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@mimansajaiswal
Last active January 23, 2025 22:21
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Creating a tiny web app that formats md exports from github copilot, chat gpt and claude to the markdown format I want

Note

mimansajaiswal: write me a small app that takes in text like this:

"mimansajaiswal: write notation-fold.ts similar to notion-highlight.ts where if a region is marked to be collapsed, it allows you to collapse it and expand it similar to code folding in ides. this is how it works with multiple lines in code highlight: Use [!code highlight] to highlight a line. ts console.log('Not highlighted') console.log('Highlighted') // [!code highlight] console.log('Not highlighted') Renders (with custom CSS rules): console.log('Not highlighted') console.log('Highlighted') console.log('Not highlighted') // [!code highlight] outputs: The outer

 tag is modified: 
 You can also highlight multiple lines with a single comment: ts // [!code highlight:3] console.log('Highlighted') console.log('Highlighted') console.log('Not highlighted') Renders: console.log('Highlighted') console.log('Highlighted') console.log('Not highlighted')"

and adds > [!NOTE] on top and then adds >{space} to every line. it should preserve new lines.

Claude: --- Text Processing Script:

interface TextProcessor {
  process(text: string): string;
}

class NoteFoldProcessor implements TextProcessor {
  process(text: string): string {
    // Split the text into lines while preserving empty lines
    const lines = text.split(/\r?\n/);
    
    // Add the note header as the first line
    const processedLines = ['> [!NOTE]'];
    
    // Process each line
    lines.forEach((line, index) => {
      // Skip empty lines at the start
      if (index === 0 && line.trim() === '') {
        return;
      }
      
      // For empty lines, just add a '>' to preserve spacing
      if (line.trim() === '') {
        processedLines.push('>');
      } else {
        // Add '> ' prefix to non-empty lines
        processedLines.push(`> ${line}`);
      }
    });
    
    // Join the lines back together with newlines
    return processedLines.join('\n');
  }
}

// Example usage:
const processor = new NoteFoldProcessor();
const inputText = `mimansajaiswal: write notation-fold.ts similar to notion-highlight.ts where if a region is marked to be collapsed, it allows you to collapse it and expand it similar to code folding in ides.

this is how it works with multiple lines in code highlight:

Use [!code highlight] to highlight a line.

\`\`\`ts
console.log('Not highlighted')
console.log('Highlighted') // [!code highlight]
console.log('Not highlighted')
\`\`\``;

console.log(processor.process(inputText));

I've created a TypeScript script that processes text according to your requirements. Here's what it does:

  1. Takes any input text
  2. Adds '> [!NOTE]' at the top
  3. Adds '> ' to every line
  4. Preserves all newlines and spacing
  5. Handles empty lines by adding just '>' to maintain spacing

To use it, you can:

  1. Create a new instance of the processor
  2. Pass your text to the process() method
  3. Get back the formatted text

The code uses TypeScript interfaces and classes for better maintainability and type safety. Would you like me to modify anything about how it processes the text?

Note

mimansajaiswal: no but can you make it as a webapp that i can run here?

Claude: I'll create a simple React web app with a text input and output display.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');

 const processText = (text: string): string => {
    const lines = text.split(/\r?\n/);
    const processedLines = ['> [!NOTE]'];
    
    lines.forEach((line, index) => {
      if (index === 0 && line.trim() === '') {
        return;
      }
      
      if (line.trim() === '') {
        processedLines.push('>');
      } else {
        processedLines.push(`> ${line}`);
      }
    });
    
    return processedLines.join('\n');
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = async () => {
    try {
      await navigator.clipboard.writeText(output);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  <Clipboard className="w-4 h-4" />
                  Copy
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've created a web app that:

  1. Has a large text input area where you can paste your text
  2. Includes a "Process Text" button to transform the text
  3. Shows the processed output in a pre-formatted area
  4. Has a copy button to easily copy the processed text to your clipboard
  5. Uses shadcn/ui components for a clean, modern look
  6. Preserves all formatting and newlines
  7. Is responsive and works well on all screen sizes

You can:

  1. Paste your text in the input area
  2. Click "Process Text"
  3. See the result in the output area
  4. Copy the result with the copy button

Would you like me to modify anything about the interface or processing logic?

