replace fastify-markdown with remark

lib/index.js

@@ -1,34 +1,39 @@
+import {createRequire} from 'module';
+import {unified} from 'unified'
+import remarkParse from 'remark-parse'
+import remarkRehype from 'remark-rehype'
+import rehypeStringify from 'rehype-stringify'
+import fs from 'fs'
+import path from 'path'
+
+const require = createRequire(import.meta.url);
+const __dirname = path.dirname(new URL(import.meta.url).pathname);
+
 const fastify = require('fastify');
 const fastifyView = require('@fastify/view');
-const fastifyMarkdown = require('fastify-markdown');
 const fastifyStatic = require('@fastify/static');
 const ejs = require('ejs');
-const fs = require('fs');
-const path = require('path');
 
 const staticsPath = path.join(__dirname, 'public');
 const viewsPath = path.join(__dirname, 'views');
 const homepagePath = path.join(__dirname, '..', 'HOMEPAGE.md');
+
+const processor = unified()
+  .use(remarkParse)
+  .use(remarkRehype)
+  .use(rehypeStringify)
+
 const homepageMD = fs.readFileSync(homepagePath, 'utf8');
+const homepageHTML = processor.processSync(homepageMD)
 
 const app = fastify({logger: true});
 
-app.register(fastifyView, {
-  engine: {ejs},
-  root: viewsPath,
-});
+app.register(fastifyView, { engine: {ejs}, root: viewsPath });
 
-app.register(fastifyMarkdown, {
-  src: false,
-});
-
-app.register(fastifyStatic, {
-  root: staticsPath,
-});
+app.register(fastifyStatic, { root: staticsPath });
 
 app.get('/', (req, reply) => {
-  const markdown = reply.markdown().parse(homepageMD);
-  reply.view('index.ejs', {markdown});
+  reply.view('index.ejs', {markdown: homepageHTML});
 });
 
 app.get('/invite', (req, reply) => {

package.json

@@ -19,7 +19,7 @@
       "require": "./lib/index.js"
     }
   },
-  "type": "commonjs",
+  "type": "module",
   "engines": {
     "node": ">=16"
   },
@@ -28,7 +28,10 @@
     "@fastify/view": "7.4.1",
     "ejs": "3.1.9",
     "fastify": "4.17.0",
-    "fastify-markdown": "0.4.0"
+    "unified": "10.1.2",
+    "remark-parse": "10.0.2",
+    "remark-rehype": "10.1.0",
+    "rehype-stringify": "9.0.3"
   },
   "devDependencies": {
     "c8": "7",