mirror of
https://github.com/nbd-wtf/nostr-tools.git
synced 2025-12-08 16:28:49 +00:00
rewrite relay.ts to be much simpler.
This commit is contained in:
fiatjaf
592
relay.ts
592
relay.ts
@@ -1,398 +1,284 @@
|
||||
/* global WebSocket */
|
||||
|
||||
import { verifySignature, validateEvent, type Event } from './event.ts'
|
||||
import { verifySignature, validateEvent, type Event, EventTemplate } from './event.ts'
|
||||
import { matchFilters, type Filter } from './filter.ts'
|
||||
import { getHex64, getSubscriptionId } from './fakejson.ts'
|
||||
import { MessageQueue } from './utils.ts'
|
||||
import { Queue, normalizeURL } from './utils.ts'
|
||||
import { nip42 } from './index.ts'
|
||||
|
||||
type RelayEvent = {
|
||||
connect: () => void | Promise<void>
|
||||
disconnect: () => void | Promise<void>
|
||||
error: () => void | Promise<void>
|
||||
notice: (msg: string) => void | Promise<void>
|
||||
auth: (challenge: string) => void | Promise<void>
|
||||
}
|
||||
export type CountPayload = {
|
||||
count: number
|
||||
}
|
||||
export type SubEvent = {
|
||||
event: (event: Event) => void | Promise<void>
|
||||
count: (payload: CountPayload) => void | Promise<void>
|
||||
eose: () => void | Promise<void>
|
||||
}
|
||||
export type Relay = {
|
||||
url: string
|
||||
status: number
|
||||
connect: () => Promise<void>
|
||||
close: () => void
|
||||
sub: (filters: Filter[], opts?: SubscriptionOptions) => Sub
|
||||
list: (filters: Filter[], opts?: SubscriptionOptions) => Promise<Event[]>
|
||||
get: (filter: Filter, opts?: SubscriptionOptions) => Promise<Event | null>
|
||||
count: (filters: Filter[], opts?: SubscriptionOptions) => Promise<CountPayload | null>
|
||||
publish: (event: Event) => Promise<void>
|
||||
auth: (event: Event) => Promise<void>
|
||||
off: <T extends keyof RelayEvent, U extends RelayEvent[T]>(event: T, listener: U) => void
|
||||
on: <T extends keyof RelayEvent, U extends RelayEvent[T]>(event: T, listener: U) => void
|
||||
}
|
||||
export type Sub = {
|
||||
sub: (filters: Filter[], opts: SubscriptionOptions) => Sub
|
||||
unsub: () => void
|
||||
on: <T extends keyof SubEvent, U extends SubEvent[T]>(event: T, listener: U) => void
|
||||
off: <T extends keyof SubEvent, U extends SubEvent[T]>(event: T, listener: U) => void
|
||||
events: AsyncGenerator<Event, void, unknown>
|
||||
export function relayConnect(url: string) {
|
||||
const relay = new Relay(url)
|
||||
relay.connect()
|
||||
return relay
|
||||
}
|
||||
|
||||
export type SubscriptionOptions = {
|
||||
id?: string
|
||||
verb?: 'REQ' | 'COUNT'
|
||||
skipVerification?: boolean
|
||||
alreadyHaveEvent?: null | ((id: string, relay: string) => boolean)
|
||||
eoseSubTimeout?: number
|
||||
}
|
||||
class Subscription {
|
||||
public readonly relay: Relay
|
||||
public readonly id: string
|
||||
public closed: boolean = false
|
||||
public eosed: boolean = false
|
||||
|
||||
const newListeners = (): { [TK in keyof RelayEvent]: RelayEvent[TK][] } => ({
|
||||
connect: [],
|
||||
disconnect: [],
|
||||
error: [],
|
||||
notice: [],
|
||||
auth: [],
|
||||
})
|
||||
public alreadyHaveEvent: ((id: string) => boolean) | null = null
|
||||
public receivedEvent: ((id: string) => boolean) | null = null
|
||||
public readonly filters: Filter[]
|
||||
|
||||
export function relayInit(
|
||||
url: string,
|
||||
options: {
|
||||
getTimeout?: number
|
||||
listTimeout?: number
|
||||
countTimeout?: number
|
||||
} = {},
