score-to-ects-module/index.js

Converts 100-point scores to ECTS grades

class ECTS {
  constructor(score) {
    this.score = score;
  }

  ectsFromScore() {
    const s = this.score;
    if (s >= 90 && s <= 100) return "A";
    if (s >= 82 && s <= 89) return "B";
    if (s >= 74 && s <= 81) return "C";
    if (s >= 65 && s <= 73) return "D";
    if (s >= 60 && s <= 64) return "E";
    if (s >= 0 && s < 60) return "F";
    throw new Error("Invalid score");
  }
}

module.exports = ECTS;