import _extends from "@babel/runtime/helpers/esm/extends";
import * as React from "react";
function isPlainObject(item) {
  if (typeof item !== "object" || item === null) {
    return false;
  }
  const prototype = Object.getPrototypeOf(item);
  return (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in item) && !(Symbol.iterator in item);
}
function deepClone(source) {
  if (/* @__PURE__ */ React.isValidElement(source) || !isPlainObject(source)) {
    return source;
  }
  const output = {};
  Object.keys(source).forEach((key) => {
    output[key] = deepClone(source[key]);
  });
  return output;
}
function deepmerge(target, source, options = {
  clone: true
}) {
  const output = options.clone ? _extends({}, target) : target;
  if (isPlainObject(target) && isPlainObject(source)) {
    Object.keys(source).forEach((key) => {
      if (/* @__PURE__ */ React.isValidElement(source[key])) {
        output[key] = source[key];
      } else if (isPlainObject(source[key]) && // Avoid prototype pollution
      Object.prototype.hasOwnProperty.call(target, key) && isPlainObject(target[key])) {
        output[key] = deepmerge(target[key], source[key], options);
      } else if (options.clone) {
        output[key] = isPlainObject(source[key]) ? deepClone(source[key]) : source[key];
      } else {
        output[key] = source[key];
      }
    });
  }
  return output;
}
export {
  deepmerge as default,
  isPlainObject
};