|
||||
): Relay {
|
||||
let { listTimeout = 3000, getTimeout = 3000, countTimeout = 3000 } = options
|
||||
public onevent: (evt: Event) => void
|
||||
public oneose: (() => void) | null = null
|
||||
public onclose: ((reason: string) => void) | null = null
|
||||
|
||||
var ws: WebSocket
|
||||
var openSubs: { [id: string]: { filters: Filter[] } & SubscriptionOptions } = {}
|
||||
var listeners = newListeners()
|
||||
var subListeners: {
|
||||
[subid: string]: { [TK in keyof SubEvent]: SubEvent[TK][] }
|
||||
} = {}
|
||||
var pubListeners: {
|
||||
[eventid: string]: {
|
||||
resolve: (_: unknown) => void
|
||||
reject: (err: Error) => void
|
||||
constructor(relay: Relay, filters: Filter[], params: SubscriptionParams) {
|
||||
this.relay = relay
|
||||
this.filters = filters
|
||||
this.id = params.id
|
||||
this.onevent = params.onevent
|
||||
this.oneose = params.oneose || null
|
||||
this.onclose = params.onclose || null
|
||||
this.alreadyHaveEvent = params.alreadyHaveEvent || null
|
||||
this.receivedEvent = params.receivedEvent || null
|
||||
}
|
||||
|
||||
public close(reason: string) {
|
||||
if (!this.closed) {
|
||||
// if the connection was closed by the user calling .close() we will send a CLOSE message
|
||||
// otherwise this._open will be already set to false so we will skip this
|
||||
this.relay.send('["CLOSE",' + JSON.stringify(this.id) + ']')
|
||||
this.closed = true
|
||||
}
|
||||
} = {}
|
||||
this.onclose?.(reason)
|
||||
}
|
||||
}
|
||||
|
||||
var connectionPromise: Promise<void> | undefined
|
||||
async function connectRelay(): Promise<void> {
|
||||
if (connectionPromise) return connectionPromise
|
||||
connectionPromise = new Promise((resolve, reject) => {
|
||||
type SubscriptionParams = {
|
||||
id: string
|
||||
onevent: (evt: Event) => void
|
||||
oneose?: () => void
|
||||
onclose?: (reason: string) => void
|
||||
alreadyHaveEvent: ((id: string) => boolean) | null
|
||||
receivedEvent: ((id: string) => boolean) | null
|
||||
}
|
||||
|
||||
type CountResolver = {
|
||||
resolve: (count: number) => void
|
||||
reject: (err: Error) => void
|
||||
}
|
||||
|
||||
type EventPublishResolver = {
|
||||
resolve: (reason: string) => void
|
||||
reject: (err: Error) => void
|
||||
}
|
||||
|
||||
class Relay {
|
||||
public readonly url: string
|
||||
private _connected: boolean = false
|
||||
|
||||
public trusted: boolean = false
|
||||
public onclose: (() => void) | null = null
|
||||
public onnotice: (msg: string) => void = console.log
|
||||
|
||||
private connectionPromise: Promise<void> | undefined
|
||||
private openSubs = new Map<string, Subscription>()
|
||||
private openCountRequests = new Map<string, CountResolver>()
|
||||
private openEventPublishes = new Map<string, EventPublishResolver>()
|
||||
private ws: WebSocket | undefined
|
||||
private incomingMessageQueue = new Queue<string>()
|
||||
private handleNextInterval: ReturnType<typeof setInterval> | null = null
|
||||
private challenge: string | undefined
|
||||
private serial: number = 0
|
||||
|
||||
constructor(url: string) {
|
||||
this.url = normalizeURL(url)
|
||||
}
|
||||
|
||||
private closeAllSubscriptions(reason: string) {
|
||||
for (let [_, sub] of this.openSubs) {
|
||||
sub.close(reason)
|
||||
}
|
||||
this.openSubs.clear()
|
||||
|
||||
for (let [_, ep] of this.openEventPublishes) {
|
||||
ep.reject(new Error(reason))
|
||||
}
|
||||
this.openEventPublishes.clear()
|
||||
|
||||
