Add web front-end and fix API issues

node_modules/rxjs/dist/cjs/internal/operators/exhaustMap.js

@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.exhaustMap = void 0;
+var map_1 = require("./map");
+var innerFrom_1 = require("../observable/innerFrom");
+var lift_1 = require("../util/lift");
+var OperatorSubscriber_1 = require("./OperatorSubscriber");
+function exhaustMap(project, resultSelector) {
+    if (resultSelector) {
+        return function (source) {
+            return source.pipe(exhaustMap(function (a, i) { return innerFrom_1.innerFrom(project(a, i)).pipe(map_1.map(function (b, ii) { return resultSelector(a, b, i, ii); })); }));
+        };
+    }
+    return lift_1.operate(function (source, subscriber) {
+        var index = 0;
+        var innerSub = null;
+        var isComplete = false;
+        source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (outerValue) {
+            if (!innerSub) {
+                innerSub = OperatorSubscriber_1.createOperatorSubscriber(subscriber, undefined, function () {
+                    innerSub = null;
+                    isComplete && subscriber.complete();
+                });
+                innerFrom_1.innerFrom(project(outerValue, index++)).subscribe(innerSub);
+            }
+        }, function () {
+            isComplete = true;
+            !innerSub && subscriber.complete();
+        }));
+    });
+}
+exports.exhaustMap = exhaustMap;
+//# sourceMappingURL=exhaustMap.js.map