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import { children } from '../children/children';
/**
* Returns a child element that matches the specified tag or class name.
*
* @param parent - A parent element.
* @param selector - A selector to filter children.
*
* @return A matched child element if available, or otherwise `undefined`.
*/
export function child<E extends HTMLElement>( parent: HTMLElement, selector?: string ): E | undefined {
return selector ? children<E>( parent, selector )[ 0 ] : parent.firstElementChild as E;
}
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