Read-only JSON display: ```vue ``` Editable JSON with format button: ```vue ``` XML mode: ```vue ``` HTML mode — showcases highlighting across markup, inline `\n \n \n

Hello, world!

\n

Welcome to example.com.

\n \n ``` Auto-detect mode — sniffs JSON, HTML, XML, or falls back to plain text. The component emits `detected-language` with the resolved language whenever it changes (and once on mount): ```vue ```