move roundDown and numberFormat utils.js and import at origin

Extensions/combined/ryd.content-script.js

@@ -4,6 +4,7 @@ import {
   NEUTRAL_STATE,
 } from "./src/state";
 
+import { numberFormat } from "./src/utils";
 
   let storedData = {
     likes: 0,
@@ -230,33 +231,6 @@ function sendVote(vote) {
     );
   }
 
-  function roundDown(num) {
-    if (num < 1000) return num;
-    const int = Math.floor(Math.log10(num) - 2);
-    const decimal = int + (int % 3 ? 1 : 0);
-    const value = Math.floor(num / 10 ** decimal);
-    return value * 10 ** decimal;
-  }
-
-  function numberFormat(numberState) {
-    let userLocales;
-    try {
-      userLocales = new URL(
-        Array.from(document.querySelectorAll("head > link[rel='search']"))
-          ?.find((n) => n?.getAttribute("href")?.includes("?locale="))
-          ?.getAttribute("href")
-      )?.searchParams?.get("locale");
-    } catch {}
-    const formatter = Intl.NumberFormat(
-      document.documentElement.lang || userLocales || navigator.language,
-      {
-        notation: "compact",
-      }
-    );
-
-    return formatter.format(roundDown(numberState));
-  }
-
   let jsInitChecktimer = null;
 
   function setEventListeners(evt) {

Extensions/combined/src/utils.js

@@ -0,0 +1,28 @@
+function roundDown(num) {
+  if (num < 1000) return num;
+  const int = Math.floor(Math.log10(num) - 2);
+  const decimal = int + (int % 3 ? 1 : 0);
+  const value = Math.floor(num / 10 ** decimal);
+  return value * 10 ** decimal;
+}
+
+function numberFormat(numberState) {
+  let userLocales;
+  try {
+    userLocales = new URL(
+      Array.from(document.querySelectorAll("head > link[rel='search']"))
+        ?.find((n) => n?.getAttribute("href")?.includes("?locale="))
+        ?.getAttribute("href")
+    )?.searchParams?.get("locale");
+  } catch {}
+  const formatter = Intl.NumberFormat(
+    document.documentElement.lang || userLocales || navigator.language,
+    {
+      notation: "compact",
+    }
+  );
+
+  return formatter.format(roundDown(numberState));
+}
+
+export { numberFormat }