From f23b4e660b77f223f710789a86d75fcd0cb8deb6 Mon Sep 17 00:00:00 2001
From: akihiro17 <7583548+akihiro17@users.noreply.github.com>
Date: Tue, 28 May 2024 22:18:22 +0900
Subject: [PATCH] trailing comma in arrays

---
 src/modules/expression/literal/array.rs | 3 +++
 src/tests/validity.rs                   | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/modules/expression/literal/array.rs b/src/modules/expression/literal/array.rs
index c6138e2f..bbdd3374 100644
--- a/src/modules/expression/literal/array.rs
+++ b/src/modules/expression/literal/array.rs
@@ -50,6 +50,9 @@ impl SyntaxModule<ParserMetadata> for Array {
                     if token(meta, "[").is_ok() {
                         return error!(meta, tok, "Arrays cannot be nested due to the Bash limitations")
                     }
+                    if token(meta, "]").is_ok() {
+                        break;
+                    }
                     // Parse array value
                     let mut value = Expr::new();
                     syntax(meta, &mut value)?;
diff --git a/src/tests/validity.rs b/src/tests/validity.rs
index ea663a7f..60dbddd4 100644
--- a/src/tests/validity.rs
+++ b/src/tests/validity.rs
@@ -534,6 +534,15 @@ fn array_init() {
     test_amber!(code, "1 2 3 4 5");
 }
 
+#[test]
+fn array_init_with_trailing_comma() {
+    let code = "
+        let a = [1, 2, 3, 4, 5,]
+        echo a
+    ";
+    test_amber!(code, "1 2 3 4 5");
+}
+
 #[test]
 fn array_assign() {
     let code = "