Ruby on Rails View inserting js.erb file via render

Question

For including a piece of javascript that I only need on some pages, I put

 = javascript_tag do
   = render "inserts_js_enhanced_element.js.erb"

in my haml file. Now I get the warning in my tests:

DEPRECATION WARNING: Passing a template handler in the template name is 
deprecated. You  can simply remove the handler name or pass render
:handlers => [:erb] instead.`

However, when I change the line to

   = render "inserts_js_enhanced_element.js", :handlers => [:erb]

I get a new warning anyway, saying

 DEPRECATION WARNING: Passing the format in the template name is 
 deprecated. Please pass render with :formats => [:js] instead.

If I do change this to

 = render "inserts_js_enhanced_element", :handlers => [:erb], :formats => [:js]

it gives me the error

     ActionView::Template::Error:
   Missing partial application/inserts_js_enhanced_element with {:handlers=>[:haml, :builder, :erb, :coffee], :locale=>[:de], :formats=>[:html]}.

Now the formats doesn't seem to have changed to :js and also the handlers are not only :erb. How should I input a JS-ERB correctly?

UPDATE:

The js.erb file has the form

 <% session_val = determine_session_val_from_config %>
 jQuery(document).ready(function() {
   //JS Code
 }

@itsnikolay I added the structure, is this what you had in mind? — Yo Ludke
– Yo Ludke, Commented Jan 10, 2013 at 14:29

Community · Accepted Answer · 2017-05-23 10:27:54Z

10

Nice :) I think I found the answer on my own with this SO article

= render(:partial => 'inserts_js_enhanced_element', :handlers => [:erb], :formats => [:js])

Works, and doesn't give me the Deprecation warning

edited May 23, 2017 at 10:27

CommunityBot

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answered Jan 10, 2013 at 14:42

Yo Ludke

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Comments

Stan K. · Accepted Answer · 2013-01-10 13:13:08Z

3

Did you try just use this?

= render "inserts_js_enhanced_element"

answered Jan 10, 2013 at 13:13

Stan K.

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2 Comments

Reuben Mallaby Over a year ago

and is the filenamed "_inserts_js_enhanced_element.js.erb" ?

Yo Ludke Over a year ago

@ReubenMallaby yes, it's _inserts_js_enhanced_element.js.erb, in the same folder, app/view/users, as the file where I make the render

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