Eigene Fehlerklassen mit erweiterter Anpassung des Stack-Traces

class DomainError extends Error {
  constructor(message, options = {}) {
    super(message, options);
    this.name = this.constructor.name;
    this.timestamp = Date.now();
    Error.captureStackTrace(this, this.constructor);
  }
}
 
class ValidationFailedError extends DomainError {
  constructor(fields, cause) {
    super('Validation failed for target fields', { cause });
    this.fields = fields;
  }
}
 
try {
  throw new TypeError('Invalid string input format');
} catch (err) {
  const domainErr = new ValidationFailedError(['username', 'email'], err);
  console.log(domainErr.name, domainErr.fields, domainErr.cause.message);
}