diff --git a/enable-threads.js b/enable-threads.js
new file mode 100644
index 0000000..955e31f
--- /dev/null
+++ b/enable-threads.js
@@ -0,0 +1,75 @@
+// NOTE: This file creates a service worker that cross-origin-isolates the page (read more here: https://web.dev/coop-coep/) which allows us to use wasm threads.
+// Normally you would set the COOP and COEP headers on the server to do this, but Github Pages doesn't allow this, so this is a hack to do that.
+
+/* Edited version of: coi-serviceworker v0.1.6 - Guido Zuidhof, licensed under MIT */
+// From here: https://github.com/gzuidhof/coi-serviceworker
+if(typeof window === 'undefined') {
+ self.addEventListener("install", () => self.skipWaiting());
+ self.addEventListener("activate", e => e.waitUntil(self.clients.claim()));
+
+ async function handleFetch(request) {
+ if(request.cache === "only-if-cached" && request.mode !== "same-origin") {
+ return;
+ }
+
+ if(request.mode === "no-cors") { // We need to set `credentials` to "omit" for no-cors requests, per this comment: https://bugs.chromium.org/p/chromium/issues/detail?id=1309901#c7
+ request = new Request(request.url, {
+ cache: request.cache,
+ credentials: "omit",
+ headers: request.headers,
+ integrity: request.integrity,
+ destination: request.destination,
+ keepalive: request.keepalive,
+ method: request.method,
+ mode: request.mode,
+ redirect: request.redirect,
+ referrer: request.referrer,
+ referrerPolicy: request.referrerPolicy,
+ signal: request.signal,
+ });
+ }
+
+ let r = await fetch(request).catch(e => console.error(e));
+
+ if(r.status === 0) {
+ return r;
+ }
+
+ const headers = new Headers(r.headers);
+ headers.set("Cross-Origin-Embedder-Policy", "credentialless"); // or: require-corp
+ headers.set("Cross-Origin-Opener-Policy", "same-origin");
+
+ return new Response(r.body, { status: r.status, statusText: r.statusText, headers });
+ }
+
+ self.addEventListener("fetch", function(e) {
+ e.respondWith(handleFetch(e.request)); // respondWith must be executed synchonously (but can be passed a Promise)
+ });
+
+} else {
+ (async function() {
+ if(window.crossOriginIsolated !== false) return;
+
+ let registration = await navigator.serviceWorker.register(window.document.currentScript.src).catch(e => console.error("COOP/COEP Service Worker failed to register:", e));
+ if(registration) {
+ console.log("COOP/COEP Service Worker registered", registration.scope);
+
+ registration.addEventListener("updatefound", () => {
+ console.log("Reloading page to make use of updated COOP/COEP Service Worker.");
+ window.location.reload();
+ });
+
+ // If the registration is active, but it's not controlling the page
+ if(registration.active && !navigator.serviceWorker.controller) {
+ console.log("Reloading page to make use of COOP/COEP Service Worker.");
+ window.location.reload();
+ }
+ }
+ })();
+}
+
+// Code to deregister:
+// let registrations = await navigator.serviceWorker.getRegistrations();
+// for(let registration of registrations) {
+// await registration.unregister();
+// }
diff --git a/index.html b/index.html
index 67a0afd..afe1dd6 100644
--- a/index.html
+++ b/index.html
@@ -58,6 +58,8 @@
src: url(fonts/acme_7_wide_xtnd.woff);
}
+
+