问题描述
我正在创建一个带有 react 的 PWA。尽管它通过了灯塔测试并且可以安装,但我一直在控制台中看到这两个错误。当我浏览应用程序时,这些错误被记录了很多次。
Uncaught (in promise) TypeError: Failed to execute 'put' on 'Cache': Request method 'POST' is unsupported
at Cache.put (<anonymous>)
at worker.js:20
Uncaught (in promise) TypeError: Failed to execute 'put' on 'Cache': Request scheme 'chrome-extension' is unsupported
at Cache.put (<anonymous>)
at worker.js:20
第 20 行是 cache.put(event.request,resClone);
const CACHE_NAME = 'My App';
// Install a service worker
self.addEventListener('install',event => {
console.log('Opened cache');
});
// Cache and return request
self.addEventListener('fetch',event => {
event.respondWith(
fetch(event.request).then(res => {
const resClone = res.clone();
caches
.open(CACHE_NAME)
.then(cache => {
cache.put(event.request,resClone);
});
return res;
}).catch(err => caches.match(event.request).then(res => res))
);
});
// Update a service worker
self.addEventListener('activate',event => {
const cacheWhitelist = [];
cacheWhitelist.push(CACHE_NAME);
event.waitUntil(
caches.keys().then((cacheNames) => Promise.all(
cacheNames.map((cacheName) => {
if (!cacheWhitelist.includes(cacheName)) {
return caches.delete(cacheName);
}
})
))
);
});
解决方法
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