diff --git a/src/indexed-db.ts b/src/indexed-db.ts
new file mode 100644
index 0000000..72299d7
--- /dev/null
+++ b/src/indexed-db.ts
@@ -0,0 +1,25 @@
+class SlopDB {
+    db: IDBDatabase
+
+    constructor(idb_version: number) {
+
+    }
+
+    async open_database(idb_version: number): Promise<IDBDatabase> {
+        const db_promise = new Promise<IDBDatabase>((resolve, reject) => {
+            const db_request = window.indexedDB.open("SlopDB", idb_version)
+
+            db_request.onerror = (event) => {
+                reject(db_request.error)
+            }
+
+            db_request.onsuccess = (event) => {
+                resolve(db_request.result)
+            }
+
+            db_request.onupgradeneeded
+        })
+
+        return db_promise
+    }
+}
\ No newline at end of file
diff --git a/src/report-slop.ts b/src/report-slop.ts
index 3ea100c..92fd817 100644
--- a/src/report-slop.ts
+++ b/src/report-slop.ts
@@ -10,7 +10,7 @@ function setup_storage_db() {
      *  ]
      * }
      */
-    let db
+    let db: IDBDatabase
     const db_request = window.indexedDB.open("SlopDB", 1)
 
     db_request.onerror = (event) => {