From 4be430e13fe7d817ef4f0a805da2c00979f3f1b4 Mon Sep 17 00:00:00 2001
From: Julien Huang <julien.huang@outlook.fr>
Date: Fri, 15 Mar 2024 21:54:47 +0100
Subject: [PATCH] feat(nuxt): pass nuxt instance to `getCachedData` (#26287)

---
 docs/3.api/2.composables/use-async-data.md     | 2 +-
 docs/3.api/2.composables/use-fetch.md          | 2 +-
 packages/nuxt/src/app/composables/asyncData.ts | 8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs/3.api/2.composables/use-async-data.md b/docs/3.api/2.composables/use-async-data.md
index 8ef849235fdf..4768cedafe7b 100644
--- a/docs/3.api/2.composables/use-async-data.md
+++ b/docs/3.api/2.composables/use-async-data.md
@@ -122,7 +122,7 @@ type AsyncDataOptions<DataT> = {
   transform?: (input: DataT) => DataT | Promise<DataT>
   pick?: string[]
   watch?: WatchSource[]
-  getCachedData?: (key: string) => DataT
+  getCachedData?: (key: string, nuxtApp: NuxtApp) => DataT
 }
 
 type AsyncData<DataT, ErrorT> = {
diff --git a/docs/3.api/2.composables/use-fetch.md b/docs/3.api/2.composables/use-fetch.md
index 029f2e177865..1b2c98ab93a8 100644
--- a/docs/3.api/2.composables/use-fetch.md
+++ b/docs/3.api/2.composables/use-fetch.md
@@ -144,7 +144,7 @@ type UseFetchOptions<DataT> = {
   server?: boolean
   lazy?: boolean
   immediate?: boolean
-  getCachedData?: (key: string) => DataT
+  getCachedData?: (key: string, nuxtApp: NuxtApp) => DataT
   deep?: boolean
   dedupe?: 'cancel' | 'defer'
   default?: () => DataT
diff --git a/packages/nuxt/src/app/composables/asyncData.ts b/packages/nuxt/src/app/composables/asyncData.ts
index 319be17438e9..41bf259270be 100644
--- a/packages/nuxt/src/app/composables/asyncData.ts
+++ b/packages/nuxt/src/app/composables/asyncData.ts
@@ -61,7 +61,7 @@ export interface AsyncDataOptions<
    * A `null` or `undefined` return value will trigger a fetch.
    * Default is `key => nuxt.isHydrating ? nuxt.payload.data[key] : nuxt.static.data[key]` which only caches data when payloadExtraction is enabled.
    */
-  getCachedData?: (key: string) => DataT
+  getCachedData?: (key: string, nuxtApp: NuxtApp) => DataT
   /**
    * A function that can be used to alter handler function result after resolving.
    * Do not use it along with the `pick` option.
@@ -243,7 +243,7 @@ export function useAsyncData<
     console.warn('[nuxt] `boolean` values are deprecated for the `dedupe` option of `useAsyncData` and will be removed in the future. Use \'cancel\' or \'defer\' instead.')
   }
 
-  const hasCachedData = () => options.getCachedData!(key) != null
+  const hasCachedData = () => options.getCachedData!(key, nuxtApp) != null
 
   // Create or use a shared asyncData entity
   if (!nuxtApp._asyncData[key] || !options.immediate) {
@@ -252,7 +252,7 @@ export function useAsyncData<
     const _ref = options.deep ? ref : shallowRef
 
     nuxtApp._asyncData[key] = {
-      data: _ref(options.getCachedData!(key) ?? options.default!()),
+      data: _ref(options.getCachedData!(key, nuxtApp) ?? options.default!()),
       pending: ref(!hasCachedData()),
       error: toRef(nuxtApp.payload._errors, key),
       status: ref('idle')
@@ -272,7 +272,7 @@ export function useAsyncData<
     }
     // Avoid fetching same key that is already fetched
     if ((opts._initial || (nuxtApp.isHydrating && opts._initial !== false)) && hasCachedData()) {
-      return Promise.resolve(options.getCachedData!(key))
+      return Promise.resolve(options.getCachedData!(key, nuxtApp))
     }
     asyncData.pending.value = true
     asyncData.status.value = 'pending'