use worker to avoid freezing

modules/compute.js

@@ -14,7 +14,17 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
-import { modinv, modpow, modsqrt, ord } from "./math.js";
+importScripts("./math.js")
+
+addEventListener("message", (message) => {
+	if (message.data.command === "compute") {
+		try {
+			compute(message.data.queue, message.data.m);
+		} catch(e) {
+			postMessage(e);
+		}
+	}
+});
 
 function binaryOpPop(stack) {
 	const b = stack.pop();
@@ -88,7 +98,5 @@ function compute(queue, modulus) {
 		result += modulus;
 	}
 
-	return result;
+	postMessage(result);
 }
-
-export { compute };

modules/math.js

@@ -220,5 +220,3 @@ function ord(n, modulus) {
 
 	return k;
 }
-
-export { modsqrt, modinv, modpow, ord };