Add Knip and improve project config

.github/workflows/ci.yml → .github/workflows/ci.yaml

@@ -9,8 +9,6 @@ on:
 env:
   ORIGIN: ${{ vars.ORIGIN }}
   RAILWAY_GIT_COMMIT_SHA: ${{ vars.RAILWAY_GIT_COMMIT_SHA }}
-  VIRALCARDS_API_KEY: ${{ secrets.VIRALCARDS_API_KEY }}
-  NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 permissions:
   contents: read
@@ -20,24 +18,28 @@ jobs:
   checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
-      - uses: pnpm/action-setup@v6
+      - uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6
         with:
           version: latest
 
-      - uses: actions/setup-node@v7
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7
         with:
           node-version: 'lts/*'
           registry-url: 'https://npm.pkg.github.com'
           cache: 'pnpm'
 
       - run: pnpm i --frozen-lockfile
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - run: pnpm run lint
 
       - run: pnpm build # Generate content collections prior to running `svelte-check`.
 
+      - run: pnpm knip --reporter github-actions
+
       - run: pnpm run check
 
       # - name: Install Playwright Chromium

knip.config.ts

@@ -0,0 +1,25 @@
+import type { KnipConfig } from 'knip';
+
+const mdsvexCompiler = (source: string) => {
+	// Ignore fenced examples because mdsvex does not execute their script tags.
+	const withoutCodeFences = source.replace(
+		/^ {0,3}(`{3,}|~{3,})[^\n]*\n[\s\S]*?^ {0,3}\1\s*$/gm,
+		''
+	);
+
+	return [...withoutCodeFences.matchAll(/<script(?:\s[^>]*)?>([\s\S]*?)<\/script>/gi)]
+		.map(([, script]) => script)
+		.join('\n');
+};
+
+const config = {
+	// These files are not all statically traceable through Vite and mdsvex configuration.
+	entry: ['content-collections.ts', 'src/lib/mdsvex/layouts/default.svelte', 'src/routes/**/*.md'],
+	project: ['*.{js,ts}', 'src/**/*.{js,ts,svelte,md,css}'],
+	compilers: {
+		md: mdsvexCompiler
+	},
+	treatConfigHintsAsErrors: true
+} satisfies KnipConfig;
+
+export default config;

package.json

@@ -12,6 +12,7 @@
 		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
 		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
 		"lint": "prettier --check . && eslint .",
+		"knip": "svelte-kit sync && knip",
 		"format": "prettier --write ."
 	},
 	"devDependencies": {
@@ -38,13 +39,14 @@
 		"eslint": "^10.8.0",
 		"eslint-config-prettier": "^10.1.8",
 		"eslint-plugin-svelte": "^3.22.0",
-		"globals": "^17.8.0",
+		"globals": "^17.9.0",
+		"knip": "^6.31.0",
 		"mdsvex": "^0.12.8",
 		"prettier": "^3.9.6",
 		"prettier-plugin-svelte": "^4.1.1",
 		"prettier-plugin-tailwindcss": "^0.8.1",
 		"shiki": "^4.4.1",
-		"simple-icons": "^16.27.1",
+		"simple-icons": "^16.28.0",
 		"svelte": "^5.56.8",
 		"svelte-check": "^4.7.4",
 		"sveltekit-embed": "^0.0.22",