function-calc-no-unspaced-operator

Disallow an unspaced operator within calc functions.

a { top: calc(1px + 2px); }/**               ↑ * The space around this operator */

Before the operator, there must be a single whitespace or a newline plus indentation. After the operator, there must be a single whitespace or a newline.

The fix option can automatically fix all of the problems reported by this rule.

Options

true

The following patterns are considered problems:

a { top: calc(1px+2px); }

a { top: calc(1px+ 2px); }

The following patterns are not considered problems:

a { top: calc(1px + 2px); }

a { top: calc(calc(1em * 2) / 3); }

a {  top: calc(var(--foo) +    var(--bar));}

a {  top: calc(var(--foo)    + var(--bar));}