refac: @/indexed/upgrade

src/indexedDB/v1.ts

@@ -0,0 +1,38 @@
+import { STORAGE_NAME, STORAGE_NAME_INDEXES } from "@/const";
+import { ChatStore } from "@/types/chatstore";
+import { IDBPDatabase, IDBPTransaction, StoreNames } from "idb";
+
+export async function upgradeV1(
+  db: IDBPDatabase<ChatStore>,
+  oldVersion: number,
+  newVersion: number,
+  transaction: IDBPTransaction<
+    ChatStore,
+    StoreNames<ChatStore>[],
+    "versionchange"
+  >,
+) {
+  const store = db.createObjectStore(STORAGE_NAME, {
+    autoIncrement: true,
+  });
+
+  // copy from localStorage to indexedDB
+  const allChatStoreIndexes: number[] = JSON.parse(
+    localStorage.getItem(STORAGE_NAME_INDEXES) ?? "[]",
+  );
+  let keyCount = 0;
+  for (const i of allChatStoreIndexes) {
+    console.log("importing chatStore from localStorage", i);
+    const key = `${STORAGE_NAME}-${i}`;
+    const val = localStorage.getItem(key);
+    if (val === null) continue;
+    store.add(JSON.parse(val));
+    keyCount += 1;
+  }
+  // setSelectedChatIndex(keyCount);
+  if (keyCount > 0) {
+    alert(
+      "v2.0.0 Update: Imported chat history from localStorage to indexedDB. 🎉",
+    );
+  }
+}