JSON Log Viewer

A VS Code extension to preview JSON formatted log files with filtering and search capabilities.

Features

• Formatted Log Display: View logs in a clean, readable format with syntax highlighting
• Level Filtering: Filter logs by level (DEBUG, INFO, WARN, ERROR)
• Search: Search through log content
• Fields Detail Modal: Click on fields to view detailed information with VIEWER/RAW modes

Usage

1. Open a .log file containing JSON formatted logs
2. Click the preview button in the editor title bar, or run JSON Logs: Preview from the command palette

Log Format

The extension expects each line to be a JSON object with the following structure:

{
  "time": "2025-11-14 19:29:25.491",
  "level": "INFO",
  "name": "ModuleName",
  "message": "Log message here",
  "fields": {
    "key": "value"
  },
  "caller": "path/to/file.go:123"
}

Development

# Install dependencies
npm install

# Compile
npm run compile

# Watch mode
npm run watch

Press F5 in VS Code to launch the extension in debug mode.

License

MIT