style: 🚨 fix linter warning

src/@types/tor.ts

@@ -0,0 +1,5 @@
+export interface TorConfig {
+  host: string
+  port: number
+  password: string
+}

src/tor/client.ts

@@ -1,83 +1,83 @@
-import {Tor} from "tor-control-ts"
+import { readFile, writeFile } from 'fs/promises'
+import { homedir } from 'os'
+import { join } from 'path'
+import { Tor } from 'tor-control-ts'
+
 import { createLogger } from '../factories/logger-factory'
-import {readFile,writeFile} from 'fs/promises';
-import { homedir } from "os";
-import { join } from "path";
+import { TorConfig } from '../@types/tor'
 
 
-interface torParams{
-    host:string;
-    port:number;
-    password:string;
-}
-
 const debug = createLogger('tor-client')
 
-const getPrivKeyFile = ()=>{
-    return join(process.env.NOSTR_CONFIG_DIR ?? join(homedir(), '.nostr'),"v3_onion_private_key");
+const getPrivateKeyFile = () => {
+  return join(
+    process.env.NOSTR_CONFIG_DIR ?? join(homedir(), '.nostr'),
+    'v3_onion_private_key'
+  )
 }
 
-const createTorConfig = ():torParams => {
-    return {
-        host:process.env.TOR_HOST,
-        port:Number(process.env.TOR_CONTROL_PORT),
-        password:process.env.TOR_PASSWORD
-    };
+const createTorConfig = (): TorConfig => {
+  return {
+    host: process.env.TOR_HOST,
+    port: process.env.TOR_CONTROL_PORT ? Number(process.env.TOR_CONTROL_PORT) : 9051,
+    password: process.env.TOR_PASSWORD,
+  }
 }
 
-let client:any = null;
+let client: Tor | undefined
 
 export const getTorClient = async () => {
-    if (!client) {
-        const config = createTorConfig();
-        debug('config: %o', config);
-        //client = knex(config)
-        if(config.port){
-            debug('connecting');
-            client = new Tor(config);
-            await client.connect();
-            debug('connected to tor');
-        }
-        
-    }
+  if (!client) {
+    const config = createTorConfig()
+    debug('config: %o', config)
 
-    return client
+    if (config.port) {
+      debug('connecting')
+      client = new Tor(config)
+      await client.connect()
+      debug('connected')
+    }
+  }
+
+  return client
 }
-export const addOnion = async (port:number,host?:string):Promise<string>=>{
-    let privateKey = null;
 
-    try {
-        
-        let data = await readFile(getPrivKeyFile(),{
-            encoding:"utf-8"
-        });
-        if(data && data.length){
-            privateKey = data;
-        }
-        debug('privateKey: %o', privateKey);
-    } catch (error) {
-        debug('addOnion catch: %o', error);
+export const addOnion = async (
+  port: number,
+  host?: string
+): Promise<string> => {
+  let privateKey = null
+  const path = getPrivateKeyFile()
+
+  try {
+    debug('reading private key from %s', path)
+    const data = await readFile(path, 'utf8')
+    if (data?.length) {
+      privateKey = data
+      debug('privateKey: %o', privateKey)
     }
+  } catch (error) {
+    debug('error reading private key: %o', error)
+  }
 
-    try {
-        await getTorClient();
-        if(client){
-            let hs = await client.addOnion(port,host,privateKey);
-            if(hs && hs.PrivateKey){
-                await writeFile(getPrivKeyFile(),hs.PrivateKey,{
-                    encoding:"utf-8"
-                });
-            }
-
-            debug('hs: %o', hs);
-            debug('hidden service: ', hs.ServiceID+":"+port);
-            return hs.ServiceID;
-        }else{
-            return null;
-        }
-    } catch (error) {
-        debug('addOnion catch: %o', error);
-        return null;
+  try {
+    const client = await getTorClient()
+    if (!client) {
+      return
     }
+    if (client) {
+      const hiddenService = await client.addOnion(port, host, privateKey)
+      debug('hidden service: %s:%d', hiddenService.ServiceID, port)
 
-}
+      if (hiddenService?.PrivateKey) {
+        debug('saving private key to %s', path)
+
+        await writeFile(path, hiddenService.PrivateKey, 'utf8')
+      }
+
+      return hiddenService.ServiceID
+    }
+  } catch (error) {
+    console.error('error adding onion: %o', error)
+  }
+}