backendless-consul-config-provider/src/utils.js

Consul Configs provider for Backendless' JS Servers

'use strict'

function ensureObject(value) {
  return (typeof value === 'object' && value !== null)
    ? value
    : {}
}

function isObject(value) {
  return typeof value === 'object' && value !== null
}

function mergeObjects(target, source) {
  const result = {}

  const keys = Object.keys(target).concat(Object.keys(source)).reduce((memo, key) => {
    if (!memo.includes(key)) {
      memo.push(key)
    }

    return memo
  }, [])

  keys.forEach(key => {
    const isTargetValueObject = isObject(target[key])
    const isSourceValueObject = isObject(source[key])

    if (isTargetValueObject && isSourceValueObject) {
      result[key] = mergeObjects(target[key], source[key])

    } else if (source[key] !== undefined) {
      result[key] = source[key]

    } else {
      result[key] = target[key]
    }
  })

  return result
}

function wait(timeout) {
  return new Promise(resolve => setTimeout(resolve, timeout))
}

exports.wait = wait
exports.ensureObject = ensureObject
exports.mergeObjects = mergeObjects
exports.isObject = isObject