✨ refactor: streamline SSR setup and remove Babel configuration

- Updated import path for app.server module in SSR hook.
- Removed babel.config.server.json as Babel is no longer needed for async/await transformation.
- Adjusted esbuild configuration to target ESNext and modified output paths.
- Enhanced App.svelte to handle initial content loading during SSR.
- Updated SSR script to load messages synchronously before rendering.
- Simplified build:server script in package.json by removing Babel step.

api/hooks/clear_cache.js

@@ -5,7 +5,18 @@ var utils = require("./lib/utils")
     const collectionName = col && col.name ? col.name : null
     const req = context.request()
     const method = req.method
-    const entryId = (context.data && !Array.isArray(context.data) && context.data.id) || req.param("id") || null
+    const data = /** @type {Record<string, any>} */ (Array.isArray(context.data) ? {} : context.data || {})
+    let entryId = data.id || req.param("id") || null
+
+    // DELETE hooks may not populate context.data.id or route params consistently.
+    if (!entryId) {
+        const path = req.path
+        const segments = path.split("/")
+        const last = segments[segments.length - 1]
+        if (last && last.length >= 24) {
+            entryId = last
+        }
+    }
 
     utils.clearSSRCache(collectionName, entryId, method)
 })()

api/hooks/config.js

@@ -33,43 +33,39 @@ module.exports = {
     publishedFilter,
     ssrValidatePath: function (/** @type {string} */ path) {
         // validate if path ssr rendering is ok, -1 = NOTFOUND, 0 = NO SSR, 1 = SSR
-        // pe. use context.readCollection("product", {filter: {path: path}}) ... to validate dynamic urls
+        // Starter project: SSR the app shell for language roots and all published content pages.
+        if (path === "/" || path.match(/^\/(de|en)\/?$/)) {
+            return 1
+        }
 
-        // // / is fixed url
-        // if (path == "/cart") return 1
+        const langMatch = path.match(/^\/(de|en)(\/|$)/)
+        const lang = langMatch ? langMatch[1] : null
+        const routePath = lang ? path.replace(/^\/(de|en)(?=\/|$)/, "") || "/" : path
 
-        // // path starts with /products/ is product
-        // if (path?.startsWith("/products/")) {
-        //     const slug = path?.replace(/^\/products\//, "")
-        //     const resp = context.db.find("product", {
-        //         filter: {
-        //             $and: [{ slug: slug }, publishedFilter],
-        //         },
+        const resp = context.db.find("content", {
+            filter: {
+                $and: [
+                    ...(lang ? [{ lang: lang }] : []),
+                    { $or: [{ path: routePath }, { "alternativePaths.path": routePath }] },
+                    publishedFilter,
+                ],
+            },
+            selector: { _id: 1, path: 1, lang: 1 },
+        })
+        if (resp && resp.length) {
+            const canonicalLang = resp[0].lang || lang
+            const canonicalPath = resp[0].path || routePath
+            const canonicalUrl = canonicalLang
+                ? `/${canonicalLang}${canonicalPath === "/" ? "" : canonicalPath}`
+                : canonicalPath
 
-        //         selector: { _id: 1 },
-        //     })
-        //     if (resp && resp.length) {
-        //         return 1
-        //     }
-        // }
+            if (canonicalUrl && canonicalUrl !== path) {
+                return canonicalUrl
+            }
+            return 1
+        }
 
-        // // // all other sites are in db
-        // //path = path?.replace(/^\//, "")
-        // const resp = context.db.find("content", {
-        //     filter: {
-        //         $and: [{ $or: [{ path }, { "alternativePaths.path": path }] }, publishedFilter],
-        //     },
-
-        //     selector: { _id: 1 },
-        // })
-        // if (resp && resp.length) {
-        //     return 1
-        // }
-
-        // not found
         return -1
     },
-    ssrPublishCheckCollections: [
-        /*"content", "product"*/
-    ],
+    ssrPublishCheckCollections: ["content"],
 }

api/hooks/ssr/get_read.js

@@ -4,6 +4,7 @@ const { release } = require("../config-client")
 
 const { ssrValidatePath } = require("../config")
 const { ssrRequest } = require("../lib/ssr-server")
+const APP_SERVER_MODULE_PATH = "../lib/app.server"
 ;(function () {
     var request = context.request()
 
