Added compatibility flags to update

ns476 · Aug 2, 2024 · 1a2002d · 1a2002d
1 parent 8070ebd
commit 1a2002d
Show file tree

Hide file tree

Showing 3 changed files with 11 additions and 1 deletion.
diff --git a/src/workerd/api/http-test.wd-test b/src/workerd/api/http-test.wd-test
@@ -11,7 +11,7 @@ const unitTests :Workerd.Config = (
           ( name = "SERVICE", service = "http-test" )
         ],
         compatibilityDate = "2023-08-01",
-        compatibilityFlags = ["nodejs_compat", "service_binding_extra_handlers"],
+        compatibilityFlags = ["nodejs_compat", "service_binding_extra_handlers", "cache_header_enabled"],
       )
     ),
   ],

diff --git a/src/workerd/api/http.c++ b/src/workerd/api/http.c++
@@ -1076,6 +1076,10 @@ jsg::Ref<Request> Request::constructor(
         }
 
         KJ_IF_SOME(c, initDict.cache) {
+          bool cacheHeaderEnabled = FeatureFlags::get(js).getCacheHeaderEnabled();
+          if(!cacheHeaderEnabled) {
+            JSG_FAIL_REQUIRE(TypeError, kj::str("Unsupported cache mode: ", c, "\nYou may need to enable a compatability flag."));
+          }
           cacheMode = getCacheModeFromName(c);
         }
 

diff --git a/src/workerd/io/compatibility-date.capnp b/src/workerd/io/compatibility-date.capnp
@@ -504,4 +504,10 @@ struct CompatibilityFlags @0x8f8c1b68151b6cef {
       $compatDisableFlag("legacy_module_registry")
       $experimental;
   # Enables of the new module registry implementation.
+
+  cacheHeaderEnabled @53 :Bool
+    $compatEnableFlag("cache_header_enabled")
+    $compatDisableFlag("cache_header_disabled")
+    $experimental;
+  # Enables the use of no-cache and no-store headers from requests
 }