Rails 5.1.2 - form_with is not showing data-remote="true" in the html

user_3967758 0
Viewed 7669

Rails 5.1.2:

I'm trying to create an AJAX form using form_with in line with the Rails documentation and this GitHub thread.

This code:

<%= form_with url: '/' do |f| %>
<% end %>

and in fact this code:

<%= form_with url: '/', remote: true do |f| %>
<% end %>

both produce this html:

<form action="/" accept-charset="UTF-8" method="post">
  <input name="utf8" type="hidden" value="..." />
  <input type="hidden" name="authenticity_token" value="..." />
</form>

Why isn't data-remote="true" appearing in the HTML, as the first link I have posted indicates it should, and how do I get it to appear?

forms ruby-on-rails ajax
5 Answers

I was having the same problem with a Rails 5.1.4 app. Using local: false fixed the problem.

<%= form_with url: '/', local: false do |f| %>
<% end %>
user_89087440

Default value for data-remote is configured by option Rails.application.config.action_view.form_with_generates_remote_forms. By default in Rails 5 this option is true. Search this through all your project, it seems that you migrated from Rails 4 or smth. else with overriding this option.

user_92514210

For me the addition these two lines to config/application.rb fixed it:

# Initialize configuration defaults for originally generated Rails version.
config.load_defaults 5.2
user_9738520

It will happen in Rails 5.1

With my config in new_framework_defaults_5_1.rb like this:

# Make `form_with` generate non-remote forms.
Rails.application.config.action_view.form_with_generates_remote_forms = false

And in my view file, I'm using like this:

= form_with(model: your_model , url: your_path, method: :post, local: false) do |f|
....your input here...

Now your html code will generate data-remote: true in your form.

user_46314120
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