From b3f5668da648a2004f98280a05a1db6bb92ad1c4 Mon Sep 17 00:00:00 2001
From: Sedat Kapanoglu <sedat@kapanoglu.com>
Date: Tue, 14 Jan 2025 12:33:06 -0800
Subject: [PATCH] improve language detection accuracy

---
 .../com/composer/select-language/SuggestedLanguage.tsx   | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/view/com/composer/select-language/SuggestedLanguage.tsx b/src/view/com/composer/select-language/SuggestedLanguage.tsx
index 472860a321..32513aeca3 100644
--- a/src/view/com/composer/select-language/SuggestedLanguage.tsx
+++ b/src/view/com/composer/select-language/SuggestedLanguage.tsx
@@ -33,7 +33,14 @@ export function SuggestedLanguage({text}: {text: string}) {
   const {_} = useLingui()
 
   useEffect(() => {
-    const textTrimmed = text.trim()
+    let textTrimmed = text.trim()
+
+    // remove the last word before guessing to prevent a half-written word 
+    // from botching the confidence of language detection.
+    const lastSpace = textTrimmed.lastIndexOf(' ')
+    if (lastSpace > 0) {
+      textTrimmed = textTrimmed.slice(0, lastSpace)
+    }
 
     // Don't run the language model on small posts, the results are likely
     // to be inaccurate anyway.