https://powerslides.com/wp-content/plugins/wp-postratings/js/wp-postratings.js?ver=2.0.0

1/**
2 * WP-PostRatings front end: posts the vote and swaps in the result.
3 *
4 * Hover and fill are CSS, so nothing here runs on mouse move. One delegated
5 * listener on document covers ratings added after load.
6 */
7( function() {
8	'use strict';
9
10	const l10n = window.wpPostRatingsL10n || {};
11
12	/** Posts currently mid-vote, so a second click cannot double-submit. */
13	const inFlight = new Set();
14
15	/**
16	 * Post a vote and replace the control with whatever comes back.
17	 *
18	 * @param {Element} control The fieldset or button group that was used.
19	 * @param {number}  rating  Value chosen.
20	 * @return {void}
21	 */
22	function vote( control, rating ) {
23		const postId = Number( control.dataset.postId );
24
25		if ( ! postId || ! rating ) {
26			return;
27		}
28
29		if ( inFlight.has( postId ) ) {
30			// eslint-disable-next-line no-alert -- Long-standing behaviour: warns rather than queueing a second vote.
31			window.alert( l10n.textWait );
32			return;
33		}
34
35		const container = document.getElementById( 'wp-postratings-' + postId );
36
37		if ( ! container ) {
38			return;
39		}
40
41		const nonce = container.dataset.nonce || container.getAttribute( 'data-nonce' );
42
43		inFlight.add( postId );
44
45		// aria-busy, not an opacity tween: it dims through CSS and tells
46		// assistive technology the region is updating.
47		container.setAttribute( 'aria-busy', 'true' );
48
49		const body = new URLSearchParams();
50
51		body.append( 'action', 'wp_postratings' );
52		body.append( 'pid', postId );
53		body.append( 'rate', rating );
54		body.append( 'wp_postratings_' + postId + '_nonce', nonce );
55
56		/**
57		 * Put the control back into a usable state.
58		 *
59		 * @param {string} [html] Replacement markup.
60		 */
61		function finish( html ) {
62			if ( 'string' === typeof html ) {
63				container.innerHTML = html;
64			}
65
66			container.removeAttribute( 'aria-busy' );
67			inFlight.delete( postId );
68		}
69
70		window
71			.fetch( l10n.ajaxUrl, {
72				method: 'POST',
73				credentials: 'same-origin',
74				headers: {
75					'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
76				},
77				body: body.toString(),
78			} )
79			.then( function( response ) {
80				return response.text();
81			} )
82			.then( finish )
83			.catch( function() {
84				finish();
85			} );
86	}
87
88	/**
89	 * Attach the delegated listeners.
90	 *
91	 * @return {void}
92	 */
93	function start() {
94		// "change" covers click and arrow-key alike, so the scale is keyboard
95		// usable with no extra handling.
96		document.addEventListener( 'change', function( event ) {
97			const input = event.target.closest( '.wp-postratings-scale input[type="radio"]' );
98
99			if ( ! input ) {
100				return;
101			}
102
103			const control = input.closest( '.wp-postratings-vote' );
104
105			if ( control ) {
106				vote( control, Number( input.value ) );
107			}
108		} );
109
110		// An up/down pair is two buttons, not a scale.
111		document.addEventListener( 'click', function( event ) {
112			const button = event.target.closest( '.wp-postratings-updown button' );
113
114			if ( ! button ) {
115				return;
116			}
117
118			event.preventDefault();
119
120			const control = button.closest( '.wp-postratings-vote' );
121
122			if ( control ) {
123				vote( control, Number( button.dataset.rating ) );
124			}
125		} );
126	}
127
128	if ( 'loading' === document.readyState ) {
129		document.addEventListener( 'DOMContentLoaded', start );
130	} else {
131		start();
132	}
133}() );