Note

mimansajaiswal: the copy button doesn't seem to work, the output is correct

Claude: Let me fix the copy button functionality. The issue might be related to how we're handling the clipboard API.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);

 const processText = (text: string): string => {
    const lines = text.split(/\r?\n/);
    const processedLines = ['> [!NOTE]'];
    
    lines.forEach((line, index) => {
      if (index === 0 && line.trim() === '') {
        return;
      }
      
      if (line.trim() === '') {
        processedLines.push('>');
      } else {
        processedLines.push(`> ${line}`);
      }
    });
    
    return processedLines.join('\n');
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000); // Reset after 2 seconds
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've made several improvements to the copy functionality:

  1. Switched to using document.execCommand('copy') which has better browser compatibility
  2. Added a visual feedback when copying is successful (the button changes to a checkmark and "Copied!")
  3. The copied state resets after 2 seconds
  4. Used a temporary textarea element to handle the copying, which is more reliable for preserving formatting

The copy button should now work reliably across different browsers. Let me know if you'd like any other adjustments to the functionality!

Note

mimansajaiswal: now here is the thing, say i paste something like this:

mimansajaiswal: now it is not processed at all -- look at basic.js.output.html

this is the output of basic.js see how no class is added.

GitHub Copilot: Ah, I see the issue - the regex pattern in file.ts isn't matching correctly. Let's fix that:

file.ts

The issue is with the regex pattern - 'fold:\\d+' is too strict. We need to allow the colon pattern similar to other notations:

i want it to this text processing wherever it finds a text i have defined, in this case "mimansajaiswal" uptil the line that has "GitHub Copilot: "

Claude: I'll modify the text processor to handle the specific case of extracting text between "mimansajaiswal:" and "GitHub Copilot:".


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);

 const processText = (text: string): string => {
    // Find the start and end indices
    const startMarker = "mimansajaiswal:";
    const endMarker = "GitHub Copilot:";
    
    const startIndex = text.indexOf(startMarker);
    const endIndex = text.indexOf(endMarker);
    
    if (startIndex === -1 || endIndex === -1) {
      return "Could not find the required markers in the text.";
    }
    
    // Extract the text between markers
    const relevantText = text.substring(
      startIndex + startMarker.length, 
      endIndex
    ).trim();
    
    // Process the extracted text
    const lines = relevantText.split(/\r?\n/);
    const processedLines = ['> [!NOTE]'];
    
    lines.forEach((line) => {
      if (line.trim() === '') {
        processedLines.push('>');
      } else {
        processedLines.push(`> ${line}`);
      }
    });
    
    return processedLines.join('\n');
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've updated the processor to:

  1. Look for text between "mimansajaiswal:" and "GitHub Copilot:"
  2. Extract only that portion of the text
  3. Process it with the note formatting (adding "> [!NOTE]" and "> " to each line)
  4. Show an error message if the markers aren't found

Now when you paste your text, it will:

  1. Find the section starting with "mimansajaiswal:"
  2. Extract everything until it sees "GitHub Copilot:"
  3. Format just that extracted portion with the note syntax

Try it out and let me know if you'd like any adjustments to how it processes the text!

Note

mimansajaiswal: there can be multiple such sections btw

Claude: Ah, I'll modify the processor to handle multiple sections!


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);

 const processText = (text: string): string => {
    const startMarker = "mimansajaiswal:";
    const endMarker = "GitHub Copilot:";
    let currentIndex = 0;
    const segments = [];
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) break;
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) break;
      
      // Extract the text between markers
      const relevantText = text.substring(
        startIndex + startMarker.length, 
        endIndex
      ).trim();
      
      // Process this segment
      const lines = relevantText.split(/\r?\n/);
      const processedLines = ['> [!NOTE]'];
      
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          processedLines.push(`> ${line}`);
        }
      });
      
      segments.push(processedLines.join('\n'));
      
      // Move to position after this end marker
      currentIndex = endIndex + endMarker.length;
    }
    
    if (segments.length === 0) {
      return "Could not find any sections with the required markers in the text.";
    }
    
    // Join all processed segments with double newlines between them
    return segments.join('\n\n');
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've updated the processor to:

  1. Find all sections between "mimansajaiswal:" and "GitHub Copilot:"
  2. Process each section independently
  3. Join all processed sections with double newlines between them
  4. Handle cases where there are no sections found

The processor now:

  1. Starts looking for the first pair of markers
  2. Processes that section
  3. Continues looking for more sections from where it left off
  4. Repeats until it can't find any more sections
  5. Combines all the processed sections together

Try pasting text with multiple sections and let me know if you'd like any adjustments to how it handles them!

