From f8f5771646c99d3c0b887498580aca203ce89721 Mon Sep 17 00:00:00 2001
From: Julien Huang <63512348+huang-julien@users.noreply.github.com>
Date: Wed, 7 Sep 2022 10:31:11 +0200
Subject: [PATCH] perf(nuxt): cache `createClientOnly` wrapper using weakmap
 (#7297)

---
 packages/nuxt/src/app/components/client-only.mjs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/nuxt/src/app/components/client-only.mjs b/packages/nuxt/src/app/components/client-only.mjs
index 8cb1320f79..3e0cf41bdd 100644
--- a/packages/nuxt/src/app/components/client-only.mjs
+++ b/packages/nuxt/src/app/components/client-only.mjs
@@ -18,7 +18,13 @@ export default defineComponent({
   }
 })
 
+const cache = new WeakMap()
+
 export function createClientOnly (component) {
+  if (cache.has(component)) {
+    return cache.get(component)
+  }
+
   const clone = { ...component }
 
   if (clone.render) {
@@ -53,5 +59,7 @@ export function createClientOnly (component) {
       })
   }
 
+  cache.set(component, clone)
+
   return clone
 }