フォーム要素の ID をカスタマイズする方法
as
参考：
form_forでprefixを指定する – There’s an echo in my head
dom_id
参考：
dom_id – ActionView::RecordIdentifier | Ruby on Rails API [Official]
rails/record_identifier.rb at v5.2.1 · rails/rails – GitHub
rails/form_helper.rb at v5.2.1 · rails/rails – GitHub
record_key_for_dom_id
参考：
record_key_for_dom_id – ActionView::RecordIdentifier | Ruby on Rails API [Official]
rails/record_identifier.rb at v5.2.1 · rails/rails – GitHub
form_with_generates_ids
参考：
rails/form_helper.rb at v5.2.1 · rails/rails – GitHub
rails/railtie.rb at v5.2.1 · rails/rails – GitHub
rails/configuration.rb at v5.2.1 · rails/rails – GitHub
tag_id
参考：
rails/base.rb at v5.2.1 · rails/rails – GitHub
object_name
参考：
rails/base.rb at v5.2.1 · rails/rails – GitHub
field_helpers
参考：