@nearform/trail-core/database/settings.js

Audit trail logging service

'use strict'

require('dotenv').config()
const { env } = process

const minimist = require('minimist')
const argv = minimist(process.argv)

exports.loadSettings = options => {
  const resolve = (optName, envName, defaultValue) => {
    let value
    if (options && options[optName] !== undefined) {
      value = options[optName]
    } else if (argv[optName] !== undefined) {
      value = argv[optName]
    } else if (env[envName] !== undefined) {
      value = env[envName]
    } else value = defaultValue

    switch (typeof defaultValue) {
      case 'boolean':
        return Boolean(value)
      case 'number':
        return Number(value)
      default:
        return '' + value
    }
  }

  const settings = {
    version: resolve('version', 'TRAIL_MIGRATE_VERSION', ''),
    host: resolve('dbHost', 'TRAIL_DB_HOST', 'localhost'),
    port: resolve('dbPort', 'TRAIL_DB_PORT', '5432'),
    database: resolve('dbName', 'TRAIL_DB_NAME', 'trails'),
    username: resolve('dbUsername', 'TRAIL_DB_USERNAME', 'postgres'),
    password: resolve('dbPassword', 'TRAIL_DB_PASSWORD', 'postgres')
  }

  return settings
}