Fix: reintroduce smoke tests across example projects (withastro#3669)

* chore: update smoke tests

* chore: bump smoke tests to node@16

* chore: remove gitmodules

* chore(ci): prefer node@14

* wip: remove path from smoke clone step

* feat: run build:examples from test:smoke

* fix: remove no-frozen-lockfile

* fix: checkout monorepo last for pnpm setup

* wip: replace @astrojs/markdown/remark import from md

* fix: remove type defs from generated file

* fix: function order

* chore: remove ssr-utils export

* wip: remove windows from smoke test

* fix: instantiate slugger in snippet

* fix: exclude with-mdx from smoke (for now)

* fix: add quotes on filter flag for safety

* chore: changeset

* wip: try reintroducing windows smoke

* sad chore: remove client: directive from with-mdx

* Revert "wip: try reintroducing windows smoke"

This reverts commit 9529b1a.

Co-authored-by: Nate Moore <nate@astro.build>
Co-authored-by: bholmesdev <hey@bholmes.dev>

package.json

@@ -108,6 +108,7 @@
     "estree-walker": "^3.0.1",
     "execa": "^6.1.0",
     "fast-glob": "^3.2.11",
+    "github-slugger": "^1.4.0",
     "gray-matter": "^4.0.3",
     "html-entities": "^2.3.3",
     "html-escaper": "^3.0.3",

src/vite-plugin-markdown/index.ts

@@ -161,12 +161,17 @@ export default function markdown({ config }: AstroPluginOptions): Plugin {
 				const { layout = '', components = '', setup = '', ...content } = frontmatter;
 				content.astro = metadata;
 				const prelude = `---
-import { slug as $$slug } from '@astrojs/markdown-remark/ssr-utils';
+import Slugger from 'github-slugger';
 ${layout ? `import Layout from '${layout}';` : ''}
 ${components ? `import * from '${components}';` : ''}
 ${hasInjectedScript ? `import '${PAGE_SSR_SCRIPT_ID}';` : ''}
 ${setup}
 
+const slugger = new Slugger();
+function $$slug(value) {
+	return slugger.slug(value);
+}
+
 const $$content = ${JSON.stringify(content)}
 ---`;
 				const imports = `${layout ? `import Layout from '${layout}';` : ''}