text: 
  /**
   * Expose `Compiler`.
   */
  
  module.exports = Compiler;
  
  /**
   * Initialize a compiler.
   *
   * @param {Type} name
   * @return {Type}
   * @api public
   */
  
  function Compiler(opts) {
    this.options = opts || {};
  }
  
  /**
   * Emit `str`
   */
  
  Compiler.prototype.emit = function(str) {
    return str;
  };
  
  /**
   * Visit `node`.
   */
  
  Compiler.prototype.visit = function(node){
    return this[node.type](node);
  };
  
  /**
   * Map visit over array of `nodes`, optionally using a `delim`
   */
  
  Compiler.prototype.mapVisit = function(nodes, delim){
    var buf = '';
    delim = delim || '';
  
    for (var i = 0, length = nodes.length; i < length; i++) {
      buf += this.visit(nodes[i]);
      if (delim && i < length - 1) buf += this.emit(delim);
    }
  
    return buf;
  };
  