@redux-devtools/extension/lib/esm/utils/assign.js

Wrappers for Redux DevTools Extension.

const objectKeys = Object.keys || function (obj) {
  const keys = [];
  for (const key in obj) {
    if ({}.hasOwnProperty.call(obj, key)) keys.push(key);
  }
  return keys;
};
export default function assign(obj, newKey, newValue) {
  const keys = objectKeys(obj);
  const copy = {};
  for (let i = 0, l = keys.length; i < l; i++) {
    const key = keys[i];
    copy[key] = obj[key];
  }
  copy[newKey] = newValue;
  return copy;
}