From a4fa8a3e88ea1b1af4fb05aeec1436138d5c7c0b Mon Sep 17 00:00:00 2001
From: Damian Tarnawski <gthetarnav@gmail.com>
Date: Thu, 2 Jan 2025 18:35:30 +0100
Subject: [PATCH 1/2] dev: Add `internal` flag to signal

---
 packages/solid/src/reactive/signal.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/solid/src/reactive/signal.ts b/packages/solid/src/reactive/signal.ts
index fd1ab94d2..23b8af7c9 100644
--- a/packages/solid/src/reactive/signal.ts
+++ b/packages/solid/src/reactive/signal.ts
@@ -82,6 +82,8 @@ export interface SignalState<T> extends SourceMapValue {
   observerSlots: number[] | null;
   tValue?: T;
   comparator?: (prev: T, next: T) => boolean;
+  // development-only
+  internal?: true;
 }
 
 export interface Owner {
@@ -233,8 +235,12 @@ export function createSignal<T>(
 
   if ("_SOLID_DEV_") {
     if (options.name) s.name = options.name;
-    if (DevHooks.afterCreateSignal) DevHooks.afterCreateSignal(s);
-    if (!options.internal) registerGraph(s);
+    if (options.internal) {
+      s.internal = true;
+    } else {
+      registerGraph(s);
+      if (DevHooks.afterCreateSignal) DevHooks.afterCreateSignal(s);
+    }
   }
 
   const setter: Setter<T | undefined> = (value?: unknown) => {

From 9ad77851c1a1e3f7b19b6d1ecd3d7022be804c21 Mon Sep 17 00:00:00 2001
From: Ryan Carniato <ryansolid@gmail.com>
Date: Fri, 21 Feb 2025 11:03:50 -0800
Subject: [PATCH 2/2] Create eighty-parents-scream.md

---
 .changeset/eighty-parents-scream.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/eighty-parents-scream.md

diff --git a/.changeset/eighty-parents-scream.md b/.changeset/eighty-parents-scream.md
new file mode 100644
index 000000000..0d21a4fe9
--- /dev/null
+++ b/.changeset/eighty-parents-scream.md
@@ -0,0 +1,5 @@
+---
+"solid-js": patch
+---
+
+dev: Add `internal` flag to signal