feat: markdown support for rss

package.json

@@ -46,6 +46,7 @@
     "@types/unist": "^3.0.3",
     "astro": "^5.18.1",
     "astro-icon": "^1.1.5",
+    "markdown-it": "14.1.1",
     "marked": "^17.0.4",
     "marked-shiki": "^1.2.1",
     "mdast-util-to-string": "^4.0.0",
@@ -64,6 +65,7 @@
     "@eslint-react/eslint-plugin": "^2.13.0",
     "@tailwindcss/forms": "^0.5.11",
     "@tailwindcss/typography": "^0.5.19",
+    "@types/markdown-it": "14.1.2",
     "eslint": "^10.0.3",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-astro": "^1.6.0",

pnpm-lock.yaml

@@ -65,6 +65,9 @@ importers:
       astro-icon:
         specifier: ^1.1.5
         version: 1.1.5
+      markdown-it:
+        specifier: 14.1.1
+        version: 14.1.1
       marked:
         specifier: ^17.0.4
         version: 17.0.4
@@ -114,6 +117,9 @@ importers:
       '@tailwindcss/typography':
         specifier: ^0.5.19
         version: 0.5.19(tailwindcss@4.2.1)
+      '@types/markdown-it':
+        specifier: 14.1.2
+        version: 14.1.2
       eslint:
         specifier: ^10.0.3
         version: 10.0.3(jiti@2.6.1)
@@ -2132,9 +2138,18 @@ packages:
   '@types/json-schema@7.0.15':
     resolution: {integrity: sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==}
 
+  '@types/linkify-it@5.0.0':
+    resolution: {integrity: sha512-sVDA58zAw4eWAffKOaQH5/5j3XeayukzDk+ewSsnv3p4yJEZHCCzMDiZM8e0OUrRvmpGZ85jf4yDHkHsgBNr9Q==}
+
+  '@types/markdown-it@14.1.2':
+    resolution: {integrity: sha512-promo4eFwuiW+TfGxhi+0x3czqTYJkG8qB17ZUJiVF10Xm7NLVRSLUsfRTU/6h1e24VvRnXCx+hG7li58lkzog==}
+
   '@types/mdast@4.0.4':
     resolution: {integrity: sha512-kGaNbPh1k7AFzgpud/gMdvIm5xuECykRR+JnWKQno9TAXVa6WIVCGTPvYGekIDL4uwCZQSYbUxNBSb1aUo79oA==}
 
+  '@types/mdurl@2.0.0':
+    resolution: {integrity: sha512-RGdgjQUZba5p6QEFAVx2OGb8rQDL/cPRG7GiedRzMcJ1tYnUANBncjbSB1NRGwbvjcPeikRABz2nshyPk1bhWg==}
+
   '@types/ms@2.1.0':
     resolution: {integrity: sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA==}
 
@@ -3955,6 +3970,9 @@ packages:
   lines-and-columns@1.2.4:
     resolution: {integrity: sha512-7ylylesZQ/PV29jhEDl3Ufjo6ZX7gCqJr5F7PKrqc93v7fzSymt1BpwEU8nAUXs8qzzvqhbjhK5QZg6Mt/HkBg==}
 
+  linkify-it@5.0.0:
+    resolution: {integrity: sha512-5aHCbzQRADcdP+ATqnDuhhJ/MRIqDkZX5pyjFHRRysS8vZ5AbqGEoFIb6pYHPZ+L/OC2Lc+xT8uHVVR5CAK/wQ==}
+
   lit-element@4.2.2:
     resolution: {integrity: sha512-aFKhNToWxoyhkNDmWZwEva2SlQia+jfG0fjIWV//YeTaWrVnOxD89dPKfigCUspXFmjzOEUQpOkejH5Ly6sG0w==}
 
@@ -4028,6 +4046,10 @@ packages:
     resolution: {integrity: sha512-g3FeP20LNwhALb/6Cz6Dd4F2ngze0jz7tbzrD2wAV+o9FeNHe4rL+yK2md0J/fiSf1sa1ADhXqi5+oVwOM/eGw==}
     engines: {node: '>=8'}
 
+  markdown-it@14.1.1:
+    resolution: {integrity: sha512-BuU2qnTti9YKgK5N+IeMubp14ZUKUUw7yeJbkjtosvHiP0AZ5c8IAgEMk79D0eC8F23r4Ac/q8cAIFdm2FtyoA==}
+    hasBin: true
+
   markdown-table@3.0.4:
     resolution: {integrity: sha512-wiYz4+JrLyb/DqW2hkFJxP7Vd7JuTDm77fvbM8VfEQdmSMqcImWeeRbHwZjBjIFki/VaMK2BhFi7oUUZeM5bqw==}
 
@@ -4101,6 +4123,9 @@ packages:
   mdn-data@2.27.1:
     resolution: {integrity: sha512-9Yubnt3e8A0OKwxYSXyhLymGW4sCufcLG6VdiDdUGVkPhpqLxlvP5vl1983gQjJl3tqbrM731mjaZaP68AgosQ==}
 
