stylelint.config.js

module.exports = {
  // add your custom config here
  // https://stylelint.io/user-guide/configuration
  rules: {
    'at-rule-no-unknown': true,
    'block-no-empty': true,
    'color-no-invalid-hex': true, // Não permitir cores hexadecimais inválidas.
    'comment-no-empty': true,
    'declaration-block-no-duplicate-properties': [
      true,
      {
        ignore: ['consecutive-duplicates-with-different-values']
      }
    ],
    'declaration-block-no-shorthand-property-overrides': true,
    'font-family-no-duplicate-names': true, // Não permitir nomes de família de fontes duplicados.
    'font-family-no-missing-generic-family-keyword': true, // Proibir famílias genéricas ausentes em listas de nomes de família de fontes.
    'function-calc-no-invalid': true, // Não permite uma expressão inválida nas calcfunções.
    'function-calc-no-unspaced-operator': true, // Não permitir um operador não espaçado nas calcfunções.
    'function-linear-gradient-no-nonstandard-direction': true,
    'keyframe-declaration-no-important': true,
    'media-feature-name-no-unknown': true,
    // 'no-descending-specificity': true,
    'no-duplicate-at-import-rules': true,
    'no-duplicate-selectors': true,
    'no-empty-source': true,
    'no-extra-semicolons': true,
    'no-invalid-double-slash-comments': true,
    'property-no-unknown': true, // Não permitir propriedades desconhecidas.
    'selector-pseudo-class-no-unknown': true,
    'selector-pseudo-element-no-unknown': true,
    'selector-type-no-unknown': true,
    'string-no-newline': true, // Não permitir novas linhas (sem escape) em seqüências de caracteres.
    'unit-no-unknown': true, // Não permitir unidades desconhecidas.
    'at-rule-empty-line-before': [
      'always',
      {
        except: ['blockless-after-same-name-blockless', 'first-nested'],
        ignore: ['after-comment']
      }
    ],
    'at-rule-name-case': 'lower',
    'at-rule-name-space-after': 'always-single-line',
    'at-rule-semicolon-newline-after': 'always',
    'block-closing-brace-empty-line-before': 'never',
    // 'block-closing-brace-newline-after': 'always',
    // 'block-closing-brace-newline-before': 'always-multi-line',
    // 'block-closing-brace-space-before': 'always-single-line',
    // 'block-opening-brace-newline-after': 'always-multi-line',
    // 'block-opening-brace-space-after': 'always-single-line',
    // 'block-opening-brace-space-before': 'always-single-line',
    'color-hex-case': 'lower',
    'color-hex-length': 'short',
    'comment-empty-line-before': [
      'always',
      {
        except: ['first-nested'],
        ignore: ['stylelint-commands']
      }
    ],
    'comment-whitespace-inside': 'always',
    'custom-property-empty-line-before': [
      'always',
      {
        except: ['after-custom-property', 'first-nested'],
        ignore: ['after-comment', 'inside-single-line-block']
      }
    ],
    'declaration-bang-space-after': 'never',
    'declaration-bang-space-before': 'always',
    'declaration-block-semicolon-newline-after': 'always-multi-line',
    'declaration-block-semicolon-space-after': 'always-single-line',
    'declaration-block-semicolon-space-before': 'never',
    'declaration-block-single-line-max-declarations': 1,
    // 'declaration-block-trailing-semicolon': 'always',
    'declaration-colon-newline-after': 'always-multi-line',
    'declaration-colon-space-after': 'always-single-line',
    'declaration-colon-space-before': 'never',
    'declaration-empty-line-before': [
      'always',
      {
        except: ['after-declaration', 'first-nested'],
        ignore: ['after-comment', 'inside-single-line-block']
      }
    ],
    'function-comma-newline-after': 'always-multi-line',
    // 'function-comma-space-after': 'always-single-line',
    'function-comma-space-before': 'never',
    'function-max-empty-lines': 0,
    'function-name-case': 'lower',
    'function-parentheses-newline-inside': 'always-multi-line',
    'function-parentheses-space-inside': 'never-single-line',
    'function-whitespace-after': 'always',
    // indentation: 2,
    // 'length-zero-no-unit': true,
    // 'max-empty-lines': 1,
    'media-feature-colon-space-after': 'always',
    'media-feature-colon-space-before': 'never',
    'media-feature-name-case': 'lower',
    'media-feature-parentheses-space-inside': 'never',
    'media-feature-range-operator-space-after': 'always',
    'media-feature-range-operator-space-before': 'always',
    'media-query-list-comma-newline-after': 'always-multi-line',
    'media-query-list-comma-space-after': 'always-single-line',
    'media-query-list-comma-space-before': 'never',
    'no-eol-whitespace': true,
    'no-missing-end-of-source-newline': true,
    // 'number-leading-zero': 'always',
    'number-no-trailing-zeros': true,
    'property-case': 'lower',
    // 'rule-empty-line-before': [
    //   'always-multi-line',
    //   {
    //     except: ['first-nested'],
    //     ignore: ['after-comment']
    //   }
    // ],
    'selector-attribute-brackets-space-inside': 'never',
    'selector-attribute-operator-space-after': 'never',
    'selector-attribute-operator-space-before': 'never',
    // 'selector-combinator-space-after': 'always',
    // 'selector-combinator-space-before': 'always',
    'selector-descendant-combinator-no-non-space': true,
    // 'selector-list-comma-newline-after': 'always',
    'selector-list-comma-space-before': 'never',
    'selector-max-empty-lines': 0,
    'selector-pseudo-class-case': 'lower',
    'selector-pseudo-class-parentheses-space-inside': 'never',
    'selector-pseudo-element-case': 'lower',
    // 'selector-pseudo-element-colon-notation': 'double',
    'selector-type-case': 'lower',
    'unit-case': 'lower',
    'value-keyword-case': 'lower',
    'value-list-comma-newline-after': 'always-multi-line',
    'value-list-comma-space-after': 'always-single-line',
    'value-list-comma-space-before': 'never',
    // 'value-list-max-empty-lines': 0
  }
}