fvi-node-utils/lib/config/index.js

Freunde Von Idden - Node Utils Library

'use strict'

const path = require('path')
const convict = require('convict')

const debug = require('../debug').here
const { toErrorStack } = require('../objects')

const REQUIRED_SCHEMA = {
  env: {
    doc: 'The application environment.',
    format: ['production', 'staging', 'development', 'test'],
    default: 'development',
    env: 'NODE_ENV',
  },
}

const DEFAULT_CFGDIR = path.resolve('./config')
const VALIDATE_OPTS = { allowed: { output: null } }

module.exports = (schema, logDir = DEFAULT_CFGDIR) => {
  const config = convict({ ...schema, ...REQUIRED_SCHEMA })

  try {
    const configFiles = process.env.CONFIG_FILES || ''
    config.loadFile(configFiles.split(','))
  } catch (e) {
    //return is ignored
    toErrorStack(e, log => debug(`process.env.CONFIG_FILES NOT FOUND: ${log}`))

    const env = config.get('env')
    const defaultLogDir = `${logDir}/${env}.json`

    config.loadFile(defaultLogDir)
  }

  config.validate(VALIDATE_OPTS)
  return config
}