$isDirty()

class User extends Model {  static entity = 'users'  @Attr('') declare id: number  @Str('') declare name: string}const user = new User({ id: 1, name: 'John Doe' })// Returns falseuser.$isDirty()user.name = 'Jane Doe'// Returns trueuser.$isDirty()// Returns trueuser.$isDirty('name')// Returns falseuser.$isDirty('id')// Throws an error because you are checking a not existing attribute of `User`user.$isDirty('lastName')

function $isDirty($attribute?: keyof ModelFields): Boolean