fix deprecations

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [release]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
+
+      - uses: pnpm/action-setup@v6
+
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 24
+          cache: pnpm
+
+      - run: pnpm install --frozen-lockfile
+
+      - run: pnpm build

.github/workflows/hugo.yml → .github/workflows/deploy.yml

@@ -3,8 +3,6 @@ name: Deploy to GitHub Pages
 on:
   push:
     branches: [release]
-  pull_request:
-    types: [closed]
   workflow_dispatch:
 
 permissions:
@@ -21,39 +19,38 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version: 22
+          node-version: 24
           cache: pnpm
 
       - run: pnpm install --frozen-lockfile
 
       - name: Configure Pages
         id: pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
         with:
           enablement: true
 
       - run: pnpm build
         env:
           BASE_PATH: ${{ steps.pages.outputs.base_path }}
 
-      - uses: actions/upload-pages-artifact@v3
+      - uses: actions/upload-pages-artifact@v5
         with:
           path: dist
 
   deploy:
     name: Deploy
-    if: github.event_name != 'pull_request' || github.event.pull_request.merged == true
     needs: build
     runs-on: ubuntu-latest
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
       - id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5

astro.config.ts

@@ -1,13 +1,12 @@
 import fs from "node:fs";
 import mdx from "@astrojs/mdx";
+import { unified } from "@astrojs/markdown-remark";
 import sitemap from "@astrojs/sitemap";
-import tailwind from "@astrojs/tailwind";
-import expressiveCode from "astro-expressive-code";
+import tailwindcss from "@tailwindcss/vite";
 import icon from "astro-icon";
 import robotsTxt from "astro-robots-txt";
 import webmanifest from "astro-webmanifest";
 import { defineConfig } from "astro/config";
-import { expressiveCodeOptions } from "./src/site.config";
 import { siteConfig } from "./src/site.config";
 import partytown from "@astrojs/partytown";
 
@@ -42,11 +41,7 @@ export default defineConfig({
 				forward: ["dataLayer.push"],
 			},
 		}),
-		expressiveCode(expressiveCodeOptions),
 		icon(),
-		tailwind({
-			applyBaseStyles: false,
-		}),
 		sitemap({
 			changefreq: "weekly",
 			priority: 0.7,
@@ -90,34 +85,46 @@ export default defineConfig({
 		(await import("@playform/compress")).default(),
 	],
 	markdown: {
-		rehypePlugins: [
-			rehypeUnwrapImages,
-			[rehypeBasePath, { base: BASE_PATH }],
-			// rehype-katex must run before rehype-external-links so the latter
-			// doesn't rewrite anchors inside katex's emitted DOM.
-			rehypeKatex,
-			[
-				rehypeExternalLinks,
-				{
-					rel: ["nofollow, noreferrer"],
-					target: "_blank",
-				},
-			],
-		],
-		remarkPlugins: [remarkReadingTime, remarkDirective, remarkAdmonitions, remarkMath],
-		remarkRehype: {
-			footnoteLabelProperties: {
-				className: [""],
+		shikiConfig: {
+			themes: {
+				light: "min-light",
+				dark: "min-dark",
 			},
+			// defaultColor: false lets us control colors entirely via CSS vars
+			// tied to the site's [data-theme] toggle.
+			defaultColor: false,
+			wrap: false,
 		},
+		processor: unified({
+			remarkPlugins: [remarkReadingTime, remarkDirective, remarkAdmonitions, remarkMath],
+			rehypePlugins: [
+				rehypeUnwrapImages,
+				[rehypeBasePath, { base: BASE_PATH }],
+				// rehype-katex must run before rehype-external-links so the latter
+				// doesn't rewrite anchors inside katex's emitted DOM.
+				rehypeKatex,
+				[
+					rehypeExternalLinks,
+					{
+						rel: ["nofollow, noreferrer"],
+						target: "_blank",
+					},
+				],
+			],
+			remarkRehype: {
+				footnoteLabelProperties: {
+					className: [""],
+				},
+			},
+		}),
 	},
 	// https://docs.astro.build/en/guides/prefetch/
 	prefetch: true,
 	vite: {
 		optimizeDeps: {
 			exclude: ["@resvg/resvg-js"],
 		},
-		plugins: [rawFonts([".ttf", ".woff"])],
+		plugins: [tailwindcss(), rawFonts([".ttf", ".woff"])],
 	},
 });
 

package.json

@@ -12,24 +12,23 @@
 		"check": "astro check"
 	},
 	"dependencies": {
-		"@astrojs/mdx": "5.0.4",
+		"@astrojs/markdown-remark": "^7.2.0",
+		"@astrojs/mdx": "7.0.0",
 		"@astrojs/partytown": "^2.1.7",
 		"@astrojs/rss": "4.0.18",
-		"@astrojs/sitemap": "3.7.2",
-		"@astrojs/tailwind": "6.0.2",
+		"@astrojs/sitemap": "3.7.3",
 		"@fontsource-variable/inter": "^5.2.8",
 		"@fontsource-variable/jetbrains-mono": "^5.2.8",
 		"@fontsource-variable/newsreader": "^5.2.10",
 		"@playform/compress": "^0.2.3",
-		"astro": "6.3.1",
-		"astro-expressive-code": "^0.41.7",
+		"@tailwindcss/vite": "^4.3.1",
+		"astro": "7.0.0",
 		"astro-icon": "^1.1.5",
 		"astro-robots-txt": "^1.0.0",
-		"astro-seo-schema": "^5.2.0",
+		"astro-seo-schema": "^7.0.0",
 		"astro-webmanifest": "^1.0.0",
-		"cssnano": "^7.1.9",
 		"hastscript": "^9.0.1",
-		"katex": "^0.16.45",
+		"katex": "^0.17.0",
 		"mdast-util-directive": "^3.1.0",
 		"mdast-util-to-markdown": "^2.1.2",
 		"mdast-util-to-string": "^4.0.0",
@@ -40,9 +39,10 @@
 		"satori": "0.15.2",
 		"satori-html": "^0.3.2",
 		"schema-dts": "^1.1.5",
-		"sharp": "^0.34.5",
+		"sharp": "^0.35.2",
 		"unified": "^11.0.5",
-		"unist-util-visit": "^5.1.0"
+		"unist-util-visit": "^5.1.0",
+		"zod": "^4.4.3"
 	},
 	"devDependencies": {
 		"@astrojs/check": "^0.9.9",
@@ -53,17 +53,11 @@
 		"@types/mdast": "^4.0.4",
 		"autoprefixer": "^10.5.0",
 		"pagefind": "^1.5.2",
-		"prettier": "^3.8.3",
+		"prettier": "^3.8.4",
 		"prettier-plugin-astro": "0.14.1",
-		"prettier-plugin-tailwindcss": "^0.6.14",
 		"reading-time": "^1.5.0",
 		"rehype-unwrap-images": "^1.0.0",
-		"tailwindcss": "^3.4.19",
+		"tailwindcss": "^4.3.1",
 		"typescript": "^5.9.3"
-	},
-	"pnpm": {
-		"overrides": {
-			"sharp": "^0.34.5"
-		}
 	}
 }