File "emitter-callback.ts"

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/**
 * Internal dependencies
 */
import { actions } from './reducer';
import type { ActionType, ActionCallbackType } from './types';

export const emitterCallback = (
	type: string,
	observerDispatch: React.Dispatch< ActionType >
) => ( callback: ActionCallbackType, priority = 10 ): ( () => void ) => {
	const action = actions.addEventCallback( type, callback, priority );
	observerDispatch( action );
	return () => {
		observerDispatch( actions.removeEventCallback( type, action.id ) );
	};
};