Add web front-end and fix API issues

node_modules/rxjs/dist/esm5/internal/operators/debounce.js

@@ -0,0 +1,34 @@
+import { operate } from '../util/lift';
+import { noop } from '../util/noop';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { innerFrom } from '../observable/innerFrom';
+export function debounce(durationSelector) {
+    return operate(function (source, subscriber) {
+        var hasValue = false;
+        var lastValue = null;
+        var durationSubscriber = null;
+        var emit = function () {
+            durationSubscriber === null || durationSubscriber === void 0 ? void 0 : durationSubscriber.unsubscribe();
+            durationSubscriber = null;
+            if (hasValue) {
+                hasValue = false;
+                var value = lastValue;
+                lastValue = null;
+                subscriber.next(value);
+            }
+        };
+        source.subscribe(createOperatorSubscriber(subscriber, function (value) {
+            durationSubscriber === null || durationSubscriber === void 0 ? void 0 : durationSubscriber.unsubscribe();
+            hasValue = true;
+            lastValue = value;
+            durationSubscriber = createOperatorSubscriber(subscriber, emit, noop);
+            innerFrom(durationSelector(value)).subscribe(durationSubscriber);
+        }, function () {
+            emit();
+            subscriber.complete();
+        }, undefined, function () {
+            lastValue = durationSubscriber = null;
+        }));
+    });
+}
+//# sourceMappingURL=debounce.js.map