Function activateCurrentInstance

src/utils/instance.ts:190–211

(
  instance: ComponentInternalInstance,
  fn: (instance: ComponentInternalInstance) => any,
  onError?: (err: Error) => void
)

}

export function activateCurrentInstance(
  instance: ComponentInternalInstance,
  fn: (instance: ComponentInternalInstance) => any,
  onError?: (err: Error) => void
) {
  let preVm = getCurrentInstance()
  setCurrentInstance(instance)
  try {
    return fn(instance)
  } catch (
    // FIXME: remove any
    err: any
  ) {
    if (onError) {
      onError(err)
    } else {
      throw err
    }
  } finally {
    setCurrentInstance(preVm)
  }
}