From 30ea8910bef1a8b2afa7a2429098d2e377b3fe4f Mon Sep 17 00:00:00 2001
From: harimambura <harimambura@gmail.com>
Date: Sat, 25 Jun 2022 14:37:08 +0400
Subject: [PATCH] Fix calculating button absolute path length

Fix calculating button absolute path length with non-Latin symbols according issue https://github.com/EdJoPaTo/grammy-inline-menu/issues/183
---
 source/keyboard.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/source/keyboard.ts b/source/keyboard.ts
index c78d7a9..1a79b9b 100644
--- a/source/keyboard.ts
+++ b/source/keyboard.ts
@@ -78,8 +78,9 @@ function renderRow(templates: readonly ButtonTemplate[], path: string): readonly
 
 function renderCallbackButtonTemplate(template: CallbackButtonTemplate, path: string): InlineKeyboardButton {
 	const absolutePath = combinePath(path, template.relativePath)
-	if (absolutePath.length > 64) {
-		throw new Error(`callback_data only supports 1-64 bytes. With this button (${template.relativePath}) it would get too long (${absolutePath.length}). Full path: ${absolutePath}`)
+	const absolutePathLength = Buffer.byteLength(absolutePath, 'utf-8')
+	if (absolutePathLength > 64) {
+		throw new Error(`callback_data only supports 1-64 bytes. With this button (${template.relativePath}) it would get too long (${absolutePathLength}). Full path: ${absolutePath}`)
 	}
 
 	return {