From 60a57eaf1f7f71e6678af1607581fad369cd6e88 Mon Sep 17 00:00:00 2001
From: Ayman Bagabas <ayman.bagabas@gmail.com>
Date: Mon, 24 Jun 2024 14:09:51 -0400
Subject: [PATCH] fix: nil deref on release terminal

---
 tea.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/tea.go b/tea.go
index 15f80f1193..7ded48b63d 100644
--- a/tea.go
+++ b/tea.go
@@ -652,15 +652,18 @@ func (p *Program) shutdown(kill bool) {
 // reader. You can return control to the Program with RestoreTerminal.
 func (p *Program) ReleaseTerminal() error {
 	atomic.StoreUint32(&p.ignoreSignals, 1)
-	p.cancelReader.Cancel()
+	if p.cancelReader != nil {
+		p.cancelReader.Cancel()
+	}
+
 	p.waitForReadLoop()
 
 	if p.renderer != nil {
 		p.renderer.stop()
+		p.altScreenWasActive = p.renderer.altScreen()
+		p.bpWasActive = p.renderer.bracketedPasteActive()
 	}
 
-	p.altScreenWasActive = p.renderer.altScreen()
-	p.bpWasActive = p.renderer.bracketedPasteActive()
 	return p.restoreTerminalState()
 }