Update template function to handle formatting

Co-authored-by: Benjie <benjie@jemjie.com>

Author: 2 people

src/utilities/getIntrospectionQuery.ts

@@ -90,16 +90,18 @@ export function getIntrospectionQuery(options?: IntrospectionOptions): string {
     return optionsWithDefault.experimentalDirectiveDeprecation ? str : '';
   }
   const oneOf = optionsWithDefault.oneOf ? 'isOneOf' : '';
-  function ofType(level = 9): string {
+  function ofType(level: number, indent: string): string {
     if (level <= 0) {
       return '';
     }
+    if (level > 100) {
+      throw new Error("Please set typeDepth to a reasonable value; the default is 9.");
+    }
     return `
-            ofType {
-              name
-              kind
-              ${ofType(level - 1)}
-            }`;
+${indent}ofType {
+${indent}  name
+${indent}  kind${ofType(level - 1, indent + "  ")}
+${indent}}`;
   }
 
   return `
@@ -174,8 +176,7 @@ export function getIntrospectionQuery(options?: IntrospectionOptions): string {
 
     fragment TypeRef on __Type {
       kind
-      name
-      ${ofType(optionsWithDefault.typeDepth)}
+      name${ofType(optionsWithDefault.typeDepth ?? 9, "      ")}
     }
   `;
 }