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chore: port client-side JS to TypeScript (#1100)

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* chore(challenge/preact): port to typescript

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore(js/algorithms): port to typescript

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore(js/worker): port to typescript

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore(web): fix TypeScript build logic

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore(web): port bench.mjs to typescript

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore(web): port main.mjs to typescript

Signed-off-by: Xe Iaso <me@xeiaso.net>

* Update metadata

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* fix(js/algorithms/fast): handle old browsers

Closes #1082

Signed-off-by: Xe Iaso <me@xeiaso.net>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>
Signed-off-by: check-spelling-bot <check-spelling-bot@users.noreply.github.com>
This commit is contained in:
Xe Iaso 2025-09-11 10:03:10 -04:00 • committed by GitHub
parent 8ed89a6c6e
commit 2011b83a44
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12 changed files with 190 additions and 130 deletions
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77
web/js/algorithms/fast.mjs
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@ -1,77 +0,0 @@
export default function process(
{ basePrefix, version },
data,
difficulty = 5,
signal = null,
progressCallback = null,
threads = Math.trunc(Math.max(navigator.hardwareConcurrency / 2, 1)),
) {
console.debug("fast algo");
let workerMethod = window.crypto !== undefined ? "webcrypto" : "purejs";
if (navigator.userAgent.includes("Firefox") || navigator.userAgent.includes("Goanna")) {
console.log("Firefox detected, using pure-JS fallback");
workerMethod = "purejs";
}
return new Promise((resolve, reject) => {
let webWorkerURL = `${basePrefix}/.within.website/x/cmd/anubis/static/js/worker/sha256-${workerMethod}.mjs?cacheBuster=${version}`;
console.log(webWorkerURL);
const workers = [];
let settled = false;
const cleanup = () => {
if (settled) {
return;
}
settled = true;
workers.forEach((w) => w.terminate());
if (signal != null) {
signal.removeEventListener("abort", onAbort);
}
};
const onAbort = () => {
console.log("PoW aborted");
cleanup();
reject(new DOMException("Aborted", "AbortError"));
};
if (signal != null) {
if (signal.aborted) {
return onAbort();
}
signal.addEventListener("abort", onAbort, { once: true });
}
for (let i = 0; i < threads; i++) {
let worker = new Worker(webWorkerURL);
worker.onmessage = (event) => {
if (typeof event.data === "number") {
progressCallback?.(event.data);
} else {
cleanup();
resolve(event.data);
}
};
worker.onerror = (event) => {
cleanup();
reject(event);
};
worker.postMessage({
data,
difficulty,
nonce: i,
threads,
});
workers.push(worker);
}
});
}