@planjs/utils/es/is/is-native.js

🔧 Common tools collection

import isFunction from './is-Function';
import isObject from './is-Object';
/**
 * 判断是否为平台原生对象
 * @link https://davidwalsh.name/detect-native-function
 * @example
 *
 * isNative(window) // true
 * isNative(alert) // true
 * @category Is
 */

function isNative(value) {
  var toString = Object.prototype.toString;
  var fnToString = Function.prototype.toString;
  var regxHostCtor = /^[object .+?Constructor]$/;
  var reNative = RegExp('^' + String(toString) // eslint-disable-next-line no-useless-escape
  .replace(/[.*+?^${}()|[\]\/\\]/g, '\\$&') // eslint-disable-next-line no-useless-escape
  .replace(/toString|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$');
  return isFunction(value) ? reNative.test(fnToString.call(value)) : value && isObject(value) && regxHostCtor.test(toString.call(value)) || false;
}

export default isNative;