.stylelintrc.js

module.exports = {
    rules: {
        'indentation': [4, { severity: 'error' }],
        'no-missing-end-of-source-newline': [true, { severity: 'warning' }],
        'block-opening-brace-space-before': ['always', { severity: 'warning' }],
        'declaration-colon-space-after': ['always', { severity: 'warning' }],
        'declaration-colon-space-before': ['never', { severity: 'warning' }],
        'max-line-length': [120, { severity: 'warning' }],
        'selector-list-comma-newline-after': ['always', { severity: 'warning' }],
        'selector-combinator-space-before': ['always', { severity: 'warning' }],
        'selector-combinator-space-after': ['always', { severity: 'warning' }],
        'selector-attribute-quotes': ['always', { severity: 'warning' }],
        'block-opening-brace-newline-after': ['always', { severity: 'warning' }],
        'selector-no-qualifying-type': [true, { severity: 'warning' }],
        'shorthand-property-no-redundant-values': [true, { severity: 'warning' }],
        'declaration-no-important': [true, { severity: 'warning' }],
        'string-quotes': ['double', { severity: 'warning' }],
        'number-leading-zero': ['never', { severity: 'warning' }],
        'function-url-quotes': ['never', { severity: 'warning' }],
        'length-zero-no-unit': [true, { severity: 'warning' }],
        'color-hex-length': ['short', { severity: 'warning' }],
        'color-hex-case': ['lower', { severity: 'warning' }],
        'color-named': ['never', { severity: 'warning' }],
        'font-weight-notation': ['numeric', { severity: 'warning' }],
        'font-family-name-quotes': ['always-unless-keyword', { severity: 'warning' }],
        'media-feature-range-operator-space-before': ['always', { severity: 'warning' }],
        'media-feature-range-operator-space-after': ['always', { severity: 'warning' }],
        'media-feature-colon-space-before': ['never', { severity: 'warning' }],
        'media-feature-colon-space-after': ['always', { severity: 'warning' }],
        'no-duplicate-selectors': [true, { severity: 'warning' }],
        'rule-empty-line-before': ['always', { severity: 'warning' }],
        'selector-attribute-operator-space-before': ['never', { severity: 'warning' }],
        'selector-attribute-operator-space-after': ['never', { severity: 'warning' }],
        'declaration-block-trailing-semicolon': ['always', { severity: 'warning' }],
        'selector-attribute-brackets-space-inside': ['never', { severity: 'warning' }],
        'comment-whitespace-inside': ['always', { severity: 'warning' }],
        'comment-empty-line-before': ['always', { severity: 'warning' }],
        'selector-pseudo-class-parentheses-space-inside': ['never', { severity: 'warning' }],
        'media-feature-parentheses-space-inside': ['never', { severity: 'warning' }],
        'function-calc-no-unspaced-operator': [true, { severity: 'warning' }],
    },
};