Note

mimansajaiswal: why did we remove mimansajaiswal:? i want to keep that. make these 3 changes: 1. add a text area to define the two boundaries (so that it can accept new lines) 2. do not remove non-matching content, just keep it as is without processing 3. do not remove matched content

Claude: I'll modify the app to keep all content and add input fields for the boundaries.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mimansajaiswal:');
  const [endMarker, setEndMarker] = useState('GitHub Copilot:');

 const processText = (text: string): string => {
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      const lines = sectionToProcess.split(/\r?\n/);
      
      // Process the lines
      const processedLines = ['> [!NOTE]'];
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          processedLines.push(`> ${line}`);
        }
      });
      
      // Add the processed section
      result += processedLines.join('\n');
      
      // Move to position after this end marker
      currentIndex = endIndex;
    }
    
    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={startMarker}
                onChange={(e) => setStartMarker(e.target.value)}
                className="w-full h-20 p-2 border rounded-md"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={endMarker}
                onChange={(e) => setEndMarker(e.target.value)}
                className="w-full h-20 p-2 border rounded-md"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've made all the requested changes:

  1. Added two text areas at the top to define the start and end markers, which support multi-line markers
  2. Modified the processing logic to:
    • Keep all non-matching content unchanged
    • Keep the original markers in the output
    • Only add the note formatting to the sections between markers
  3. The processed output now contains:
    • All original text
    • Original markers
    • Note formatting only for matched sections

The default markers are still set to "mimansajaiswal:" and "GitHub Copilot:", but you can change them in the text areas at the top.

Try it out and let me know if you'd like any adjustments to how it works!

Note

mimansajaiswal: pretty good, the last thing, i want to match newline+GitHub Copilot:

so that i do not end up with > on the new line just before github copilot. why is the end marker not taking the new line into consideration in text area?

Copy

> [!NOTE] 
> mimansajaiswal: and then based off the test suite, add test cases in a new folder maybe for this functionality with appropriate css and stuff 
> 
GitHub Copilot: I'll help create test cases for the fold functionality following the same pattern as the other test suites. Here's what we need to add:

Claude: Ah, I see the issue. We need to handle the newline character properly in both the text area and the processing logic.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mimansajaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

 const processText = (text: string): string => {
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      const lines = sectionToProcess.split(/\r?\n/);
      
      // Process the lines
      const processedLines = ['> [!NOTE]'];
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          processedLines.push(`> ${line}`);
        }
      });
      
      // Add the processed section
      result += processedLines.join('\n');
      
      // Move to position after start of end marker (after the newline)
      currentIndex = endIndex + 1; // +1 to keep the newline character
    }
    
    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 // Helper function to display newlines in a readable way
  const displayMarker = (marker: string) => {
    return marker.replace(/\n/g, '\\n');
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={displayMarker(startMarker)}
                onChange={(e) => setStartMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={displayMarker(endMarker)}
                onChange={(e) => setEndMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've made several improvements:

  1. Set the default end marker to \nGitHub Copilot: to properly match newlines
  2. Added visual representation of newlines in the marker text areas using \n
  3. Added proper handling of newline characters in the processing logic
  4. Used a monospace font for the marker text areas to make special characters more visible
  5. Fixed the index handling to properly preserve newlines in the output
  6. Added helper functions to display and parse newline characters in the UI

Now when you process text, it should:

  • Properly handle the newline before "GitHub Copilot:"
  • Not add an extra ">" before the end marker
  • Show the newline characters clearly in the UI with \n

Try it out and let me know if you need any adjustments!

Note

mimansajaiswal: now it creates this weird : but what i wanted was to keep the new line and not add > to it

Copy

> console.log('Highlighted') 
> console.log('Not highlighted') 
>GitHub Copilot: I'll help you create a similar transformer for code folding. Here's how we'll implement it:

Claude: Ah, I understand now - you want to preserve the newline without adding the ">" prefix. Let me fix that.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mimansajaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

 const processText = (text: string): string => {
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      const lines = sectionToProcess.split(/\r?\n/);
      
      // Process the lines
      const processedLines = ['> [!NOTE]'];
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          processedLines.push(`> ${line}`);
        }
      });
      
      // Add the processed section without the last '>'
      result += processedLines.join('\n');
      
      // Add the end marker including its newline
      result += text.substring(endIndex, endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1);
      
      // Move to position after end marker's line
      currentIndex = endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1;
      if (text.substring(endIndex + endMarker.length).indexOf('\n') === -1) {
        // If there's no more newline, move to the end of text
        currentIndex = text.length;
      }
    }
    
    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 // Helper function to display newlines in a readable way
  const displayMarker = (marker: string) => {
    return marker.replace(/\n/g, '\\n');
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={displayMarker(startMarker)}
                onChange={(e) => setStartMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={displayMarker(endMarker)}
                onChange={(e) => setEndMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've updated the processor to:

  1. Preserve the entire end marker line without adding ">" prefix
  2. Keep the newline before "GitHub Copilot:" intact
  3. Handle the transition between processed and unprocessed text more cleanly

Now it should produce output exactly as you showed in your example, with the newline preserved and no ">" added to the GitHub Copilot line. Try it out and let me know if it's working as expected!

