XYJson

A VS Code extension for mutual conversion between XML, JSON, and YAML formats.

Features

• Convert to JSON: Transform XML or YAML content to JSON format
• Convert to YAML: Transform JSON or XML content to YAML format
• Convert to XML: Transform JSON or YAML content to XML format
• Auto-detection: Automatically detects the input format based on content
• Error highlighting: Shows error location when conversion fails

Usage

Via Context Menu

1. Open a file containing JSON, XML, or YAML content
2. Right-click in the editor
3. Select one of the conversion options:
   • "XYJson: Convert to JSON"
   • "XYJson: Convert to YAML"
   • "XYJson: Convert to XML"

Via Command Palette

1. Open a file containing JSON, XML, or YAML content
2. Press Ctrl+Shift+P (Windows/Linux) or Cmd+Shift+P (macOS)
3. Type "XYJson" and select the desired conversion command

Format Detection

The extension automatically detects the input format:

• JSON: Content starting with { or [
• XML: Content starting with <
• YAML: All other content (YAML is the most permissive format)

XML Handling

When working with XML:

• Attributes are prefixed with @_ (e.g., @_id, @_class)
• Text nodes are represented as #text
• Output is formatted with 2-space indentation

Development

Prerequisites

• Node.js 18+
• npm

Setup

npm install
npm run compile

Running the Extension

1. Open this project in VS Code
2. Press F5 to launch the Extension Development Host
3. Open a JSON, XML, or YAML file and test the conversion commands

Packaging

npx vsce package

This creates a .vsix file that can be installed in VS Code.

License

MIT