add custom rowId support to lists

src/renderer/components/item-list/helpers/extract-row-id.ts

@@ -0,0 +1,28 @@
+/**
+ * Creates a function to extract row ID from an item based on the getRowId configuration.
+ *
+ * @param getRowId - Either a string property name, a function that extracts the ID, or undefined to use default 'id' property
+ * @returns A function that extracts the row ID from an item
+ */
+export const createExtractRowId = (
+    getRowId?: ((item: unknown) => string) | string,
+): ((item: unknown) => string | undefined) => {
+    return (item: unknown): string | undefined => {
+        if (!item || typeof item !== 'object') {
+            return undefined;
+        }
+
+        if (getRowId === undefined) {
+            // Default behavior: use 'id' property
+            return (item as any).id;
+        }
+
+        if (typeof getRowId === 'string') {
+            // getRowId is a property name
+            return (item as any)[getRowId];
+        }
+
+        // getRowId is a function
+        return getRowId(item);
+    };
+};