From c342755736eb1f3715f9de3c5bc46f0341e102b7 Mon Sep 17 00:00:00 2001
From: Tien Do Nam <38380847+Tienisto@users.noreply.github.com>
Date: Sat, 22 Jun 2024 23:01:46 +0200
Subject: [PATCH] fix: analyze should respect linked translations (#228)

---
 slang/lib/src/runner/analyze.dart | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/slang/lib/src/runner/analyze.dart b/slang/lib/src/runner/analyze.dart
index fab27e32..6f702dd8 100644
--- a/slang/lib/src/runner/analyze.dart
+++ b/slang/lib/src/runner/analyze.dart
@@ -331,7 +331,18 @@ void _getUnusedTranslationsInSourceCodeRecursive({
       );
     } else {
       final translationCall = '$translateVar.${child.path}';
-      if (!sourceCode.contains(translationCall)) {
+      const linkedPrefix = r'${_root';
+
+      // We only need to check if the translateVar is not part of the linked string.
+      // Since most developers use the default "t" as translateVar,
+      // we can ignore the linked call because it is already covered by the translateVar.
+      final linkedCall = linkedPrefix.endsWith(translateVar)
+          ? null
+          : '$linkedPrefix.${child.path}';
+
+      final isUsed = sourceCode.contains(translationCall) ||
+          (linkedCall != null && sourceCode.contains(linkedCall));
+      if (!isUsed) {
         // add whole base node which is expected
         _addNodeRecursive(
           node: child,