Integrate ruby variable into a js

Question

How I can integrate ruby variable into a js file. I would like to render a partial relative to the current step of registration of my User. But I can't succeed it, Rails do not translate @flat.current_step in his value (which is a integer). Any ideas ?

$('.flats').replaceWith("<%= j render partial: 'flats/steps/step#{@flat.current_step}' %>");

Error

ActionView::Template::Error (Missing partial flats/steps/_step#{@flat.current_step}

"I have a error of template" - how are we to know what's wrong? Post the error, in its entirety. — Sergio Tulentsev
– Sergio Tulentsev, Commented Jun 2, 2018 at 12:42
Rails do not translate @flat.current_step in his value (which is a integer) — stig Garet
– stig Garet, Commented Jun 2, 2018 at 12:54

AbM · Accepted Answer · 2018-06-02 12:58:06Z

4

Ruby does not interpolate the #{} when wrapped in single quotes. Change your call to:

$('.flats').replaceWith('<%= j render partial: "flats/steps/step#{@flat.current_step}" %>');

answered Jun 2, 2018 at 12:58

AbM

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3 Comments

Sergio Tulentsev Over a year ago

@stigGaret: nope, you had something different. This should work (given that @flat.current_step does indeed result in an integer).

stig Garet Over a year ago

No se, I've tried to replace the line by an alert("<%= @flat.current_step%>") and is well working !! (The result should be 3)

stig Garet Over a year ago

ActionView::Template::Error (Missing partial flats/steps/_step#{@flat.current_step}

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