diff --git a/client/src/api/index.ts b/client/src/api/index.ts
index db04599..0cb75b7 100644
--- a/client/src/api/index.ts
+++ b/client/src/api/index.ts
@@ -1,12 +1,19 @@
 import { Grid } from 'grid';
-import { Idatabase, SupaDB } from 'database';
-
+import { Idatabase, SupaDB, setDatabase } from 'database';
+import axios from 'axios';
+const debugMigration = false;
 class API {
   public idb: Idatabase;
   public supadb: SupaDB;
   public _mode: string;
   constructor(mode: string = 'unknown') {
-    this.idb = new Idatabase();
+    let prepromise: Promise<unknown> = Promise.resolve();
+    if (debugMigration) {
+      prepromise = prepromise
+        .then(() => axios.get('/test-db.json'))
+        .then(({ data }) => setDatabase(data, 4))
+    }
+    this.idb = new Idatabase(prepromise);
     this.supadb = new SupaDB('https://tnvxmrqhkdlynhtdzmpw.supabase.co', 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6InRudnhtcnFoa2RseW5odGR6bXB3Iiwicm9sZSI6ImFub24iLCJpYXQiOjE2ODIyNTM0MTEsImV4cCI6MTk5NzgyOTQxMX0.4PczPPAxbkwBvig7NTHNbR8JumuwPPqfyS_kGnkxP5I');
     this._mode = mode;
   }
diff --git a/database/src/idb.ts b/database/src/idb.ts
index a988b46..aae24ed 100644
--- a/database/src/idb.ts
+++ b/database/src/idb.ts
@@ -131,9 +131,12 @@ async function create() {
 
 export class Idatabase extends Database {
   private loadingPromise: ReturnType<typeof create>;
-  constructor() {
+  constructor(prepromise?: Promise<unknown>) {
     super();
-    this.loadingPromise = create()
+    if (!prepromise) {
+      prepromise = Promise.resolve();
+    }
+    this.loadingPromise = prepromise.then(() => create())
       .then((db) => {
         return db.get('styles', defaultStyles.id)
           .then((style) => style ? Promise.resolve('')
@@ -266,10 +269,10 @@ export function setDatabase(json: any, version: number) {
             const objstore = db.createObjectStore(key, {
               keyPath: 'id',
             });
-            if(key === 'words'){
+            if (key === 'words') {
               // @ts-ignore
               objstore.createIndex('by-word', 'id');
-            }else{
+            } else {
               // @ts-ignore
               objstore.createIndex('by-id', 'id');
             }
@@ -277,7 +280,7 @@ export function setDatabase(json: any, version: number) {
             // @ts-ignore
             const store = transaction.objectStore(key);
             promise = promise
-            // @ts-ignore
+              // @ts-ignore
               .then(() => Promise.all(values.map((value: any) => store.put(value))))
           });
         }