chore: optimize preview config

.env.example

@@ -8,9 +8,6 @@ DATABASE_PASSWORD=""
 DATABASE_URL=""
 DATABASE_USERNAME=""
 
-# 链接预览图 API 必需
-LINK_PREVIEW_API_BASE_URL=""
-
 # Sanity CMS 必需
 NEXT_PUBLIC_SANITY_DATASET=""
 NEXT_PUBLIC_SANITY_PROJECT_ID=""

app/api/link-preview/route.tsx

@@ -13,7 +13,7 @@ export async function GET(req: NextRequest) {
  const { searchParams } = new URL(req.url)
  const url = searchParams.get('url')
 
- if (!url) {
+ if (!url || !env.LINK_PREVIEW_API_BASE_URL) {
  return NextResponse.error()
  }
 

components/links/PeekabooLink.tsx

@@ -11,6 +11,9 @@ import { RichLink } from '~/components/links/RichLink'
 import { HoverCard } from '~/components/ui/HoverCard'
 import { makeBlurDataURL } from '~/lib/image'
 
+// 改成 false 就可以关闭链接预览快照图了
+const supportsPreview = true
+
 type PeekabooLinkProps = LinkProps &
  React.ComponentPropsWithoutRef<'a'> & {
  children: React.ReactNode
@@ -32,6 +35,22 @@ export function PeekabooLink({
  )
  }
 
+ if (!supportsPreview) {
+ return (
+ <RichLink
+ href={href}
+ className={clsxm(
+ 'font-semibold text-zinc-800 hover:underline dark:text-zinc-100',
+ className
+ )}
+ target="_blank"
+ {...props}
+ >
+ {children}
+ </RichLink>
+ )
+ }
+
  function onOpenChange(open: boolean) {
  setIsOpen(open)
  }

env.mjs

@@ -12,7 +12,7 @@ const server = z.object({
  VERCEL_ENV: z.enum(['development', 'preview', 'production']),
  UPSTASH_REDIS_REST_URL: z.string().min(1),
  UPSTASH_REDIS_REST_TOKEN: z.string().min(1),
- LINK_PREVIEW_API_BASE_URL: z.string().min(1),
+ LINK_PREVIEW_API_BASE_URL: z.string().optional(),
  SITE_NOTIFICATION_EMAIL_TO: z.string().optional(),
 })