Add utility test for value parser

src/utilities/parseDefaults.js

@@ -1,7 +1,13 @@
 export function parseDefaults(inputs) {
     let dv = {};
     if (inputs) {
-        inputs.forEach((input) => (dv[input.name] = input.value));
+        inputs.forEach((input) => {
+            if (input.name) {
+                dv[input.name] = input.value || null;
+            } else {
+                console.debug("Warning: Detected input element with no name.");
+            }
+        });
     }
     return dv;
 }

src/utilities/parseDefaults.test.js

@@ -0,0 +1,13 @@
+import { parseDefaults } from "./parseDefaults.js";
+
+test("parse defaults", () => {
+    expect(
+        parseDefaults([
+            { name: "a", value: "b" },
+            { name: "c", value: "d" },
+            { name: "e", value: undefined },
+            { name: "f" },
+            { value: "g" },
+        ]),
+    ).toEqual({ a: "b", c: "d", "e": null, "f": null });
+});

src/utilities/parseIncoming.js

@@ -7,7 +7,7 @@ export function parseIncoming(config) {
     const root = incoming.root || config?.root || "/";
     const visualizationId = incoming.visualization_id;
     const visualizationPlugin = incoming.visualization_plugin;
-    const visualizationTitle = incoming.visualization_title || config?.title || "New Chart";
+    const visualizationTitle = incoming.visualization_title || config?.title || "Unnamed Visualization";
 
     // parse chart dict
     let visualizationConfig = incoming.visualization_config || config;