feat: 初始化慧遇书院官网一期

app/composables/useSiteDocument.ts

@@ -0,0 +1,32 @@
+import type { SiteDocument } from '../../server/utils/site-schema'
+
+export async function useSiteDocument() {
+  const route = useRoute()
+  const isPreview = computed(() => route.query.preview === 'draft')
+  const endpoint = computed(() => isPreview.value ? '/api/admin/site' : '/api/public/site')
+  const headers = import.meta.server && isPreview.value ? useRequestHeaders(['cookie']) : undefined
+  useHead(() => isPreview.value ? { meta: [{ name: 'robots', content: 'noindex, nofollow' }] } : {})
+  const { data: response, error } = await useFetch<{ data: SiteDocument }>(endpoint, { headers })
+
+  if (error.value) {
+    if (isPreview.value && error.value.statusCode === 401) {
+      throw createError({ statusCode: 401, statusMessage: '预览草稿前请先登录后台' })
+    }
+    throw error.value
+  }
+
+  return {
+    site: computed(() => response.value!.data),
+    isPreview,
+  }
+}
+
+export function useAbsoluteUrl() {
+  const config = useRuntimeConfig()
+  const base = String(config.public.siteUrl).replace(/\/$/, '')
+  return (path?: string | null) => {
+    if (!path) return base
+    if (/^https?:\/\//i.test(path)) return path
+    return `${base}${path.startsWith('/') ? path : `/${path}`}`
+  }
+}