Source: https://tanstack.com/db/latest/docs/reference/classes/LazyIndexWrapper

TanStack

DB v0v0

Search...

+ K

Auto

Log In

TanStack StartRC

Docs Examples GitHub Contributors

TanStack Router

Docs Examples GitHub Contributors

TanStack Query

Docs Examples GitHub Contributors

TanStack Table

Docs Examples Github Contributors

TanStack Formnew

Docs Examples Github Contributors

TanStack DBbeta

Docs Github Contributors

TanStack Virtual

Docs Examples Github Contributors

TanStack Paceralpha

Docs Examples Github Contributors

TanStack Storealpha

Docs Examples Github Contributors

TanStack Devtoolsalpha

Docs Github Contributors

More Libraries

Maintainers Partners Support Learn StatsBETA Discord Merch Blog GitHub Ethos Brand Guide

Documentation

Framework

React

Version

Latest

Search...

+ K

Menu

• Home

• Frameworks

• Contributors

• GitHub

• Discord

Getting Started

• Overview
  
  core

• Quick Start
  
  core

• Installation
  
  core

Guides

• Live Queries
  
  core

• Mutations
  
  core

• Schemas
  
  core

• Error Handling
  
  core

• Creating Collection Options Creators
  
  core

Collections

• Query Collection
  
  core

• Electric Collection
  
  core

• TrailBase Collection
  
  core

• RxDB Collection
  
  core

• PowerSync Collection
  
  core

• LocalStorage Collection
  
  core

• LocalOnly Collection
  
  core

Frameworks

• React
  
  core

• Vue
  
  core

• Angular
  
  core

• Solid
  
  core

• Svelte
  
  core

Community

• Resources & Packages
  
  core

API Reference

• Core API Reference
  
  core

• Collection
  
  core

• createCollection
  
  core

• liveQueryCollectionOptions
  
  core

• createLiveQueryCollection
  
  core

• createOptimisticAction
  
  core

• createTransaction
  
  core

• Electric DB Collection
  
  core

• electricCollectionOptions
  
  core

• Query DB Collection
  
  core

• queryCollectionOptions
  
  core

• RxDB DB Collection
  
  core

• rxdbCollectionOptions
  
  core

• PowerSync Collection
  
  core

• powerSyncCollectionOptions
  
  core

• React Hooks
  
  react

• useLiveQuery
  
  react

Framework

React

Version

Latest

Menu

• Home

• Frameworks

• Contributors

• GitHub

• Discord

Getting Started

• Overview
  
  core

• Quick Start
  
  core

• Installation
  
  core

Guides

• Live Queries
  
  core

• Mutations
  
  core

• Schemas
  
  core

• Error Handling
  
  core

• Creating Collection Options Creators
  
  core

Collections

• Query Collection
  
  core

• Electric Collection
  
  core

• TrailBase Collection
  
  core

• RxDB Collection
  
  core

• PowerSync Collection
  
  core

• LocalStorage Collection
  
  core

• LocalOnly Collection
  
  core

Frameworks

• React
  
  core

• Vue
  
  core

• Angular
  
  core

• Solid
  
  core

• Svelte
  
  core

Community

• Resources & Packages
  
  core

API Reference

• Core API Reference
  
  core

• Collection
  
  core

• createCollection
  
  core

• liveQueryCollectionOptions
  
  core

• createLiveQueryCollection
  
  core

• createOptimisticAction
  
  core

• createTransaction
  
  core

• Electric DB Collection
  
  core

• electricCollectionOptions
  
  core

• Query DB Collection
  
  core

• queryCollectionOptions
  
  core

• RxDB DB Collection
  
  core

• rxdbCollectionOptions
  
  core

• PowerSync Collection
  
  core

• powerSyncCollectionOptions
  
  core

• React Hooks
  
  react

• useLiveQuery
  
  react

On this page

• Class: LazyIndexWrapper<TKey>

• Type Parameters

• TKey

• Constructors

• Constructor

• Parameters

• id

• expression

• name

• resolver

• options

• collectionEntries?

• Returns

• Methods

• getExpression()

• Returns

• getId()

• Returns

• getName()

• Returns

• getResolved()

• Returns

• isResolved()

• Returns

• resolve()

• Returns

LazyIndexWrapper

Copy Markdown

Class: LazyIndexWrapper<TKey>
=============================

Defined in: packages/db/src/indexes/lazy-index.ts:39

Wrapper that defers index creation until first sync

Type Parameters
--------------- ### TKey

TKey extends string | number = string | number

Constructors
------------ ### Constructor

ts

new LazyIndexWrapper<TKey>(
   id, 
   expression, 
   name, 
   resolver, 
   options, 
collectionEntries?): LazyIndexWrapper<TKey>;


new LazyIndexWrapper<TKey>(
   id, 
   expression, 
   name, 
   resolver, 
   options, 
collectionEntries?): LazyIndexWrapper<TKey>;

Defined in: packages/db/src/indexes/lazy-index.ts:43

#### Parameters ##### id

number

##### expression

BasicExpression

##### name

string | undefined

##### resolver

IndexResolver <TKey>

##### options

any

##### collectionEntries?

Iterable<[TKey, any], any, any>

#### Returns

LazyIndexWrapper<TKey>

Methods
------- ### getExpression()

ts

getExpression(): BasicExpression;


getExpression(): BasicExpression;

Defined in: packages/db/src/indexes/lazy-index.ts:118

Get the index expression

#### Returns

BasicExpression

---

### getId()

ts

getId(): number;


getId(): number;

Defined in: packages/db/src/indexes/lazy-index.ts:104

Get the index ID

#### Returns

number

---

### getName()

ts

getName(): string | undefined;


getName(): string | undefined;

Defined in: packages/db/src/indexes/lazy-index.ts:111

Get the index name

#### Returns

string | undefined

---

### getResolved()

ts

getResolved(): BaseIndex<TKey>;


getResolved(): BaseIndex<TKey>;

Defined in: packages/db/src/indexes/lazy-index.ts:92

Get resolved index (throws if not ready)

#### Returns

BaseIndex <TKey>

---

### isResolved()

ts

isResolved(): boolean;


isResolved(): boolean;

Defined in: packages/db/src/indexes/lazy-index.ts:85

Check if already resolved

#### Returns

boolean

---

### resolve()

ts

resolve(): Promise<BaseIndex<TKey>>;


resolve(): Promise<BaseIndex<TKey>>;

Defined in: packages/db/src/indexes/lazy-index.ts:69

Resolve the actual index

#### Returns

Promise<BaseIndex <TKey>>

Edit on GitHub

Home

Partners Become a Partner