https://californiacompetes.org/wp-content/plugins/Accessbility-main/assets/js/a11y.js?ver=1.2.4

1/*
2 * Accessibility Lite — frontend script (~3 KB, vanilla JS, no jQuery)
3 */
4(function () {
5	'use strict';
6
7	function init() {
8		var KEY = 'al-a11y';
9		var MIN = 100;
10		var MAX = 200;
11		var STEP = 10;
12
13		var opts = window.AlA11yOpts || {};
14
15		var skipLink = document.querySelector('.al-skip-link');
16		if (skipLink) {
17			var targetId = (skipLink.getAttribute('href') || '').replace('#', '');
18			if (targetId && !document.getElementById(targetId)) {
19				var fallback = document.querySelector('main, [role="main"], #main, #primary');
20				if (fallback) {
21					if (!fallback.id) {
22						fallback.id = 'al-content-fallback';
23					}
24					skipLink.setAttribute('href', '#' + fallback.id);
25				}
26			}
27			// On themes without wp_body_open, PHP falls back to printing at wp_footer —
28			// move it back to the first tab stop so accesskey="s" still skips past the whole page.
29			if (document.body.firstChild !== skipLink) {
30				document.body.insertBefore(skipLink, document.body.firstChild);
31			}
32		}
33
34		var toolbar = document.getElementById('al-toolbar');
35		if (!toolbar) {
36			return;
37		}
38
39		var body = document.body;
40		var toggleBtn = toolbar.querySelector('.al-toggle button');
41		var toggleSr = toggleBtn.querySelector('.al-sr');
42		var active = {};
43		var scale = MIN;
44		var schema = null;
45
46		function btn(action) {
47			return toolbar.querySelector('.al-items [data-action="' + action + '"]');
48		}
49
50		function setBtn(action, on) {
51			var b = btn(action);
52			if (b) {
53				b.classList.toggle('active', !!on);
54			}
55			if (on) {
56				active[action] = true;
57			} else {
58				delete active[action];
59			}
60		}
61
62		function setClass(action, on) {
63			body.classList.toggle('al-' + action, !!on);
64		}
65
66		function applyScale() {
67			var activeScale = scale > MIN;
68			body.classList.toggle('al-resize', activeScale);
69			body.style.setProperty('--al-scale', (scale / 100).toFixed(2));
70			setBtn('resize-plus', activeScale);
71		}
72
73		function setSchema(action) {
74			if (schema) {
75				setClass(schema, false);
76				setBtn(schema, false);
77			}
78			schema = action || null;
79			if (schema) {
80				setClass(schema, true);
81				setBtn(schema, true);
82			}
83		}
84
85		function toggle(action) {
86			var on = !active[action];
87			setClass(action, on);
88			setBtn(action, on);
89		}
90
91		function resize(dir) {
92			var next = scale + dir * STEP;
93			if (next < MIN || next > MAX) {
94				return;
95			}
96			scale = next;
97			applyScale();
98			save();
99		}
100
101		function reset() {
102			for (var a in active) {
103				if (Object.prototype.hasOwnProperty.call(active, a)) {
104					setClass(a, false);
105					setBtn(a, false);
106				}
107			}
108			active = {};
109			schema = null;
110			scale = MIN;
111			body.classList.remove('al-resize');
112			body.style.removeProperty('--al-scale');
113			clearSave();
114		}
115
116		function save() {
117			if (opts.save !== '1') {
118				return;
119			}
120			var hours = parseInt(opts.saveExp, 10) || 720;
121			try {
122				localStorage.setItem(KEY, JSON.stringify({
123					actions: active,
124					scale: scale,
125					schema: schema,
126					expires: Date.now() + hours * 36e5
127				}));
128			} catch (e) { /* storage unavailable */ }
129		}
130
131		function clearSave() {
132			try {
133				localStorage.removeItem(KEY);
134			} catch (e) { /* ignore */ }
135		}
136
137		function restore() {
138			if (opts.save !== '1') {
139				return;
140			}
141			var raw;
142			try {
143				raw = localStorage.getItem(KEY);
144			} catch (e) {
145				return;
146			}
147			if (!raw) {
148				return;
149			}
150			var d;
151			try {
152				d = JSON.parse(raw);
153			} catch (e) {
154				return;
155			}
156			if (!d || !d.expires || d.expires < Date.now()) {
157				clearSave();
158				return;
159			}
160			var a = d.actions || {};
161			scale = Math.min(MAX, Math.max(MIN, d.scale || MIN));
162			applyScale();
163			if (d.schema && a[d.schema]) {
164				setSchema(d.schema);
165			}
166			['links-underline', 'readable-font'].forEach(function (k) {
167				if (a[k]) {
168					toggle(k);
169				}
170			});
171		}
172
173		function openToolbar() {
174			toolbar.classList.add('al-open');
175			toggleBtn.setAttribute('aria-expanded', 'true');
176			if (toggleSr && opts.closeLabel) {
177				toggleSr.textContent = opts.closeLabel;
178			}
179		}
180
181		function closeToolbar() {
182			toolbar.classList.remove('al-open');
183			toggleBtn.setAttribute('aria-expanded', 'false');
184			if (toggleSr && opts.openLabel) {
185				toggleSr.textContent = opts.openLabel;
186			}
187		}
188
189		var SCHEMA_ACTIONS = ['grayscale', 'high-contrast', 'negative-contrast', 'light-bg'];
190
191		toolbar.addEventListener('click', function (e) {
192			var b = e.target.closest('[data-action]');
193			if (!b) {
194				return;
195			}
196			var action = b.getAttribute('data-action');
197

198			if (action === 'reset') {
199				reset();
200				return;
201			}
202			if (action === 'resize-plus') {
203				resize(1);
204				return;
205			}
206			if (action === 'resize-minus') {
207				resize(-1);
208				return;
209			}
210			if (SCHEMA_ACTIONS.indexOf(action) !== -1) {
211				setSchema(active[action] ? null : action);
212				save();
213				return;
214			}
215			toggle(action);
216			save();
217		});
218
219		toggleBtn.addEventListener('click', function () {
220			if (toolbar.classList.contains('al-open')) {
221				closeToolbar();
222			} else {
223				openToolbar();
224			}
225		});
226
227		/* Tab onto the toggle button opens the toolbar (same as the original) */
228		toggleBtn.addEventListener('keydown', function (e) {
229			if (e.key === 'Tab') {
230				openToolbar();
231			}
232		});
233
234		/* Escape closes the toolbar */
235		document.addEventListener('keydown', function (e) {
236			if (e.key === 'Escape' && toolbar.classList.contains('al-open')) {
237				closeToolbar();
238				toggleBtn.focus();
239			}
240		});
241
242		restore();
243	}
244
245	// If PHP fell back to printing the toolbar at wp_footer (see a11y-lite.php),
246	// this script can run before that markup exists in the DOM. Wait for the
247	// parser to finish instead of silently no-op'ing on a null #al-toolbar.
248	if (document.readyState === 'loading') {
249		document.addEventListener('DOMContentLoaded', init);
250	} else {
251		init();
252	}
253})();