Fixing resize split can cause crashes when node is root

Neko-Box-Coder · Neko-Box-Coder · commit 86bca52eecca · 2026-07-12T22:17:33.000+01:00
Fixing resize split can cause crashes when node is root. "Regression" of micro-editor#3983 where ResizeSplit() assumed that the root node always has a single child which aligns to the previous behavior
diff --git a/internal/views/splits.go b/internal/views/splits.go
@@ -186,7 +186,7 @@ func (n *Node) hResizeSplit(i int, size int) bool {
 // ResizeSplit resizes a certain split to a given size
 func (n *Node) ResizeSplit(size int) bool {
 	// TODO: `size < 0` does not work for some reason
-	if size <= 0 {
+	if size <= 0 || n.parent == nil {
 		return false
 	}
 	if len(n.parent.children) <= 1 {

Original file line number	Diff line number	Diff line change
`@@ -186,7 +186,7 @@ func (n *Node) hResizeSplit(i int, size int) bool {`
`186`	`186`	`// ResizeSplit resizes a certain split to a given size`
`187`	`187`	`func (n *Node) ResizeSplit(size int) bool {`
`188`	`188`	// TODO: `size < 0` does not work for some reason
`189`		`- if size <= 0 {`
	`189`	`+ if size <= 0 \|\| n.parent == nil {`
`190`	`190`	`return false`
`191`	`191`	`}`
`192`	`192`	`if len(n.parent.children) <= 1 {`