2026-04-23T02-31-34Z__iter_03

import * as vscode from "vscode";
import * as aws from "aws-sdk";

export function activate(context: vscode.ExtensionContext) {
  const disposable = vscode.commands.registerCommand(
    "qrcode-extension.openQRCodePanel",
    () => {
      // 1) Create the webview as before
      const panel = vscode.window.createWebviewPanel(
        "qrCodePanel",
        "QR Code + Data Viewer",
        vscode.ViewColumn.One,
        { enableScripts: true }
      );

      // 2) Generate a session ID
      const sessionId = Date.now().toString();

      // 3) Notify server about this session
      fetch("ht…

```json
{
  "stitched_response": "// src/extension.ts\nimportimport * as vscode from \"vscode\";\nimport"vscode";
import * as aws from \"aws-sdk\";\n\nexport"aws-sdk";

export function activate(context: vscode.ExtensionContext) {\n  {
  const disposable = vscode.commands.registerCommand(\n    \"qrcode-extension.openQRCodePanel\",\n    vscode.commands.registerCommand(
    "qrcode-extension.openQRCodePanel",
    () => {\n      {
      // 1) Create the webview as before\n      before
      const panel = vscode.window.createWebviewPanel(\n        \"qrCodePanel\",\n        \"QRvscode.window.createWebviewPanel(
        "qrCodePanel",
        "QR Code + Data Viewer\",\n        vscode.ViewColumn.One,\n        Viewer",
        vscode.ViewColumn.One,
        { enableScripts: true }\n      );\n\n      }
      );

      // 2) Generate a session ID\n      ID
      const sessionId = Date.now().toString();\n\n      Date.now().toString();

      // 3) Notify server about this session\n      fetch(\"http://localhost:3000/init-session\", {\n        method: \"POST\",\n        headers: { \"Content-Type\": \"application/json\" },\n        session
      fetch("http://localhost:3000/init-session", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ sessionId }),\n      }),
      }).catch((err) => {\n        console.error(\"Failed{
        console.error("Failed to init session with server:\", err)\n      });\n\n      server:", err);
      });

      // 4) Provide minimal HTML that shows the QR code and polls for scan\n      scan
      panel.webview.html = getWebviewContent(sessionId);\n\n      getWebviewContent(sessionId);

      // 5) Listen for messages FROM the webview\n      webview
      panel.webview.onDidReceiveMessage(async (message) => {\n        {
        if (message.command === \"scanned\") {\n          "scanned") {
          const { s3Url } = message;\n          try {\n            message;
          try {
            // Fetch the file from S3 (public or private)\n            private)
            const fileContent = await fetchFromPublicS3Url(s3Url);\n\n            fetchFromPublicS3Url(s3Url);

            // Extract the base name (no extension) from the S3 URL\n            URL
            const baseName = pickBaseFilenameNoExtension(s3Url);\n            pickBaseFilenameNoExtension(s3Url);
            // e.g. \"22_generate_parenthesis\""22_generate_parenthesis" from \"22_generate_parenthesis.py\"\n\n            "22_generate_parenthesis.py"

            // Create an untitled document with no extension\n            extension
            // e.g. \"untitled:22_generate_parenthesis\"\n            "untitled:22_generate_parenthesis"
            const untitledUri = vscode.Uri.parse(\n                `untitled:${baseName}`\n            );\n\n            vscode.Uri.parse(
              `untitled:${baseName}`
            );

            // Open the doc\n            doc
            const doc = await vscode.workspace.openTextDocument(\n                untitledUri\n            );\n            vscode.workspace.openTextDocument(
              untitledUri
            );
            const editor = await vscode.window.showTextDocument(\n                doc\n            );\n\n            vscode.window.showTextDocument(
              doc
            );

            // Paste the content\n            content
