index.js

// index.js
let counter = 0;

const generateId = () => {/* */};

class StudentManagement {
  constructor() {/**/}

  add() {/**/}

	getStudent(studentIdOrName) {
    if (studentIDOrName) {
      return this.#students.filter(
        (student) =>
          studentIDOrName === student.id || studentIDOrName === student.name
      );
    }
    return this.#students;
  }
}