error-handling.js

// kode kuis dicoding error handling
// TODO 1
class ValidationError extends Error { // todo 1
    constructor (message) {
        super(message);
        this.name = "ValidationError";
    }
}
// TODO 2
const validateNumberInput =(a,b,c)=>{
    if(typeof(a)!=='number'){
        throw new ValidationError("Argumen pertama harus number");
    } if(typeof(b)!=='number'){
        throw new ValidationError("Argumen kedua harus number");
    } if(typeof(c)!=='number') {
        throw new ValidationError("Argumen ketiga harus number");
    }
}

const detectTriangle = (a, b, c) => {
  // TODO 3
 try {
      validateNumberInput(a,b,c);
  if (a === b && b === c) {
    return 'Segitiga sama sisi';
  }

  if (a === b || a === c || b === c) {
    return 'Segitiga sama kaki';
  }

  return 'Segitiga sembarang';
   } catch (error){
      return error.message;
  }
};
console.log(detectTriangle(1,2,3));