            await editor.edit((editBuilder) => {\n                editBuilder.insert(\n                    new vscode.Position(0, 0),\n                    fileContent\n                );\n            });\n\n            {
              editBuilder.insert(
                new vscode.Position(0, 0),
                fileContent
              );
            });

            // Optionally close the panel\n            panel.dispose();\n          panel
            panel.dispose();
          } catch (err) {\n            console.error(\n                \"[Extension]{
            console.error(
              "[Extension] Error fetching data from S3: \",\n                err\n            );\n            vscode.window.showErrorMessage(\n                \"Failed to load file from S3.\"\n            );\n          }\n        }\n      });\n    }\n  );\n\n  context.subscriptions.push(disposable);\n}\n\n//",
              err
            );
            vscode.window.showErrorMessage(
              "Failed to load file from S3."
            );
          }
        }
      });
    }
  );

  context.subscriptions.push(disposable);
}

// Fetch from public S3 URL\nasyncURL
async function fetchFromPublicS3Url(url: string): Promise<string> {\n    {
  const response = await fetch(url);\n    fetch(url);
  if (!response.ok) {\n        {
    throw new Error(`Fetch to ${url} returned status ${response.status}`);\n    }\n    return response.text();\n}\n\n/**\n ${response.status}`);
  }
  return response.text();
}

/**
 * Extract the final filename from the S3 URL, then remove the extension.\n extension.
 * e.g. \"https://bucket.s3.amazonaws.com/foo/bar/22_generate_parenthesis.py\"\n "https://bucket.s3.amazonaws.com/foo/bar/22_generate_parenthesis.py"
 * -> \"22_generate_parenthesis.py\" -> \"22_generate_parenthesis\"\n */\nfunction"22_generate_parenthesis"
 */
function pickBaseFilenameNoExtension(url: string): string {\n    try {\n        {
  try {
    const lastPart = url.split(\"/\").pop()url.split("/").pop() ?? \"untitledFile\";\n        "untitledFile";
    // Remove dot extension if present\n        present
    // This regex removes the last .xyz portion, if any\n        any
    const baseName = lastPart.replace(/\\.[^.]*$/, \"\");\n        lastPart.replace(/\.[^.]*$/, "");
    return baseName || \"untitledFile\";\n    "untitledFile";
  } catch {\n        return \"untitledFile\";\n    }\n}\n\n// Minimal HTML\nfunction getWebviewContent(sessionId: string): string {\n  return `\n<!DOCTYPE html>\n<html>\n<head>\n  <meta charset=\"UTF-8\" />\n  <title>QR Code Demo</title>\n  <script src=\"https://cdn.jsdelivr.net/npm/qrcode@1.5.1/build/qrcode.min.js\"></script>\n</head>\n<body>\n  <h2>My QR Code (Session: ${sessionId})</h2>\n  <canvas id=\"qrcode\"></canvas>\n  <div id=\"status\"></div>\n  <script>\n    {
    return "untitledFile";
  }
}

// Minimal HTML
function getWebviewContent(sessionId: string): string {
  return `
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <title>QR Code Demo</title>
  <script src="https://cdn.jsdelivr.net/npm/qrcode@1.5.1/build/qrcode.min.js"></script>
</head>
<body>
  <h2>My QR Code (Session: ${sessionId})</h2>
  <canvas id="qrcode"></canvas>
  <div id="status"></div>
  <script>
    const vscode = acquireVsCodeApi();\n    acquireVsCodeApi();
    const sessionId = \"${sessionId}\";\n\n    "${sessionId}";

    QRCode.toCanvas(document.getElementById('qrcode'), sessionId, (err) => {\n      {
      if (err) console.error(err);\n      console.log(\"QR code rendered!\");\n    });\n\n    async function checkForScan() {\n      try {\n        const res = await fetch(\"http://localhost:3000/check-scan\", {\n          method: \"POST\",\n          headers: { \"Content-Type\": \"application/json\" },\n          console.error(err);
      console.log("QR code rendered!");
    });

    async function checkForScan() {
      try {
        const res = await fetch("http://localhost:3000/check-scan", {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ sessionId }),\n        });\n        }),
        });
