DataWeave Editor

Local desktop app for writing and testing DataWeave transformations — no size limits, no network calls.

Install

brew tap chrises5/tap
brew install --cask dataweave-editor

This automatically installs the DataWeave CLI (dw) if not already present.

Features

• 3-panel editor: Input | Script | Output
• DataWeave syntax highlighting (Monarch tokenizer)
• Multiple session tabs (Cmd+T, Cmd+1-9 to switch)
• Dark mode (Cmd+Shift+D)
• Session persistence across restarts
• Log output capture (collapsible panel)
• File drop zone for inputs
• Output syntax highlighting based on output MIME type
• Auto-generated correlationId per execution

Keyboard Shortcuts

Shortcut	Action
Cmd+Enter	Run script
Cmd+T	New session tab
Cmd+W	Close session tab
Cmd+1-9	Switch to tab by number
Cmd+Shift+]	Next tab
Cmd+Shift+[	Previous tab
Cmd+Shift+D	Toggle dark mode

Development

npm install
npm run dev

Build

npm run build:mac        # Both arm64 + x64
npm run build:mac-arm64  # Apple Silicon only
npm run build:mac-x64    # Intel only

License

MIT