.config/coc/extensions/node_modules/coc-prettier/node_modules/postcss-resolve-nested-selector/index.js

   1 module.exports = function resolveNestedSelector(selector, node) {
   2   var parent = node.parent;
   3   var parentIsNestAtRule = parent.type === 'atrule' && parent.name === 'nest';
   4
   5   if (parent.type === 'root') return [selector];
   6   if (parent.type !== 'rule' && !parentIsNestAtRule) return resolveNestedSelector(selector, parent);
   7
   8   var parentSelectors = (parentIsNestAtRule)
   9     ? parent.params.split(',').map(function(s) { return s.trim(); })
  10     : parent.selectors;
  11
  12   var resolvedSelectors = parentSelectors.reduce(function(result, parentSelector) {
  13     if (selector.indexOf('&') !== -1) {
  14       var newlyResolvedSelectors = resolveNestedSelector(parentSelector, parent).map(function(resolvedParentSelector) {
  15         return selector.replace(/&/g, resolvedParentSelector);
  16       });
  17       return result.concat(newlyResolvedSelectors);
  18     }
  19
  20     var combinedSelector = [ parentSelector, selector ].join(' ');
  21     return result.concat(resolveNestedSelector(combinedSelector, parent));
  22   }, []);
  23
  24   return resolvedSelectors;
  25 }