Missing Combobox.onClear when clearing the input field programatically

.changeset/heavy-cats-jog.md

@@ -0,0 +1,5 @@
+---
+"@navikt/ds-react": patch
+---
+
+Trigger Combobox.onChange callback in addition to onClear when clearing the value programmatically

@navikt/core/react/src/form/combobox/Input/inputContext.tsx

@@ -81,10 +81,11 @@ export const InputContextProvider = ({ children, value: props }) => {
   const clearInput = useCallback(
     (event: React.PointerEvent | React.KeyboardEvent) => {
       onClear?.(event);
+      externalOnChange?.(null, "");
       setValue("");
       setSearchTerm("");
     },
-    [onClear, setSearchTerm, setValue]
+    [externalOnChange, onClear, setValue]
   );
 
   const focusInput = useCallback(() => {

@navikt/core/react/src/form/combobox/combobox.stories.tsx

@@ -506,6 +506,6 @@ export const TestThatCallbacksOnlyFireWhenExpected = {
     await sleep(250);
     expect(args.onClear.mock.calls).toHaveLength(1);
     expect(args.onToggleSelected.mock.calls).toHaveLength(1);
-    expect(args.onChange.mock.calls).toHaveLength(searchWord.length);
+    expect(args.onChange.mock.calls).toHaveLength(searchWord.length + 1);
   },
 };

@navikt/core/react/src/form/combobox/types.ts

@@ -66,7 +66,10 @@ export interface ComboboxProps
    * @param event
    * @returns
    */
-  onChange?: (event: ChangeEvent<HTMLInputElement>) => void;
+  onChange?: (
+    event: ChangeEvent<HTMLInputElement> | null,
+    value?: string
+  ) => void;
   /**
    * Callback function triggered whenever the input field is cleared
    *