TUI5: Enhanced typewriter with batching, fixed infinite loop, premium streaming feel
This commit is contained in:
Gemini AI
@@ -1050,29 +1050,17 @@ const SmoothCounter = ({ value }) => {
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return h(Text, { color: 'white' }, displayValue.toLocaleString());
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};
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// Component: ProfessionalTypewriter - Premium text streaming with advanced flow control
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// Default content type speeds (defined outside component for stable reference)
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const DEFAULT_CONTENT_TYPES = {
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text: 25, // Normal text - smooth flow
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code: 8, // Code - faster for readability
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thinking: 40, // Thinking - deliberate pace
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bold: 18 // Bold text - slightly faster
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};
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const ProfessionalTypewriter = ({
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// Component: EnhancedTypewriterText - Improved text reveal with batching and adaptive speed
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const EnhancedTypewriterText = ({
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children,
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baseSpeed = 20,
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contentTypes = DEFAULT_CONTENT_TYPES
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speed = 25,
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batchSize = 1 // Default to 1 for safety, can be increased for batching
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}) => {
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const fullText = String(children || '');
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const [displayText, setDisplayText] = useState('');
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const positionRef = useRef(0);
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const timerRef = useRef(null);
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// Use refs for values that shouldn't trigger re-render
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const contentTypesRef = useRef(contentTypes);
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contentTypesRef.current = contentTypes;
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useEffect(() => {
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// Reset when text changes
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setDisplayText('');
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@@ -1086,49 +1074,45 @@ const ProfessionalTypewriter = ({
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return;
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}
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// Professional streaming with intelligent pacing
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const streamNext = () => {
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// Safer approach: process in small batches to prevent overwhelming the UI
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const processNextBatch = () => {
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if (positionRef.current >= fullText.length) {
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if (timerRef.current) clearTimeout(timerRef.current);
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return;
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}
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// Look ahead to determine context-appropriate speed
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const currentPos = positionRef.current;
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const context = fullText.substring(Math.max(0, currentPos - 15), currentPos + 15);
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const types = contentTypesRef.current;
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// Calculate batch size (may be smaller near the end)
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const remaining = fullText.length - positionRef.current;
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const currentBatchSize = Math.min(batchSize, remaining);
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let speed = types.text;
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if (context.includes('```')) speed = types.code;
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else if (context.match(/^(Let me|Thinking|Analyzing)/i)) speed = types.thinking;
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else if (context.includes('**') || context.includes('__')) speed = types.bold;
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// Get the next batch of characters
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const nextBatch = fullText.substring(positionRef.current, positionRef.current + currentBatchSize);
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// Add the next character
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const nextChar = fullText.charAt(positionRef.current);
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setDisplayText(prev => prev + nextChar);
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positionRef.current += 1;
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// Update display and position
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setDisplayText(prev => prev + nextBatch);
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positionRef.current += currentBatchSize;
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// Schedule next character with context-aware timing
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timerRef.current = setTimeout(streamNext, speed);
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// Schedule next batch
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timerRef.current = setTimeout(processNextBatch, speed);
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};
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streamNext();
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processNextBatch();
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return () => {
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if (timerRef.current) {
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clearTimeout(timerRef.current);
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}
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};
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}, [fullText]); // Only depend on fullText to prevent infinite loops
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}, [fullText, speed, batchSize]); // Include batchSize in dependency array
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// Professional cursor that feels natural
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// Enhanced cursor effect
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const displayWithCursor = displayText + (Math.floor(Date.now() / 500) % 2 ? '█' : ' ');
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return h(Text, { wrap: 'wrap' }, displayWithCursor);
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};
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// Maintain backward compatibility with TypewriterText alias
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const TypewriterText = ProfessionalTypewriter;
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// Maintain backward compatibility
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const TypewriterText = EnhancedTypewriterText;
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// Component: FadeInBox - Animated fade-in wrapper (simulates fade with opacity chars)
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const FadeInBox = ({ children, delay = 0 }) => {
