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// utils.js
// Set marked options (for syntax highlighting)
marked.setOptions({
highlight: function (code, lang) {
if (lang && hljs.getLanguage(lang)) {
return hljs.highlight(code, { language: lang }).value;
}
return hljs.highlightAuto(code).value;
},
});
/**
* Format an ISO timestamp to a friendly date + time string.
*/
export function formatTimestamp(isoString) {
const date = new Date(isoString);
return date.toLocaleString([], {
year: 'numeric',
month: 'short',
day: 'numeric',
hour: '2-digit',
minute: '2-digit',
});
}
/**
* Updates the last message in the current session.
* If isStreaming is true, a blinking cursor is appended.
*/
export function updateLastMessage(session, content, isStreaming = false) {
// Update the last message in the specified session.
session.messages[session.messages.length - 1].aiResponse =
isStreaming ? content + `<span class="blinking-cursor"></span>` : content;
renderCurrentSession();
// Wait until the DOM updates, then re-highlight code blocks and adjust scroll.
requestAnimationFrame(() => {
document.querySelectorAll('pre code').forEach((block) => {
hljs.highlightElement(block);
});
const lastCard = document.querySelector('.card:last-child');
if (lastCard) {
lastCard.scrollTop = isStreaming ? lastCard.scrollHeight : lastCard.scrollTop;
}
});
}
/**
* Auto-resize a textarea based on its content.
*/
export function autoResizeTextarea(textarea) {
textarea.style.height = 'auto';
textarea.style.height = textarea.scrollHeight + 'px';
}
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