conf-nodescriptctx.js

// using a node-native Script with a new context, one can retrieve that context thus eliminating the need for "exports":
database = {
  host: 'localhost', port: 1234
  // unixsocket: '/tmp/foo.sock'
}
debug = true
log_level = exports.debug ? 2 : 1
cats = ['joe', 'bastard', 'busta']

conf.ini

[database]
host: localhost
port: 1234
#unixsocket: /tmp/foo.sock

[general]
debug: true
log_level: 2
cats: 'joe','bastard','busta'

conf.js

exports.database = {
  host: 'localhost', port: 1234
  // unixsocket: '/tmp/foo.sock'
}
exports.debug = true
exports.log_level = exports.debug ? 2 : 1
exports.cats = ['joe', 'bastard', 'busta']

conf.json

{
 "database": {
  "host": "localhost",
  "port": 1234
 },
 "debug": true,
 "log_level": 2,
 "cats": ['joe', 'bastard', 'busta'],
}

conf.yaml

database:
  host: localhost
  port: 1234
  // unixsocket: /tmp/foo.sock
debug: true
log_level: 2
cats:
  - joe
  - bastard
  - busta