Function shallowEqualObjects

packages/query-core/src/utils.ts:392–407

(
  a: T,
  b: T | undefined,
)

 * Shallow compare objects.
 */
export function shallowEqualObjects<T extends Record<string, any>>(
  a: T,
  b: T | undefined,
): boolean {
  if (!b || Object.keys(a).length !== Object.keys(b).length) {
    return false
  }

  for (const key in a) {
    if (a[key] !== b[key]) {
      return false
    }
  }

  return true
}

export function isPlainArray(value: unknown): value is Array<unknown> {
  return Array.isArray(value) && value.length === Object.keys(value).length