@typed/content-hash/test/sw.js

Content hash a directory of HTML/JS/CSS files and other static assets

/* eslint-disable no-undef */

self.addEventListener('fetch', function (event) {
  event.respondWith(
    caches.match(event.request).then(function (response) {
      // Cache hit - return response
      if (response) {
        return response
      }
      return fetch(event.request)
    }),
  )
})