for (let [_, cr] of this.openCountRequests) {
|
||||
cr.reject(new Error(reason))
|
||||
}
|
||||
this.openCountRequests.clear()
|
||||
}
|
||||
|
||||
public get connected(): boolean {
|
||||
return this._connected
|
||||
}
|
||||
|
||||
public async connect(): Promise<void> {
|
||||
if (this.connectionPromise) return this.connectionPromise
|
||||
this.connectionPromise = new Promise((resolve, reject) => {
|
||||
try {
|
||||
ws = new WebSocket(url)
|
||||
this.ws = new WebSocket(this.url)
|
||||
} catch (err) {
|
||||
reject(err)
|
||||
return
|
||||
}
|
||||
|
||||
ws.onopen = () => {
|
||||
listeners.connect.forEach(cb => cb())
|
||||
this.ws.onopen = () => {
|
||||
this._connected = true
|
||||
resolve()
|
||||
}
|
||||
ws.onerror = () => {
|
||||
connectionPromise = undefined
|
||||
listeners.error.forEach(cb => cb())
|
||||
|
||||
this.ws.onerror = () => {
|
||||
reject()
|
||||
}
|
||||
ws.onclose = async () => {
|
||||
connectionPromise = undefined
|
||||
listeners.disconnect.forEach(cb => cb())
|
||||
}
|
||||
|
||||
let incomingMessageQueue: MessageQueue = new MessageQueue()
|
||||
let handleNextInterval: any
|
||||
|
||||
ws.onmessage = e => {
|
||||
incomingMessageQueue.enqueue(e.data)
|
||||
if (!handleNextInterval) {
|
||||
handleNextInterval = setInterval(handleNext, 0)
|
||||
if (this._connected) {
|
||||
this.onclose?.()
|
||||
this.closeAllSubscriptions('relay connection errored')
|
||||
this._connected = false
|
||||
}
|
||||
}
|
||||
|
||||
function handleNext() {
|
||||
if (incomingMessageQueue.size === 0) {
|
||||
clearInterval(handleNextInterval)
|
||||
handleNextInterval = null
|
||||
return
|
||||
}
|
||||
this.ws.onclose = async () => {
|
||||
this.connectionPromise = undefined
|
||||
this.onclose?.()
|
||||
this.closeAllSubscriptions('relay connection closed')
|
||||
this._connected = false
|
||||
}
|
||||
|
||||
var json = incomingMessageQueue.dequeue()
|
||||
if (!json) return
|
||||
|
||||
let subid = getSubscriptionId(json)
|
||||
if (subid) {
|
||||
let so = openSubs[subid]
|
||||
if (so && so.alreadyHaveEvent && so.alreadyHaveEvent(getHex64(json, 'id'), url)) {
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
try {
|
||||
let data = JSON.parse(json)
|
||||
|
||||
// we won't do any checks against the data since all failures (i.e. invalid messages from relays)
|
||||
// will naturally be caught by the encompassing try..catch block
|
||||
|
||||
switch (data[0]) {
|
||||
case 'EVENT': {
|
||||
let id = data[1]
|
||||
let event = data[2]
|
||||
if (
|
||||
validateEvent(event) &&
|
||||
openSubs[id] &&
|
||||
(openSubs[id].skipVerification || verifySignature(event)) &&
|
||||
matchFilters(openSubs[id].filters, event)
|
||||
) {
|
||||
openSubs[id]
|
||||
;(subListeners[id]?.event || []).forEach(cb => cb(event))
|
||||
}
|
||||
return
|
||||
}
|
||||
case 'COUNT':
|
||||
let id = data[1]
|
||||
let payload = data[2]
|
||||
if (openSubs[id]) {
|
||||
;(subListeners[id]?.count || []).forEach(cb => cb(payload))
|
||||
}
|
||||
return
|
||||
case 'EOSE': {
|
||||
let id = data[1]
|
||||
if (id in subListeners) {
|
||||
subListeners[id].eose.forEach(cb => cb())
|
||||
subListeners[id].eose = [] // 'eose' only happens once per sub, so stop listeners here
|
||||
}
|
||||
return
|
||||
}
|
||||
case 'OK': {
|
||||
let id: string = data[1]
|
||||
let ok: boolean = data[2]
|
||||
let reason: string = data[3] || ''
|
||||
if (id in pubListeners) {
|
||||
