buildFromForm method
Implementation
FormData buildFromForm(FormElement root) {
var clonedForm = root.clone(null);
var formElementMap = {
for (var x
in getFormElementIterator<FormElement>(clonedForm as FormElement)
.where((e) => e.id != null))
x.id!: x
};
_buildCloneableExpressions(clonedForm, formElementMap);
return _build(clonedForm, formElementMap);
}