Note

mimansajaiswal: Hi, Claude! Let's explore some variations of this artifact. After you reproduce this artifact, can you suggest 3 ways we could remix it?

Content:

artifact:

<remix_instructions>The following is an artifact created from an earlier conversation. Please begin the conversation by reproducing the content in the appropriate artifact line by line without any change. Doing so will render the artifact in the UI and allows the user to interact with it. To maintain functionality and usefulness, any changes and remixes created in this conversation should maintain the full content each time without omission (e.g. Do not leave comments like "// Rest of the code here...").</remix_instructions>
<artifact>
<title>Text Processing Web App</title>
<type>application/vnd.ant.react</type>
undefined
<content>import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mjaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

 const processText = (text: string): string => {
    let result = '';
    let currentIndex = 0;

    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }

      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);

      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }

      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      const lines = sectionToProcess.split(/\r?\n/);

      // Process the lines
      const processedLines = ['> [!NOTE]'];
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          processedLines.push(`> ${line}`);
        }
      });

      // Add the processed section without the last '>'
      result += processedLines.join('\n');

      // Add the end marker including its newline
      result += text.substring(endIndex, endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1);

      // Move to position after end marker's line
      currentIndex = endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1;
      if (text.substring(endIndex + endMarker.length).indexOf('\n') === -1) {
        // If there's no more newline, move to the end of text
        currentIndex = text.length;
      }
    }

    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();

    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }

    document.body.removeChild(textArea);
  };

 // Helper function to display newlines in a readable way
  const displayMarker = (marker: string) => {
    return marker.replace(/\n/g, '\\n');
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={displayMarker(startMarker)}
                onChange={(e) => setStartMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={displayMarker(endMarker)}
                onChange={(e) => setEndMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>

          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>

          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>

          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;
</content>
</artifact>

Claude: I'll help you explore variations of this text processing web app. First, let me reproduce the artifact to make it available in our conversation.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mjaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

 const processText = (text: string): string => {
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      const lines = sectionToProcess.split(/\r?\n/);
      
      // Process the lines
      const processedLines = ['> [!NOTE]'];
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          processedLines.push(`> ${line}`);
        }
      });
      
      // Add the processed section without the last '>'
      result += processedLines.join('\n');
      
      // Add the end marker including its newline
      result += text.substring(endIndex, endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1);
      
      // Move to position after end marker's line
      currentIndex = endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1;
      if (text.substring(endIndex + endMarker.length).indexOf('\n') === -1) {
        // If there's no more newline, move to the end of text
        currentIndex = text.length;
      }
    }
    
    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 // Helper function to display newlines in a readable way
  const displayMarker = (marker: string) => {
    return marker.replace(/\n/g, '\\n');
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={displayMarker(startMarker)}
                onChange={(e) => setStartMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={displayMarker(endMarker)}
                onChange={(e) => setEndMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

Here are three interesting ways we could remix this text processor:

  1. Preset Templates System: Add a dropdown menu of common text processing templates (like the current GitHub marker system, but also add others like "Convert to Markdown Table", "Format as JSON", etc.). Each template would have its own processing logic and output format. We could store these as an array of objects with their own processing functions.
  2. Multi-Step Processing Pipeline: Instead of just one processing step, allow users to chain multiple transformations together. For example: first add markers, then wrap in code blocks, then add line numbers. We could use a drag-and-drop interface to arrange the processing steps and preview the result after each step.
  3. Real-time Preview Mode: Add a split-screen view where the right side shows a live preview of how the processed text will look as you type in the input field. This would make it easier to adjust the markers and see the results immediately. We could also add syntax highlighting for the output format.

Would you like me to implement any of these variations? I can show you how to modify the code to add any of these features while maintaining the existing functionality.

