import { callModule as callModuleKernel, connectModule as connectModuleKernel, } from "libkernel"; import { callModule as callModuleModule, connectModule as connectModuleModule, } from "libkmodule"; import { EventEmitter } from "events"; const DHT_MODULE = "AQD1IgE4lTZkq1fqdoYGojKRNrSk0YQ_wrHbRtIiHDrnow"; let callModule, connectModule; if (typeof window !== "undefined" && window?.document) { callModule = callModuleKernel; connectModule = connectModuleKernel; } else { callModule = callModuleModule; connectModule = connectModuleModule; } export class DHT { async connect(pubkey) { const [resp, err] = await callModule(DHT_MODULE, "connect", { pubkey }); if (err) { throw new Error(err); } return new Socket(resp.id); } async ready() { return callModule(DHT_MODULE, "ready"); } async addRelay(pubkey) { const [, err] = await callModule(DHT_MODULE, "addRelay", { pubkey }); if (err) { throw new Error(err); } } } export class Socket extends EventEmitter { id; eventUpdates = {}; constructor(id) { super(); this.id = id; } on(eventName, listener) { const [update, promise] = connectModule(DHT_MODULE, "listenSocketEvent", { id: this.id, event: eventName }, (data) => { this.emit(eventName, data); }); this.trackEvent(eventName, update); promise.then(() => { this.off(eventName, listener); }); return super.on(eventName, listener); } off(type, listener) { const updates = [...this.eventUpdates[type]]; this.eventUpdates[type] = []; for (const func of updates) { func({ action: "off" }); } return super.off(type, listener); } write(message) { callModule(DHT_MODULE, "write", { id: this.id, message }); } end() { callModule(DHT_MODULE, "close", { id: this.id }); } ensureEvent(event) { if (!(event in this.eventUpdates)) { this.eventUpdates[event] = []; } } trackEvent(event, update) { this.ensureEvent(event); this.eventUpdates[event].push(update); } }