@zohodesk/utils/es/deepEqual.js

DOT Utils Collection

export const deepEqual = (a, b) => {
  if (a === b) {
    return true;
  }

  if (typeof a === 'object' && typeof b === 'object' && a !== null && b !== null) {
    if (Array.isArray(a) !== Array.isArray(b)) {
      return false;
    }

    const keysA = Object.keys(a);
    const keysB = Object.keys(b);

    if (keysA.length !== keysB.length) {
      return false;
    }

    return keysA.every(key => deepEqual(a[key], b[key]));
  }

  if (typeof a === 'function' && typeof b === 'function') {
    return a.toString().replace(/\s+/g, '') === b.toString().replace(/\s+/g, '');
  }

  return false;
};