Function parseContent

src/components/ToolWidgets.tsx:451–500

(rawContent: string)

  // Parse content to separate line numbers from code
  const parseContent = (rawContent: string) => {
    const lines = rawContent.split('\n');
    const codeLines: string[] = [];
    let minLineNumber = Infinity;

    // First, determine if the content is likely a numbered list from the 'read' tool.
    // It is if more than half the non-empty lines match the expected format.
    const nonEmptyLines = lines.filter(line => line.trim() !== '');
    if (nonEmptyLines.length === 0) {
      return { codeContent: rawContent, startLineNumber: 1 };
    }
    const parsableLines = nonEmptyLines.filter(line => /^\s*\d+→/.test(line)).length;
    const isLikelyNumbered = (parsableLines / nonEmptyLines.length) > 0.5;

    if (!isLikelyNumbered) {
      return { codeContent: rawContent, startLineNumber: 1 };
    }
    
    // If it's a numbered list, parse it strictly.
    for (const line of lines) {
      // Remove leading whitespace before parsing
      const trimmedLine = line.trimStart();
      const match = trimmedLine.match(/^(\d+)→(.*)$/);
      if (match) {
        const lineNum = parseInt(match[1], 10);
        if (minLineNumber === Infinity) {
          minLineNumber = lineNum;
        }
        // Preserve the code content exactly as it appears after the arrow
        codeLines.push(match[2]);
      } else if (line.trim() === '') {
        // Preserve empty lines
        codeLines.push('');
      } else {
        // If a line in a numbered block does not match, it's a formatting anomaly.
        // Render it as a blank line to avoid showing the raw, un-parsed string.
        codeLines.push('');
      }
    }
    
    // Remove trailing empty lines
    while (codeLines.length > 0 && codeLines[codeLines.length - 1] === '') {
      codeLines.pop();
    }
    
    return {
      codeContent: codeLines.join('\n'),
      startLineNumber: minLineNumber === Infinity ? 1 : minLineNumber
    };
  };

  const language = getLanguage(filePath);
  const { codeContent, startLineNumber } = parseContent(content);