feat: use pinia instance from nuxt only in dev mode

Author: pguilbert

packages/nuxt/global.d.ts

@@ -0,0 +1,2 @@
+// Global compile-time constants
+declare var __TEST__: boolean

packages/nuxt/src/runtime/composables.ts

@@ -8,20 +8,24 @@ export * from 'pinia'
 
 export const usePinia = () => useNuxtApp().$pinia as Pinia | undefined
 
-export const defineStore: typeof _defineStore = (
-  ...args: [idOrOptions: any, setup?: any, setupOptions?: any]
-) => {
-  if (!import.meta.server) {
-    return _defineStore(...args)
-  }
+export const defineStore: typeof _defineStore =
+  process.env.NODE_ENV === 'production' && !__TEST__
+    ? _defineStore
+    : (...args: [idOrOptions: any, setup?: any, setupOptions?: any]) => {
+        if (!import.meta.server) {
+          return _defineStore(...args)
+        }
 
-  const originalUseStore = _defineStore(...args)
-  function useStore(pinia?: Pinia | null, hot?: StoreGeneric): StoreGeneric {
-    return originalUseStore(pinia || usePinia(), hot)
-  }
+        const originalUseStore = _defineStore(...args)
+        function useStore(
+          pinia?: Pinia | null,
+          hot?: StoreGeneric
+        ): StoreGeneric {
+          return originalUseStore(pinia || usePinia(), hot)
+        }
 
-  useStore.$id = originalUseStore.$id
-  useStore._pinia = originalUseStore._pinia
+        useStore.$id = originalUseStore.$id
+        useStore._pinia = originalUseStore._pinia
 
-  return useStore
-}
+        return useStore
+      }

packages/nuxt/tsconfig.json

@@ -2,6 +2,7 @@
   "extends": "./playground/.nuxt/tsconfig.json",
   "include": [
     "./shims.d.ts",
+    "./global.d.ts",
     // missing in the playground
     "./src"
   ]