Duck Programming Language (DPL)

Official Visual Studio Code & Open VSX extension for Duck Programming Language (DPL) — a modern Web Description Language (WDL) compiler targeting clean HTML, CSS, and reactive JS.

Features

• 🎨 Syntax Highlighting: Full language support for .duck source files.
• ⚡ Language Server Protocol (LSP): Real-time diagnostics, hover info, type checking, and smart autocompletions for keywords, layout tags, state variables, and components.
• 🚀 Live Preview & Server Integration: Full integration with the Duck Dev Server for instant SSE live reloads.

Getting Started

1. Create a file named app.duck.
2. Add your DPL code:

page MyApp
  title: "My First Duck App"
  theme: light

  state count = 0

  layout Main
    card
      heading "Hello Duck!"
      text "Counter Value: {count}"
      button "Increment" variant: primary, click: count++

1. Run the Duck Dev Server:

npm run dev

License

MIT License