lib/httpx/resolver.rb in httpx-1.1.0 vs lib/httpx/resolver.rb in httpx-1.1.1

@@ -3,11 +3,11 @@
 require "resolv"
 require "ipaddr"
 
 module HTTPX
   module Resolver
-    RESOLVE_TIMEOUT = 5
+    RESOLVE_TIMEOUT = [2, 3].freeze
 
     require "httpx/resolver/resolver"
     require "httpx/resolver/system"
     require "httpx/resolver/native"
     require "httpx/resolver/https"
@@ -85,19 +85,21 @@
 
     # do not use directly!
     def lookup(hostname, ttl)
       return unless @lookups.key?(hostname)
 
-      @lookups[hostname] = @lookups[hostname].select do |address|
+      entries = @lookups[hostname] = @lookups[hostname].select do |address|
         address["TTL"] > ttl
       end
-      ips = @lookups[hostname].flat_map do |address|
+
+      ips = entries.flat_map do |address|
         if address.key?("alias")
           lookup(address["alias"], ttl)
         else
           IPAddr.new(address["data"])
         end
-      end
+      end.compact
+
       ips unless ips.empty?
     end
 
     def generate_id
       @identifier_mutex.synchronize { @identifier = (@identifier + 1) & 0xFFFF }