[GitHub] [incubator-pagespeed-mod] gustavo-roganti opened a new issue #2066: CSS Minification - custom properties with value 0 followed by a unit is rewritten to 0 without a unit.

Sun, 25 Apr 2021 08:31:21 -0700 


gustavo-roganti opened a new issue #2066:
URL: https://github.com/apache/incubator-pagespeed-mod/issues/2066


   Linked to https://github.com/apache/incubator-pagespeed-mod/issues/1538
   
   A css custom property (see 
https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties) 
is defined as
   `--custom-offset: 0px`
   and is then used in a CSS rule
   `top: calc(50% + var(--custom-offset))`
   
   but mod_pagespeed (version  1.13.35.2-0) rewrites the variable removing the 
`px` as
   `--custom-offset:0`
   
   and the `calc()` rule breaks.
   
   
   
   The fix to bug 1538 checks if the css value is used in "calc(" but this does 
not work if the value is stored in a custom variable


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