Function deepMergeSnapshot

packages/snapshot/src/port/utils.ts:211–237

(target: any, source: any)

 * ```
 */
export function deepMergeSnapshot(target: any, source: any): any {
  if (isObject(target) && isObject(source)) {
    const mergedOutput = { ...target }
    Object.keys(source).forEach((key) => {
      if (isObject(source[key]) && !source[key].$$typeof) {
        if (!(key in target)) {
          Object.assign(mergedOutput, { [key]: source[key] })
        }
        else {
          mergedOutput[key] = deepMergeSnapshot(target[key], source[key])
        }
      }
      else if (Array.isArray(source[key])) {
        mergedOutput[key] = deepMergeArray(target[key], source[key])
      }
      else {
        Object.assign(mergedOutput, { [key]: source[key] })
      }
    })

    return mergedOutput
  }
  else if (Array.isArray(target) && Array.isArray(source)) {
    return deepMergeArray(target, source)
  }
  return target
}

export class DefaultMap<K, V> extends Map<K, V> {
  constructor(