index.js•1.5 kB
var cc = require('./lib/utils')
var join = require('path').join
var deepExtend = require('deep-extend')
var etc = '/etc'
var win = process.platform === "win32"
var home = win
? process.env.USERPROFILE
: process.env.HOME
module.exports = function (name, defaults, argv, parse) {
if('string' !== typeof name)
throw new Error('rc(name): name *must* be string')
if(!argv)
argv = require('minimist')(process.argv.slice(2))
defaults = (
'string' === typeof defaults
? cc.json(defaults) : defaults
) || {}
parse = parse || cc.parse
var env = cc.env(name + '_')
var configs = [defaults]
var configFiles = []
function addConfigFile (file) {
if (configFiles.indexOf(file) >= 0) return
var fileConfig = cc.file(file)
if (fileConfig) {
configs.push(parse(fileConfig))
configFiles.push(file)
}
}
// which files do we look at?
if (!win)
[join(etc, name, 'config'),
join(etc, name + 'rc')].forEach(addConfigFile)
if (home)
[join(home, '.config', name, 'config'),
join(home, '.config', name),
join(home, '.' + name, 'config'),
join(home, '.' + name + 'rc')].forEach(addConfigFile)
addConfigFile(cc.find('.'+name+'rc'))
if (env.config) addConfigFile(env.config)
if (argv.config) addConfigFile(argv.config)
return deepExtend.apply(null, configs.concat([
env,
argv,
configFiles.length ? {configs: configFiles, config: configFiles[configFiles.length - 1]} : undefined,
]))
}