fix edit role bug

src/utils/permissions.ts

@@ -180,6 +180,7 @@ export async function hasChannelPermissions(
   return botHasPermission(guild.id, permissions);
 }
 
+/** This function converts a bitwise string to permission strings */
 export function calculatePermissions(permissionBits: bigint) {
   return Object.keys(Permissions).filter((perm) => {
     if (typeof perm !== "number") return false;
@@ -187,6 +188,14 @@ export function calculatePermissions(permissionBits: bigint) {
   }) as Permission[];
 }
 
+/** This function converts an array of permissions into the bitwise string. */
+export function calculateBits(permissions: Permission[]) {
+  return permissions.reduce(
+    (bits, perm) => bits |= BigInt(Permissions[perm]),
+    BigInt(0),
+  ).toString();
+}
+
 export async function highestRole(guildID: string, memberID: string) {
   const guild = await cacheHandlers.get("guilds", guildID);
   if (!guild) return;