File size: 4,517 Bytes
6079f1a |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 |
script = """
// Generate a new session ID on every page load
let sessionId = Math.random().toString(36).substring(2);
// Handle page load
window.onload = function() {
autoResizeTextarea(); // Handle the initial state of the textarea
renderHomeText(); // Render the home text (markdown content)
};
// Function to handle sending a message
async function sendMessage() {
const messageElem = document.getElementById('message');
const sendButton = document.querySelector('.send-button');
const message = messageElem.value.trim();
// Return early if the message is empty
if (!message) return;
const output = document.getElementById('output');
// Disable textarea and button while processing
messageElem.disabled = true;
sendButton.disabled = true;
sendButton.classList.add('disabled'); // Visual indication
// Display user's message in the chat
const userMessage = document.createElement('p');
userMessage.classList.add('message', 'user');
userMessage.innerHTML = message.replace(/\\n/g, '<br>'); // Preserve line breaks
output.appendChild(userMessage);
// Clear the textarea and reset its height
messageElem.value = '';
autoResizeTextarea();
// Scroll to the bottom of the output
output.scrollTop = output.scrollHeight;
// Create a new div for the AI's response
let aiMessage = document.createElement('p');
aiMessage.classList.add('message', 'ai');
output.appendChild(aiMessage);
// Open a connection to stream the AI's response
const eventSource = new EventSource(`/stream?message=${encodeURIComponent(message)}&session_id=${encodeURIComponent(sessionId)}`);
let partialResponse = ''; // Accumulate streaming response
eventSource.onmessage = function(event) {
partialResponse += event.data;
// Convert markdown to HTML and sanitize it
const sanitizedHtml = DOMPurify.sanitize(marked.parse(partialResponse));
aiMessage.innerHTML = sanitizedHtml;
output.scrollTop = output.scrollHeight; // Scroll to the bottom
};
// Handle errors during the SSE connection
eventSource.onerror = function() {
console.error("Error occurred with SSE");
resetInputState(messageElem, sendButton); // Re-enable input on error
eventSource.close(); // Close the connection
};
eventSource.onopen = function() {
console.log("Connection to server opened.");
};
// Re-enable textarea and button after the AI finishes responding
eventSource.onclose = function() {
console.log("Connection to server closed.");
resetInputState(messageElem, sendButton); // Re-enable input after response
};
}
// Function to reset the input state (re-enable textarea and send button)
function resetInputState(messageElem, sendButton) {
messageElem.disabled = false;
sendButton.disabled = false;
sendButton.classList.remove('disabled');
messageElem.focus();
}
// Auto-resize the textarea as the user types and manage send button state
function autoResizeTextarea() {
const textarea = document.getElementById('message');
const sendButton = document.querySelector('.send-button');
textarea.style.height = 'auto'; // Reset height to auto
const maxHeight = 220;
let newHeight = textarea.scrollHeight;
if (newHeight > maxHeight) {
textarea.style.height = maxHeight + 'px';
textarea.style.overflowY = 'auto';
} else {
textarea.style.height = newHeight + 'px';
textarea.style.overflowY = 'hidden';
}
// Enable/disable the send button based on textarea content
sendButton.disabled = textarea.value.trim() === '';
sendButton.classList.toggle('disabled', !textarea.value.trim());
}
// Enable sending message on Enter key press (without shift)
function checkEnter(e) {
if (e.key === 'Enter' && !e.shiftKey) {
e.preventDefault();
sendMessage();
}
}
// Function to render home page text from Markdown (on page load)
function renderHomeText() {
const homeTextContainer = document.getElementById('home-text-container');
const markdownContent = homeTextContainer.getAttribute('data-home-text');
// Parse markdown and sanitize HTML
const sanitizedHtml = DOMPurify.sanitize(marked.parse(markdownContent));
homeTextContainer.innerHTML = sanitizedHtml;
}
""" |