refactor: close if data.nil

Author: pekopekopekopayo

lib/ld-eventsource/client.rb

@@ -119,7 +119,6 @@ def initialize(uri,
       @uri = URI(uri)
       @stopped = Concurrent::AtomicBoolean.new(false)
       @retry_enabled = retry_enabled
-      @eof = false
 
       @headers = headers.clone
       @connect_timeout = connect_timeout
@@ -266,7 +265,6 @@ def run_stream
           # connected but before @cxn was set. Checking the variable again is a bit clunky but avoids that.
           return if @stopped.value
           read_stream(resp) unless resp.nil?
-          return close if @eof
         rescue => e
           # When we deliberately close the connection, it will usually trigger an exception. The exact type
           # of exception depends on the specific Ruby runtime. But @stopped will always be set in this case.
@@ -348,7 +346,7 @@ def read_stream(cxn)
             end
 
             if data.nil?
-              @eof = true
+              close
               break
             end