fix type

gatsbyjs · Jul 15, 2020 · 75b40c7 · 75b40c7
1 parent 3272f3e
commit 75b40c7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/gatsby/src/schema/types/derived-types.ts b/packages/gatsby/src/schema/types/derived-types.ts
@@ -51,7 +51,7 @@ const getDerivedTypes = ({
   typeComposer,
 }: {
   typeComposer: AllTypeComposer
-}): any => typeComposer.getExtension(`derivedTypes`) || new Set()
+}): Set<string> => typeComposer.getExtension(`derivedTypes`) || new Set()
 
 export const clearDerivedTypes = ({
   schemaComposer,