vscode服务工作者接口对象自动完成

Question

为什么vscode看不到服务工作者接口对象？
lack of auto completion
 虽然浏览器显示它们仍在那里 presence of object logged in browser
如何解决这个问题？

整个服务人员代码：

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self.addEventListener('install', event => {
    console.log('V1 installing…');
    event.waitUntil(
        caches.open('static-v1').then(cache => cache.add('/cat.png'))
    );
});

self.addEventListener('activate', event => {
    console.log('V1 now ready to handle fetches!');
});

self.addEventListener('fetch', event => {
    const url = new URL(event.request.url);
    if (url.origin == location.origin && url.pathname == '/dog.png') {
        event.respondWith(caches.match('/cat.png'));
    }

    if (url.origin == location.origin) {
        console.log("Clients object: ", clients);
    }
});

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