Replace negotiator with @hapi/accept

Author: blakeembrey

package-lock.json

@@ -93,9 +93,8 @@
     "typescript": "^3.7.4"
   },
   "dependencies": {
+    "@hapi/accept": "^5.0.1",
     "@types/escape-html": "^1.0.0",
-    "@types/negotiator": "^0.6.1",
-    "escape-html": "^1.0.3",
-    "negotiator": "^0.6.2"
+    "escape-html": "^1.0.3"
   }
 }

package.json

@@ -1,4 +1,4 @@
-import Negotiator from "negotiator";
+import { mediaType } from "@hapi/accept";
 import escapeHTML from "escape-html";
 
 /**
@@ -90,13 +90,10 @@ function renderJSON(req: Request, output: Output) {
  * Render HTTP response.
  */
 function render(req: Request, output: Output) {
-  const negotiator = new Negotiator({
-    headers: {
-      accept: req.headers.get("accept") || undefined,
-    },
-  });
-
-  const type = negotiator.mediaType(["text/html", "application/json"]);
+  const type = mediaType(req.headers.get("accept") || "", [
+    "text/html",
+    "application/json",
+  ]);
   if (type === "text/html") return renderHTML(req, output);
   return renderJSON(req, output);
 }