Jonathan Staab
48 lines
935 B
TypeScript
48 lines
935 B
TypeScript
import {Relay} from "./Relay"
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const normalizeUrl = url => url.replace(/\/+$/, "").toLowerCase().trim()
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export class Pool {
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relays: Map<string, Relay>
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constructor() {
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this.relays = new Map()
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}
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add(url) {
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url = normalizeUrl(url)
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if (!this.relays.has(url)) {
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this.relays.set(url, new Relay(url))
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}
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return this.relays.get(url)
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}
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remove(url) {
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url = normalizeUrl(url)
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this.relays.get(url)?.disconnect()
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this.relays.delete(url)
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}
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async waitFor(url) {
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const relay = this.add(url)
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await relay.connect()
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return relay.status === Relay.STATUS.READY ? relay : null
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}
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async execute(urls, callback) {
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const results = await Promise.all([
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urls.map(async url => {
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const relay = await this.waitFor(url)
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if (!relay) {
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return null
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}
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return [relay, callback(relay)]
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}),
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])
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return results.filter(Boolean)
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}
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}
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