tickle/modules/utils/documentMode.mjs

//@ts-check

/**
 * Creates a helper to add or remove global classes that begin with `is-`
 * @param {string} name
 */
export const documentMode = (name) => ({
  on: () => document.body.classList.add(`is-${name}`),
  off: () => document.body.classList.remove(`is-${name}`),
  toggle: () => document.body.classList.toggle(`is-${name}`),
  has: () => document.body.classList.contains(`is-${name}`),
});

export default documentMode;