Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Spaces and line breaks around `var` calls are not removed

See original GitHub issue

Explanation

Hi @jakubpawlowicz, ran into issue that when there are spaces/linebreaks in var calls in CSS code, minifier does not remove them. That shouldn’t be it, right?

Precheck

Do a quick search and make sure a bug has not yet been reported; 👍
do a quick check if the bug still exists in the latest patch version; 👍
finally, be nice and have fun! 👍

Environment

clean-css version - npm ls clean-css: 5.3.2
node.js version - node -v: 12.14.0
operating system: Ubuntu 20.04

Configuration options

var CleanCSS = require('clean-css');
new CleanCSS({
  level: 2,
})

Input CSS

.alert--primary{--ifm-alert-background-color:var(
        --ifm-color-primary-contrast-background
      );--ifm-alert-background-color-highlight:rgba(53, 120, 229, 0.15);--ifm-alert-foreground-color:var(
        --ifm-color-primary-contrast-foreground
      );--ifm-alert-border-color:var(--ifm-color-primary-dark)}

Actual output CSS

.alert--primary{--ifm-alert-background-color:var(
        --ifm-color-primary-contrast-background
      );--ifm-alert-background-color-highlight:rgba(53, 120, 229, 0.15);--ifm-alert-foreground-color:var(
        --ifm-color-primary-contrast-foreground
      );--ifm-alert-border-color:var(--ifm-color-primary-dark)}

Expected output CSS

.alert--primary{--ifm-alert-background-color:var(--ifm-color-primary-contrast-background);--ifm-alert-background-color-highlight:rgba(53, 120, 229, 0.15);--ifm-alert-foreground-color:var(--ifm-color-primary-contrast-foreground);--ifm-alert-border-color:var(--ifm-color-primary-dark)}