Details

Disabled by default

Enforces that functions, mixins, and variables that follow the private naming convention (default to underscore-prefixed, e.g. $_foo) are defined and used within the same file.

Bad

$_foo: #f00;

p {
  color: #00f;
}

Bad

p {
  color: $_foo;
}

Bad

p {
  color: $_foo;
}

$_foo: #f00;

Good

$_foo: #f00;

p {
  color: $_foo;
}