[NODE_CONFIG_DIR issue]Wrong return files in config.js

[MrFiregore]

I am getting the following error:

TypeError: Cannot read properties of undefined (reading 'sort') at Config.util.locateMatchingFiles (E:\wamp64\www\configtest\node_modules\.pnpm\config@3.3.9\node_modules\config\lib\config.js:741:5

This happens when you configure only one dir in NODE_CONFIG_DIR:

process.env["NODE_CONFIG_DIR"] = path.resolve(__dirname,`../environments/${env}`)+path.delimiter;

Swap this line for line 741 to solve the issue:

node-config/lib/config.js

Line 740 in 46d0c31

return files;

[jdmarshall]

This could use a test

[markstos]

@jdmarshall Is right. I won't consider this for merging without test coverage.