createStorage
Creates new Storage object.
Import
ts
import { createStorage } from '@wagmi/core'import { createStorage } from '@wagmi/core'Usage
ts
import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })Parameters
ts
import { type CreateStorageParameters } from '@wagmi/core'import { type CreateStorageParameters } from '@wagmi/core'deserialize
(<T>(value: string) => T) | undefined
- Function to deserialize data from storage.
- Defaults to
deserialize.
ts
import { createStorage, deserialize } from '@wagmi/core'
const storage = createStorage({
deserialize,
storage: localStorage,
})import { createStorage, deserialize } from '@wagmi/core'
const storage = createStorage({
deserialize,
storage: localStorage,
})WARNING
If you use a custom deserialize function, make sure it can handle bigint and Map values.
key
string | undefined
- Key prefix to use when persisting data.
- Detaults to
'wagmi'.
ts
import { createStorage } from '@wagmi/core'
const storage = createStorage({
key: 'my-app',
storage: localStorage,
})import { createStorage } from '@wagmi/core'
const storage = createStorage({
key: 'my-app',
storage: localStorage,
})serialize
(<T>(value: T) => string) | undefined
- Function to serialize data for storage.
- Defaults to
serialize.
ts
import { createStorage, serialize } from '@wagmi/core'
const storage = createStorage({
serialize,
storage: localStorage,
})import { createStorage, serialize } from '@wagmi/core'
const storage = createStorage({
serialize,
storage: localStorage,
})WARNING
If you use a custom serialize function, make sure it can handle bigint and Map values.
storage
{ getItem(key: string): string | null | undefined | Promise<string | null | undefined>; setItem(key: string, value: string): void | Promise<void>; removeItem(key: string): void | Promise<void>; }
- Storage interface to use for persisting data.
- Defaults to
localStorage. - Supports synchronous and asynchronous storage methods.
ts
import { createStorage } from '@wagmi/core'
// Using IndexedDB via https://github.com/jakearchibald/idb-keyval
import { del, get, set } from 'idb-keyval'
const storage = createStorage({
storage: {
async getItem(name) {
return get(name)
},
async setItem(name, value) {
await set(name, value)
},
async removeItem(name) {
await del(name)
},
},
})import { createStorage } from '@wagmi/core'
// Using IndexedDB via https://github.com/jakearchibald/idb-keyval
import { del, get, set } from 'idb-keyval'
const storage = createStorage({
storage: {
async getItem(name) {
return get(name)
},
async setItem(name, value) {
await set(name, value)
},
async removeItem(name) {
await del(name)
},
},
})Return Type
ts
import { type Storage } from '@wagmi/core'import { type Storage } from '@wagmi/core'Storage
Object responsible for persisting Wagmi State and other data.
ts
import { type Storage } from '@wagmi/core'import { type Storage } from '@wagmi/core'getItem
getItem(key: string, defaultValue?: value | null | undefined): value | null | Promise<value | null>
ts
import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })
const recentConnectorId = storage.getItem('recentConnectorId') import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })
const recentConnectorId = storage.getItem('recentConnectorId') setItem
setItem(key: string, value: any): void | Promise<void>
ts
import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })
storage.setItem('recentConnectorId', 'foo') import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })
storage.setItem('recentConnectorId', 'foo') removeItem
removeItem(key: string): void | Promise<void>
ts
import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })
storage.removeItem('recentConnectorId') import { createStorage } from '@wagmi/core'
const storage = createStorage({ storage: localStorage })
storage.removeItem('recentConnectorId')