36 lines
863 B
JavaScript
36 lines
863 B
JavaScript
/**
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* 首页蓝牙连接等流程用到的轻量异步工具（与组件内同名方法行为一致）
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*/
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export function sleep(ms = 300) {
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return new Promise((resolve) => setTimeout(resolve, ms))
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}
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/**
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* @param {() => boolean} checker
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* @param {number} timeout 总超时 ms
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* @param {number} interval 轮询间隔 ms
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* @returns {Promise<boolean>} 条件在超时前成立为 true，否则 false
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*/
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export function waitForCondition(checker, timeout = 12000, interval = 250) {
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return new Promise((resolve) => {
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const start = Date.now()
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const timer = setInterval(() => {
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try {
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if (checker()) {
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clearInterval(timer)
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resolve(true)
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return
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}
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} catch (e) {
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clearInterval(timer)
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resolve(false)
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return
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}
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if (Date.now() - start >= timeout) {
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clearInterval(timer)
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resolve(false)
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}
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}, interval)
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})
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}
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