function SingleOperator(predicate, source) {
+        this.predicate = predicate;
+        this.source = source;
+    }
+    SingleOperator.prototype.call = function (subscriber, source) {
+        return source.subscribe(new SingleSubscriber(subscriber, this.predicate, this.source));
+    };
+    return SingleOperator;
+}());
+var SingleSubscriber = (function (_super) {
+    __extends(SingleSubscriber, _super);
+    function SingleSubscriber(destination, predicate, source) {
+        var _this = _super.call(this, destination) || this;
+        _this.predicate = predicate;
+        _this.source = source;
+        _this.seenValue = false;
+        _this.index = 0;
+        return _this;
+    }
+    SingleSubscriber.prototype.applySingleValue = function (value) {
+        if (this.seenValue) {
+            this.destination.error('Sequence contains more than one element');
+        }
+        else {
+            this.seenValue = true;
+            this.singleValue = value;
+        }
+    };
+    SingleSubscriber.prototype._next = function (value) {
+        var index = this.index++;
+        if (this.predicate) {
+            this.tryNext(value, index);
+        }
+        else {
+            this.applySingleValue(value);
+        }
+    };
+    SingleSubscriber.prototype.tryNext = function (value, index) {
+        try {
+            if (this.predicate(value, index, this.source)) {
+                this.applySingleValue(value);
+            }
+        }
+        catch (err) {
+            this.destination.error(err);
+        }
+    };
+    SingleSubscriber.prototype._complete = function () {
+        var destination = this.destination;
+        if (this.index > 0) {
+            destination.next(this.seenValue ? this.singleValue : undefined);
+            destination.complete();
+        }
+        else {
+            destination.error(new EmptyError_1.EmptyError);
+        }
+    };
+    return SingleSubscriber;
+}(Subscriber_1.Subscriber));
+//# sourceMappingURL=single.js.map
+\ No newline at end of file