thingsboard/ui/node_modules/stylelint-scss/src/rules/dollar-variable-default/README.md

dollar-variable-default

Require !default flag for $-variable declarations

$variable: 10px !default;
/**             ↑
 * This is variable with default value */

Optional Options

ignore: "local"

Makes this rule ignore local variables (variables defined inside a rule/mixin/function, etc.).

The following patterns are not considered warnings:

$var: 10px !default;

a {
  $local-var: 10px;
}