let { resolve, reject } = pubListeners[id]
|
||||
if (ok) resolve(null)
|
||||
else reject(new Error(reason))
|
||||
}
|
||||
return
|
||||
}
|
||||
case 'NOTICE':
|
||||
let notice = data[1]
|
||||
listeners.notice.forEach(cb => cb(notice))
|
||||
return
|
||||
case 'AUTH': {
|
||||
let challenge = data[1]
|
||||
listeners.auth?.forEach(cb => cb(challenge))
|
||||
return
|
||||
}
|
||||
}
|
||||
} catch (err) {
|
||||
return
|
||||
this.ws.onmessage = ev => {
|
||||
this.incomingMessageQueue.enqueue(ev.data as string)
|
||||
if (!this.handleNextInterval) {
|
||||
this.handleNextInterval = setInterval(this.handleNext.bind(this), 0)
|
||||
}
|
||||
}
|
||||
})
|
||||
|
||||
return connectionPromise
|
||||
}
|
||||
|
||||
function connected() {
|
||||
return ws?.readyState === 1
|
||||
}
|
||||
private handleNext() {
|
||||
const json = this.incomingMessageQueue.dequeue()
|
||||
if (!json) {
|
||||
clearInterval(this.handleNextInterval as ReturnType<typeof setInterval>)
|
||||
this.handleNextInterval = null
|
||||
return
|
||||
}
|
||||
|
||||
async function connect(): Promise<void> {
|
||||
if (connected()) return // ws already open
|
||||
await connectRelay()
|
||||
}
|
||||
const subid = getSubscriptionId(json)
|
||||
if (subid) {
|
||||
const so = this.openSubs.get(subid as string)
|
||||
if (!so) {
|
||||
// this is an EVENT message, but for a subscription we don't have, so just stop here
|
||||
return
|
||||
}
|
||||
|
||||
async function trySend(params: [string, ...any]) {
|
||||
let msg = JSON.stringify(params)
|
||||
if (!connected()) {
|
||||
await new Promise(resolve => setTimeout(resolve, 1000))
|
||||
if (!connected()) {
|
||||
// this will be called only when this message is a EVENT message for a subscription we have
|
||||
// we do this before parsing the JSON to not have to do that for duplicate events
|
||||
// since JSON parsing is slow
|
||||
const id = getHex64(json, 'id')
|
||||
so.receivedEvent?.(id) // this is so the client knows this relay had this event
|
||||
if (so.alreadyHaveEvent?.(id)) {
|
||||
// if we had already seen this event we can just stop here
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
try {
|
||||
ws.send(msg)
|
||||
let data = JSON.parse(json)
|
||||
// we won't do any checks against the data since all failures (i.e. invalid messages from relays)
|
||||
// will naturally be caught by the encompassing try..catch block
|
||||
|
||||
switch (data[0]) {
|
||||
case 'EVENT': {
|
||||
const so = this.openSubs.get(data[1] as string) as Subscription
|
||||
const event = data[2] as Event
|
||||
if ((this.trusted || (validateEvent(event) && verifySignature(event))) && matchFilters(so.filters, event)) {
|
||||
so.onevent(event)
|
||||
}
|
||||
return
|
||||
}
|
||||
case 'COUNT': {
|
||||
const id: string = data[1]
|
||||
const payload = data[2] as { count: number }
|
||||
const cr = this.openCountRequests.get(id) as CountResolver
|
||||
if (cr) {
|
||||
cr.resolve(payload.count)
|
||||
this.openCountRequests.delete(id)
|
||||
}
|
||||
return
|
||||
}
|
||||
case 'EOSE': {
|
||||
const so = this.openSubs.get(data[1] as string)
|
||||
if (!so || so.eosed) return
|
||||
so.eosed = true
|
||||
so.oneose?.()
|
||||
return
|
||||
}
|
||||
case 'OK': {
|
||||
const id: string = data[1]
|
||||
const ok: boolean = data[2]
|
||||
const reason: string = data[3]
|
||||
const ep = this.openEventPublishes.get(id) as EventPublishResolver
|
||||
if (ok) ep.resolve(reason)
|
||||
