Class RelayMetadataLoader

Hierarchy

Constructors

constructor

Properties

#log #system #wantsKeys cache loaderFn?

Methods

#FetchMetadata #loadData TrackKeys UntrackKeys buildSub fetch getExpireCutoff makePlaceholder name onEvent

Constructors

constructor

Properties

Private #log

#log: Debugger = ...

Private #system

#system: SystemInterface

Private #wantsKeys

#wantsKeys: Set<string> = ...

List of pubkeys to fetch metadata for

Readonly cache

cache: FeedCache<UsersRelays>

Optional loaderFn

loaderFn?: ((pubkeys) => Promise<UsersRelays[]>)

Custom loader function for fetching data from alternative sources

Type declaration

    • (pubkeys): Promise<UsersRelays[]>

    • Custom loader function for fetching data from alternative sources

      Parameters

      • pubkeys: string[]

      Returns Promise<UsersRelays[]>

Methods

Private #FetchMetadata

  • #FetchMetadata(): Promise<void>

  • Returns Promise<void>

Private #loadData

  • #loadData(missing): Promise<UsersRelays[]>

  • Parameters

    • missing: string[]

    Returns Promise<UsersRelays[]>

TrackKeys

  • TrackKeys(pk): void

  • Start requesting a set of keys to be loaded

    Parameters

    • pk: string | string[]

    Returns void

UntrackKeys

  • UntrackKeys(pk): void

  • Stop requesting a set of keys to be loaded

    Parameters

    • pk: string | string[]

    Returns void

Protected buildSub

  • buildSub(missing): RequestBuilder

  • Parameters

    • missing: string[]

    Returns RequestBuilder

fetch

  • fetch(key): Promise<undefined | UsersRelays>

  • Get object from cache or fetch if missing

    Parameters

    • key: string

    Returns Promise<undefined | UsersRelays>

getExpireCutoff

  • getExpireCutoff(): number

  • Returns number

Protected makePlaceholder

  • makePlaceholder(key): undefined | UsersRelays

  • Parameters

    • key: string

    Returns undefined | UsersRelays

name

  • name(): string

  • Returns string

onEvent

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