From 087ed84367537ac168ed3e00bb7eb4bd582dc3d0 Mon Sep 17 00:00:00 2001
From: luigi <007.lva@gmail.com>
Date: Sat, 9 Jan 2021 18:32:01 -0500
Subject: Optimize map { ... }.compact calls (#15513)

* Optimize map { ... }.compact

using Enumerable#filter_map, supported since Ruby 2.7

* Add poyfill for Enumerable#filter_map
---
 app/validators/existing_username_validator.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'app/validators/existing_username_validator.rb')

diff --git a/app/validators/existing_username_validator.rb b/app/validators/existing_username_validator.rb
index b31d09827..723302ec9 100644
--- a/app/validators/existing_username_validator.rb
+++ b/app/validators/existing_username_validator.rb
@@ -5,7 +5,7 @@ class ExistingUsernameValidator < ActiveModel::EachValidator
     return if value.blank?
 
     if options[:multiple]
-      missing_usernames = value.split(',').map { |username| username.strip.gsub(/\A@/, '') }.map { |username| username unless Account.find_local(username) }.compact
+      missing_usernames = value.split(',').map { |username| username.strip.gsub(/\A@/, '') }.filter_map { |username| username unless Account.find_local(username) }
       record.errors.add(attribute, I18n.t('existing_username_validator.not_found_multiple', usernames: missing_usernames.join(', '))) if missing_usernames.any?
     else
       record.errors.add(attribute, I18n.t('existing_username_validator.not_found')) unless Account.find_local(value.strip.gsub(/\A@/, ''))
-- 
cgit