feat: add member cache; handle all role changes with RoleManagerPlugin; exit gracefully

backend/src/plugins/GuildMemberCache/events/cancelDeletionOnMemberJoin.ts

@@ -0,0 +1,9 @@
+import { guildPluginEventListener } from "knub";
+import { GuildMemberCachePluginType } from "../types";
+
+export const cancelDeletionOnMemberJoin = guildPluginEventListener<GuildMemberCachePluginType>()({
+  event: "guildMemberAdd",
+  async listener({ pluginData, args: { member } }) {
+    pluginData.state.memberCache.unmarkMemberForDeletion(member.id);
+  },
+});