Properly handle boolean options in the fields_for helper

demo/app/models/address.rb

@@ -1,3 +1,5 @@
 class Address < ApplicationRecord
   belongs_to :user
+
+  validates :city, presence: true
 end

demo/app/models/model_user.rb

@@ -1,5 +1,6 @@
 class ModelUser
   include ActiveModel::Model
+
   attr_accessor :email, :password, :comments, :misc
 
   validates :email, :password, presence: true

gemfiles/8.0.gemfile

@@ -4,6 +4,6 @@ eval File.read(gems), binding, gems # rubocop: disable Security/Eval
 gem "bigdecimal" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0")
 gem "drb" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0")
 gem "mutex_m" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0")
-gem "rails", "~> 8.0.1"
 gem "propshaft"
+gem "rails", "~> 8.0.1"
 gem "sqlite3"

gemfiles/edge.gemfile

@@ -4,6 +4,6 @@ eval File.read(gems), binding, gems # rubocop: disable Security/Eval
 gem "bigdecimal" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0")
 gem "drb" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0")
 gem "mutex_m" if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0")
-gem "rails", git: "https://github.com/rails/rails.git", branch: "main"
 gem "propshaft"
+gem "rails", git: "https://github.com/rails/rails.git", branch: "main"
 gem "sqlite3"

lib/bootstrap_form/form_builder.rb

@@ -90,7 +90,7 @@ def fields_for_options(record_object, fields_options)
       field_options = fields_options
       field_options = record_object if record_object.is_a?(Hash) && record_object.extractable_options?
       %i[layout control_col inline_errors label_errors].each do |option|
-        field_options[option] ||= options[option]
+        field_options[option] = field_options.key?(option) ? field_options[option] : options[option]
       end
       field_options[:label_col] = field_options[:label_col].present? ? field_options[:label_col].to_s : options[:label_col]
       field_options

test/bootstrap_fields_for_test.rb

@@ -25,6 +25,28 @@ class BootstrapFieldsForTest < ActionView::TestCase
     assert_equivalent_html expected, output
   end
 
+  test "bootstrap_fields_for helper works with boolean options" do
+    @user.address = Address.new
+    @user.valid?
+
+    output = bootstrap_form_for(@user, inline_errors: true) do |_f|
+      bootstrap_fields_for :address, @user.address, inline_errors: false do |af|
+        af.text_field(:city)
+      end
+    end
+
+    expected = <<~HTML
+      <form accept-charset="UTF-8" action="/users" class="new_user" id="new_user" method="post">
+        <div class="mb-3">
+          <label class="form-label required" for="address_city">City</label>
+          <input class="form-control is-invalid" id="address_city" name="address[city]" type="text" required="required" />
+          <!-- No `<div class="invalid-feedback">can't be blank</div>` -->
+        </div>
+      </form>
+    HTML
+    assert_equivalent_html expected, output
+  end
+
   test "bootstrap_fields_for helper works for serialized hash attributes" do
     @user.preferences = { "favorite_color" => "cerulean" }