Fix transform display of optional string literal (#134)

Author: mattjohnsonpint

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Add functions and example for accessing PostgreSQL [#119](https://github.com/hypermodeAI/functions-as/pull/119)
 - Make plugin version optional [#133](https://github.com/hypermodeAI/functions-as/pull/133)
+- Fix transform display of optional string literal [#134](https://github.com/hypermodeAI/functions-as/pull/134)
 
 ## 2024-07-10 - Version 0.9.4
 

src/transform/src/multiparam.ts

@@ -191,8 +191,10 @@ function getDefaultValue(param: ParameterNode): string | null {
     case NodeKind.Literal: {
       const literal = param.initializer as LiteralExpression;
       switch (literal.literalKind) {
-        case LiteralKind.String:
-          return (literal as StringLiteralExpression).value;
+        case LiteralKind.String: {
+          const value = (literal as StringLiteralExpression).value;
+          return JSON.stringify(value);
+        }
         case LiteralKind.Integer:
           return (literal as IntegerLiteralExpression).value.toString();
         case LiteralKind.Float: