freedakgmail
59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
export function registerServiceWorker() {
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if (typeof window === "undefined" || !("serviceWorker" in navigator)) {
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// Service Worker 不被支持，静默跳过
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return
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}
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// 只在 HTTPS 或 localhost 环境下注册 Service Worker
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const isSecureContext = window.location.protocol === "https:" ||
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window.location.hostname === "localhost" ||
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window.location.hostname === "127.0.0.1"
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if (!isSecureContext) {
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// 非安全环境，静默跳过 Service Worker 注册
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return
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}
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const register = () => {
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navigator.serviceWorker
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.register("/sw.js")
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.then((registration) => {
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// 检查更新
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registration.addEventListener("updatefound", () => {
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const newWorker = registration.installing
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if (newWorker) {
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newWorker.addEventListener("statechange", () => {
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if (newWorker.state === "installed" && navigator.serviceWorker.controller) {
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// 新的 Service Worker 已安装
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}
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})
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}
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})
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})
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.catch((error) => {
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console.error("Service Worker 注册失败:", error)
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})
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}
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// 如果页面已经加载完成，直接注册；否则等待 load 事件
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if (document.readyState === "complete") {
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register()
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} else {
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window.addEventListener("load", register)
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}
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}
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export function unregisterServiceWorker() {
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if (typeof window === "undefined" || !("serviceWorker" in navigator)) {
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return
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}
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navigator.serviceWorker.ready
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.then((registration) => {
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registration.unregister()
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})
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.catch((error) => {
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console.error("Service Worker 注销失败:", error)
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})
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}
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