.stylelintrc.json

{
  "extends": [
    "stylelint-config-standard",
    "stylelint-config-standard-scss"
  ],
  "ignoreFiles": ["/coverage/**/*"],
  "plugins": [
    "stylelint-order",
    "stylelint-scss"
  ],
  "rules": {
      "scss/at-rule-no-unknown": true,
      "selector-pseudo-element-no-unknown": [true, {
          "ignorePseudoElements": ["ng-deep"]
      }],
      "order/order": ["custom-properties", "declarations"],
      "order/properties-alphabetical-order": true,
      "at-rule-empty-line-before": "never",
      "no-descending-specificity": null,
      "no-duplicate-selectors": null,
      "font-family-no-missing-generic-family-keyword": null,
      "indentation": 4,
      "selector-type-no-unknown": null,
      "selector-class-pattern": "^([a-z][a-z0-9]*)(-*[a-z0-9]+)*$",
      "scss/dollar-variable-pattern": "^foo",
      "scss/selector-no-redundant-nesting-selector": true,
      "at-rule-no-unknown": [
          true,
          {
              "ignoreAtRules": [
                  "selector-class-pattern",
                  "at-root",
                  "content",
                  "each",
                  "else",
                  "extend",
                  "for",
                  "function",
                  "if",
                  "include",
                  "mixin",
                  "return",
                  "warn",
                  "while",
                  "use"
              ]
          }
      ]
  }
}