import merge from "deepmerge"

export function arrayMerge(
  target: any[],
  source: any[],
  options: merge.ArrayMergeOptions
) {
  const destination = target.slice()
  source.forEach((item, index) => {
    if (typeof destination[index] === "undefined") {
      destination[index] = options.cloneUnlessOtherwiseSpecified(item, options)
    } else if (options?.isMergeableObject(item)) {
      destination[index] = merge(target[index], item, options)
    } else if (target.indexOf(item) === -1) {
      destination.push(item)
    }
  })
  return destination
}