Syntax Highlighting

Each mode has its own syntax highlighter that activates automatically when you switch modes.

Nu Mode

Uses nushell's native NuHighlighter. Full nushell syntax awareness — keywords, commands, strings, variables, pipes, types, and errors are all colored according to your $env.config.color_config.

See Nushell theming docs for customization.

Bash Mode

Uses BashHighlighter with tree-sitter-bash. Colors are read from your nushell color config so both modes match:

Category	What it colors
Keywords	`if`, `for`, `export`, `while`
Commands	`ls`, `grep`, `echo`, `cd`
Strings	`"hello"`, `'world'`
Variables	`$HOME`, `${BAR}`
Operators	`\|`, `>`, `&&`, `\|\|`
Comments	`# this is a comment`

 Automatic Switching
 
When you press Shift+Tab, the highlighter switches immediately. The next
    keystroke uses the new mode's highlighter.