Make the recorder script more readable

usr/share/sway/scripts/recorder.sh

@@ -1,18 +1,17 @@
 #!/bin/bash
 
 countdown() {
-  notify "Recording in 3 seconds" -t 1000
-  sleep 1
-  notify "Recording in 2 seconds" -t 1000
-  sleep 1
-  notify "Recording in 1 seconds" -t 1000
+  for count in {3..1}; do
+    notify "Recording in $count seconds" -t 1000
     sleep 1
+  done
 }
 
 notify() {
-  line=$1
-  shift
-  notify-send "${line}" -i /usr/share/icons/Yaru/scalable/devices/camera-video-symbolic.svg "$@"
+  notify-send \
+    "$1" \
+    -i "/usr/share/icons/Yaru/scalable/devices/camera-video-symbolic.svg" \
+    "${@:2}"
 }
 
 kill_waybar() {
@@ -41,17 +40,25 @@ main() {
   timestamp=$(date +'recording_%Y%m%d-%H%M%S')
 
   notify "Select a region to record" -t 1000
-  area=$(swaymsg -t get_tree | jq -r '.. | select(.pid? and .visible?) | .rect | "\(.x),\(.y) \(.width)x\(.height)"' | slurp)
+  area=$(swaymsg -t get_tree | \
+    jq -r '.. | select(.pid? and .visible?) | .rect | "\(.x),\(.y) \(.width)x\(.height)"' | \
+    slurp)
 
   countdown
   (sleep 0.5 && kill_waybar) &
 
-  if [ "$1" == "-a" ]; then
+  if [[ "$1" == "-a" ]]; then
     file="$target_path/$timestamp.mp4"
     wf-recorder --audio -g "$area" --file="$file"
   else
     file="$target_path/$timestamp.webm"
-    wf-recorder -g "$area" -c libvpx --codec-param="qmin=0" --codec-param="qmax=25" --codec-param="crf=4" --codec-param="b:v=1M" --file="$file"
+    wf-recorder \
+      -g "$area" -c libvpx \
+      --codec-param="qmin=0" \
+      --codec-param="qmax=25" \
+      --codec-param="crf=4" \
+      --codec-param="b:v=1M" \
+      --file="$file"
   fi
 
   kill_waybar && notify "Finished recording ${file}"