build: add sitemap:manifest script for cloudflare-deploy workflow

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jaysin586

docs/package.json

@@ -11,7 +11,8 @@
         "dev": "vite dev",
         "format": "prettier --write .",
         "lint": "prettier --check . && eslint .",
-        "preview": "vite preview"
+        "preview": "vite preview",
+        "sitemap:manifest": "node ./scripts/generate-sitemap-manifest.mjs"
     },
     "dependencies": {
         "@humanspeak/svelte-markdown": "^1.4.1",
@@ -26,12 +27,12 @@
         "prettier": "^3.8.2",
         "prettier-plugin-svelte": "^3.5.1",
         "prettier-plugin-tailwindcss": "^0.7.2",
-        "svelte": "^5.55.3",
+        "svelte": "^5.55.4",
         "svelte-check": "^4.4.6",
         "tailwindcss": "^4.2.2",
         "typescript": "^6.0.2",
         "vite": "^8.0.8",
-        "wrangler": "^4.81.1"
+        "wrangler": "^4.82.2"
     },
     "volta": {
         "node": "24.13.0"

docs/scripts/generate-sitemap-manifest.mjs

@@ -0,0 +1,44 @@
+import { readdir, stat, writeFile } from 'node:fs/promises'
+import { join, resolve as resolvePath } from 'node:path'
+
+const ROOT = resolvePath(process.cwd(), 'src', 'routes')
+
+/** Convert a +page file path to a route path */
+function toRoutePath(file) {
+    let p = file.replace(ROOT, '')
+    p = p.replace(/\/\+page\.(svelte|svx|md)$/i, '')
+    return p === '' ? '/' : p
+}
+
+/** Recursively find +page files */
+async function findPageFiles(dir, out = []) {
+    const entries = await readdir(dir, { withFileTypes: true })
+    for (const e of entries) {
+        const full = join(dir, e.name)
+        if (e.isDirectory()) {
+            await findPageFiles(full, out)
+        } else if (/\+page\.(svelte|svx|md)$/i.test(e.name)) {
+            out.push(full)
+        }
+    }
+    return out
+}
+
+async function main() {
+    const files = await findPageFiles(ROOT)
+    const manifest = {}
+    for (const file of files) {
+        const s = await stat(file)
+        const route = toRoutePath(file)
+        manifest[route] = new Date(s.mtimeMs).toISOString().slice(0, 10)
+    }
+
+    const dest = resolvePath(process.cwd(), 'src', 'lib', 'sitemap-manifest.json')
+    await writeFile(dest, JSON.stringify(manifest, null, 2) + '\n', 'utf8')
+    console.log(`Sitemap manifest written to ${dest}`)
+}
+
+main().catch((err) => {
+    console.error(err)
+    process.exit(1)
+})