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- 'use strict';
- /**
- * Module dependencies
- */
- var Snapdragon = require('snapdragon');
- var define = require('define-property');
- var extend = require('extend-shallow');
- /**
- * Local dependencies
- */
- var compilers = require('./compilers');
- var parsers = require('./parsers');
- /**
- * Customize Snapdragon parser and renderer
- */
- 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);
- });
- }
- /**
- * Expose `Extglob`
- */
- module.exports = Extglob;
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