fix: creating a new label when adding a new card resets all fields (#119)

* fix: creating a new label when adding a new card resets all fields

* fix: persist form data and modal stacking without breaking the animations

apps/web/src/hooks/useModalFormState.ts

@@ -0,0 +1,48 @@
+import { useEffect } from "react";
+import { useModal } from "~/providers/modal";
+
+interface UseModalFormStateOptions<T> {
+  modalType: string;
+  initialValues: T;
+  resetOnClose?: boolean;
+}
+
+export function useModalFormState<T extends Record<string, any>>({
+  modalType,
+  initialValues,
+  resetOnClose = false,
+}: UseModalFormStateOptions<T>) {
+  const { modalContentType, isOpen, getModalState, setModalState, clearModalState } = useModal();
+  
+  const isCurrentModal = modalContentType === modalType;
+  const savedState = getModalState(modalType) as T | undefined;
+  
+  // get current form state (using the saved values if available, otherwise the initial values)
+  const formState = savedState || initialValues;
+
+  const saveFormState = (state: Partial<T>) => {
+    if (!isCurrentModal) return;
+    
+    const currentState = getModalState(modalType) || initialValues;
+    const newState = { ...currentState, ...state };
+    setModalState(modalType, newState);
+  };
+
+  const clearFormState = () => {
+    clearModalState(modalType);
+  };
+
+  useEffect(() => {
+    if (resetOnClose && !isOpen && savedState) {
+      clearModalState(modalType);
+    }
+  }, [isOpen, resetOnClose, savedState, modalType, clearModalState]);
+
+  return {
+    formState,
+    saveFormState,
+    clearFormState,
+    isCurrentModal,
+    hasSavedState: !!savedState,
+  };
+}