222 lines
5.8 KiB
HTML
222 lines
5.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Local RAG Chat</title>
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<style>
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* { box-sizing: border-box; }
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body {
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font-family: "SF Mono", "Consolas", "Monaco", monospace;
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margin: 0;
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min-height: 100vh;
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background: #0f0f12;
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color: #e4e4e7;
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display: flex;
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flex-direction: column;
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}
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header {
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padding: 1rem 1.5rem;
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border-bottom: 1px solid #27272a;
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background: #18181b;
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}
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header h1 {
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margin: 0;
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font-size: 1rem;
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font-weight: 600;
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letter-spacing: 0.02em;
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}
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header p {
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margin: 0.25rem 0 0;
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font-size: 0.75rem;
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color: #71717a;
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}
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#messages {
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flex: 1;
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overflow-y: auto;
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padding: 1.5rem;
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display: flex;
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flex-direction: column;
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gap: 1rem;
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}
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.msg {
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max-width: 85%;
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padding: 0.75rem 1rem;
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border-radius: 8px;
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font-size: 0.9rem;
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line-height: 1.5;
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white-space: pre-wrap;
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word-break: break-word;
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}
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.msg.user {
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align-self: flex-end;
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background: #3f3f46;
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color: #fafafa;
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}
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.msg.assistant {
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align-self: flex-start;
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background: #27272a;
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border: 1px solid #3f3f46;
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}
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.msg.error {
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background: #451a1a;
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border: 1px solid #7f1d1d;
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color: #fecaca;
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}
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.msg .label {
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font-size: 0.7rem;
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text-transform: uppercase;
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letter-spacing: 0.05em;
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color: #71717a;
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margin-bottom: 0.5rem;
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display: block;
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}
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#input-area {
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padding: 1rem 1.5rem 1.5rem;
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border-top: 1px solid #27272a;
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background: #18181b;
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}
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#input-row {
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display: flex;
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gap: 0.5rem;
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align-items: flex-end;
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}
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#input {
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flex: 1;
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min-height: 44px;
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max-height: 160px;
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padding: 0.6rem 1rem;
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font: inherit;
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font-size: 0.9rem;
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color: #e4e4e7;
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background: #27272a;
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border: 1px solid #3f3f46;
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border-radius: 8px;
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resize: none;
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outline: none;
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}
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#input::placeholder { color: #71717a; }
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#input:focus { border-color: #52525b; }
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#send {
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padding: 0.6rem 1.2rem;
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font: inherit;
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font-size: 0.85rem;
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font-weight: 500;
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color: #0f0f12;
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background: #e4e4e7;
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border: none;
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border-radius: 8px;
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cursor: pointer;
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}
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#send:hover { background: #fafafa; }
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#send:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.loading {
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align-self: flex-start;
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padding: 0.5rem 1rem;
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font-size: 0.8rem;
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color: #71717a;
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}
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</style>
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</head>
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<body>
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<header>
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<h1>Local RAG Chat</h1>
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<p>Ask questions about your documents. Answers are generated from the vector store + Ollama.</p>
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</header>
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<div id="messages"></div>
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<div id="input-area">
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<div id="input-row">
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<textarea id="input" rows="1" placeholder="Ask a question…" autofocus></textarea>
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<button type="button" id="send">Send</button>
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</div>
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</div>
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<script>
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const messagesEl = document.getElementById('messages');
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const inputEl = document.getElementById('input');
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const sendBtn = document.getElementById('send');
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const chatHistory = [];
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function appendMessage(role, text, isError = false) {
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const div = document.createElement('div');
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div.className = 'msg ' + (isError ? 'error' : role);
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const label = role === 'user' ? 'You' : 'RAG';
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div.innerHTML = '<span class="label">' + label + '</span>' + escapeHtml(text);
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messagesEl.appendChild(div);
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messagesEl.scrollTop = messagesEl.scrollHeight;
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chatHistory.push({ role: role, content: text });
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}
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function escapeHtml(s) {
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const div = document.createElement('div');
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div.textContent = s;
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return div.innerHTML;
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}
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function setLoading(show) {
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if (show) {
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const el = document.createElement('div');
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el.className = 'loading';
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el.id = 'loading-dot';
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el.textContent = 'Thinking…';
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messagesEl.appendChild(el);
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messagesEl.scrollTop = messagesEl.scrollHeight;
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} else {
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const el = document.getElementById('loading-dot');
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if (el) el.remove();
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}
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sendBtn.disabled = show;
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}
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async function send() {
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const text = inputEl.value.trim();
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if (!text) return;
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inputEl.value = '';
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appendMessage('user', text);
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setLoading(true);
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try {
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const history = chatHistory.slice(0, -1);
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const res = await fetch('/api/chat', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ message: text, history: history })
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});
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const data = await res.json();
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setLoading(false);
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if (data.retrieved && data.retrieved.length > 0) {
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console.groupCollapsed('[RAG] Retrieved ' + data.retrieved.length + ' chunk(s)');
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data.retrieved.forEach(function(chunk, i) {
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console.group('Chunk ' + (i + 1) + ' | ' + (chunk.source || '') + (chunk.page != null ? ' p.' + chunk.page : ''));
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console.log(chunk.content);
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console.groupEnd();
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});
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console.groupEnd();
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}
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if (data.error) {
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appendMessage('assistant', data.error, true);
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} else {
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appendMessage('assistant', (data.answer || '(No response)').trim());
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}
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} catch (err) {
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setLoading(false);
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appendMessage('assistant', 'Request failed: ' + err.message, true);
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}
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}
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sendBtn.addEventListener('click', send);
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inputEl.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault();
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send();
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}
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});
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</script>
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</body>
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</html>
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