grafana/public/app/core/utils/isShallowEqual.ts

// From https://github.com/streamich/fast-shallow-equal

// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function isShallowEqual(a: any, b: any) {
  if (a === b) {
    return true;
  }

  if (!(a instanceof Object) || !(b instanceof Object)) {
    return false;
  }

  const keys = Object.keys(a);
  const length = keys.length;

  for (let i = 0; i < length; i++) {
    if (!(keys[i] in b)) {
      return false;
    }
  }

  for (let i = 0; i < length; i++) {
    if (a[keys[i]] !== b[keys[i]]) {
      return false;
    }
  }

  return length === Object.keys(b).length;
}