function Extglob(options) {
  this.options = extend({source: 'extglob'}, options);
  this.snapdragon = this.options.snapdragon || new Snapdragon(this.options);
  this.snapdragon.patterns = this.snapdragon.patterns || {};
  this.compiler = this.snapdragon.compiler;
  this.parser = this.snapdragon.parser;

  compilers(this.snapdragon);
  parsers(this.snapdragon);

  /**
   * Override Snapdragon `.parse` method
   */

  define(this.snapdragon, 'parse', function(str, options) {
    var parsed = Snapdragon.prototype.parse.apply(this, arguments);
    parsed.input = str;

    // escape unmatched brace/bracket/parens
    var last = this.parser.stack.pop();
    if (last && this.options.strict !== true) {
      var node = last.nodes[0];
      node.val = '\\' + node.val;
      var sibling = node.parent.nodes[1];
      if (sibling.type === 'star') {
        sibling.loose = true;
      }
    }

    // add non-enumerable parser reference
    define(parsed, 'parser', this.parser);
    return parsed;
  });

  /**
   * Decorate `.parse` method
   */

  define(this, 'parse', function(ast, options) {
    return this.snapdragon.parse.apply(this.snapdragon, arguments);
  });

  /**
   * Decorate `.compile` method
   */

  define(this, 'compile', function(ast, options) {
    return this.snapdragon.compile.apply(this.snapdragon, arguments);
  });

}
function Extglob(options) {
  this.options = extend({source: 'extglob'}, options);
  this.snapdragon = this.options.snapdragon || new Snapdragon(this.options);
  this.snapdragon.patterns = this.snapdragon.patterns || {};
  this.compiler = this.snapdragon.compiler;
  this.parser = this.snapdragon.parser;

  compilers(this.snapdragon);
  parsers(this.snapdragon);

  /**
   * Override Snapdragon `.parse` method
   */

  define(this.snapdragon, 'parse', function(str, options) {
    var parsed = Snapdragon.prototype.parse.apply(this, arguments);
    parsed.input = str;

    // escape unmatched brace/bracket/parens
    var last = this.parser.stack.pop();
    if (last && this.options.strict !== true) {
      var node = last.nodes[0];
      node.val = '\\' + node.val;
      var sibling = node.parent.nodes[1];
      if (sibling.type === 'star') {
        sibling.loose = true;
      }
    }

    // add non-enumerable parser reference
    define(parsed, 'parser', this.parser);
    return parsed;
  });

  /**
   * Decorate `.parse` method
   */

  define(this, 'parse', function(ast, options) {
    return this.snapdragon.parse.apply(this.snapdragon, arguments);
  });

  /**
   * Decorate `.compile` method
   */

  define(this, 'compile', function(ast, options) {
    return this.snapdragon.compile.apply(this.snapdragon, arguments);
  });

}
function Extglob ( options ) { this . options = extend ( { source : 'extglob' } , options ) ; this . snapdragon = this . options . snapdragon || new Snapdragon ( this . options ) ; this . snapdragon . patterns = this . snapdragon . patterns || { } ; this . compiler = this . snapdragon . compiler ; this . parser = this . snapdragon . parser ; compilers ( this . snapdragon ) ; parsers ( this . snapdragon ) ; /**
   * Override Snapdragon `.parse` method
   */ define ( this . snapdragon , 'parse' , function ( str , options ) { var parsed = Snapdragon . prototype . parse . apply ( this , arguments ) ; parsed . input = str ; // escape unmatched brace/bracket/parens var last = this . parser . stack . pop ( ) ; if ( last && this . options . strict !== true ) { var node = last . nodes [ 0 ] ; node . val = '\\' + node . val ; var sibling = node . parent . nodes [ 1 ] ; if ( sibling . type === 'star' ) { sibling . loose = true ; } } // add non-enumerable parser reference define ( parsed , 'parser' , this . parser ) ; return parsed ; } ) ; /**
   * Decorate `.parse` method
   */ define ( this , 'parse' , function ( ast , options ) { return this . snapdragon . parse . apply ( this . snapdragon , arguments ) ; } ) ; /**
   * Decorate `.compile` method
   */ define ( this , 'compile' , function ( ast , options ) { return this . snapdragon . compile . apply ( this . snapdragon , arguments ) ; } ) ; }
Customize Snapdragon parser and renderer
Customize Snapdragon parser and renderer