persist-secure-store

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更新日2026年7月23日 07:05

Persist small secrets with Expo SecureStore via @stainless-code/persist/backends/secure-store. ~2KB/key — use partialize; async → useHydrated.

インストール

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ソース

stainless-code

stainless-code/persist

GitHub リポジトリを開く Creator のリポジトリを見る

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SecureStore backend

For tokens / small secrets, not full app state (~2KB/key). Async → gate UI. Keys sanitized to /^[\w.-]+$/ (: → _).

Install

bun add @stainless-code/persist expo-secure-store zustand

Peers: expo-secure-store >=12.0.0; example uses zustand (any ./sources/* adapter works).

Minimal wiring

import { create } from "zustand";
import { createSecureStoreStorage } from "@stainless-code/persist/backends/secure-store";
import { persistStore } from "@stainless-code/persist/sources/zustand";

type Auth = { token: string };
const useAuth = create<Auth>(() => ({ token: "" }));
const storage = createSecureStoreStorage<string>()!;
persistStore(useAuth, {
  name: "auth:token:v1",
  storage,
  partialize: (s) => s.token,
});

Common mistakes

Storing large documents — wrong backend.
Skipping partialize.
Assuming colon keys are stored literally.

API surface

createSecureStoreStorage() · secureStoreStateStorage()

See also: persist-mmkv; persist-encrypted.

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name	persist-secure-store
description	Persist small secrets with Expo SecureStore via @stainless-code/persist/backends/secure-store. ~2KB/key — use partialize; async → useHydrated.
license	MIT
metadata	{"type":"composition","library":"@stainless-code/persist","library_version":"0.4.1","framework":"expo-secure-store"}
requires	["persist"]
sources	["stainless-code/persist:src/adapters/backends/secure-store.ts"]

SecureStore backend

For tokens / small secrets, not full app state (~2KB/key). Async → gate UI. Keys sanitized to /^[\w.-]+$/ (: → _).

Install

bun add @stainless-code/persist expo-secure-store zustand

Peers: expo-secure-store >=12.0.0; example uses zustand (any ./sources/* adapter works).

Minimal wiring

import { create } from "zustand";
import { createSecureStoreStorage } from "@stainless-code/persist/backends/secure-store";
import { persistStore } from "@stainless-code/persist/sources/zustand";

type Auth = { token: string };
const useAuth = create<Auth>(() => ({ token: "" }));
const storage = createSecureStoreStorage<string>()!;
persistStore(useAuth, {
  name: "auth:token:v1",
  storage,
  partialize: (s) => s.token,
});

Common mistakes

Storing large documents — wrong backend.
Skipping partialize.
Assuming colon keys are stored literally.

API surface

createSecureStoreStorage() · secureStoreStateStorage()

See also: persist-mmkv; persist-encrypted.