else ep.reject(new Error(reason))
|
||||
this.openEventPublishes.delete(id)
|
||||
return
|
||||
}
|
||||
case 'CLOSED': {
|
||||
const id: string = data[1]
|
||||
const so = this.openSubs.get(id)
|
||||
if (!so) return
|
||||
so.closed = true
|
||||
so.close(data[2] as string)
|
||||
this.openSubs.delete(id)
|
||||
return
|
||||
}
|
||||
case 'NOTICE':
|
||||
this.onnotice(data[1] as string)
|
||||
return
|
||||
case 'AUTH': {
|
||||
this.challenge = data[1] as string
|
||||
return
|
||||
}
|
||||
}
|
||||
} catch (err) {
|
||||
console.log(err)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
const sub = (
|
||||
filters: Filter[],
|
||||
{
|
||||
verb = 'REQ',
|
||||
skipVerification = false,
|
||||
alreadyHaveEvent = null,
|
||||
id = Math.random().toString().slice(2),
|
||||
}: SubscriptionOptions = {},
|
||||
): Sub => {
|
||||
let subid = id
|
||||
public async send(message: string) {
|
||||
await this.connect()
|
||||
this.ws?.send(message)
|
||||
}
|
||||
|
||||
openSubs[subid] = {
|
||||
id: subid,
|
||||
filters,
|
||||
skipVerification,
|
||||
alreadyHaveEvent,
|
||||
}
|
||||
trySend([verb, subid, ...filters])
|
||||
public async auth(signAuthEvent: (authEvent: EventTemplate) => Promise<void>) {
|
||||
if (!this.challenge) throw new Error("can't perform auth, no challenge was received")
|
||||
const evt = nip42.makeAuthEvent(this.url, this.challenge)
|
||||
await Promise.all([signAuthEvent(evt), this.connect()])
|
||||
this.ws?.send('["AUTH",' + JSON.stringify(evt) + ']')
|
||||
}
|
||||
|
||||
let subscription: Sub = {
|
||||
sub: (newFilters, newOpts = {}) =>
|
||||
sub(newFilters || filters, {
|
||||
skipVerification: newOpts.skipVerification || skipVerification,
|
||||
alreadyHaveEvent: newOpts.alreadyHaveEvent || alreadyHaveEvent,
|
||||
id: subid,
|
||||
}),
|
||||
unsub: () => {
|
||||
delete openSubs[subid]
|
||||
delete subListeners[subid]
|
||||
trySend(['CLOSE', subid])
|
||||
},
|
||||
on: (type, cb) => {
|
||||
subListeners[subid] = subListeners[subid] || {
|
||||
event: [],
|
||||
count: [],
|
||||
eose: [],
|
||||
}
|
||||
subListeners[subid][type].push(cb)
|
||||
},
|
||||
off: (type, cb): void => {
|
||||
let listeners = subListeners[subid]
|
||||
let idx = listeners[type].indexOf(cb)
|
||||
if (idx >= 0) listeners[type].splice(idx, 1)
|
||||
},
|
||||
get events() {
|
||||
return eventsGenerator(subscription)
|
||||
},
|
||||
}
|
||||
public async publish(event: Event) {
|
||||
await this.connect()
|
||||
const ret = new Promise((resolve, reject) => {
|
||||
this.openEventPublishes.set(event.id, { resolve, reject })
|
||||
})
|
||||
this.ws?.send('["EVENT",' + JSON.stringify(event) + ']')
|
||||
return ret
|
||||
}
|
||||
|
||||
public async count(filters: Filter[], params: { id?: string | null }) {
|
||||
await this.connect()
|
||||
this.serial++
|
||||
const id = params?.id || 'count:' + this.serial
|
||||
const ret = new Promise((resolve, reject) => {
|
||||
this.openCountRequests.set(id, { resolve, reject })
|
||||
})
|
||||
this.ws?.send('["COUNT","' + id + '"' + JSON.stringify(filters) + ']')
|
||||
return ret
|
||||
}
|
||||
|
||||
public async subscribe(filters: Filter[], params: SubscriptionParams & { id: string | undefined }) {
|
||||
await this.connect()
|
||||
this.serial++
|
||||
params.id = params.id || 'sub:' + this.serial
|
||||
const subscription = new Subscription(this, filters, params)
|
||||
this.openSubs.set(params.id, subscription)
|
||||
