Testing data or rules 3

country.ts

function canBuyProduct({ age }: User, { kind }: Product): boolean {
 const result = age >= this.ageRestriction[kind]
 
 // when debugging, we can create and/or tweak data
 // this way we force the code to flow in the directions that interests the task at hand
 // remember to revert your changes =D
 if (true) {
   logger.warn('front-end exposed user to invalid product')
 }
  
 return result
}