config.js

'use strict';

module.exports = {
    rules: {
        'function-comma-newline-after': null,
        'function-comma-newline-before': null,
        'function-comma-space-after': null,
        'function-comma-space-before': null,
        'function-max-empty-lines': null,
        'function-parentheses-newline-inside': null,
        'function-parentheses-space-inside': null,
        // prettier doesnt care about this space lets keep it here
        // "function-whitespace-after": "always"|"never",
        'value-list-comma-newline-after': null,
        'value-list-comma-newline-before': null,
        'value-list-comma-space-after': null,
        'value-list-comma-space-before': null,
        'value-list-max-empty-lines': null,
        // this is fixable but lets keep it
        // 'custom-property-empty-line-before': 'never'
        'declaration-bang-space-after': 'never',
        'declaration-bang-space-before': 'always',
        'declaration-colon-newline-after': null,
        'declaration-colon-space-after': null,
        'declaration-colon-space-before': null,
        'declaration-block-semicolon-newline-after': null,
        'declaration-block-semicolon-newline-before': null,
        'declaration-block-semicolon-space-after': null,
        'declaration-block-semicolon-space-before': null,
        // prettier always adds the trailing semicolon
        'declaration-block-trailing-semicolon': null,
        'block-closing-brace-empty-line-before': null,
        'block-closing-brace-newline-after': null,
        'block-closing-brace-newline-before': null,
        'block-closing-brace-space-after': null,
        'block-closing-brace-space-before': null,
        'block-opening-brace-newline-after': null,
        'block-opening-brace-newline-before': null,
        'block-opening-brace-space-after': null,
        'block-opening-brace-space-before': null,
        'selector-attribute-brackets-space-inside': 'never',
        // prettier doesnt care about this space
        // 'selector-attribute-operator-space-after': 'never'
        // 'selector-attribute-operator-space-before': 'never'
        'selector-attribute-quotes': 'always',
        'selector-combinator-space-after': 'always',
        'selector-combinator-space-before': 'always',
        'selector-descendant-combinator-no-non-space': true,
        'selector-pseudo-class-parentheses-space-inside': 'never',
        'selector-list-comma-newline-after': null,
        'selector-list-comma-newline-before': null,
        'selector-list-comma-space-after': null,
        'selector-list-comma-space-before': null,
        'media-feature-colon-space-after': 'always',
        'media-feature-colon-space-before': 'never',
        'media-feature-parentheses-space-inside': 'never',
        // prettier doesnt care about this space
        // 'media-feature-range-operator-space-after': 'always',
        // 'media-feature-range-operator-space-before': 'always'
        'media-query-list-comma-newline-after': null,
        'media-query-list-comma-newline-before': null,
        'media-query-list-comma-space-after': 'always',
        'media-query-list-comma-space-before': 'never',
        'at-rule-name-newline-after': null,
        'at-rule-name-space-after': 'always',
        'at-rule-semicolon-newline-after': null,
        'at-rule-semicolon-space-before': 'never',
        // prettier doesnt care about this whitespace
        // 'comment-whitespace-inside': 'always'

        // debatable ( this also checks comments which prettier doesnt care)
        'max-empty-lines': null,
        'no-eol-whitespace': null
    }
};