update mdx/terser config

lib/config.js

@@ -24,7 +24,6 @@ module.exports = {
   githubRepo: "jakejarvis/jarv.is",
   verifyGoogle: "qQhmLTwjNWYgQ7W42nSTq63xIrTch13X_11mmxBE9zk",
   verifyBing: "164551986DA47F7F6FC0D21A93FFFCA6",
-  verifyFacebook: "q45jxbgyp22ef55xror1pvbehisg9m",
   fathomSiteId: "WBGNQUKW",
   webmentionId: "jarv.is",
   giscusConfig: {

lib/parse-notes.ts

@@ -17,6 +17,7 @@ import rehypeSlug from "rehype-slug";
 // eslint-disable-next-line import/no-unresolved
 import rehypePrism from "rehype-prism-plus/common";
 
+import type { MinifyOptions } from "terser";
 import type { NoteMetaType, NoteType } from "../types";
 
 // returns all .mdx files in NOTES_DIR (without .mdx extension)
@@ -73,20 +74,23 @@ export const getNote = async (slug: string): Promise<NoteType> => {
     },
   });
 
-  // next-mdx-remote v4 doesn't (yet?) minify compiled JSX output, see:
+  // HACK: next-mdx-remote v4 doesn't (yet?) minify compiled JSX output, see:
   // https://github.com/hashicorp/next-mdx-remote/pull/211#issuecomment-1013658514
-  // ...so for now do it manually (and conservatively) with terser when building for production.
+  // ...so for now, let's do it manually (and conservatively) with terser when building for production.
+  const terserOptions: MinifyOptions = {
+    ecma: 2018,
+    module: true,
+    parse: {
+      bare_returns: true,
+    },
+    compress: {
+      defaults: true,
+    },
+    sourceMap: false,
+  };
   const compiledSource =
     process.env.NEXT_PUBLIC_VERCEL_ENV === "production"
-      ? (
-          await minify(source.compiledSource, {
-            ecma: 2018,
-            module: true,
-            parse: { bare_returns: true },
-            compress: { defaults: true },
-            sourceMap: false,
-          })
-        ).code
+      ? (await minify(source.compiledSource, terserOptions)).code
       : source.compiledSource;
 
   return {

lib/seo.ts

@@ -51,10 +51,6 @@ export const defaultSeo: DefaultSeoProps = {
       name: "msvalidate.01",
       content: config.verifyBing,
     },
-    {
-      name: "facebook-domain-verification",
-      content: config.verifyFacebook,
-    },
   ],
   additionalLinkTags: [
     {