Re: Service Workers at Work...

>
> The trick is in
>
> https://hpbn.co/assets/5e7a4451127bdccbb9346f1c8744c0d9.js
>

Well, actually most of the magic is in: https://hpbn.co/service-worker.js
This is based on sw-toolbox which is pretty convenient when you don't want
to write your SW yourself.

Basically there are only two lines for the configuration, the rest is the
code for sw-toolbox itself:

var precacheConfig =
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