Add web front-end and fix API issues

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

@@ -0,0 +1,22 @@
+import { operate } from '../util/lift';
+import { noop } from '../util/noop';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { innerFrom } from '../observable/innerFrom';
+export function buffer(closingNotifier) {
+    return operate(function (source, subscriber) {
+        var currentBuffer = [];
+        source.subscribe(createOperatorSubscriber(subscriber, function (value) { return currentBuffer.push(value); }, function () {
+            subscriber.next(currentBuffer);
+            subscriber.complete();
+        }));
+        innerFrom(closingNotifier).subscribe(createOperatorSubscriber(subscriber, function () {
+            var b = currentBuffer;
+            currentBuffer = [];
+            subscriber.next(b);
+        }, noop));
+        return function () {
+            currentBuffer = null;
+        };
+    });
+}
+//# sourceMappingURL=buffer.js.map