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16 lines
589 B
16 lines
589 B
// 全局「处理中」遮罩状态：引用计数（支持并发请求叠加），>0 即显示遮罩。
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// 与 useToast 同样用 Nuxt useState 做 SSR 安全的全局共享状态。
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// begin()/end() 成对调用（见 useApi 对写操作的包装），end 取 max(0, n-1) 防计数为负。
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export function useLoading() {
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const count = useState<number>('app:loading', () => 0)
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const loading = computed(() => count.value > 0)
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function begin() {
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count.value++
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}
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function end() {
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count.value = Math.max(0, count.value - 1)
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}
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return { count, loading, begin, end }
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}
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