Note

mimansajaiswal: when you are cleaning it -- any line that is like this: ### [preferences.xhtml](file:///Users/mimansajaiswal/Documents/Coding/My%20Repos/zoplicate/addon/chrome/content/preferences.xhtml)

i want it to be changed to preferences.xhtml (bolded). so remove the link if the link starts with file:///, remove heading marker and replace by content in the square brackets bolded.

Claude: I'll modify the text processor to handle this specific transformation.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mjaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

 const processText = (text: string): string => {
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      // Split into lines and process each line
      const lines = sectionToProcess.split(/\r?\n/);
      
      // Process the lines
      const processedLines = ['> [!NOTE]'];
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          // Check if the line matches the file link pattern
          const filePattern = /^### \[(.*?)\]\(file:\/\/\/.*?\)$/;
          const match = line.match(filePattern);
          
          if (match) {
            // Extract the filename from square brackets and make it bold
            processedLines.push(`> **${match[1]}**`);
          } else {
            processedLines.push(`> ${line}`);
          }
        }
      });
      
      // Add the processed section without the last '>'
      result += processedLines.join('\n');
      
      // Add the end marker including its newline
      result += text.substring(endIndex, endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1);
      
      // Move to position after end marker's line
      currentIndex = endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1;
      if (text.substring(endIndex + endMarker.length).indexOf('\n') === -1) {
        // If there's no more newline, move to the end of text
        currentIndex = text.length;
      }
    }
    
    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 // Helper function to display newlines in a readable way
  const displayMarker = (marker: string) => {
    return marker.replace(/\n/g, '\\n');
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={displayMarker(startMarker)}
                onChange={(e) => setStartMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={displayMarker(endMarker)}
                onChange={(e) => setEndMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

I've modified the text processor to handle the file link transformation you requested. Here's what changed:

  1. Added a regular expression pattern to identify lines that match the format: **filename**
  2. When such a line is found, it extracts just the filename from within the square brackets
  3. Transforms the line to show the filename in bold: **filename**
  4. Maintains all other functionality including the note block formatting

For example, if your input contains:

**preferences.xhtml**

It will be transformed to:

> [!NOTE]
> **preferences.xhtml**

Would you like to test it out or should I make any adjustments to the transformation?

Note

mimansajaiswal: no, you need to do this conversion before running any other transformation because this can be present in any section. the conversion currently never happens

Claude: Ah, I see - you're right. We need to do the file link transformation as a pre-processing step before any other transformations occur. Let me fix that.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mjaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

 const transformFileLinks = (text: string): string => {
    // Replace all instances of file links with bold text
    return text.replace(
      /### \[(.*?)\]\(file:\/\/\/.*?\)/g,
      '**$1**'
    );
  };

 const processText = (text: string): string => {
    // First, transform all file links in the entire text
    text = transformFileLinks(text);
    
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      const lines = sectionToProcess.split(/\r?\n/);
      
      // Process the lines
      const processedLines = ['> [!NOTE]'];
      lines.forEach((line) => {
        if (line.trim() === '') {
          processedLines.push('>');
        } else {
          processedLines.push(`> ${line}`);
        }
      });
      
      // Add the processed section without the last '>'
      result += processedLines.join('\n');
      
      // Add the end marker including its newline
      result += text.substring(endIndex, endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1);
      
      // Move to position after end marker's line
      currentIndex = endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1;
      if (text.substring(endIndex + endMarker.length).indexOf('\n') === -1) {
        // If there's no more newline, move to the end of text
        currentIndex = text.length;
      }
    }
    
    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 // Helper function to display newlines in a readable way
  const displayMarker = (marker: string) => {
    return marker.replace(/\n/g, '\\n');
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={displayMarker(startMarker)}
                onChange={(e) => setStartMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={displayMarker(endMarker)}
                onChange={(e) => setEndMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

Key changes:

  1. Added a new transformFileLinks function that processes the entire text using a global regex replacement
  2. Applied this transformation at the very beginning of the processText function, before any other processing occurs
  3. The transformation will now happen on all text, regardless of whether it's inside or outside the marked sections

Now if you have text like:

Some text
**preferences.xhtml**
mjaiswal:
**another.xhtml**
More text
GitHub Copilot:
**third.xhtml**

It will properly transform all the file links to bold text before applying any other formatting. Would you like to test it with your actual content?

Note

mimansajaiswal: last thing, right now

mjaiswal: how does the hook based duplicate detection work before adding something?

GitHub Copilot: Based on the code shown, here's how the hook-based duplicate detection works:

is converted to:

[!NOTE] mjaiswal: how does the hook based duplicate detection work before adding something?

