From 56459bf68069f078f13899631c16236d6546167f Mon Sep 17 00:00:00 2001
From: Alexey Yerin <yyp@disroot.org>
Date: Mon, 10 May 2021 17:01:47 +0300
Subject: [PATCH] web: don't run translation on empty text

This was causing an error when submitting nothing.
---
 web.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/web.go b/web.go
index c9bd178..3c6d86e 100644
--- a/web.go
+++ b/web.go
@@ -24,6 +24,11 @@ func CreateWebHandler(tmpl *template.Template, settings *TranslateSettings) func
 		to := req.FormValue("to")
 		text := req.FormValue("text")
 
+		if text == "" {
+			tmpl.ExecuteTemplate(w, "index", indexPageData{Languages, from, to, text, ""})
+			return
+		}
+
 		translation, err := Translate(settings, from, to, text)
 		if err != nil {
 			writeError(w, 500, err)