Function trackClass

src/helpers/classList.js:88–93

(classListRef, poll, classes)

 * @param {Array}  classes      The list of classes to be tracked.
 */
const trackClass = (classListRef, poll, classes) => {
  classes.forEach(className => {
    incrementReference(poll, className);
    classListRef.add(className);
  });
};

/**
 * Untrack a class and remove from the given class list if the reference