/* mod */
import NOTES from '../constants/NOTES';
/**
* Checks if interval between noteTwo and noteOne is negative or positive to know when to change octave
* @function
* @name isInHigherOctave
* @param {string} noteOneNoOctave
* @param {string} noteTwoNoOctave
* @example
* isInHigherOctave('A', 'B') // returns false
* isInHigherOctave('B', 'A') // returns true
* @return {boolean} isInHigherOctave
*/
const isInHigherOctave = (previousNote, nextNote) =>
(
NOTES.indexOf(previousNote) >= NOTES.indexOf(nextNote)
);
export default isInHigherOctave;