        const data = await res.json();\n        res.json();
        if (data.scanned) {\n          document.getElementById(\"status\").innerText{
          document.getElementById("status").innerText = \"Scanned!"Scanned! Opening file...\";\n          vscode.postMessage({\n            command: \"scanned\",\n            s3Url: data.s3Url,\n          });\n        file...";
          vscode.postMessage({
            command: "scanned",
            s3Url: data.s3Url,
          });
        } else {\n          document.getElementById(\"status\").innerText{
          document.getElementById("status").innerText = \"Not"Not scanned yet. Polling again in 5s...\";\n          setTimeout(checkForScan, 5000);\n        }\n      5s...";
          setTimeout(checkForScan, 5000);
        }
      } catch (err) {\n        console.error(err);\n        document.getElementById(\"status\").innerText{
        console.error(err);
        document.getElementById("status").innerText = \"Error"Error polling server. Retrying in 5s...\";\n        setTimeout(checkForScan, 5000);\n      }\n    }\n\n    checkForScan();\n  </script>\n</body>\n</html>\n`;\n}",
  "additional_notes": "The OCR texts were stitched together by identifying overlapping lines across successive frames. Indentation was corrected to a consistent 2-space style for JavaScript/TypeScript code and appropriate HTML indentation for readability. Several ambiguities and minor OCR errors were resolved:\n\n1.  **Function Naming:** The function `nickBaseFilenameNoExtension` (present in frames 0.0s, 1.0s, 2.0s) was updated to `pickBaseFilenameNoExtension` (present in frames 3.0s onwards), reflecting a likely code change or refactoring during the video capture.\n2.  **`getWebviewContent` Casing:** The function definition for `getWebviewContent` appeared as `getWebViewContent` in frames 16.0s and 17.0s but was consistently `getWebviewContent` (lowercase 'v') in the call site (`panel.webview.html = ...`) across most frames and in later function definitions (18.0s, 19.0s, 20.0s, 21.0s, 22.0s). The lowercase 'v' version was chosen for consistency.\n3.  **`onDidReceiveMessage` vs `onDidChangeMessage`:** Frame 10.0s showed `panel.webview.onDidChangeMessage`, but all other frames consistently showed `onDidReceiveMessage`. The latter was preserved.\n4.  **`untitled:${baseName}` Syntax:** Frame 10.0s had an OCR error `untitled:$ {baseName}` which was corrected to the valid template literal syntax `untitled:${baseName}`.\n5.  **`return \`` in `getWebviewContent`:** Frame 22.0s showed `return (` which was corrected to `return \`` as it initiates a template literal string.\n6.  **`pickBaseFilenameNoExtension` Regex:** There were minor variations in the regex `lastPart.replace()` within `pickBaseFilenameNoExtension` (`/\\.[^/.\\\\]*$/` vs `/\\.[^.]*$/`). The simpler `/\\.[^.]*$/` version was chosen as it appeared consistently in later frames (15.0s, 18.0s, 19.0s, 20.0s) and adequately serves the stated purpose of removing a file extension.\n7.  **`try/catch` Block Structure and `panel.dispose()`:** The exact placement of the `panel.dispose()` call and the boundaries of the `try/catch` block within the `onDidReceiveMessage` handler were ambiguous due to fragmented views and potential OCR artifacts (e.g., mismatched closing braces in frames 9.0s, 10.0s, 11.0s, 12.0s, 13.0s). The final structure places `panel.dispose()` within the `try` block, followed by a `catch` block that handles errors during the S3 fetch and document creation/editing, ensuring the panel is only disposed upon successful processing of a scanned item or if an error occurs during that process.\n8.  **Miscellaneous Noise:** Minor floating text, truncated lines, and excessive closing brackets (e.g., in frames 13.0s, 15.0s) were filtered out as evident OCR noise. A leading dot in `// .Fetch from public S3 URL` (frame 14.0s) was also removed."
}
```5s...";
        setTimeout(checkForScan, 5000);
      }
    }

    checkForScan();
  </script>
</body>
</html>
`;
}