Fixed wildcards in file exclude config

CHANGELOG.md

@@ -12,6 +12,10 @@
   [Paul Cantrell](https://github.com/pcantrell)
   [#598](https://github.com/realm/jazzy/issues/598)
 
+* The `exclude` option now properly supports wildcards.  
+  [Paul Cantrell](https://github.com/pcantrell)
+  [#640](https://github.com/realm/jazzy/issues/640)
+
 ## 0.7.0
 
 ##### Breaking

lib/jazzy/config.rb

@@ -151,10 +151,11 @@ def expand_path(path)
 
     config_attr :excluded_files,
       command_line: ['-e', '--exclude file1,file2,directory3,…fileN', Array],
-      description: 'Files/directories to be excluded from documentation',
+      description: 'Files/directories to be excluded from documentation. '\
+                   'Supports wildcards.',
       default: [],
       parse: ->(files) do
-        Array(files).map { |f| expand_path(f) }
+        Array(files).map { |f| expand_path(f).to_s }
       end
 
     config_attr :swift_version,

lib/jazzy/sourcekitten.rb

@@ -417,7 +417,9 @@ def self.filter_excluded_files(json)
       excluded_files = Config.instance.excluded_files
       json.map do |doc|
         key = doc.keys.first
-        doc[key] unless excluded_files.detect { |f| File.fnmatch?(key, f) }
+        doc[key] unless excluded_files.detect do |exclude|
+          File.fnmatch?(exclude, key)
+        end
       end.compact
     end