Shallow comparison - validating if two elements are shallow equal

shallow-compare.ts

import typeOf from './type-of';

const shallowCompare = (source: unknown | unknown[], target: unknown | unknown[]): boolean => {
  if (typeOf(source) !== typeOf(target)) {
    return false;
  }

  if (typeOf(source) === 'array') {
    return (source as unknown[]).length === (target as unknown[]).length;
  } else if (typeOf(source) === 'object') {
    return Object.keys(source).every((key) => (source as Record<string, unknown>)[key] === (target as Record<string, unknown>)[key]);
  } else if (typeOf(source) === 'date') {
    return (source as Date).getTime() === (target as Date).getTime();
  }

  return source === target;
};