Set up content layer

apps/panoramablick-saalbach.at/app/app.vue

@@ -1,5 +1,3 @@
 <template>
-  <div>
-    <HelloWorld />
-  </div>
+  <NuxtPage/>
 </template>

apps/panoramablick-saalbach.at/app/pages/[locale]/[variant]/[...all].vue

@@ -0,0 +1,9 @@
+<script setup lang="ts">
+
+</script>
+
+<template>
+  <LocaleSwitcher/>
+  <br/>
+  <VariantSwitcher/>
+</template>

apps/panoramablick-saalbach.at/nuxt.config.ts

@@ -2,5 +2,5 @@
 export default defineNuxtConfig({
   compatibilityDate: '2025-07-15',
   devtools: { enabled: true },
-  extends: [ '@layers/base' ]
+  extends: [ '@layers/content' ]
 })

apps/panoramablick-saalbach.at/package.json

@@ -13,6 +13,6 @@
     "nuxt": "^4.1.2",
     "vue": "^3.5.22",
     "vue-router": "^4.5.1",
-    "@layers/base": "workspace:0.0.0"
+    "@layers/content": "workspace:0.0.0"
   }
 }

packages/layers/base/app.config.ts

@@ -1,14 +0,0 @@
-export default defineAppConfig({
-  myLayer: {
-    name: 'Hello from Nuxt layer'
-  }
-})
-
-declare module '@nuxt/schema' {
-  interface AppConfigInput {
-    myLayer?: {
-      /** Project name */
-      name?: string
-    }
-  }
-}

packages/layers/base/components/HelloWorld.vue

@@ -1,10 +0,0 @@
-<script setup lang="ts">
-const { myLayer } = useAppConfig()
-</script>
-
-<template>
-  <div>
-    <h1>Hello World!</h1>
-    <pre>{{ myLayer }}</pre>
-  </div>
-</template>

packages/layers/content/.playground/app.vue

@@ -1,3 +1,3 @@
 <template>
-  <HelloWorld />
+  <NuxtPage/>
 </template>

packages/layers/content/.playground/pages/[locale]/[variant]/[...all].vue

@@ -0,0 +1,14 @@
+<script setup lang="ts">
+const { locale, locales, variant, variants, c } = useContent()
+</script>
+
+<template>
+  <p>locale {{ locale }}</p>
+  <p>locales {{ locales }}</p>
+  <p>variant {{ variant }}</p>
+  <p>variants {{ variants }}</p>
+  <LocaleSwitcher/>
+  <br/>
+  <VariantSwitcher/>
+  <p>{{ c.cookies.title }}</p>
+</template>

packages/layers/content/app.config.ts

@@ -0,0 +1,24 @@
+export default defineAppConfig({
+  content: {
+    defaultLocale: 'de',
+    locales: [
+      {code: 'de', name: {'de': 'Deutsch', 'en': 'German'}},
+      {code: 'en', name: {'de': 'Englisch', 'en': 'English'}},
+    ],
+    defaultVariant: 'summer',
+    variants: [
+      {code: 'summer', name: {'de': 'Sommer', 'en': 'Summer'}, icon: 'i-lucide-sun'},
+      {code: 'winter', name: {'de': 'Winter', 'en': 'Winter'}, icon: 'i-lucide-snowflake'}
+    ],
+    cookieMaxAge: 60 * 60 * 24 * 365
+  }
+})
+
+declare module '@nuxt/schema' {
+  interface AppConfigInput {
+    myLayer?: {
+      /** Project name */
+      name?: string
+    }
+  }
+}

packages/layers/content/assets/content.yaml

@@ -0,0 +1,7 @@
+cookies:
+  title:
+    de: "Ihre Privatsphäre ist uns wichtig"
+    en: "We value your privacy"
+  description:
+    de: "Wir verwenden keine Tracking-Cookies. Genießen Sie Ihren Aufenthalt auf unserer Website!"
+    en: "We do not use any tracking cookies. Enjoy your stay on our website!"

