@vitalik2060/demo-lint/stylelint/index.js

module.exports = {
  rules: {
    'block-no-empty': true,
    'color-hex-length': 'short',
    'color-no-invalid-hex': true,
    'comment-empty-line-before': [
      'always',
      {
        except: ['first-nested'],
        ignore: ['stylelint-commands'],
      },
    ],
    'comment-no-empty': true,
    'comment-whitespace-inside': 'always',
    'custom-property-empty-line-before': [
      'always',
      {
        except: ['after-custom-property', 'first-nested'],
        ignore: ['after-comment', 'inside-single-line-block'],
      },
    ],
    'declaration-block-no-shorthand-property-overrides': true,
    'declaration-block-single-line-max-declarations': 2,
    'function-calc-no-unspaced-operator': true,
    'function-linear-gradient-no-nonstandard-direction': true,
    'function-name-case': 'lower',
    'keyframe-declaration-no-important': true,
    'length-zero-no-unit': true,
    'no-empty-source': true,
    'no-invalid-double-slash-comments': true,
    'selector-pseudo-class-no-unknown': [
      true,
      {
        ignorePseudoClasses: ['global'],
      },
    ],
    'selector-pseudo-element-colon-notation': 'single',
    'selector-pseudo-element-no-unknown': true,
    'selector-type-case': 'lower',
    'selector-type-no-unknown': true,
    'shorthand-property-no-redundant-values': true,
    'string-no-newline': true,
    'unit-no-unknown': true,
    'no-duplicate-selectors': true,
    'declaration-block-no-duplicate-properties': [
      true,
      {
        ignore: ['consecutive-duplicates-with-different-syntaxes'],
      },
    ],
  },
  overrides: [
    {
      files: ['**/*.scss'],
      customSyntax: 'postcss-scss',
    },
    {
      files: ['*.module.css', '*.module.scss'],
      rules: {
        'selector-class-pattern': [
          // Запрещаем использовать дефис '-'
          '^[^-]+$',
          {
            resolveNestedSelectors: true,
            message: 'Expected class selector to be camelCase (or, for corner cases, snake_case)',
            severity: 'warning',
          },
        ],
      },
    },
  ],
};