adrift/frontend/sw.js

/*global UVServiceWorker,__uv$config*/
/*
 * Stock service worker script.
 * Users can provide their own sw.js if they need to extend the functionality of the service worker.
 * Ideally, this will be registered under the scope in uv.config.js so it will not need to be modified.
 * However, if a user changes the location of uv.bundle.js/uv.config.js or sw.js is not relative to them, they will need to modify this script locally.
 */

import index from "sw-filemap"

let filemap = JSON.parse(index);

importScripts('uv/uv.bundle.js');
importScripts('uv.config.js');
importScripts(__uv$config.sw || 'uv.sw.js');


const sw = new UVServiceWorker();

self.addEventListener('fetch', (event) => {
    let url = new URL(event.request.url).pathname;
    // console.log(url);
    if (url == "/")
        url = "/index.html";
    if (filemap[url]) {

        let contenttype = "text/plain";

        if (url.includes(".js"))
            contenttype = "application/javascript";
        else if (url.includes(".html"))
            contenttype = "text/html";
        else if (url.includes(".css"))
            contenttype = "text/css";


        event.respondWith(new Response(filemap[url], {
            headers: {
                "content-type": contenttype
            }
        }));
    } else {
        event.respondWith(sw.fetch(event))
    }
});