Move registration of JSON merge patch to js-service-api (#549)

This way it can respect the body limit.

Author: AlexGodbehere

acs-configdb/lib/routes.js

@@ -1,7 +1,5 @@
 /*
- * ACS ConfigDB
- * Express routing
- * Copyright 2024 University of Sheffield AMRC
+ * Copyright (c) University of Sheffield AMRC 2025.
  */
 
 import url from "url";
@@ -28,8 +26,6 @@ export function routes (opts) {
         /* No fancy query-string parsing */
         app.set("query parser", "simple");
 
-        app.use(express.json({ type: "application/merge-patch+json" }));
-
         /* Serve the editor */
         const editor = url.fileURLToPath(new URL("../editor", import.meta.url));
         fplus.debug.log("editor", `Serving editor out of ${editor}.`);

lib/js-service-api/lib/webapi.js

@@ -1,7 +1,5 @@
 /*
- * Factory+ Service HTTP API
- * API framework class
- * Copyright 2024 University of Sheffield
+ * Copyright (c) University of Sheffield AMRC 2025.
  */
 
 import http from "http";
@@ -42,6 +40,7 @@ export class WebAPI {
             app.use(express.raw({ type: "*/*", limit: this.body_limit }));
         } else {
             app.use(express.json({ limit: this.body_limit, strict: false }));
+            app.use(express.json({ limit: this.body_limit, strict: false, type: "application/merge-patch+json" }));
         }
 
         /* Logging */