feat(utils): add form utility helpers

Co-authored-by: DHV Team <dhvteam@users.noreply.github.com>

Author: maitamdev

src/utils/formUtils.ts

@@ -0,0 +1,20 @@
+// Form utility helpers
+export function serializeForm(form: HTMLFormElement): Record<string, string> {
+  const data: Record<string, string> = {};
+  const formData = new FormData(form);
+  formData.forEach((value, key) => { data[key] = value.toString(); });
+  return data;
+}
+export function resetForm(form: HTMLFormElement): void { form.reset(); }
+export function isFormDirty(form: HTMLFormElement, originalValues: Record<string, string>): boolean {
+  const currentValues = serializeForm(form);
+  return Object.keys(originalValues).some(key => originalValues[key] !== currentValues[key]);
+}
+export function setFormErrors(errors: Record<string, string>): void {
+  Object.entries(errors).forEach(([field, message]) => {
+    const el = document.querySelector('[name=""' + field + '""]');
+    if (el) el.setAttribute('aria-invalid', 'true');
+    const errEl = document.getElementById(field + '-error');
+    if (errEl) errEl.textContent = message;
+  });
+}