From c98b23ee727789c7d529c5ed88c7f84437d3ddd8 Mon Sep 17 00:00:00 2001
From: Cohee <18619528+Cohee1207@users.noreply.github.com>
Date: Sat, 2 Dec 2023 19:08:21 +0200
Subject: [PATCH] #1405 Don't add formality for unsupported languages

---
 src/translate.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/translate.js b/src/translate.js
index f2f6e3cd9..567d97054 100644
--- a/src/translate.js
+++ b/src/translate.js
@@ -119,7 +119,11 @@ function registerEndpoints(app, jsonParser) {
         const params = new URLSearchParams();
         params.append('text', text);
         params.append('target_lang', lang);
-        params.append('formality', formality);
+
+        if (['de', 'fr', 'it', 'es', 'nl', 'ja', 'ru'].includes(lang)) {
+            // We don't specify a Portuguese variant, so ignore formality for it.
+            params.append('formality', formality);
+        }
 
         try {
             const result = await fetch('https://api-free.deepl.com/v2/translate', {