Clear Cache based on local storage key

cache_clear.js

function async deleteCaches() {
  try {
    const keys = await window.caches.keys();
    await Promise.all(keys.map(key => caches.delete(key)));
  } catch (err) {
    console.log('deleteCache err: ', err);
  }
}

// run this function on your app load
function resetCacheForUpdate() {
  if (!localStorage.getItem('cacheReset')) {
    deleteCaches()
      .then(_ => {
        localStorage.setItem('cacheReset', 'yes');
      }) 
  }
}