Displays title of focused window in Sway WM

Dependencies: swaymsg (typically distributed along with sway), jq
sway-focusedwindow [maxlen [alignment]]
First argument is maximum line length. 0 means unlimited length, i.e. output line can occupy all available space.
Default value: 0.
Second argument is alignment. If output line length is lesser than maximum line length, then it will be aligned.
Possible values: left, right, center.
Default value: center.
The recommended i3blocks config is
[sway-focusedwindow]
command=$SCRIPT_DIR/sway-focusedwindow 200 center
interval=persist