Files
Trading_Studio/pwa/sw.js
T

51 lines
1.4 KiB
JavaScript

/**
* Trading Studio PWA Service Worker
* 缓存应用壳,支持离线打开已访问页面;API 请求始终走网络。
*/
const CACHE_NAME = "trading-studio-v1";
const SHELL = ["/", "/manifest.webmanifest"];
self.addEventListener("install", (event) => {
event.waitUntil(
caches.open(CACHE_NAME).then((cache) => cache.addAll(SHELL)).catch(() => {})
);
self.skipWaiting();
});
self.addEventListener("activate", (event) => {
event.waitUntil(
caches.keys().then((keys) =>
Promise.all(keys.filter((k) => k !== CACHE_NAME).map((k) => caches.delete(k)))
)
);
self.clients.claim();
});
self.addEventListener("fetch", (event) => {
const { request } = event;
const url = new URL(request.url);
// API / 文件上传 / Gradio 动态接口不走缓存
if (
request.method !== "GET" ||
url.pathname.startsWith("/gradio_api") ||
url.pathname.startsWith("/file=") ||
url.pathname.startsWith("/upload") ||
url.pathname.includes("call")
) {
return;
}
event.respondWith(
fetch(request)
.then((response) => {
if (response.ok && url.origin === self.location.origin) {
const clone = response.clone();
caches.open(CACHE_NAME).then((cache) => cache.put(request, clone));
}
return response;
})
.catch(() => caches.match(request).then((r) => r || caches.match("/")))
);
});