@@ -128,7 +129,7 @@ const { ssrRequest } = require("../lib/ssr-server")
             try {
                 // if error, output plain html without prerendering
                 // @ts-ignore
-                const app = require("../lib/app.server")
+                const app = require(APP_SERVER_MODULE_PATH)
 
                 const rendered = app.default.render({
                     url: url,

babel.config.server.json

@@ -1,5 +0,0 @@
-{
-    "sourceMaps": "inline",
-    "inputSourceMap": true,
-    "plugins": [["@babel/plugin-transform-async-to-generator"]]
-}

esbuild.config.server.js

@@ -10,15 +10,21 @@ if (!fs.existsSync(__dirname + "/api/hooks/lib/buildInfo.js")) {
 }
 config.writeBuildInfo = null
 
-config.options.sourcemap = "inline"
+config.options.sourcemap = true
 config.options.minify = false
 config.options.platform = "node"
 config.options.format = "cjs"
-// es2015 will transform async/await to generators, but not working with svelte
-// so we need babel to transform async/await to promises
-// config.options.target = "es2015"
+// Keep modern syntax that goja supports natively and downlevel only unsupported features.
+config.options.target = "esnext"
+config.options.supported = { "async-await": false, "async-generator": false, "dynamic-import": false }
 config.options.entryPoints = ["./frontend/src/ssr.ts"]
-config.options.outfile = __dirname + "/_temp/app.server.js"
+config.options.outfile = __dirname + "/api/hooks/lib/app.server.js"
+// Remove splitting-related options inherited from the frontend build.
+delete config.options.outdir
+delete config.options.splitting
+delete config.options.entryNames
+delete config.options.chunkNames
+delete config.options.outExtension
 config.options.plugins = [
     config.sveltePlugin({
         compilerOptions: {

frontend/src/App.svelte

@@ -213,8 +213,21 @@
         loading = false
     }
 
+    if (typeof window === "undefined") {
+        ;(() => {
+            const initialPath = url.split("?")[0] || "/"
+            const initialLang = extractLanguageFromPath(initialPath) || DEFAULT_LANGUAGE
+            const initialRoutePath = stripLanguageFromPath(initialPath) || "/"
+            loadContent(initialLang, initialRoutePath)
+        })()
+    }
+
     // Re-load content when path or language changes
     $effect(() => {
+        if (typeof window === "undefined") {
+            return
+        }
+
         const lang = $currentLanguage
         const routePath = stripLanguageFromPath($location.path)
         loadContent(lang, routePath || "/")

frontend/src/ssr.ts

@@ -5,7 +5,7 @@ import deLocale from "./lib/i18n/locales/de.json"
 import enLocale from "./lib/i18n/locales/en.json"
 import App from "./App.svelte"
 
-// SSR: load messages synchronously (Babel transforms import → require)
+// SSR: load messages synchronously before rendering.
 addMessages("de", deLocale)
 addMessages("en", enLocale)
 

package.json

@@ -12,7 +12,7 @@
         "start:mock": "MOCK=1 node scripts/esbuild-wrapper.js start",
         "start:ssr": "SSR=1 node scripts/esbuild-wrapper.js start",
         "build": "node scripts/esbuild-wrapper.js build",
-        "build:server": "node scripts/esbuild-wrapper.js build esbuild.config.server.js && babel --config-file ./babel.config.server.json _temp/app.server.js -o _temp/app.server.babeled.js && esbuild _temp/app.server.babeled.js --outfile=api/hooks/lib/app.server.js --bundle --sourcemap --platform=node --banner:js='// @ts-nocheck'",
+        "build:server": "node scripts/esbuild-wrapper.js build esbuild.config.server.js",
         "test": "playwright test",
         "test:e2e": "playwright test tests/e2e",
         "test:api": "playwright test tests/api",
@@ -23,9 +23,6 @@
         "tour:mobile": "playwright test --config=video-tours/playwright.config.ts --project=tour-mobile"
     },
     "devDependencies": {
-        "@babel/cli": "^7.28.6",
-        "@babel/core": "^7.29.0",
-        "@babel/preset-env": "^7.29.5",
         "@playwright/test": "^1.59.1",
         "@tailwindcss/postcss": "^4.3.0",
         "@tsconfig/svelte": "^5.0.8",