magic.detectFile ended without throwing error

[tmxkwkfgka]

const fs = require('fs');
const async = require('async')
const path = require('path')
const Magic = require('mmmagic').Magic;
const magic = new Magic();

//folderpath = C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\data\sqlide
``
function magicAll(folderPath){
	fs.readdir(folderPath, (err, files)=>{
		files.forEach(file=>{
			console.log(file)
			try{
				magic.detectFile(path.join(folderPath, file), (err, res)=>{
				if(err)
					console.log('detect err = ', err)

				console.log('result = ', res)

			})
			}catch(err){
				console.log('catch err = ', err)
			}
			
		})
	})
}

magicAll('C:/Program Files/MySQL/MySQL Workbench 6.3 CE/modules/data/sqlide')

console result :
CSV.pre.tpl
CSV.tpl
CSV.tpli
CSV_semicolon.pre.tpl
CSV_semicolon.tpl
CSV_semicolon.tpli
HTML.post.tpl
HTML.pre.tpl
HTML.tpl
HTML.tpli
JSON.post.tpl
JSON.pre.tpl
JSON.tpl
JSON.tpli
SQL_inserts.pre.tpl
SQL_inserts.tpl
SQL_inserts.tpli
tab.pre.tpl
tab.tpl
tab.tpli
XLS.post.tpl
XLS.pre.tpl
XLS.tpl
XLS.tpli
XML.post.tpl
XML.pre.tpl
XML.tpl
XML.tpli
XML_mysql.post.tpl
XML_mysql.pre.tpl
XML_mysql.tpl
XML_mysql.tpli

my OS : window7

I use magic.detectFile to know type of the file. but when I detect folder: C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\data\sqlide which have .tpl .tpli file.
detectFile ended without throwing error or result.

[mscdex]

Can you try with v0.5.0?