text: 
  export class Utils {
  
  	static merge(target, source) {
  		if (typeof source === 'object') {
  			Object.keys(source).forEach(key => {
  				const value = source[key];
  				if (typeof value === 'object' && !Array.isArray(value)) {
  					target[key] = this.merge(target[key], value);
  				} else {
  					target[key] = value;
  				}
  			});
  		}
  		return target;
  	}
  
  }
  