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noEmptyBlock (since v1.8.0)

Diagnostic Category: lint/nursery/noEmptyBlock

Sources:

Disallow CSS empty blocks.

By default, it will allow empty blocks with comments inside.

p {}
code-block.css:1:3 lint/nursery/noEmptyBlock ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

   An empty block isn't allowed.
  
  > 1 │ p {}
     ^^
    2 │ 
  
   Consider removing the empty block or adding styles inside it.
  
.b {}
code-block.css:1:4 lint/nursery/noEmptyBlock ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

   An empty block isn't allowed.
  
  > 1 │ .b {}
      ^^
    2 │ 
  
   Consider removing the empty block or adding styles inside it.
  
@media print { a {} }
code-block.css:1:18 lint/nursery/noEmptyBlock ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

   An empty block isn't allowed.
  
  > 1 │ @media print { a {} }
                    ^^
    2 │ 
  
   Consider removing the empty block or adding styles inside it.
  
p {
color: red;
}
p { /* foo */ }
@media print { a { color: pink; } }