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node_modules/stylus/lib/functions/selectors.js 1.02 KB
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  var nodes = require('../nodes')
    , Parser = require('../selector-parser');
  
  /**
   * Return a list with raw selectors parts
   * of the current group.
   *
   * For example:
   *
   *    .a, .b
   *      .c
   *        .d
   *          test: selectors() // => '.a,.b', '& .c', '& .d'
   *
   * @return {Expression}
   * @api public
   */
  
  module.exports = function selectors(){
    var stack = this.selectorStack
      , expr = new nodes.Expression(true);
  
    if (stack.length) {
      for (var i = 0; i < stack.length; i++) {
        var group = stack[i]
          , nested;
  
        if (group.length > 1) {
          expr.push(new nodes.String(group.map(function(selector) {
            nested = new Parser(selector.val).parse().nested;
            return (nested && i ? '& ' : '') + selector.val;
          }).join(',')))
        } else {
          var selector = group[0].val
          nested = new Parser(selector).parse().nested;
          expr.push(new nodes.String((nested && i ? '& ' : '') + selector));
        }
      }
    } else {
      expr.push(new nodes.String('&'));
    }
    return expr;
  };