apphouse/dist/utils/obj/compareKeys.ts

Component library for React that uses observable state management and theme-able components.

/**
 * Compares keys between two objects and returns an array of missing keys in the second object.
 * Nested objects are also checked.
 *
 * @template T
 * @param {T} obj1 - The first object to compare keys.
 * @param {T} obj2 - The second object to compare keys against.
 * @return {string[]} - An array of missing keys in `obj2` compared to `obj1`.
 */
export function compareKeys<T extends { [key: string]: any }>(
  obj1: T,
  obj2: T,
  prefix = ''
): string[] {
  const missingKeys: string[] = [];

  for (const key in obj1) {
    if (!(key in obj2) || typeof obj1[key] !== typeof obj2[key]) {
      //   const mappedChildrenKeys = getMappedKeys(obj1[key]);
      //   let childrenKeys = '';
      //   if (mappedChildrenKeys.length > 0) {
      //     childrenKeys = `.${getMappedKeys(obj1[key])}`;
      //   }
      missingKeys.push(prefix + key);
    } else if (typeof obj1[key] === 'object') {
      const nestedKeys = compareKeys(obj1[key], obj2[key], prefix + key + '.');
      missingKeys.push(...nestedKeys.map((nestedKey) => prefix + nestedKey));
    }
  }

  for (const key in obj2) {
    if (!(key in obj1) || typeof obj1[key] !== typeof obj2[key]) {
      missingKeys.push(prefix + key);
    }
  }

  return missingKeys;
}