only check once for the value of a boolean

Author: Janther

src/slang-utils/metadata.ts

@@ -99,20 +99,19 @@ export function getNodeMetadata(
     offset += textLength.utf16;
   }
 
-  const leadingOffset = enclosePeripheralComments
-    ? 0
-    : getLeadingOffset(children);
-  const trailingOffset = enclosePeripheralComments
-    ? 0
-    : getLeadingOffset(children.reverse());
-  const loc = {
-    start: initialOffset + leadingOffset,
-    end: offset - trailingOffset,
-    leadingOffset,
-    trailingOffset
+  const [leadingOffset, trailingOffset] = enclosePeripheralComments
+    ? [0, 0]
+    : [getLeadingOffset(children), getLeadingOffset(children.reverse())];
+
+  return {
+    comments,
+    loc: {
+      start: initialOffset + leadingOffset,
+      end: offset - trailingOffset,
+      leadingOffset,
+      trailingOffset
+    }
   };
-
-  return { comments, loc };
 }
 
 function collectComments(