// /hooks/useLoading.js const loadingMap = new Set() export function useLoading() { const openLoading = (key = 'default', loadingObj) => { loadingMap.add(key) uni.showLoading({ ...loadingObj }) } const closeLoading = (key = 'default') => { loadingMap.delete(key) if (loadingMap.size === 0) { uni.hideLoading() } } const clearLoading = () => { loadingMap.clear() uni.hideLoading() } return { openLoading, closeLoading, clearLoading } }