text: var gonzales = require('gonzales-pe');
  
  module.exports = {
      name: 'space-after-selector-delimiter',
  
      runBefore: 'block-indent',
  
      syntax: ['css', 'less', 'sass', 'scss'],
  
      accepts: {
          number: true,
          string: /^[ \t\n]*$/
      },
  
      /**
       * Processes tree node.
       *
       * @param {node} node
       */
      process: function(node) {
          if (!node.is('selector')) return;
  
          var value = this.getValue('space-after-selector-delimiter');
  
          node.forEach('delimiter', function(delimiter, i) {
              var nextNode = node.get(i + 1);
  
              if (nextNode.is('space')) {
                  nextNode.content = value;
              } else if (nextNode.first().is('space')) {
                  nextNode.first().content = value;
              } else {
                  var space = gonzales.createNode({ type: 'space', content: value });
                  nextNode.insert(0, space);
              }
          });
      },
  
      /**
       * Detects the value of an option at the tree node.
       *
       * @param {node} node
       */
      detect: function(node) {
          if (!node.is('selector')) return;
  
          var variants = [];
  
          node.forEach('delimiter', function(delimiter, i) {
              var nextNode = node.get(i + 1);
              if (nextNode && nextNode.is('space')) {
                  variants.push(nextNode.content);
              } else if (nextNode.first() && nextNode.first().is('space')) {
                  variants.push(nextNode.first().content);
              } else {
                  variants.push('');
              }
          });
  
          return variants;
      }
  };
  