From d8d85cfab16bcd2d77351c4c9bc78efe8d860aec Mon Sep 17 00:00:00 2001
From: PalmDevs <git@palmdevs.me>
Date: Tue, 19 Aug 2025 22:12:36 +0700
Subject: [PATCH] fix(lib/modules/metro/runtime): add flag once `importedAll`
 or `importedDefault` exports cached

---
 lib/modules/src/finders/_internal.ts            |  2 +-
 lib/modules/src/finders/lookup.ts               |  2 +-
 lib/modules/src/metro/patches.ts                |  2 +-
 lib/modules/src/metro/{custom.ts => runtime.ts} | 11 ++++++++++-
 lib/modules/src/metro/utils.ts                  |  2 +-
 5 files changed, 14 insertions(+), 5 deletions(-)
 rename lib/modules/src/metro/{custom.ts => runtime.ts} (80%)

diff --git a/lib/modules/src/finders/_internal.ts b/lib/modules/src/finders/_internal.ts
index 700d124..365e424 100644
--- a/lib/modules/src/finders/_internal.ts
+++ b/lib/modules/src/finders/_internal.ts
@@ -1,7 +1,7 @@
 import { getCurrentStack } from '@revenge-mod/utils/error'
 import { cacheFilterResultForId } from '../caches'
-import { metroRequire } from '../metro/custom'
 import { mInitialized } from '../metro/patches'
+import { metroRequire } from '../metro/runtime'
 import { isModuleExportBad } from '../metro/utils'
 import { FilterFlag } from './filters'
 import type { If } from '@revenge-mod/utils/types'
diff --git a/lib/modules/src/finders/lookup.ts b/lib/modules/src/finders/lookup.ts
index 11ba5a7..03ed9ce 100644
--- a/lib/modules/src/finders/lookup.ts
+++ b/lib/modules/src/finders/lookup.ts
@@ -1,13 +1,13 @@
 import { getCurrentStack } from '@revenge-mod/utils/error'
 import { proxify } from '@revenge-mod/utils/proxy'
 import { cacheFilterNotFound, getFilterMatches } from '../caches'
-import { metroRequire } from '../metro/custom'
 import {
     mImportedPaths,
     mInitialized,
     mList,
     mUninitialized,
 } from '../metro/patches'
+import { metroRequire } from '../metro/runtime'
 import {
     getInitializedModuleExports,
     isModuleInitialized,
diff --git a/lib/modules/src/metro/patches.ts b/lib/modules/src/metro/patches.ts
index bcc3cac..736e158 100644
--- a/lib/modules/src/metro/patches.ts
+++ b/lib/modules/src/metro/patches.ts
@@ -4,7 +4,7 @@ import {
     metroImportAll,
     metroImportDefault,
     metroRequire,
-} from './custom'
+} from './runtime'
 import { onModuleInitialized } from './subscriptions'
 import {
     executeImportedPathSubscriptions,
diff --git a/lib/modules/src/metro/custom.ts b/lib/modules/src/metro/runtime.ts
similarity index 80%
rename from lib/modules/src/metro/custom.ts
rename to lib/modules/src/metro/runtime.ts
index 8f98e49..b838d53 100644
--- a/lib/modules/src/metro/custom.ts
+++ b/lib/modules/src/metro/runtime.ts
@@ -1,6 +1,8 @@
 /**
- * A more performant implementation of Metro's core functions.
+ * A minimal implementation of Metro's runtime with little overhead.
  * Making initialization faster and use less resources.
+ *
+ * Also avoids cloning exports, allowing for patches to be applied directly without checking for clones.
  */
 
 import { mList } from './patches'
@@ -58,6 +60,9 @@ export const metroImportDefault: Metro.RequireFn = moduleId => {
     if (mod.flags & HasImportedDefault) return mod.importedDefault
 
     const exports = metroRequire(moduleId)
+
+    mod.flags |= HasImportedDefault
+
     return (mod.importedDefault = exports?.__esModule
         ? exports.default
         : exports)
@@ -68,7 +73,11 @@ export const metroImportAll: Metro.RequireFn = moduleId => {
     if (mod.flags & HasImportedAll) return mod.importedAll
 
     const exports = metroRequire(moduleId)
+    // Our implementation doesn't match Metro's because we modify the exports directly instead of cloning
+    // But this is why ours is superior, it allows patching the exports without needing to do it more than a single time
     if (!exports?.__esModule) exports.default = exports
 
+    mod.flags |= HasImportedAll
+
     return (mod.importedAll = exports)
 }
diff --git a/lib/modules/src/metro/utils.ts b/lib/modules/src/metro/utils.ts
index 91abd31..66c7501 100644
--- a/lib/modules/src/metro/utils.ts
+++ b/lib/modules/src/metro/utils.ts
@@ -1,6 +1,6 @@
 import { isProxy } from '@revenge-mod/utils/proxy'
-import { Initialized } from './custom'
 import { mDeps, mList } from './patches'
+import { Initialized } from './runtime'
 import type { Metro } from '../types'
 
 /**