code: function(type){
      var i = 1
        , la;
  
      while (la = this.lookahead(i++)) {
        if (~['indent', 'outdent', 'newline', 'eos'].indexOf(la.type)) return;
        if (type == la.type) return true;
      }
    }
docs: Check if the current line contains `type`.
  
  @param {String} type
  @return {Boolean}
  @api private