/**

* A function that takes 3 parameters to make a rotation in an array.

* @example arr=[1,2,3,4,5,6,7,8,9], rotation(arr, 3, "right") returns [4,5,6,7,8,9,1,2,3]

* @function

* @param {Array} arr - The array to rotate.

* @param {Number} n - The number of rotations.

* @param {string} direction - The direction of the rotation.

* @returns {Array}

*/

const rotation = (arr, n, direction) => {

if (direction === "right") {

for (let i = 0; i < n; i++) {

let firstElement = arr.shift();

arr.push(firstElement);

}

} else {

for (let i = 0; i < n; i++) {

let lastElement = arr.pop();

arr.unshift(lastElement);

}

}

return arr;

};

export default rotation;