GitHub Copilot: Based on the code shown, here's how the hook-based duplicate detection works:

but i want where the new line before GitHub Copilot: is retained and that new line doesn't have quote mark on it, can you try to fix that? > [!NOTE] > mjaiswal: how does the hook based duplicate detection work before adding something?

GitHub Copilot: Based on the code shown, here's how the hook-based duplicate detection works:

Claude: I understand - you want to preserve empty lines without the quote mark. I'll modify the processor to handle this case.


Text Processing Web App:

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mjaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

 const transformFileLinks = (text: string): string => {
    // Replace all instances of file links with bold text
    return text.replace(
      /### \[(.*?)\]\(file:\/\/\/.*?\)/g,
      '**$1**'
    );
  };

 const processText = (text: string): string => {
    // First, transform all file links in the entire text
    text = transformFileLinks(text);
    
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const sectionToProcess = text.substring(startIndex, endIndex);
      const lines = sectionToProcess.split(/\r?\n/);
      
      // Process the lines
      const processedLines = ['> [!NOTE]'];
      
      for (let i = 0; i < lines.length; i++) {
        const line = lines[i];
        const isLastLine = i === lines.length - 1;
        
        if (line.trim() === '') {
          if (isLastLine) {
            // For the last empty line, don't add the quote
            processedLines.push('');
          } else {
            processedLines.push('>');
          }
        } else {
          processedLines.push(`> ${line}`);
        }
      }
      
      // Add the processed section
      result += processedLines.join('\n');
      
      // Add the end marker including its newline
      result += text.substring(endIndex, endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1);
      
      // Move to position after end marker's line
      currentIndex = endIndex + endMarker.length + text.substring(endIndex + endMarker.length).indexOf('\n') + 1;
      if (text.substring(endIndex + endMarker.length).indexOf('\n') === -1) {
        // If there's no more newline, move to the end of text
        currentIndex = text.length;
      }
    }
    
    return result;
  };

 const handleProcess = () => {
    setOutput(processText(input));
  };

 const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

 // Helper function to display newlines in a readable way
  const displayMarker = (marker: string) => {
    return marker.replace(/\n/g, '\\n');
  };

 return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <textarea
                value={displayMarker(startMarker)}
                onChange={(e) => setStartMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <textarea
                value={displayMarker(endMarker)}
                onChange={(e) => setEndMarker(e.target.value.replace(/\\n/g, '\n'))}
                className="w-full h-20 p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <pre className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50 whitespace-pre-wrap">
                {output}
              </pre>
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

Key changes:

  1. Modified the line processing logic to check if a line is the last line in the section
  2. If it's the last line and it's empty, we add it without a quote mark
  3. Other empty lines still get the quote mark ('>')
  4. All other lines are processed as before

Now when you process text like:

mjaiswal: how does the hook based duplicate detection work before adding something?

GitHub Copilot: Based on the code shown, here's how the hook-based duplicate detection works:

It will produce:

> [!NOTE]
> mjaiswal: how does the hook based duplicate detection work before adding something?

GitHub Copilot: Based on the code shown, here's how the hook-based duplicate detection works:

Would you like to try it out with your actual content to make sure it works as expected?

Note

mimansajaiswal: you know how currently we just replace stuff. i want to make it prettier. so using just html and inline css, i want you to create a chatbox look for start to end marker, and end marker to next start marker. can you try that?

Claude: I'll modify the text processing to create a chat-like UI for the sections between start and end markers.

import React, { useState } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => {
  const [input, setInput] = useState('');
  const [output, setOutput] = useState('');
  const [copied, setCopied] = useState(false);
  const [startMarker, setStartMarker] = useState('mimansajaiswal:');
  const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

  const processText = (text: string): string => {
    let result = '';
    let currentIndex = 0;
    
    while (true) {
      // Find next start marker
      const startIndex = text.indexOf(startMarker, currentIndex);
      if (startIndex === -1) {
        // Add remaining text and break
        result += text.substring(currentIndex);
        break;
      }
      
      // Add text before the start marker
      result += text.substring(currentIndex, startIndex);
      
      // Find next end marker after this start
      const endIndex = text.indexOf(endMarker, startIndex);
      if (endIndex === -1) {
        // Add remaining text and break if no end marker found
        result += text.substring(startIndex);
        break;
      }
      
