# constants.ResizeAdjustmentDirection

- **Module:** constants
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-ts/blob/3fe1ca654b81b8cbf4a13b777a001a3298c87a6f/packages/libtmux/src/constants.ts#L7
- **Page:** https://libtmux.org/en/ts/latest/reference/constants-resizeadjustmentdirection/

Which edge a resize moves, in tmux's own terms.

The direction is where the boundary travels, not which pane grows: `Up` on
a pane with a neighbour above it takes space from that neighbour.