perf: check isNextFont only in dev

vercel · Jan 4, 2024 · 29d8c0e · 29d8c0e
1 parent 663a1ee
commit 29d8c0e
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/packages/next/src/server/lib/router-server.ts b/packages/next/src/server/lib/router-server.ts
@@ -35,6 +35,8 @@ import { DevBundlerService } from './dev-bundler-service'
 import { type Span, trace } from '../../trace'
 
 const debug = setupDebug('next:router-server:main')
+const isNextFont = (pathname: string | null) =>
+  pathname && /\/media\/[^/]+\.(woff|woff2|eot|ttf|otf)$/.test(pathname)
 
 export type RenderServer = Pick<
   typeof import('./render-server'),
@@ -396,10 +398,7 @@ export async function initialize(opts: {
           !res.getHeader('cache-control') &&
           matchedOutput.type === 'nextStaticFolder'
         ) {
-          const isNextFont =
-            parsedUrl.pathname &&
-            /\/media\/[^/]+\.(woff|woff2|eot|ttf|otf)$/.test(parsedUrl.pathname)
-          if (opts.dev && !isNextFont) {
+          if (opts.dev && !isNextFont(parsedUrl.pathname)) {
             res.setHeader('Cache-Control', 'no-store, must-revalidate')
           } else {
             res.setHeader(