packages/layers/content/components/LocaleSwitcher.vue

@@ -0,0 +1,10 @@
+<script setup lang="ts">
+const { locale, locales, matrixPath } = useContent()
+const candidates = computed(() => locales.filter(l => l !== locale.value))
+</script>
+
+<template>
+  <NuxtLink v-for="candidate in candidates" :key="candidate" :to="matrixPath({locale: candidate})">
+    {{ candidate.toUpperCase() }}
+  </NuxtLink>
+</template>

packages/layers/content/components/VariantSwitcher.vue

@@ -0,0 +1,10 @@
+<script setup lang="ts">
+const { variant, variants, matrixPath } = useContent()
+const candidates = computed(() => variants.filter(v => v !== variant.value))
+</script>
+
+<template>
+  <NuxtLink v-for="candidate in candidates" :key="candidate" :to="matrixPath({variant: candidate})">
+    {{ candidate.toUpperCase() }}
+  </NuxtLink>
+</template>

packages/layers/content/composables/useContent.ts

@@ -0,0 +1,171 @@
+import { computed } from 'vue'
+import { useRoute } from '#app'
+import content from '~/assets/content.yaml'
+
+const specializations: Record<string, object> = {}
+
+function buildSpecialization(locale: string, variant: string): object {
+  const config = useAppConfig()
+  const locales = config.content.locales.map(l => l.code)
+  const variants = config.content.variants.map(v => v.code)
+  const allTags = new Set([...locales, ...variants])
+
+  function split(key: string): {base?: string; tags: string[]} {
+    const parts = key.split('@')
+
+    if (allTags.has(parts[0])) {
+      return {base: undefined, tags: parts}
+    }
+
+    return {base: parts[0], tags: parts.slice(1)}
+  }
+
+  function relevant(tags: string[]): boolean {
+    if (tags.length < 1) {
+      return true
+    }
+
+    for (const tag of tags) {
+      if (tag !== locale && tag !== variant) {
+        return false
+      }
+    }
+
+    return true
+  }
+
+  function filterObject(object: any): any {
+    if (Array.isArray(object)) {
+      return object.map(e => filterObject(e)).filter(e => e !== undefined)
+    }
+
+    if (typeof object !== 'object') {
+      return object
+    }
+
+    const copy: Record<string, any> = {}
+    let anonymous: [number, any][] = []
+
+    for (const key in object) {
+      const {base, tags} = split(key)
+
+      if (!relevant(tags)) {
+        continue
+      }
+
+      const value = filterObject(object[key])
+
+      if (base === undefined) {
+        anonymous.push([tags.length, value])
+      } else {
+        copy[base] = value
+      }
+    }
+
+    if (Object.keys(copy).length > 0 && anonymous.length > 0) {
+      console.warn(`Invalid mixing of keys in object ${object}`)
+    }
+
+    if (Object.keys(copy).length > 0) {
+      return copy
+    }
+
+    anonymous.sort((a, b) => b[0] - a[0])
+
+    if (anonymous[0][0] > 2) {
+      console.warn(`More than two tags per key in object ${object}`)
+    }
+
+    return anonymous[0][1]
+  }
+
+  return filterObject(content)
+}
+
+function getSpecialization(locale: string, variant: string): object {
+  const key = locale + '/' + variant
+
+  if (!(key in specializations)) {
+    specializations[key] = buildSpecialization(locale, variant)
+  }
+
+  return specializations[key]
+}
+
+export function useContent() {
+  const config = useAppConfig()
+  const route = useRoute()
+  console.log("miau")
+  console.log(route)
+
+  const locales = config.content.locales.map(l => l.code)
+  const variants = config.content.variants.map(v => v.code)
+
+  const localeCookie = useCookie<string>('locale', {
+    sameSite: 'lax',
+    maxAge: config.content.cookieMaxAge
+  })
+
+  const variantCookie = useCookie<string>('variant', {
+    sameSite: 'lax',
+    maxAge: config.content.cookieMaxAge
+  })
+
+  const currentLocale = computed<string>(() => route.params.locale || localeCookie.value || config.content.defaultLocale)
+  const currentVariant = computed<string>(() => route.params.variant || variantCookie.value || config.content.defaultVariant)
+
+  function preferLocale(locale: string) {
+    if (locale in locales) {
+      localeCookie.value = locale
+    }
+  }
+
+  function preferVariant(variant: string) {
+    if (variant in variants) {
+      variantCookie.value = variant
+    }
+  }
+
+  function matrixPath(options: { page?: string; anchor?: string; locale?: string; variant?: string }): string {
+    let prefix: string[] = []
+
+    const showLocale = locales.length > 1
+    const showVariant = variants.length > 1
+
+    if (showLocale) {
+      prefix.push(options.locale ?? currentLocale.value)
+    }
+
+    if (showVariant) {
+      prefix.push(options.variant ?? currentVariant.value)
+    }
+
+    // TODO preserve anchor when taking route.path
+    let page = (options.page ?? route.path).split('/').filter(Boolean)
+
+    if (!options.page) {
+      page = page.slice([showLocale, showVariant].filter(Boolean).length)
+    }
+
+    const base = '/' + [...prefix, ...page].join('/')
+    return options.anchor ? `${base}#${options.anchor}` : base
+  }
+
+  function p(page: string, anchor?: string): string {
+    return matrixPath({page: page, anchor: anchor})
+  }
+
+  const specialization = computed<any>(() => getSpecialization(currentLocale.value, currentVariant.value))
+
+  return {
+    locale: currentLocale,
+    locales: locales,
+    preferLocale: preferLocale,
+    variant: currentVariant,
+    variants: variants,
+    preferVariant: preferVariant,
+    matrixPath: matrixPath,
+    p: p,
+    c: specialization,
+  }
+}

