Function StreamMessageComponent

src/components/StreamMessage.tsx:54–737

({ message, className, streamMessages, onLinkDetected })

 * Component to render a single Claude Code stream message
 */
const StreamMessageComponent: React.FC<StreamMessageProps> = ({ message, className, streamMessages, onLinkDetected }) => {
  // State to track tool results mapped by tool call ID
  const [toolResults, setToolResults] = useState<Map<string, any>>(new Map());
  
  // Get current theme
  const { theme } = useTheme();
  const syntaxTheme = getClaudeSyntaxTheme(theme);
  
  // Extract all tool results from stream messages
  useEffect(() => {
    const results = new Map<string, any>();
    
    // Iterate through all messages to find tool results
    streamMessages.forEach(msg => {
      if (msg.type === "user" && msg.message?.content && Array.isArray(msg.message.content)) {
        msg.message.content.forEach((content: any) => {
          if (content.type === "tool_result" && content.tool_use_id) {
            results.set(content.tool_use_id, content);
          }
        });
      }
    });
    
    setToolResults(results);
  }, [streamMessages]);
  
  // Helper to get tool result for a specific tool call ID
  const getToolResult = (toolId: string | undefined): any => {
    if (!toolId) return null;
    return toolResults.get(toolId) || null;
  };
  
  try {
    // Skip rendering for meta messages that don't have meaningful content
    if (message.isMeta && !message.leafUuid && !message.summary) {
      return null;
    }

    // Handle summary messages
    if (message.leafUuid && message.summary && (message as any).type === "summary") {
      return <SummaryWidget summary={message.summary} leafUuid={message.leafUuid} />;
    }

    // System initialization message
    if (message.type === "system" && message.subtype === "init") {
      return (
        <SystemInitializedWidget
          sessionId={message.session_id}
          model={message.model}
          cwd={message.cwd}
          tools={message.tools}
        />
      );
    }

    // Assistant message
    if (message.type === "assistant" && message.message) {
      const msg = message.message;