fix(serializer): inject provided top level links into JSON:API document

Author: DASPRiD

src/body.ts

@@ -15,7 +15,9 @@ export type JsonApiError = {
     meta?: Meta;
 };
 
-type TopLevelLinks = Links<"self" | "related" | "describedby" | "first" | "last" | "prev" | "next">;
+export type TopLevelLinks = Links<
+    "self" | "related" | "describedby" | "first" | "last" | "prev" | "next"
+>;
 
 type OptionalTopLevelMembers = {
     links?: TopLevelLinks;

src/serializer.ts

@@ -1,4 +1,4 @@
-import { JsonApiBody } from "./body.js";
+import { JsonApiBody, type TopLevelLinks } from "./body.js";
 import type {
     Attributes,
     Links,
@@ -99,7 +99,7 @@ export type SerializeManagerOptions<TContext = undefined, TSideloaded = undefine
     fields?: Record<string, string[]>;
     include?: string[];
     meta?: Meta;
-    links?: Links;
+    links?: TopLevelLinks;
     extensions?: string[];
     profiles?: string[];
     sideloaded?: TSideloaded;
@@ -178,6 +178,7 @@ export class SerializeManager<
             {
                 data,
                 meta: options?.meta,
+                links: options?.links,
                 included: included?.toJson(),
             },
             {