Don't break ternary with decimal numbers

chakra-core · Apr 15, 2024 · 2cd550c · 2cd550c
1 parent 0be5195
commit 2cd550c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/Parser/Scan.cpp b/lib/Parser/Scan.cpp
@@ -1783,6 +1783,11 @@ tokens Scanner<EncodingPolicy>::ScanCore(bool identifyKwds)
  }
  else if (m_scriptContext->GetConfig()->IsESOptionalChainingEnabled() && this->PeekFirst(p, last) == '.')
  {
+ // `a?.3:0` is actually a ternary operator containing the number `0.3`
+ bool isTernary = CharTypes::_C_DIG == this->charClassifier->GetCharType(this->PeekFirst(p + 1, last));
+ if (isTernary)
+ break;
+
  p++;
  token = tkOptChain;
  break;