From f692fdfe623389f3d85c90e5a923c5cfb15c0b0b Mon Sep 17 00:00:00 2001
From: Eduardo San Martin Morote <posva13@gmail.com>
Date: Mon, 14 Mar 2022 16:09:52 +0100
Subject: [PATCH] feat(warn): avoid vue 2 bug storeToRefs()

Related to #852
---
 packages/pinia/src/storeToRefs.ts | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/packages/pinia/src/storeToRefs.ts b/packages/pinia/src/storeToRefs.ts
index c9dbcd69..d0ba5a4f 100644
--- a/packages/pinia/src/storeToRefs.ts
+++ b/packages/pinia/src/storeToRefs.ts
@@ -1,4 +1,12 @@
-import { isReactive, isRef, toRaw, toRef, ToRefs } from 'vue-demi'
+import {
+  isReactive,
+  isRef,
+  isVue2,
+  toRaw,
+  toRef,
+  ToRefs,
+  toRefs,
+} from 'vue-demi'
 import { StoreGetters, StoreState } from './store'
 import type { PiniaCustomStateProperties, StoreGeneric } from './types'
 
@@ -15,6 +23,14 @@ export function storeToRefs<SS extends StoreGeneric>(
 ): ToRefs<
   StoreState<SS> & StoreGetters<SS> & PiniaCustomStateProperties<StoreState<SS>>
 > {
+  if (__DEV__ && isVue2) {
+    console.warn(
+      '[Pinia]: "storeToRefs()" currently only works on Vue 3 until https://github.com/vuejs/pinia/issues/852 is fixed. Please, use "toRefs()" (from vue) instead. This will FAIL in production if not changed.'
+    )
+    // @ts-expect-error: toRefs include methods and others
+    return toRefs(store)
+  }
+
   store = toRaw(store)
 
   const refs = {} as ToRefs<
-- 
2.47.2