From 6602ea29c73ea1adfa9b7e07b5bdb048712f52bb Mon Sep 17 00:00:00 2001
From: mt-btanner <btanner@moneytree.jp>
Date: Mon, 3 Mar 2025 15:48:06 +0900
Subject: [PATCH 1/2] Replace `sessionStorage` with `localStorage`

---
 src/__tests__/storage.test.ts | 4 ++--
 src/storage.ts                | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/__tests__/storage.test.ts b/src/__tests__/storage.test.ts
index 1f3ce72..8026bae 100644
--- a/src/__tests__/storage.test.ts
+++ b/src/__tests__/storage.test.ts
@@ -10,11 +10,11 @@ describe('storage', () => {
   });
 
   test('get with invalid existing storage value', () => {
-    window.sessionStorage.setItem(STORE_KEY, '"abc"');
+    window.localStorage.setItem(STORE_KEY, '"abc"');
 
     expect(get('key1')).toBeUndefined();
 
-    window.sessionStorage.setItem(STORE_KEY, '');
+    window.localStorage.setItem(STORE_KEY, '');
 
     expect(get('key1')).toBeUndefined();
   });
diff --git a/src/storage.ts b/src/storage.ts
index f3c29ac..b31310b 100644
--- a/src/storage.ts
+++ b/src/storage.ts
@@ -1,9 +1,9 @@
 export const STORE_KEY = 'mt-link-javascript-sdk';
 
-const sessionStorage = window.sessionStorage;
+const localStorage = window.localStorage;
 
 function getStorageObject(): { [key: string]: string } {
-  const stringifiedData = sessionStorage.getItem(STORE_KEY) || '';
+  const stringifiedData = localStorage.getItem(STORE_KEY) || '';
   let data = {};
 
   try {
@@ -23,14 +23,14 @@ export function set(key: string, value: string): void {
   const data = getStorageObject();
   data[key] = value;
 
-  sessionStorage.setItem(STORE_KEY, JSON.stringify(data));
+  localStorage.setItem(STORE_KEY, JSON.stringify(data));
 }
 
 export function del(key: string): void {
   const data = getStorageObject();
   delete data[key];
 
-  sessionStorage.setItem(STORE_KEY, JSON.stringify(data));
+  localStorage.setItem(STORE_KEY, JSON.stringify(data));
 }
 
 export default {

From 32e8fbf30182af7d638d62bfa89c653160dee2ad Mon Sep 17 00:00:00 2001
From: mt-btanner <btanner@moneytree.jp>
Date: Mon, 3 Mar 2025 15:49:41 +0900
Subject: [PATCH 2/2] Clean up `cv` in `localStorage` after `exchangeToken`
 succeeds

---
 src/api/exchange-token.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/api/exchange-token.ts b/src/api/exchange-token.ts
index 1d6852e..2b40b30 100644
--- a/src/api/exchange-token.ts
+++ b/src/api/exchange-token.ts
@@ -64,6 +64,7 @@ export default async function exchangeToken(
       throw new Error(result.error_description);
     }
 
+    storage.del('cv');
     return result as Token;
   } catch (error) {
     throw new Error(`[mt-link-sdk] \`exchangeToken\` execution failed. ${error}`);