Refactor prettier-markdown utilities for improved error handling and consistency in quote usage

src/prettier-markdown/adapter-prettier-utils.js

@@ -53,7 +53,7 @@ if (!utils) {
       const hasSingle = str.includes("'");
       const hasDouble = str.includes('"');
       if (hasSingle && !hasDouble) return '"';
-      return "'";
+      return '"';
     },
   };
 }

src/prettier-markdown/parser-markdown.js

@@ -41,7 +41,6 @@ function createParse({ isMDX }) {
     return processor.runSync(processor.parse(text));
   };
 }
-}
 
 function noop() {}
 

src/prettier-markdown/utils.js

@@ -186,9 +186,17 @@ function getOrderedListItemInfo(orderListItem, options) {
     orderListItem.position.end.offset,
   );
 
-  const { numberText, leadingSpaces } = text.match(
+  const m = text.match(
     /^\s*(?<numberText>\d+)(\.|\))(?<leadingSpaces>\s*)/u,
-  ).groups;
+  );
+  
+  if (!m) {
+    throw new Error(
+      `Failed to parse ordered list item: expected pattern matching /^\\s*(?<numberText>\\d+)(\\.|\\))(?<leadingSpaces>\\s*)/u, but got: ${JSON.stringify(text)}`,
+    );
+  }
+  
+  const { numberText, leadingSpaces } = m.groups;
 
   return { number: Number(numberText), leadingSpaces };
 }