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node_modules/rxjs/_esm5/internal/operators/exhaust.js

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+/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
+import * as tslib_1 from "tslib";
+import { OuterSubscriber } from '../OuterSubscriber';
+import { subscribeToResult } from '../util/subscribeToResult';
+export function exhaust() {
+    return function (source) { return source.lift(new SwitchFirstOperator()); };
+}
+var SwitchFirstOperator = /*@__PURE__*/ (function () {
+    function SwitchFirstOperator() {
+    }
+    SwitchFirstOperator.prototype.call = function (subscriber, source) {
+        return source.subscribe(new SwitchFirstSubscriber(subscriber));
+    };
+    return SwitchFirstOperator;
+}());
+var SwitchFirstSubscriber = /*@__PURE__*/ (function (_super) {
+    tslib_1.__extends(SwitchFirstSubscriber, _super);
+    function SwitchFirstSubscriber(destination) {
+        var _this = _super.call(this, destination) || this;
+        _this.hasCompleted = false;
+        _this.hasSubscription = false;
+        return _this;
+    }
+    SwitchFirstSubscriber.prototype._next = function (value) {
+        if (!this.hasSubscription) {
+            this.hasSubscription = true;
+            this.add(subscribeToResult(this, value));
+        }
+    };
+    SwitchFirstSubscriber.prototype._complete = function () {
+        this.hasCompleted = true;
+        if (!this.hasSubscription) {
+            this.destination.complete();
+        }
+    };
+    SwitchFirstSubscriber.prototype.notifyComplete = function (innerSub) {
+        this.remove(innerSub);
+        this.hasSubscription = false;
+        if (this.hasCompleted) {
+            this.destination.complete();
+        }
+    };
+    return SwitchFirstSubscriber;
+}(OuterSubscriber));
+//# sourceMappingURL=exhaust.js.map