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