chore(ui5-combobox): complexValue POC

packages/base/src/UI5Element.ts

@@ -79,6 +79,14 @@ const defaultConverter = {
 		if (type === Number) {
 			return value === null ? undefined : parseFloat(value);
 		}
+
+		if (type === Object || type === Array) {
+			try {
+				return JSON.parse(value as string) as object | Array<unknown>;
+			} catch {
+				return value;
+			}
+		}
 		return value;
 	},
 	toAttribute(value: unknown, type: unknown) {
@@ -88,7 +96,7 @@ const defaultConverter = {
 
 		// don't set attributes for arrays and objects
 		if (type === Object || type === Array) {
-			return null;
+			return JSON.stringify(value);
 		}
 
 		// object, array, other

packages/base/src/UI5ElementMetadata.ts

@@ -133,7 +133,7 @@ class UI5ElementMetadata {
 	 */
 	hasAttribute(propName: string): boolean {
 		const propData = this.getProperties()[propName];
-		return propData.type !== Object && propData.type !== Array && !propData.noAttribute;
+		return propData.type !== Object && !propData.noAttribute;
 	}
 
 	/**