From 750699a6b9e38bbbfbd1d48e6bb208bdf37dcc4e Mon Sep 17 00:00:00 2001
From: Victor Berchet <victor@suumit.com>
Date: Fri, 20 Sep 2024 13:57:45 +0200
Subject: [PATCH] docs: fix the signature of CacheHandler#revalidateTag

---
 .../01-building-your-application/10-deploying/index.mdx     | 6 ++++--
 .../05-next-config-js/incrementalCacheHandlerPath.mdx       | 6 +++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/docs/02-app/01-building-your-application/10-deploying/index.mdx b/docs/02-app/01-building-your-application/10-deploying/index.mdx
index 2f410be3cba22..ed1944aa9fca3 100644
--- a/docs/02-app/01-building-your-application/10-deploying/index.mdx
+++ b/docs/02-app/01-building-your-application/10-deploying/index.mdx
@@ -175,11 +175,13 @@ module.exports = class CacheHandler {
     })
   }
 
-  async revalidateTag(tag) {
+  async revalidateTag(tags) {
+    // tags is either a string or an array of strings
+    tags = [tags].flat()
     // Iterate over all entries in the cache
     for (let [key, value] of cache) {
       // If the value's tags include the specified tag, delete this entry
-      if (value.tags.includes(tag)) {
+      if (value.tags.some((tag) => tags.include(tag))) {
         cache.delete(key)
       }
     }
diff --git a/docs/02-app/02-api-reference/05-next-config-js/incrementalCacheHandlerPath.mdx b/docs/02-app/02-api-reference/05-next-config-js/incrementalCacheHandlerPath.mdx
index d134f44024649..ce3fc4abd16cf 100644
--- a/docs/02-app/02-api-reference/05-next-config-js/incrementalCacheHandlerPath.mdx
+++ b/docs/02-app/02-api-reference/05-next-config-js/incrementalCacheHandlerPath.mdx
@@ -39,9 +39,9 @@ Returns `Promise<void>`.
 
 ### `revalidateTag()`
 
-| Parameter | Type     | Description                  |
-| --------- | -------- | ---------------------------- |
-| `tag`     | `string` | The cache tag to revalidate. |
+| Parameter | Type                   | Description                   |
+| --------- | ---------------------- | ----------------------------- |
+| `tag`     | `string` or `string[]` | The cache tags to revalidate. |
 
 Returns `Promise<void>`. Learn more about [revalidating data](/docs/app/building-your-application/data-fetching/caching-and-revalidating) or the [`revalidateTag()`](/docs/app/api-reference/functions/revalidateTag) function.