vikunja-frontend/src/ServiceWorker/sw.js

/* eslint-disable no-console */
/* eslint-disable no-undef */

// Cache assets
workbox.routing.registerRoute(
    // This regexp matches all files in precache-manifest
    new RegExp('.+\\.(css|json|js|eot|svg|ttf|woff|woff2|png|html|txt)$'),
    new workbox.strategies.StaleWhileRevalidate()
);

// Always send api reqeusts through the network
workbox.routing.registerRoute(
	new RegExp('(\\/)?api\\/v1\\/.*$'),
	new workbox.strategies.NetworkOnly()
);

// Cache everything else
workbox.routing.registerRoute(
	new RegExp('.*'),
    new workbox.strategies.StaleWhileRevalidate()
);