packages/layers/content/nuxt.config.ts

@@ -1,4 +1,10 @@
 // https://nuxt.com/docs/api/configuration/nuxt-config
+
+import yaml from '@rollup/plugin-yaml'
+
 export default defineNuxtConfig({
   devtools: { enabled: true },
+  vite: {
+    plugins: [ yaml() ]
+  }
 })

packages/layers/content/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@layers/base",
+  "name": "@layers/content",
   "type": "module",
   "version": "0.0.0",
   "main": "./nuxt.config.ts",
@@ -11,8 +11,12 @@
     "preview": "nuxt preview .playground",
     "lint": "eslint ."
   },
+  "dependencies": {
+    "vue-router": "^4.5.1"
+  },
   "devDependencies": {
     "@nuxt/eslint": "latest",
+    "@rollup/plugin-yaml": "^4.1.2",
     "eslint": "^9.36.0",
     "nuxt": "^4.1.2",
     "typescript": "^5.9.2",

pnpm-lock.yaml

@@ -20,9 +20,9 @@ importers:
 
   apps/panoramablick-saalbach.at:
     dependencies:
-      '@layers/base':
+      '@layers/content':
         specifier: workspace:0.0.0
-        version: link:../../packages/layers/base
+        version: link:../../packages/layers/content
       nuxt:
         specifier: ^4.1.2
         version: 4.1.2(@parcel/watcher@2.5.1)(@types/node@22.15.3)(@vue/compiler-sfc@3.5.22)(db0@0.3.4)(eslint@9.37.0(jiti@2.6.1))(ioredis@5.8.0)(magicast@0.3.5)(optionator@0.9.4)(rollup@4.52.4)(terser@5.44.0)(typescript@5.9.2)(vite@7.1.9(@types/node@22.15.3)(jiti@2.6.1)(terser@5.44.0)(yaml@2.8.1))(yaml@2.8.1)
@@ -33,11 +33,18 @@ importers:
         specifier: ^4.5.1
         version: 4.5.1(vue@3.5.22(typescript@5.9.2))
 
-  packages/layers/base:
+  packages/layers/content:
+    dependencies:
+      vue-router:
+        specifier: ^4.5.1
+        version: 4.5.1(vue@3.5.22(typescript@5.9.2))
     devDependencies:
       '@nuxt/eslint':
         specifier: latest
         version: 1.9.0(@typescript-eslint/utils@8.40.0(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.2))(@vue/compiler-sfc@3.5.22)(eslint@9.37.0(jiti@2.6.1))(magicast@0.3.5)(typescript@5.9.2)(vite@7.1.9(@types/node@22.15.3)(jiti@2.6.1)(terser@5.44.0)(yaml@2.8.1))
+      '@rollup/plugin-yaml':
+        specifier: ^4.1.2
+        version: 4.1.2(rollup@4.52.4)
       eslint:
         specifier: ^9.36.0
         version: 9.37.0(jiti@2.6.1)
@@ -1025,6 +1032,15 @@ packages:
       rollup:
         optional: true
 
