From fb9596f901c9e5f7993c6bda63d57bf8f4301a78 Mon Sep 17 00:00:00 2001
From: Kevin Van Cott <kevinvandy656@gmail.com>
Date: Tue, 2 Dec 2025 19:32:55 -0600
Subject: [PATCH 1/2] fix: remove preact-store import by including own uSES

---
 packages/preact-store/src/index.ts | 69 ++++++++++++++++++++++++++++--
 1 file changed, 65 insertions(+), 4 deletions(-)

diff --git a/packages/preact-store/src/index.ts b/packages/preact-store/src/index.ts
index 5461ae8..7b2c5bc 100644
--- a/packages/preact-store/src/index.ts
+++ b/packages/preact-store/src/index.ts
@@ -1,9 +1,72 @@
-import { useSyncExternalStore } from 'preact/compat'
-import { useRef } from 'preact/hooks'
+import { useEffect, useLayoutEffect, useRef, useState } from 'preact/hooks'
 import type { Derived, Store } from '@tanstack/store'
 
 export * from '@tanstack/store'
 
+type InternalStore = {
+  _value: any
+  _getSnapshot: () => any
+}
+
+type StoreRef = {
+  _instance: InternalStore
+}
+
+/**
+ * This is taken from https://github.com/preactjs/preact/blob/main/compat/src/hooks.js#L8-L54
+ * which is taken from https://github.com/facebook/react/blob/main/packages/use-sync-external-store/src/useSyncExternalStoreShimClient.js#L84
+ * on a high level this cuts out the warnings, ... and attempts a smaller implementation.
+ * This way we don't have to import preact/compat with side effects
+ */
+function useSyncExternalStore(
+  subscribe: (onStoreChange: () => void) => () => void,
+  getSnapshot: () => any,
+) {
+  const value = getSnapshot()
+
+  const [{ _instance }, forceUpdate] = useState<StoreRef>({
+    _instance: { _value: value, _getSnapshot: getSnapshot },
+  })
+
+  useLayoutEffect(() => {
+    _instance._value = value
+    _instance._getSnapshot = getSnapshot
+
+    if (didSnapshotChange(_instance)) {
+      forceUpdate({ _instance })
+    }
+  }, [subscribe, value, getSnapshot])
+
+  useEffect(() => {
+    if (didSnapshotChange(_instance)) {
+      forceUpdate({ _instance })
+    }
+
+    return subscribe(() => {
+      if (didSnapshotChange(_instance)) {
+        forceUpdate({ _instance })
+      }
+    })
+  }, [subscribe])
+
+  return value
+}
+
+function didSnapshotChange(inst: {
+  _getSnapshot: () => any
+  _value: any
+}): boolean {
+  const latestGetSnapshot = inst._getSnapshot
+  const prevValue = inst._value
+  try {
+    const nextValue = latestGetSnapshot()
+    return !Object.is(prevValue, nextValue)
+    // eslint-disable-next-line no-unused-vars
+  } catch (_error) {
+    return true
+  }
+}
+
 /**
  * @private
  */
@@ -120,5 +183,3 @@ function getOwnKeys(obj: object): Array<string | symbol> {
     Object.getOwnPropertySymbols(obj),
   )
 }
-
-// force

From 207e55dfe20e6cdcb07eb3917703ebd82c5196c6 Mon Sep 17 00:00:00 2001
From: "autofix-ci[bot]" <114827586+autofix-ci[bot]@users.noreply.github.com>
Date: Wed, 3 Dec 2025 01:34:52 +0000
Subject: [PATCH 2/2] ci: apply automated fixes and generate docs

---
 docs/framework/preact/reference/functions/shallow.md  | 2 +-
 docs/framework/preact/reference/functions/useStore.md | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/framework/preact/reference/functions/shallow.md b/docs/framework/preact/reference/functions/shallow.md
index 62f1aa9..8284cca 100644
--- a/docs/framework/preact/reference/functions/shallow.md
+++ b/docs/framework/preact/reference/functions/shallow.md
@@ -9,7 +9,7 @@ title: shallow
 function shallow<T>(objA, objB): boolean;
 ```
 
-Defined in: [index.ts:67](https://github.com/TanStack/store/blob/main/packages/preact-store/src/index.ts#L67)
+Defined in: [index.ts:130](https://github.com/TanStack/store/blob/main/packages/preact-store/src/index.ts#L130)
 
 ## Type Parameters
 
diff --git a/docs/framework/preact/reference/functions/useStore.md b/docs/framework/preact/reference/functions/useStore.md
index 1cc5546..22d4ed5 100644
--- a/docs/framework/preact/reference/functions/useStore.md
+++ b/docs/framework/preact/reference/functions/useStore.md
@@ -14,7 +14,7 @@ function useStore<TState, TSelected>(
    options?): TSelected;
 ```
 
-Defined in: [index.ts:41](https://github.com/TanStack/store/blob/main/packages/preact-store/src/index.ts#L41)
+Defined in: [index.ts:104](https://github.com/TanStack/store/blob/main/packages/preact-store/src/index.ts#L104)
 
 ### Type Parameters
 
@@ -53,7 +53,7 @@ function useStore<TState, TSelected>(
    options?): TSelected;
 ```
 
-Defined in: [index.ts:46](https://github.com/TanStack/store/blob/main/packages/preact-store/src/index.ts#L46)
+Defined in: [index.ts:109](https://github.com/TanStack/store/blob/main/packages/preact-store/src/index.ts#L109)
 
 ### Type Parameters