css - Background image doesn't work after assets precompile in RAILS4 production environment -


i have following mixin in application.css.scss file :

@mixin inputwithicon($iconname) {   padding: 4px 4px 4px 20px;   border:1px solid #ccc;   text-indent: 0.30em;   font-size:15px;   font-weight:100;   background: #ffffff url(assets/input/#{$iconname}.png) no-repeat;   background-position: 2% center; }

this mixin works on development after precompiling assets , running in production stops working (background isn't set).

i tried using image-url instead of url, didn't work.

background: #ffffff asset-url("assets/input/#{$iconname}.png") no-repeat;

--

in sass, use asset-url; scss asset_url.

either way, need use above helper when assets fingerprinted through precompilation, correct file being referenced pre-processor.

the problem have url calls static filename. whilst not problem on own, when deploy app, , precompilation occurs, need make sure css referencing correct filename, hence helper.


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