do not call Date.now twice

livecycle · Sep 27, 2023 · 23bb24c · 23bb24c
1 parent 157ec48
commit 23bb24c
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/tunnel-server/src/memoize.ts b/tunnel-server/src/memoize.ts
@@ -1,8 +1,9 @@
 export const memoizeForDuration = <T>(f: () => T, milliseconds: number) => {
   let cache: { value: T; expiry: number } | undefined
   return () => {
-    if (!cache || cache.expiry <= Date.now()) {
-      cache = { value: f(), expiry: Date.now() + milliseconds }
+    const now = Date.now()
+    if (!cache || cache.expiry <= now) {
+      cache = { value: f(), expiry: now + milliseconds }
     }
     return cache.value
   }