fix

src/pinia/Plugin/indexdb.ts

@@ -50,6 +50,19 @@ const resolvePersistOptions = (persist: PersistOption | undefined) => {
   return persist
 }
 
+const trimStringValuesDeep = (value: unknown): unknown => {
+  if (typeof value === 'string') return value.trim()
+  if (Array.isArray(value)) return value.map(item => trimStringValuesDeep(item))
+  if (value && typeof value === 'object') {
+    const normalized: Record<string, unknown> = {}
+    for (const [key, child] of Object.entries(value as Record<string, unknown>)) {
+      normalized[key] = trimStringValuesDeep(child)
+    }
+    return normalized
+  }
+  return value
+}
+
 export default (config?: PiniaStorageConfig) => {
   const finalConfig = { ...baseConfig, ...(config || {}) }
   const { mode = 'single', debounce = 300, ...forageConfig } = finalConfig
@@ -67,7 +80,10 @@ export default (config?: PiniaStorageConfig) => {
     let timer: ReturnType<typeof setTimeout> | null = null
     let hydrating = false
     let userMutatedBeforeHydrate = false
-    const writeState = (state: unknown) => lf.setItem(key, JSON.parse(JSON.stringify(state)))
+    const writeState = (state: unknown) => {
+      const clonedState = JSON.parse(JSON.stringify(state))
+      return lf.setItem(key, trimStringValuesDeep(clonedState))
+    }
     const storeExt = context.store as typeof context.store & PersistStoreExt
 
     storeExt.$persistNow = async () => {