Method group

packages/tailwindcss/src/variants.ts:142–147

(fn: () => void, compareFn?: CompareFn)

  }

  group(fn: () => void, compareFn?: CompareFn) {
    this.groupOrder = this.nextOrder()
    if (compareFn) this.compareFns.set(this.groupOrder, compareFn)
    fn()
    this.groupOrder = null
  }

  has(name: string) {
    return this.variants.has(name)