ects-sytsykhovskyi-roman/index.js

practice in npm publish

export class ECTS {
  constructor(score) {
    if (typeof score !== 'number' || score < 0 || score > 100) {
      throw new Error('Score must be a number between 0 and 100');
    }
    this.score = score;
  }

  ectsFromScore() {
    const score = this.score;

    if (score >= 90) return 'A';
    if (score >= 80) return 'B';
    if (score >= 70) return 'C';
    if (score >= 60) return 'D';
    if (score >= 50) return 'E';
    return 'F';
  }
}