// Do not edit. This file is generated.
// MoonBit type: IDBVersionChangeEvent
// Specifications: IndexedDB.idl

///|
/// [IDBVersionChangeEvent](https://developer.mozilla.org/en-US/docs/Web/API/IDBVersionChangeEvent)
#external
pub type IDBVersionChangeEvent

///|
pub impl TJsValue for IDBVersionChangeEvent with to_js(
  self : IDBVersionChangeEvent,
) -> JsValue = "%identity"

///|
pub impl FromJsAny for IDBVersionChangeEvent with from_js_any(value : JsAny) -> IDBVersionChangeEvent = "%identity"

///|
/// Unchecked downcast — no runtime type check is performed.
/// Prefer `try_into()` for checked downcasts.
#deprecated("Use unsafe_into or try_into instead")
pub fn[T : TIDBVersionChangeEvent] IDBVersionChangeEvent::into(
  self : IDBVersionChangeEvent,
) -> T = "%identity"

///|
/// Unchecked downcast — no runtime type check is performed.
/// WARNING: If the underlying JS value is not of type T, this will silently
/// produce a value with incorrect type, leading to undefined behavior.
pub fn[T : TIDBVersionChangeEvent] IDBVersionChangeEvent::unsafe_into(
  self : IDBVersionChangeEvent,
) -> T = "%identity"

///|
pub impl HasConstructor for IDBVersionChangeEvent with constructor_name() {
  "IDBVersionChangeEvent"
}

///|
/// Checked downcast — returns None if the JS value is not an instance of T.
pub fn[T : TIDBVersionChangeEvent + HasConstructor] IDBVersionChangeEvent::try_into(
  self : IDBVersionChangeEvent,
) -> T? {
  if js_instanceof(TJsValue::to_js(self), T::constructor_name()) {
    Some(self.unsafe_into())
  } else {
    None
  }
}

///|
pub impl TIDBVersionChangeEvent for IDBVersionChangeEvent

///|
pub impl TEvent for IDBVersionChangeEvent

///|
pub fn IDBVersionChangeEvent::new(
  type_ : String,
  event_init_dict? : IDBVersionChangeEventInit,
) -> IDBVersionChangeEvent {
  idb_version_change_event_new_ffi(
    TJsValue::to_js(type_),
    opt_to_js(event_init_dict),
  )
}

///|
/// [IDBVersionChangeEvent](https://developer.mozilla.org/en-US/docs/Web/API/IDBVersionChangeEvent) interface.
pub trait TIDBVersionChangeEvent: TEvent {
  old_version(self : Self) -> UInt64 = _
  new_version(self : Self) -> UInt64 = _
}

///|
/// [IDBVersionChangeEvent.oldVersion](https://developer.mozilla.org/en-US/docs/Web/API/IDBVersionChangeEvent/oldVersion)
impl TIDBVersionChangeEvent with old_version(self : Self) -> UInt64 {
  idb_version_change_event_old_version_ffi(TJsValue::to_js(self))
}

///|
/// [IDBVersionChangeEvent.newVersion](https://developer.mozilla.org/en-US/docs/Web/API/IDBVersionChangeEvent/newVersion)
impl TIDBVersionChangeEvent with new_version(self : Self) -> UInt64 {
  idb_version_change_event_new_version_ffi(TJsValue::to_js(self))
}

///|
#cfg(target="js")
extern "js" fn idb_version_change_event_new_ffi(
  type_ : JsValue,
  event_init_dict : JsValue,
) -> IDBVersionChangeEvent = "(type_, event_init_dict) => new IDBVersionChangeEvent(type_, event_init_dict)"

///|
#cfg(target="js")
extern "js" fn idb_version_change_event_old_version_ffi_js(
  obj : JsValue,
) -> JsValue = "(obj) => obj.oldVersion"

///|
#cfg(target="js")
fn idb_version_change_event_old_version_ffi(obj : JsValue) -> UInt64 {
  idb_version_change_event_old_version_ffi_js(obj).unsafe_cast()
}

///|
#cfg(target="js")
extern "js" fn idb_version_change_event_new_version_ffi_js(
  obj : JsValue,
) -> JsValue = "(obj) => obj.newVersion"

///|
#cfg(target="js")
fn idb_version_change_event_new_version_ffi(obj : JsValue) -> UInt64 {
  idb_version_change_event_new_version_ffi_js(obj).unsafe_cast()
}

///|
#cfg(target="wasm-gc")
fn idb_version_change_event_new_ffi(
  type_ : JsValue,
  event_init_dict : JsValue,
) -> IDBVersionChangeEvent = "webapi_IDBVersionChangeEvent" "new"

///|
#cfg(target="wasm-gc")
fn idb_version_change_event_old_version_ffi(obj : JsValue) -> UInt64 = "webapi_IDBVersionChangeEvent" "get_oldVersion"

///|
#cfg(target="wasm-gc")
fn idb_version_change_event_new_version_ffi(obj : JsValue) -> UInt64 = "webapi_IDBVersionChangeEvent" "get_newVersion"