method

attached?

rails latest stable - Class: ActiveStorage::Attached::One

attached?()

public

Returns true if an attachment has been made.

class User < ApplicationRecord
  has_one_attached :avatar
end

User.new.avatar.attached? # => false

# File activestorage/lib/active_storage/attached/one.rb, line 73
    def attached?
      attachment.present?
    end