(#8494) - Refreshes seq before indexeddb bulkDocs

packages/node_modules/pouchdb-adapter-indexeddb/src/bulkDocs.js

@@ -302,6 +302,18 @@ export default function (api, req, opts, metadata, dbOpts, idbChanges, callback)
     };
   }
 
+  function refreshMetadataSeq() {
+    return new Promise(function (resolve) {
+      const metaStore = txn.objectStore(META_LOCAL_STORE);
+      metaStore.get(META_LOCAL_STORE).onsuccess = function (evt) {
+        if (evt.target.result) {
+          metadata.seq = evt.target.result.seq;
+        }
+        resolve();
+      };
+    });
+  }
+
   function updateSeq(i) {
     if (i === lastWriteIndex) {
       txn.objectStore(META_LOCAL_STORE).put(metadata);
@@ -412,8 +424,10 @@ export default function (api, req, opts, metadata, dbOpts, idbChanges, callback)
         callback(null, results);
       };
 
-      // We would like to use promises here, but idb sucks
-      fetchExistingDocs(txn, docs);
+      return refreshMetadataSeq().then(function () {
+        // We would like to use promises here, but idb sucks
+        fetchExistingDocs(txn, docs);
+      });
     });
   }).catch(function (err) {
     callback(err);