some small bugs codebuff found.

abstract-relay.ts

@@ -90,6 +90,7 @@ export class AbstractRelay {
       try {
         this.ws = new this._WebSocket(this.url)
       } catch (err) {
+        clearTimeout(this.connectionTimeoutHandle)
         reject(err)
         return
       }
@@ -101,6 +102,7 @@ export class AbstractRelay {
       }
 
       this.ws.onerror = ev => {
+        clearTimeout(this.connectionTimeoutHandle)
         reject((ev as any).message || 'websocket error')
         if (this._connected) {
           this._connected = false

core.ts

@@ -43,7 +43,7 @@ export function validateEvent<T>(event: T): event is T & UnsignedEvent {
     let tag = event.tags[i]
     if (!Array.isArray(tag)) return false
     for (let j = 0; j < tag.length; j++) {
-      if (typeof tag[j] === 'object') return false
+      if (typeof tag[j] !== 'string') return false
     }
   }
 

utils.ts

@@ -4,14 +4,18 @@ export const utf8Decoder: TextDecoder = new TextDecoder('utf-8')
 export const utf8Encoder: TextEncoder = new TextEncoder()
 
 export function normalizeURL(url: string): string {
-  if (url.indexOf('://') === -1) url = 'wss://' + url
-  let p = new URL(url)
-  p.pathname = p.pathname.replace(/\/+/g, '/')
-  if (p.pathname.endsWith('/')) p.pathname = p.pathname.slice(0, -1)
-  if ((p.port === '80' && p.protocol === 'ws:') || (p.port === '443' && p.protocol === 'wss:')) p.port = ''
-  p.searchParams.sort()
-  p.hash = ''
-  return p.toString()
+  try {
+    if (url.indexOf('://') === -1) url = 'wss://' + url
+    let p = new URL(url)
+    p.pathname = p.pathname.replace(/\/+/g, '/')
+    if (p.pathname.endsWith('/')) p.pathname = p.pathname.slice(0, -1)
+    if ((p.port === '80' && p.protocol === 'ws:') || (p.port === '443' && p.protocol === 'wss:')) p.port = ''
+    p.searchParams.sort()
+    p.hash = ''
+    return p.toString()
+  } catch (e) {
+    throw new Error(`Invalid URL: ${url}`)
+  }
 }
 
 export function insertEventIntoDescendingList(sortedArray: Event[], event: Event): Event[] {
@@ -111,6 +115,9 @@ export class Queue<V> {
 
     const target = this.first
     this.first = target.next
+    if (this.first) {
+      this.first.prev = null // fix: clean up prev pointer
+    }
 
     return target.value
   }