From 8dfc6ddbd086c6fe47b70e893b18d9ce9920dc4c Mon Sep 17 00:00:00 2001
From: jonschlinkert <jon.schlinkert@sellside.com>
Date: Sat, 7 Feb 2015 16:30:11 -0500
Subject: [PATCH] adds `is-glob` to detect globs

---
 index.js | 13 ++++++++-----
 test.js  |  9 +++++++++
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/index.js b/index.js
index a5266f9..1db2241 100644
--- a/index.js
+++ b/index.js
@@ -8,6 +8,7 @@
 'use strict';
 
 var pathRe = require('glob-path-regex');
+var isGlob = require('is-glob');
 
 /**
  * Parse a glob pattern into sections
@@ -22,8 +23,10 @@ var pathRe = require('glob-path-regex');
  */
 
 module.exports = function parseGlob(pattern) {
+  // leave `pattern` unmodified
   var glob = pattern;
   var tok = {};
+  tok.isGlob = isGlob(pattern);
 
   var braces = pattern.indexOf('{') !== -1;
   if (braces) {
@@ -67,11 +70,11 @@ module.exports = function parseGlob(pattern) {
   tok.ext = tok.extname.split('.').slice(-1)[0];
 
   if (braces) {
-    tok.dirname = unescape(tok.dirname);
-    tok.filename = unescape(tok.filename);
-    tok.basename = unescape(tok.basename);
-    tok.extname = unescape(tok.extname);
-    tok.ext = unescape(tok.ext);
+    tok.dirname = tok.dirname ? unescape(tok.dirname) : '';
+    tok.filename = tok.filename ? unescape(tok.filename) : '';
+    tok.basename = tok.basename ? unescape(tok.basename) : '';
+    tok.extname = tok.extname ? unescape(tok.extname) : '';
+    tok.ext = tok.ext ? unescape(tok.ext) : '';
   }
 
   tok.dotfiles = tok.filename.charAt(0) === '.';
diff --git a/test.js b/test.js
index e692072..f30f5be 100644
--- a/test.js
+++ b/test.js
@@ -10,6 +10,15 @@
 var assert = require('assert');
 var parse = require('./');
 
+it('should detect when the pattern is a glob pattern:', function () {
+  assert.equal(parse('a.min.js').isGlob, false);
+  assert.equal(parse('*.min.js').isGlob, true);
+  assert.equal(parse('foo/{a,b}.min.js').isGlob, true);
+  assert.equal(parse('foo/(a|b).min.js').isGlob, true);
+  assert.equal(parse('foo/[a-b].min.js').isGlob, true);
+  assert.equal(parse('!foo').isGlob, true);
+});
+
 it('should get a filename from a complex pattern:', function () {
   assert.equal(parse('*.min.js').dirname, '');
   assert.equal(parse('/a/b/c').dirname, '/a/b/');