Class ProfileLoaderService

Hierarchy

BackgroundLoader<CachedMetadata>
- ProfileLoaderService

Index

Constructors

Properties

#log #system #wantsKeys cache loaderFn?

Methods

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

Constructors

constructor

new ProfileLoaderService(system, cache): ProfileLoaderService
Parameters
- system: SystemInterface
- cache: FeedCache<CachedMetadata>
Returns ProfileLoaderService
Inherited from BackgroundLoader<CachedMetadata>.constructor
- Defined in packages/system/src/background-loader.ts:20

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<CachedMetadata>

`Optional` loaderFn

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

Custom loader function for fetching data from alternative sources

Type declaration

- (pubkeys): Promise<CachedMetadata[]>
- Custom loader function for fetching data from alternative sources
  Parameters
  - pubkeys: string[]
  Returns Promise<CachedMetadata[]>

Methods

`Private` #FetchMetadata

#FetchMetadata(): Promise<void>
Returns Promise<void>
Inherited from BackgroundLoader.#FetchMetadata
- Defined in packages/system/src/background-loader.ts:94

`Private` #loadData

#loadData(missing): Promise<CachedMetadata[]>
Parameters
- missing: string[]
Returns Promise<CachedMetadata[]>
Inherited from BackgroundLoader.#loadData
- Defined in packages/system/src/background-loader.ts:119

TrackKeys

TrackKeys(pk): void
Start requesting a set of keys to be loaded
Parameters
- pk: string | string[]
Returns void
Inherited from BackgroundLoader.TrackKeys
- Defined in packages/system/src/background-loader.ts:54

UntrackKeys

UntrackKeys(pk): void
Stop requesting a set of keys to be loaded
Parameters
- pk: string | string[]
Returns void
Inherited from BackgroundLoader.UntrackKeys
- Defined in packages/system/src/background-loader.ts:63

buildSub

buildSub(missing): RequestBuilder
Parameters
- missing: string[]
Returns RequestBuilder
Overrides BackgroundLoader.buildSub
- Defined in packages/system/src/profile-cache.ts:20

fetch

fetch(key): Promise<undefined | CachedMetadata>
Get object from cache or fetch if missing
Parameters
- key: string
Returns Promise<undefined | CachedMetadata>
Inherited from BackgroundLoader.fetch
- Defined in packages/system/src/background-loader.ts:72

getExpireCutoff

getExpireCutoff(): number
Returns number
Overrides BackgroundLoader.getExpireCutoff
- Defined in packages/system/src/profile-cache.ts:16

`Protected` makePlaceholder

makePlaceholder(key): undefined | CachedMetadata
Parameters
- key: string
Returns undefined | CachedMetadata
Overrides BackgroundLoader.makePlaceholder
- Defined in packages/system/src/profile-cache.ts:26

name

name(): string
Returns string
Overrides BackgroundLoader.name
- Defined in packages/system/src/profile-cache.ts:8

onEvent

onEvent(e): undefined | CachedMetadata
Parameters
- e: Readonly<TaggedNostrEvent>
Returns undefined | CachedMetadata
Overrides BackgroundLoader.onEvent
- Defined in packages/system/src/profile-cache.ts:12

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