js: piece_xy: Make it return Pos

Just tidying up.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/templates/script.ts b/templates/script.ts
index b4bf063779f8c7288bcef868a50ed987ec27e5e3..2dc67a5b46d1bfa1fd37478f0bef3fa0d99aabbf 100644 (file)
--- a/templates/script.ts
+++ b/templates/script.ts
@@ -680,7 +680,7 @@ var dcy : number | null;
 
 const DRAGTHRESH = 5;
 
-function piece_xy(p: PieceInfo): [number, number] {
+function piece_xy(p: PieceInfo): Pos {
   return [ parseFloat(p.uelem.getAttributeNS(null,"x")!),
           parseFloat(p.uelem.getAttributeNS(null,"y")!) ];
 }