Recursively see if an object is exactly equal to another object

isEqual.js

/**
 * Recursively checks if 2 given objects are equal.
 * Used for SaveBar comparison.
 *
 * @param {Object} obj1
 * @param {Object} obj2
 * @returns {Boolean}
 */
const isEqual = (obj1, obj2) => {
  if (obj1 === obj2) return true;

  if (
    typeof obj1 !== "object" ||
    obj1 === null ||
    typeof obj2 !== "object" ||
    obj2 === null
  ) {
    return obj1 === obj2;
  }

  const keys1 = Object.keys(obj1);
  const keys2 = Object.keys(obj2);

  if (keys1.length !== keys2.length) return false;

  for (const key of keys1) {
    if (!keys2.includes(key) || !isEqual(obj1[key], obj2[key])) {
      return false;
    }
  }

  return true;
};

export default isEqual;