+  mdurl@2.0.0:
+    resolution: {integrity: sha512-Lf+9+2r+Tdp5wXDXC4PcIBjTDtq4UKjCPMQhKIuzpJNW0b96kVqSwW0bT7FhRSfmAiFYgP+SCRvdrDozfh0U5w==}
+
   merge-stream@2.0.0:
     resolution: {integrity: sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==}
 
@@ -4843,6 +4868,10 @@ packages:
   pump@3.0.4:
     resolution: {integrity: sha512-VS7sjc6KR7e1ukRFhQSY5LM2uBWAUPiOPa/A3mkKmiMwSmRFUITt0xuj+/lesgnCv+dPIEYlkzrcyXgquIHMcA==}
 
+  punycode.js@2.3.1:
+    resolution: {integrity: sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==}
+    engines: {node: '>=6'}
+
   punycode@2.3.1:
     resolution: {integrity: sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==}
     engines: {node: '>=6'}
@@ -5478,6 +5507,9 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
+  uc.micro@2.1.0:
+    resolution: {integrity: sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==}
+
   ufo@1.6.3:
     resolution: {integrity: sha512-yDJTmhydvl5lJzBmy/hyOAA0d+aqCBuwl818haVdYCRrWV84o7YyeVm4QlVHStqNrrJSTb6jKuFAVqAFsr+K3Q==}
 
@@ -7982,10 +8014,19 @@ snapshots:
 
   '@types/json-schema@7.0.15': {}
 
+  '@types/linkify-it@5.0.0': {}
+
+  '@types/markdown-it@14.1.2':
+    dependencies:
+      '@types/linkify-it': 5.0.0
+      '@types/mdurl': 2.0.0
+
   '@types/mdast@4.0.4':
     dependencies:
       '@types/unist': 3.0.3
 
+  '@types/mdurl@2.0.0': {}
+
   '@types/ms@2.1.0': {}
 
   '@types/nlcst@2.0.3':
@@ -10356,6 +10397,10 @@ snapshots:
 
   lines-and-columns@1.2.4: {}
 
+  linkify-it@5.0.0:
+    dependencies:
+      uc.micro: 2.1.0
+
   lit-element@4.2.2:
     dependencies:
       '@lit-labs/ssr-dom-shim': 1.5.1
@@ -10434,6 +10479,15 @@ snapshots:
     dependencies:
       semver: 6.3.1
 
+  markdown-it@14.1.1:
+    dependencies:
+      argparse: 2.0.1
+      entities: 4.5.0
+      linkify-it: 5.0.0
+      mdurl: 2.0.0
+      punycode.js: 2.3.1
+      uc.micro: 2.1.0
+
   markdown-table@3.0.4: {}
 
   marked-shiki@1.2.1(marked@17.0.4)(shiki@4.0.2):
@@ -10580,6 +10634,8 @@ snapshots:
 
   mdn-data@2.27.1: {}
 
+  mdurl@2.0.0: {}
+
   merge-stream@2.0.0: {}
 
   merge2@1.4.1: {}
@@ -11427,6 +11483,8 @@ snapshots:
       end-of-stream: 1.4.5
       once: 1.4.0
 
+  punycode.js@2.3.1: {}
+
   punycode@2.3.1: {}
 
   quansync@0.2.11: {}
@@ -12253,6 +12311,8 @@ snapshots:
 
   typescript@5.9.3: {}
 
+  uc.micro@2.1.0: {}
+
   ufo@1.6.3: {}
 
   ultrahtml@1.6.0: {}

src/pages/rss.xml.ts

@@ -4,6 +4,8 @@ import rss, { type RSSFeedItem } from '@astrojs/rss';
 import type { APIContext } from 'astro';
 import { transform, walk } from 'ultrahtml';
 import sanitize from 'ultrahtml/transformers/sanitize';
+import MarkdownIt from 'markdown-it';
+
 import { readItems, readSingleton } from '@directus/sdk';
 
 import directus from '@lib/directus';
@@ -12,6 +14,8 @@ const global = await directus.request(readSingleton('site_global'));
 
 export async function GET(context: APIContext) {
   let baseUrl = context.site?.href || global.site_url;
+  const parser = new MarkdownIt();
+
   if (baseUrl.at(-1) === '/') {
     baseUrl = baseUrl.slice(0, -1);
   }
@@ -26,7 +30,7 @@ export async function GET(context: APIContext) {
 
   const feedItems: RSSFeedItem[] = [];
   for (const post of posts) {
-    const content = await transform(post.content.replace(/^<!DOCTYPE html>/, ''), [
+    const content = await transform(parser.render(post.content), [
       async (node) => {
         await walk(node, (node) => {
           if (node.name === 'a' && node.attributes.href?.startsWith('/')) {