export function createEventHandler(handler: (event: UIEvent) => void) { if (!handler) { return; } let shouldStopPropagation = true; return (e: UIEvent) => { const event = { ...e, preventDefault() { e.preventDefault(); }, isDefaultPrevented() { return e.defaultPrevented; }, stopPropagation() { console.error( "stopPropagation is now the default behavior for events. You can use continuePropagation() to revert this behavior." ); }, continuePropagation() { shouldStopPropagation = false; } }; handler(event); if (shouldStopPropagation) { e.stopPropagation(); } }; }