Files
welshman/packages/app/src/core.ts
T
2024-09-02 11:26:24 -07:00

43 lines
1.2 KiB
TypeScript

import {first} from "@welshman/lib"
import {Repository, Relay} from "@welshman/util"
import type {TrustedEvent} from "@welshman/util"
import {Tracker, subscribe as baseSubscribe} from "@welshman/net"
import type {SubscribeRequest} from "@welshman/net"
import {createEventStore} from "@welshman/store"
export const env: {
DUFFLEPUD_URL?: string
[key: string]: any
} = {
DUFFLEPUD_URL: undefined,
}
export const repository = new Repository<TrustedEvent>()
export const events = createEventStore(repository)
export const relay = new Relay(repository)
export const tracker = new Tracker()
export const subscribe = (request: SubscribeRequest) => {
const sub = baseSubscribe({delay: 50, authTimeout: 3000, ...request})
sub.emitter.on("event", (url: string, e: TrustedEvent) => {
repository.publish(e)
})
return sub
}
export const load = (request: SubscribeRequest) =>
new Promise<TrustedEvent[]>(resolve => {
const sub = subscribe({closeOnEose: true, timeout: 3000, ...request})
const events: TrustedEvent[] = []
sub.emitter.on("event", (url: string, e: TrustedEvent) => events.push(e))
sub.emitter.on("complete", () => resolve(events))
})
export const loadOne = async (request: SubscribeRequest) => first(await load(request))