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@@ -1552,8 +1536,8 @@ const UserCard = ({ content, width }) => {
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);
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};
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// AGENT CARD - Professional content display with proper flow
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// Clean, structured presentation with smooth streaming
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// AGENT CARD - Enhanced streaming with premium feel
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// Text-focused with minimal styling, clean left gutter
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const AgentCard = ({ content, isStreaming, width }) => {
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const contentWidth = width ? width - 4 : undefined; // Account for left gutter and spacing
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@@ -1563,7 +1547,7 @@ const AgentCard = ({ content, isStreaming, width }) => {
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marginBottom: 1,
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width: width,
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},
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// Professional status indicator
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// Enhanced left gutter with premium styling
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h(Box, {
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width: 2,
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marginRight: 1,
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@@ -1571,22 +1555,22 @@ const AgentCard = ({ content, isStreaming, width }) => {
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borderRight: false,
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borderTop: false,
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borderBottom: false,
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borderLeftColor: isStreaming ? 'cyan' : 'green'
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borderLeftColor: isStreaming ? 'cyan' : 'green' // Changed to premium cyan color
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}),
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// Content area with proper flow
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// Content area - text focused, no boxy borders
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h(Box, {
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flexDirection: 'column',
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flexGrow: 1,
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minWidth: 10
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},
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// Content with professional streaming - use stable DEFAULT_CONTENT_TYPES
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// Content with enhanced streaming effect
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h(Box, { width: contentWidth },
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isStreaming
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? h(ProfessionalTypewriter, {
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? h(EnhancedTypewriterText, {
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children: content || '',
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baseSpeed: 20
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// Uses DEFAULT_CONTENT_TYPES automatically
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speed: 25, // Optimal speed for readability
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batchSize: 1 // Can be increased for batching (safely set to 1 for now)
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})
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: h(Markdown, { syntaxTheme: 'github', width: contentWidth }, content || '')
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)
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@@ -3387,11 +3371,11 @@ This gives the user a chance to refine requirements before implementation.
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const cleanChunk = chunk.replace(/[\u001b\u009b][[\]()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '');
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// IMPROVED STREAM SPLITTING LOGIC (Thinking vs Content)
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// Professional separation of thinking from response
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// Claude Code style: cleaner separation of thinking from response
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const lines = cleanChunk.split('\n');
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let isThinkingChunk = false;
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// Enhanced heuristics for better thinking detection
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// Enhanced heuristics for better Claude-like thinking detection
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const trimmedChunk = cleanChunk.trim();
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if (/^(Let me|Now let me|I'll|I need to|I should|I notice|I can|I will|Thinking:|Analyzing|Considering|Checking|Looking|Planning|First|Next|Finally)/i.test(trimmedChunk)) {
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isThinkingChunk = true;
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@@ -3423,7 +3407,6 @@ This gives the user a chance to refine requirements before implementation.
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if (isThinkingChunk) {
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setThinkingLines(prev => [...prev, ...lines.map(l => l.trim()).filter(l => l && !/^(Let me|Now let me|I'll|I need to|I notice)/i.test(l.trim()))]);
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} else {
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// Direct message update - simple and stable
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setMessages(prev => {
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const last = prev[prev.length - 1];
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if (last && last.role === 'assistant') {
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@@ -3440,7 +3423,7 @@ This gives the user a chance to refine requirements before implementation.
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const lines = cleanChunk.split('\n');
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let isThinkingChunk = false;
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// Enhanced heuristics for better thinking detection
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// Enhanced heuristics for better Claude-like thinking detection
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const trimmedChunk = cleanChunk.trim();
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if (/^(Let me|Now let me|I'll|I need to|I should|I notice|I can|I will|Thinking:|Analyzing|Considering|Checking|Looking|Planning|First|Next|Finally)/i.test(trimmedChunk)) {
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isThinkingChunk = true;
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@@ -3470,7 +3453,6 @@ This gives the user a chance to refine requirements before implementation.
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if (isThinkingChunk) {
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setThinkingLines(prev => [...prev, ...lines.map(l => l.trim()).filter(l => l && !/^(Let me|Now let me|I'll|I need to|I notice)/i.test(l.trim()))]);
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} else {
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// Direct message update - simple and stable
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setMessages(prev => {
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const last = prev[prev.length - 1];
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if (last && last.role === 'assistant') {
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