get-own-property-descriptors-polyfill/index.js

A polyfill for Object.getOwnPropertyDescriptors

'use strict'

module.exports = Object.getOwnPropertyDescriptors || function getOwnPropertyDescriptors (obj) {
  if (obj === null || obj === undefined) {
    throw new TypeError('Cannot convert undefined or null to object')
  }

  const protoPropDescriptor = Object.getOwnPropertyDescriptor(obj, '__proto__')
  const descriptors = protoPropDescriptor ? { ['__proto__']: protoPropDescriptor } : {}

  for (const name of Object.getOwnPropertyNames(obj)) {
    descriptors[name] = Object.getOwnPropertyDescriptor(obj, name)
  }

  return descriptors
}