parseStringToType: handle when original input is already a bool

Author: clairep94

client/utils/parseStringToType.ts

@@ -26,25 +26,32 @@ export function parseNumber(
 }
 
 /**
- * Parses a case-insensitive string into a boolean.
+ * Parses a case-insensitive string into a boolean, or returns the original boolean.
  * - Returns `false` for nullish input if `nullishBool` is true.
  * - Returns `undefined` otherwise for nullish or unrecognized input.
  */
 export function parseBoolean(
-  str?: string,
+  input?: string | boolean,
   nullishBool = false
 ): boolean | undefined {
-  if (!str) {
+  // Handle nullish
+  if (input == null || input === '') {
     if (!isTestEnvironment) {
       console.warn('parseBoolean: got nullish input');
     }
     return nullishBool ? false : undefined;
   }
 
-  const lower = str.toLowerCase();
+  // Handle actual boolean
+  if (typeof input === 'boolean') {
+    return input;
+  }
+
+  // Handle string case
+  const lower = input.toLowerCase();
   if (lower === 'true') return true;
   if (lower === 'false') return false;
 
-  console.warn(`parseBoolean: expected 'true' or 'false', got "${str}"`);
+  console.warn(`parseBoolean: expected 'true' or 'false', got "${input}"`);
   return undefined;
 }