createObjectStore

function createObjectStore(
   db, 
   storeName, 
   options?): IDBObjectStore;

Defined in: packages/db/src/indexed-db-wrapper.ts:191

Creates an object store during a database upgrade.

This function must be called within an onupgradeneeded callback (i.e., within a versionchange transaction). Calling it outside of an upgrade context will throw an error.

Parameters#

db#

IDBDatabase

The IDBDatabase instance

storeName#

string

The name of the object store to create

options?#

IDBObjectStoreParameters

Optional configuration for the object store (keyPath, autoIncrement)

Returns#

IDBObjectStore

The created IDBObjectStore

Throws#

Error if not called during a version change transaction

Example#

const db = await openDatabase('myApp', 1, (db) => {
  createObjectStore(db, 'todos', { keyPath: 'id' })
  createObjectStore(db, 'users', { keyPath: 'id', autoIncrement: true })
})