this.ws?.send('["REQ","' + params.id + '"' + JSON.stringify(filters) + ']')
|
||||
return subscription
|
||||
}
|
||||
|
||||
function _publishEvent(event: Event, type: string) {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (!event.id) {
|
||||
reject(new Error(`event ${event} has no id`))
|
||||
return
|
||||
}
|
||||
|
||||
let id = event.id
|
||||
trySend([type, event])
|
||||
pubListeners[id] = { resolve, reject }
|
||||
})
|
||||
}
|
||||
|
||||
return {
|
||||
url,
|
||||
sub,
|
||||
on: <T extends keyof RelayEvent, U extends RelayEvent[T]>(type: T, cb: U): void => {
|
||||
listeners[type].push(cb)
|
||||
if (type === 'connect' && ws?.readyState === 1) {
|
||||
// i would love to know why we need this
|
||||
;(cb as () => void)()
|
||||
}
|
||||
},
|
||||
off: <T extends keyof RelayEvent, U extends RelayEvent[T]>(type: T, cb: U): void => {
|
||||
let index = listeners[type].indexOf(cb)
|
||||
if (index !== -1) listeners[type].splice(index, 1)
|
||||
},
|
||||
list: (filters, opts?: SubscriptionOptions) =>
|
||||
new Promise(resolve => {
|
||||
let s = sub(filters, opts)
|
||||
let events: Event[] = []
|
||||
let timeout = setTimeout(() => {
|
||||
s.unsub()
|
||||
resolve(events)
|
||||
}, listTimeout)
|
||||
s.on('eose', () => {
|
||||
s.unsub()
|
||||
clearTimeout(timeout)
|
||||
resolve(events)
|
||||
})
|
||||
s.on('event', event => {
|
||||
events.push(event)
|
||||
})
|
||||
}),
|
||||
get: (filter, opts?: SubscriptionOptions) =>
|
||||
new Promise(resolve => {
|
||||
let s = sub([filter], opts)
|
||||
let timeout = setTimeout(() => {
|
||||
s.unsub()
|
||||
resolve(null)
|
||||
}, getTimeout)
|
||||
s.on('event', event => {
|
||||
s.unsub()
|
||||
clearTimeout(timeout)
|
||||
resolve(event)
|
||||
})
|
||||
}),
|
||||
count: (filters: Filter[]): Promise<CountPayload | null> =>
|
||||
new Promise(resolve => {
|
||||
let s = sub(filters, { ...sub, verb: 'COUNT' })
|
||||
let timeout = setTimeout(() => {
|
||||
s.unsub()
|
||||
resolve(null)
|
||||
}, countTimeout)
|
||||
s.on('count', (event: CountPayload) => {
|
||||
s.unsub()
|
||||
clearTimeout(timeout)
|
||||
resolve(event)
|
||||
})
|
||||
}),
|
||||
async publish(event): Promise<void> {
|
||||
await _publishEvent(event, 'EVENT')
|
||||
},
|
||||
async auth(event): Promise<void> {
|
||||
await _publishEvent(event, 'AUTH')
|
||||
},
|
||||
connect,
|
||||
close(): void {
|
||||
listeners = newListeners()
|
||||
subListeners = {}
|
||||
pubListeners = {}
|
||||
if (ws?.readyState === WebSocket.OPEN) {
|
||||
ws.close()
|
||||
}
|
||||
},
|
||||
get status() {
|
||||
return ws?.readyState ?? 3
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
export async function* eventsGenerator(sub: Sub): AsyncGenerator<Event, void, unknown> {
|
||||
let nextResolve: ((event: Event) => void) | undefined
|
||||
const eventQueue: Event[] = []
|
||||
|
||||
const pushToQueue = (event: Event) => {
|
||||
if (nextResolve) {
|
||||
nextResolve(event)
|
||||
nextResolve = undefined
|
||||
} else {
|
||||
eventQueue.push(event)
|
||||
}
|
||||
}
|
||||
|
||||
sub.on('event', pushToQueue)
|
||||
|
||||
try {
|
||||
while (true) {
|
||||
if (eventQueue.length > 0) {
|
||||
yield eventQueue.shift()!
|
||||
} else {
|
||||
const event = await new Promise<Event>(resolve => {
|
||||
nextResolve = resolve
|
||||
})
|
||||
yield event
|
||||
}
|
||||
}
|
||||
} finally {
|
||||
sub.off('event', pushToQueue)
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user