From f88269fb22be89b73c60a56d9809ac4014b76320 Mon Sep 17 00:00:00 2001
From: Christian Rocha <christian@rocha.is>
Date: Tue, 18 Feb 2020 15:33:06 -0500
Subject: [PATCH] Don't send funky escape sequences as keypresses

---
 key.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/key.go b/key.go
index f6233ee..6718cc6 100644
--- a/key.go
+++ b/key.go
@@ -78,6 +78,7 @@ const (
 
 // Aliases
 const (
+	KeyNull      = keyNUL
 	KeyBreak     = keyETX
 	KeyEnter     = keyCR
 	KeyBackspace = keyBS
@@ -220,6 +221,12 @@ func ReadKey(r io.Reader) (Key, error) {
 		return Key{Type: k}, nil
 	}
 
+	// If the first byte is an escape sequence, and we're still here, just
+	// send a null to avoid sending bizarre escape sequences down the line
+	if n > 0 && buf[0] == 0x1b {
+		return Key{Type: KeyNull}, nil
+	}
+
 	// Nope, just a regular, ol' rune
 	return Key{Type: KeyRune, Rune: c}, nil
 }