      // Extract the section to be processed
      const userSection = text.substring(startIndex + startMarker.length, endIndex).trim();
      const aiSection = text.substring(endIndex + endMarker.length, 
        text.indexOf(startMarker, endIndex) !== -1 
          ? text.indexOf(startMarker, endIndex) 
          : text.length
      ).trim();
      
      // Create chat-style HTML for the section
      result += `
<div style="
  display: flex; 
  flex-direction: column; 
  gap: 10px; 
  margin: 15px 0;
  max-width: 100%;
">
  <div style="
    align-self: flex-end;
    background-color: #e6f3ff;
    border-radius: 12px;
    padding: 10px 15px;
    max-width: 80%;
    word-wrap: break-word;
  ">
    ${userSection}
  </div>
  
  <div style="
    align-self: flex-start;
    background-color: #f0f0f0;
    border-radius: 12px;
    padding: 10px 15px;
    max-width: 80%;
    word-wrap: break-word;
  ">
    ${aiSection}
  </div>
</div>
`;
      
      // Move current index
      currentIndex = endIndex + endMarker.length + (aiSection ? aiSection.length : 0);
      
      // Break if no more start markers
      if (text.indexOf(startMarker, currentIndex) === -1) {
        result += text.substring(currentIndex);
        break;
      }
    }
    
    return result;
  };

  const handleProcess = () => {
    setOutput(processText(input));
  };

  const copyToClipboard = () => {
    const textArea = document.createElement('textarea');
    textArea.value = output;
    document.body.appendChild(textArea);
    textArea.select();
    
    try {
      document.execCommand('copy');
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error('Failed to copy text:', err);
    }
    
    document.body.removeChild(textArea);
  };

  return (
    <div className="w-full max-w-4xl mx-auto p-4">
      <Card>
        <CardHeader>
          <CardTitle>Chat-Style Text Processor</CardTitle>
        </CardHeader>
        <CardContent className="space-y-4">
          <div className="grid grid-cols-2 gap-4 mb-4">
            <div>
              <label className="block text-sm font-medium mb-2">Start Marker:</label>
              <input
                value={startMarker}
                onChange={(e) => setStartMarker(e.target.value)}
                className="w-full p-2 border rounded-md font-mono text-sm"
                placeholder="Enter start marker..."
              />
            </div>
            <div>
              <label className="block text-sm font-medium mb-2">End Marker:</label>
              <input
                value={endMarker}
                onChange={(e) => setEndMarker(e.target.value)}
                className="w-full p-2 border rounded-md font-mono text-sm"
                placeholder="Enter end marker..."
              />
            </div>
          </div>
          
          <div>
            <label className="block text-sm font-medium mb-2">Input Text:</label>
            <textarea 
              value={input}
              onChange={(e) => setInput(e.target.value)}
              className="w-full h-48 p-2 border rounded-md"
              placeholder="Paste your text here..."
            />
          </div>
          
          <Button 
            onClick={handleProcess}
            className="w-full"
          >
            Process Text
          </Button>
          
          {output && (
            <div>
              <div className="flex justify-between items-center mb-2">
                <label className="block text-sm font-medium">Output:</label>
                <Button 
                  variant="outline" 
                  size="sm"
                  onClick={copyToClipboard}
                  className="flex items-center gap-2"
                >
                  {copied ? (
                    <>
                      <Check className="w-4 h-4" />
                      Copied!
                    </>
                  ) : (
                    <>
                      <Clipboard className="w-4 h-4" />
                      Copy
                    </>
                  )}
                </Button>
              </div>
              <div 
                className="w-full h-48 p-2 border rounded-md overflow-auto bg-gray-50"
                dangerouslySetInnerHTML={{ __html: output }}
              />
            </div>
          )}
        </CardContent>
      </Card>
    </div>
  );
};

export default TextProcessor;

Key changes:

  • Used inline styles to create chat-like bubbles
  • Blue bubble for user messages (right-aligned)
  • Gray bubble for AI messages (left-aligned)
  • Implemented using dangerouslySetInnerHTML to render HTML
  • Simplified marker inputs
  • Preserved core functionality of processing text between markers

Would you like me to modify the styling further?

Note

mimansajaiswal: no, that is not the idea. i want to convert it to html that can be copied. this would be pasted in a gist basically, so all css needs to be inline in style parameters. i do not need to see rendering in the application.

