Diffing of plain objects, assumes lodash

diffObjects

function diffObjects (left, right) {
  const leftKeys = Object.keys(left)
  const rightKeys = Object.keys(right)
  const keyDiff =  _.intersection(leftKeys, rightKeys)
    .reduce((differentKeys, key) => {
      
      if(_.isPlainObject(left[key]) && _.isPlainObject(right[key])) {
        const diff = diffObjects(left[key], right[key])
        if(diff !== true) {
          differentKeys.push(key)
        }
      } else if(Array.isArray(left[key]) && Array.isArray(right[key])) {
        if(_.difference(left[key], right[key]).length) {
          differentKeys.push(key)
        }
      } else if (left[key] !== right[key]) {
        differentKeys.push(key)
      }
      return differentKeys
    }, _.difference(leftKeys, rightKeys))

  return keyDiff.length ? keyDiff : true
}