import { isArrayLike } from './isArrayLike'

export function extendObject(
  target: Record<string, unknown>,
  ...sources: Record<string, unknown>[]
) {
  for (const source of sources) {
    for (const k in source) {
      const vs = source[k]
      const vt = target[k]
      if (isArrayLike(vs)) {
        target[k] = [].concat(vs as [], vt as [])
        continue
      }
      target[k] = source[k]
    }
  }
  return target
}