From fcdf79538752cfb7210e8b9b466e885210567862 Mon Sep 17 00:00:00 2001
From: filifa <filifa.breath652@8alias.com>
Date: Thu, 11 Dec 2025 23:49:34 -0500
Subject: [PATCH] use worker to avoid freezing

---
 main.js            | 15 +++++++--------
 modules/compute.js | 16 ++++++++++++----
 modules/math.js    |  2 --
 3 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/main.js b/main.js
index c286db6..45ee0c2 100644
--- a/main.js
+++ b/main.js
@@ -16,7 +16,11 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 import { tokenize } from "./modules/lexer.js";
 import { shunt } from "./modules/parser.js";
-import { compute } from "./modules/compute.js";
+
+const worker = new Worker("./modules/compute.js");
+worker.addEventListener("message", (message) => {
+	document.querySelector("#result").value = message.data;
+});
 
 function evaluate() {
 	const expr = document.querySelector("#expr");
@@ -44,13 +48,8 @@ function evaluate() {
 
 	console.log(queue);
 
-	try {
-		result.value = compute(queue, m);
-	} catch(e) {
-		result.value = e;
-		console.log(e);
-		return;
-	}
+	worker.postMessage({command: "compute", queue, m});
+	result.value = "calculating...";
 }
 
 const expr = document.querySelector("#expr");
diff --git a/modules/compute.js b/modules/compute.js
index cda89d8..29fb632 100644
--- a/modules/compute.js
+++ b/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 };
diff --git a/modules/math.js b/modules/math.js
index 8bb4ff2..f1cc164 100644
--- a/modules/math.js
+++ b/modules/math.js
@@ -220,5 +220,3 @@ function ord(n, modulus) {
 
 	return k;
 }
-
-export { modsqrt, modinv, modpow, ord };