feat: allow to pass custom findManyResolver & countResolver as config params to connection & pagination resolvers

relates #288

Author: nodkz

src/resolvers/connection.ts

@@ -23,6 +23,8 @@ export type ConnectionResolverOpts<TContext = any> = Omit<
   _ConnectionResolverOpts<TContext>,
   'countResolver' | 'findManyResolver' | 'sort'
 > & {
+  findManyResolver?: Resolver;
+  countResolver?: Resolver;
   countOpts?: CountResolverOpts;
   findManyOpts?: FindManyResolverOpts;
   sort?: _ConnectionSortMapOpts;
@@ -60,11 +62,11 @@ export function connection<TSource = any, TContext = any, TDoc extends Document
     };
   });
 
-  const { findManyOpts, countOpts, ...restOpts } = opts || {};
+  const { findManyOpts, countOpts, findManyResolver, countResolver, ...restOpts } = opts || {};
 
   return prepareConnectionResolver<any, any>(tc, {
-    findManyResolver: findMany(model, tc, findManyOpts),
-    countResolver: count(model, tc, countOpts),
+    findManyResolver: findManyResolver || findMany(model, tc, findManyOpts),
+    countResolver: countResolver || count(model, tc, countOpts),
     sort: sortConfigs,
     ...restOpts,
   });

src/resolvers/pagination.ts

@@ -12,6 +12,8 @@ export type PaginationResolverOpts = Omit<
   _PaginationResolverOpts,
   'countResolver' | 'findManyResolver'
 > & {
+  findManyResolver?: Resolver;
+  countResolver?: Resolver;
   countOpts?: CountResolverOpts;
   findManyOpts?: FindManyResolverOpts;
 };
@@ -21,10 +23,10 @@ export function pagination<TSource = any, TContext = any, TDoc extends Document
   tc: ObjectTypeComposer<TDoc, TContext> | InterfaceTypeComposer<TDoc, TContext>,
   opts?: PaginationResolverOpts
 ): Resolver<TSource, TContext, PaginationTArgs, TDoc> {
-  const { countOpts, findManyOpts, ...restOpts } = opts || {};
+  const { countOpts, findManyOpts, findManyResolver, countResolver, ...restOpts } = opts || {};
   const resolver = preparePaginationResolver<any, any>(tc, {
-    findManyResolver: findMany(model, tc, findManyOpts),
-    countResolver: count(model, tc, countOpts),
+    findManyResolver: findManyResolver || findMany(model, tc, findManyOpts),
+    countResolver: countResolver || count(model, tc, countOpts),
     ...restOpts,
   });
   return resolver;