+  '@rollup/plugin-yaml@4.1.2':
+    resolution: {integrity: sha512-RpupciIeZMUqhgFE97ba0s98mOFS7CWzN3EJNhJkqSv9XLlWYtwVdtE6cDw6ASOF/sZVFS7kRJXftaqM2Vakdw==}
+    engines: {node: '>=14.0.0'}
+    peerDependencies:
+      rollup: ^1.20.0||^2.0.0||^3.0.0||^4.0.0
+    peerDependenciesMeta:
+      rollup:
+        optional: true
+
   '@rollup/pluginutils@5.3.0':
     resolution: {integrity: sha512-5EdhGZtnu3V88ces7s53hhfK5KSASnJZv8Lulpc04cWO3REESroJXg73DFsOmgbU2BhwV0E20bu2IDZb3VKW4Q==}
     engines: {node: '>=14.0.0'}
@@ -3464,6 +3480,10 @@ packages:
     resolution: {integrity: sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==}
     engines: {node: '>=0.6'}
 
+  tosource@2.0.0-alpha.3:
+    resolution: {integrity: sha512-KAB2lrSS48y91MzFPFuDg4hLbvDiyTjOVgaK7Erw+5AmZXNq4sFRVn8r6yxSLuNs15PaokrDRpS61ERY9uZOug==}
+    engines: {node: '>=10'}
+
   totalist@3.0.1:
     resolution: {integrity: sha512-sf4i37nQ2LBx4m3wB74y+ubopq6W/dIzXg0FDGjsYnZHVa1Da8FH853wlL2gtUhg+xJXjfk3kUZS3BRoQeoQBQ==}
     engines: {node: '>=6'}
@@ -4516,7 +4536,7 @@ snapshots:
 
   '@nuxt/eslint-plugin@1.9.0(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.2)':
     dependencies:
-      '@typescript-eslint/types': 8.40.0
+      '@typescript-eslint/types': 8.45.0
       '@typescript-eslint/utils': 8.40.0(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.2)
       eslint: 9.37.0(jiti@2.6.1)
     transitivePeerDependencies:
@@ -4974,6 +4994,14 @@ snapshots:
     optionalDependencies:
       rollup: 4.52.4
 
+  '@rollup/plugin-yaml@4.1.2(rollup@4.52.4)':
+    dependencies:
+      '@rollup/pluginutils': 5.3.0(rollup@4.52.4)
+      js-yaml: 4.1.0
+      tosource: 2.0.0-alpha.3
+    optionalDependencies:
+      rollup: 4.52.4
+
   '@rollup/pluginutils@5.3.0(rollup@4.52.4)':
     dependencies:
       '@types/estree': 1.0.8
@@ -5116,7 +5144,7 @@ snapshots:
   '@typescript-eslint/project-service@8.40.0(typescript@5.9.2)':
     dependencies:
       '@typescript-eslint/tsconfig-utils': 8.40.0(typescript@5.9.2)
-      '@typescript-eslint/types': 8.40.0
+      '@typescript-eslint/types': 8.45.0
       debug: 4.4.1
       typescript: 5.9.2
     transitivePeerDependencies:
@@ -5936,14 +5964,14 @@ snapshots:
   eslint-plugin-import-lite@0.3.0(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.2):
     dependencies:
       '@eslint-community/eslint-utils': 4.9.0(eslint@9.37.0(jiti@2.6.1))
-      '@typescript-eslint/types': 8.40.0
+      '@typescript-eslint/types': 8.45.0
       eslint: 9.37.0(jiti@2.6.1)
     optionalDependencies:
       typescript: 5.9.2
 
   eslint-plugin-import-x@4.16.1(@typescript-eslint/utils@8.40.0(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.2))(eslint@9.37.0(jiti@2.6.1)):
     dependencies:
-      '@typescript-eslint/types': 8.40.0
+      '@typescript-eslint/types': 8.45.0
       comment-parser: 1.4.1
       debug: 4.4.1
       eslint: 9.37.0(jiti@2.6.1)
@@ -7647,6 +7675,8 @@ snapshots:
 
   toidentifier@1.0.1: {}
 
+  tosource@2.0.0-alpha.3: {}
+
   totalist@3.0.1: {}
 
   tr46@0.0.3: {}