/*!
  memorio
  Copyright (c) 2025 Dario Passariello <dariopassariello@gmail.com>
  Licensed under MIT License, see
  https://dario.passariello.ca
 */

/**
* useObserver run a callback anytime the associated state going to change.
* Returns a destructor function to remove the listener.
*/
interface _useObserver {

  /**
  * Generate your useObserver
  *
  * @example
  * const cleanup = useObserver(() => console.debug("Changed"), "state.test")
  * cleanup() // Stop observing
  *
  * @example
  * useObserver(() => console.debug("Multiple changed"), [() => state.a, "state.b"])
  *
  * @since memorio 1.0.6
  * @updated 2.5.0 - Added support for arrays and destructor
  */
  (func: Function, deps: any): () => void

}

declare var useObserver: _useObserver
type useObserver = _useObserver

// Extend globalThis to include useObserver
declare global {
  var useObserver: _useObserver
}