Scaling game while keeping original height or width, depending on display ratio

[samme]

Change

-this.game.scale.resize(xsize, ysize);
-this.game.canvas.style.width = xsize + 'px';
-this.game.canvas.style.height = ysize + 'px';
-this.game.scale.refresh();
+this.game.scale.setGameSize(xsize, ysize);