Add web front-end and fix API issues

node_modules/rxjs/dist/esm/internal/util/argsArgArrayOrObject.js

@@ -0,0 +1,22 @@
+const { isArray } = Array;
+const { getPrototypeOf, prototype: objectProto, keys: getKeys } = Object;
+export function argsArgArrayOrObject(args) {
+    if (args.length === 1) {
+        const first = args[0];
+        if (isArray(first)) {
+            return { args: first, keys: null };
+        }
+        if (isPOJO(first)) {
+            const keys = getKeys(first);
+            return {
+                args: keys.map((key) => first[key]),
+                keys,
+            };
+        }
+    }
+    return { args: args, keys: null };
+}
+function isPOJO(obj) {
+    return obj && typeof obj === 'object' && getPrototypeOf(obj) === objectProto;
+}
+//# sourceMappingURL=argsArgArrayOrObject.js.map