https://www.casavittoria-napoli.it/wp-includes/js/wp-tooltip.js?ver=7.1

1/**
2 * @output wp-admin/js/wp-tooltip.js
3 */
4
5/**
6 * Add focus and hover support for the 'tooltip' type in `wp_tooltip()`.
7 * This script can be made obsolete when support is available for Interest Invokers.
8 */
9(() => {
10
11	const popovers = /** @type {NodeListOf<HTMLSpanElement>} */ ( document.querySelectorAll( '.wp-is-tooltip' ) );
12
13	/** @type {ReturnType<typeof setTimeout>} */
14	let openTimeout;
15
16	popovers.forEach( function( popover ) {
17		const trigger = /** @type {HTMLButtonElement|HTMLAnchorElement|null} */ ( popover.querySelector( '.wp-tooltip__toggle' ) );
18		const panel   = /** @type {HTMLSpanElement|null} */ ( popover.querySelector( 'span.wp-tooltip__bubble' ) );
19
20		if ( ! trigger || ! panel ) {
21			return;
22		}
23
24		// Show Tooltip Function (with delay to prevent flickering).
25		const showTooltip = () => {
26			clearTimeout( openTimeout );
27			openTimeout = setTimeout( () => {
28				// Only show if it's not already open.
29				if ( ! panel.matches( ':popover-open' ) ) {
30					// pass the triggering element so implicit position anchors work.
31					panel.showPopover( { source: trigger } );
32				}
33			}, 300 );
34		};
35		// Hide Tooltip Function.
36		const hideTooltip = () => {
37			clearTimeout( openTimeout );
38			if ( panel.matches( ':popover-open' ) ) {
39				panel.hidePopover();
40			}
41		};
42
43		// Bind Hover and Focus Events.
44		trigger.addEventListener( 'mouseenter', showTooltip );
45		trigger.addEventListener( 'focus', showTooltip );
46
47		trigger.addEventListener( 'mouseleave', hideTooltip );
48		trigger.addEventListener( 'blur', hideTooltip );
49	});
50})();