Claude: ```tsx import React, { useState } from 'react'; import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'; import { Button } from '@/components/ui/button'; import { Clipboard, Check } from 'lucide-react';

const TextProcessor = () => { const [input, setInput] = useState(''); const [output, setOutput] = useState(''); const [copied, setCopied] = useState(false); const [startMarker, setStartMarker] = useState('mimansajaiswal:'); const [endMarker, setEndMarker] = useState('\nGitHub Copilot:');

const processText = (text: string): string => { // HTML template with inline styles const chatBubbleStyle = display: inline-block; max-width: 80%; margin: 5px 0; padding: 10px; border-radius: 10px; word-wrap: break-word;;

const userBubbleStyle = `${chatBubbleStyle} background-color: #e6f3ff; align-self: flex-end; margin-left: auto;`;
const aiBubbleStyle = `${chatBubbleStyle} background-color: #f0f0f0; align-self: flex-start;`;

const containerStyle = `
  display: flex; 
  flex-direction: column; 
  width: 100%; 
  max-width: 800px; 
  margin: 0 auto;
`;

let result = `<div style="${containerStyle}">`;
let currentIndex = 0;

while (true) {
  // Find next start marker
  const startIndex = text.indexOf(startMarker, currentIndex);
  if (startIndex === -1) {
    // Add remaining text and break
    result += text.substring(currentIndex);
    break;
  }
  
  // Find next end marker after this start
  const endIndex = text.indexOf(endMarker, startIndex);
  if (endIndex === -1) {
    // Add remaining text and break if no end marker found
    result += text.substring(startIndex);
    break;
  }
  
  // Extract the section to be processed
  const userSection = text.substring(startIndex + startMarker.length, endIndex).trim();
  const aiSection = text.substring(endIndex + endMarker.length, 
    text.indexOf(startMarker, endIndex) !== -1 
      ? text.indexOf(startMarker, endIndex) 
      : text.length
  ).trim();
  
  // Create chat-style HTML with inline styles
  result += `
    <div style="style="${userBubbleStyle}">
      ${userSection}
    </div>
    <div style="${aiBubbleStyle}">
      ${aiSection}
    </div>
  `;
  
  // Move current index
  currentIndex = endIndex + endMarker.length + (aiSection ? aiSection.length : 0);
  
  // Break if no more start markers
  if (text.indexOf(startMarker, currentIndex) === -1) {
    result += text.substring(currentIndex);
    break;
  }
}

result += '</div>';
return result;

};

const handleProcess = () => { setOutput(processText(input)); };

const copyToClipboard = () => { const textArea = document.createElement('textarea'); textArea.value = output; document.body.appendChild(textArea); textArea.select();

try {
  document.execCommand('copy');
  setCopied(true);
  setTimeout(() => setCopied(false), 2000);
} catch (err) {
  console.error('Failed to copy text:', err);
}

document.body.removeChild(textArea);

};

return (

Chat-Style Text Processor
Start Marker: <input value={startMarker} onChange={(e) => setStartMarker(e.target.value)} className="w-full p-2 border rounded-md font-mono text-sm" placeholder="Enter start marker..." />
End Marker: <input value={endMarker} onChange={(e) => setEndMarker(e.target.value)} className="w-full p-2 border rounded-md font-mono text-sm" placeholder="Enter end marker..." />

      <div>
        <label className="block text-sm font-medium mb-2">Input Text:</label>
        <textarea 
          value={input}
          onChange={(e) => setInput(e.target.value)}
          className="w-full h-48 p-2 border rounded-md"
          placeholder="Paste your text here..."
        />
      </div>
      
      <Button 
        onClick={handleProcess}
        className="w-full"
      >
        Process Text
      </Button>
      
      {output && (
        <div>
          <div className="flex justify-between items-center mb-2">
            <label className="block text-sm font-medium">Output:</label>
            <Button 
              variant="outline" 
              size="sm"
              onClick={copyToClipboard}
              className="flex items-center gap-2"
            >
              {copied ? (
                <>
                  <Check className="w-4 h-4" />
                  Copied!
                </>
              ) : (
                <>
                  <Clipboard className="w-4 h-4" />
                  Copy
                </>
              )}
            </Button>
          </div>
          <textarea 
            value={output}
            readOnly
            className="w-full h-48 p-2 border rounded-md bg-gray-50 font-mono text-sm"
          />
        </div>
      )}
    </CardContent>
  </Card>
</div>

); };

export default TextProcessor;


Key changes:
- Added inline styles directly in the HTML generation
- Created styles for user and AI message bubbles
- Used a container div with flex layout
- Displayed output in a textarea for easy copying
- Preserved core text processing logic

Would you like me to make any further modifications?
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