LibJS: Allow patterns in parenthesized arrow function parameters

1 files changed, 3 insertions, 1 deletions

diff --git a/Userland/Libraries/LibJS/Parser.cpp b/Userland/Libraries/LibJS/Parser.cpp
index 624846154c..63c86d214f 100644
--- a/Userland/Libraries/LibJS/Parser.cpp
+++ b/Userland/Libraries/LibJS/Parser.cpp
@@ -645,7 +645,9 @@ Parser::PrimaryExpressionParseResult Parser::parse_primary_expression()
     case TokenType::ParenOpen: {
         auto paren_position = position();
         consume(TokenType::ParenOpen);
-        if ((match(TokenType::ParenClose) || match(TokenType::Identifier) || match(TokenType::TripleDot)) && !try_parse_arrow_function_expression_failed_at_position(paren_position)) {
+        if ((match(TokenType::ParenClose) || match(TokenType::Identifier) || match(TokenType::TripleDot) || match(TokenType::CurlyOpen) || match(TokenType::BracketOpen))
+            && !try_parse_arrow_function_expression_failed_at_position(paren_position)) {
+
             auto arrow_function_result = try_parse_arrow_function_expression(true);
             if (!arrow_function_result.is_null())
                 return { arrow_function_result.release_nonnull() };