fix: spelling of ExtendedJSONTypes

Author: thetutlage

src/types.ts

@@ -117,7 +117,7 @@ export type SerializeJSONObject<T> = {
  * }
  * ```
  */
-export interface ExtendJSONTypes {}
+export interface ExtendedJSONTypes {}
 
 /**
  * Types that are not allowed in JSON serialization by default.
@@ -130,8 +130,8 @@ export type NonAllowedJSTypes = Map<any, any> | Set<any>
  * interface extension point.
  */
 export type ForcefullyAllowedTypes = {
-  [K in keyof ExtendJSONTypes]: ExtendJSONTypes[K]
-}[keyof ExtendJSONTypes]
+  [K in keyof ExtendedJSONTypes]: ExtendedJSONTypes[K]
+}[keyof ExtendedJSONTypes]
 
 /**
  * Helper type to recursively serialize types, handling primitives, arrays, and objects.

tests/types.spec.ts

@@ -22,7 +22,7 @@ import { ProfileTransformer } from './fixtures/transformers/profile.ts'
 import { type InferVariants, type InferData, type ResourceData } from '../src/types.ts'
 
 declare module '../src/types.ts' {
-  interface ExtendJSONTypes {
+  interface ExtendedJSONTypes {
     bigInt: BigInt
   }
 }