@bernotieno/mini-framework/src/utils/object.js

A lightweight JavaScript framework built from scratch with zero dependencies

/**
 * Object Utilities
 * Functions for working with objects and data structures
 */

/**
 * Deep clone an object
 */
export function deepClone(obj) {
  if (obj === null || typeof obj !== 'object') {
    return obj;
  }

  if (obj instanceof Date) {
    return new Date(obj.getTime());
  }

  if (obj instanceof Array) {
    return obj.map(item => deepClone(item));
  }

  if (typeof obj === 'object') {
    const cloned = {};
    Object.keys(obj).forEach(key => {
      cloned[key] = deepClone(obj[key]);
    });
    return cloned;
  }

  return obj;
}

/**
 * Deep merge two objects
 */
export function deepMerge(target, source) {
  const result = { ...target };

  Object.keys(source).forEach(key => {
    if (source[key] && typeof source[key] === 'object' && !Array.isArray(source[key])) {
      result[key] = deepMerge(result[key] || {}, source[key]);
    } else {
      result[key] = source[key];
    }
  });

  return result;
}

/**
 * Check if a value is empty
 */
export function isEmpty(value) {
  if (value === null || value === undefined) return true;
  if (typeof value === 'string') return value.trim() === '';
  if (Array.isArray(value)) return value.length === 0;
  if (typeof value === 'object') return Object.keys(value).length === 0;
  return false;
}