upd to swayipc 2.1.1, use Node.Is* type predicates

main.go

@@ -36,15 +36,9 @@ import (
 )
 
 const (
-	root = iota + 1
-	output
-	workspace
-	con
-	floating
-
 	LevelNotice = slog.Level(2)
 
-	VERSION = "v0.3.2"
+	VERSION = "v0.3.3"
 )
 
 var (
@@ -170,7 +164,7 @@ func cycle() error {
 // get into the sway tree, determine current workspace and extract all
 // its visible windows, store them in the global var Visibles
 func processJSON(sway *swayipc.Node) error {
-	if !istype(sway, root) && len(sway.Nodes) == 0 {
+	if !sway.IsRoot() && len(sway.Nodes) == 0 {
 		return errors.New("invalid or empty JSON structure")
 	}
 
@@ -258,7 +252,7 @@ func switchFocus(id int, ipc *swayipc.SwayIPC) error {
 // iterate recursively over given node list extracting visible windows
 func recurseNodes(nodes []*swayipc.Node) {
 	for _, node := range nodes {
-		if istype(node, workspace) {
+		if node.IsWorkspace() {
 			if node.Name == CurrentWorkspace {
 				// floating_nodes need to be sorted because
 				// order changes each time they are focused.
@@ -279,7 +273,7 @@ func recurseNodes(nodes []*swayipc.Node) {
 
 		// the first nodes seen are workspaces, so if we see a con
 		// node, we are already inside the current workspace
-		if (istype(node, con) || istype(node, floating)) &&
+		if (node.IsContainer() || node.IsFloating()) &&
 			(node.Window > 0 || node.X11Window != "") {
 			Visibles = append(Visibles, node)
 		} else {
@@ -338,24 +332,6 @@ func setupLogging(output io.Writer) {
 	}
 }
 
-// istype is a little helper to distinguish sway tree node types
-func istype(nd *swayipc.Node, which int) bool {
-	switch nd.Type {
-	case "root":
-		return which == swayipc.NodeTypeRoot
-	case "output":
-		return which == swayipc.NodeTypeOutput
-	case "workspace":
-		return which == swayipc.NodeTypeWorkspace
-	case "con":
-		return which == swayipc.NodeTypeCon
-	case "floating_con":
-		return which == swayipc.NodeTypeFloating
-	}
-
-	return false
-}
-
 // IsNoTty returns TRUE if stdout is NOT a tty or windows
 func IsNoTty() bool {
 	if !isatty.IsTerminal(os.Stdout.Fd()) {