# HG changeset patch
# User Jonas Schäfer <jonas@wielicki.name>
# Date 1620484308 -7200
# Node ID 21217f7e82b978848e97a977112dc772625250b1
# Parent  cb5748f94840ea27403387aa5c1eb51a10c140dd
util.stanza: add at_top helper

This allows the user to detect whether the cursor is currently
at the top of the stanza. This will be used by util.xmppstream
to be able to port it over.

diff -r cb5748f94840 -r 21217f7e82b9 util/stanza.lua
--- a/util/stanza.lua	Thu May 20 14:00:54 2021 +0200
+++ b/util/stanza.lua	Sat May 08 16:31:48 2021 +0200
@@ -136,6 +136,10 @@
 	return self;
 end
 
+function stanza_mt:at_top()
+	return self.last_add == nil or #self.last_add == 0
+end
+
 function stanza_mt:reset()
 	self.last_add = nil;
 	return self;