document.addEventListener('DOMContentLoaded', function () {
// FIX 1: H2 heading — make descriptive for screen readers
var heading = document.getElementById('s-lch-welcome');
if (heading) {
heading.textContent = 'Library Live Chat — 24/7 Chat';
}
// FIX 2: Asterisk — replace * with (required)
document.querySelectorAll('label.form-label').forEach(function (label) {
if (label.textContent.includes('*')) {
// Remove bare * from text nodes
label.childNodes.forEach(function (node) {
if (node.nodeType === Node.TEXT_NODE && node.textContent.includes('*')) {
node.textContent = node.textContent.replace('*', '');
}
});
// Hide * if it's wrapped in a span/abbr
label.querySelectorAll('span, abbr').forEach(function (el) {
if (el.textContent.trim() === '*') {
el.setAttribute('aria-hidden', 'true');
el.style.display = 'none';
}
});
// Append visible (required) text
var req = document.createElement('span');
req.textContent = ' (required)';
label.appendChild(req);
}
});
// FIX 3: NVDA double-announcement — remove redundant title
var topBarControls = [
'#s-lch-sound',
'#s-lch-close',
'[title="Sound on"]',
'[title="Sound off"]',
'[title="Close chat"]',
'.lch-header button',
'.lch-header a'
];
topBarControls.forEach(function (sel) {
document.querySelectorAll(sel).forEach(function (el) {
el.removeAttribute('title');
});
});
// FIX 4: NVDA double-announcement during active chat —
var observer = new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
mutation.addedNodes.forEach(function (node) {
if (node.nodeType === 1) {
// Strip title from the new node itself
if (node.hasAttribute && node.hasAttribute('title')) {
var tag = node.tagName.toLowerCase();
if (tag === 'button' || tag === 'a') {
node.removeAttribute('title');
}
}
// Strip title from any children
node.querySelectorAll && node.querySelectorAll('button[title], a[title]')
.forEach(function (el) {
el.removeAttribute('title');
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
});
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