Combine Knub's type helpers with Zeppelin's, continue Utility plugin port

backend/src/plugins/Utility/commands/NicknameResetCmd.ts

@@ -0,0 +1,33 @@
+import { utilityCmd } from "../types";
+import { commandTypeHelpers as ct } from "../../../commandTypes";
+import { errorMessage } from "../../../utils";
+import { canActOn, sendSuccessMessage } from "../../../pluginUtils";
+
+export const NicknameResetCmd = utilityCmd({
+  trigger: "nickname reset",
+  description: "Reset a member's nickname to their username",
+  usage: "!nickname reset 106391128718245888",
+  permission: "can_nickname",
+
+  signature: {
+    member: ct.resolvedMember(),
+  },
+
+  async run({ message: msg, args, pluginData }) {
+    if (msg.member.id !== args.member.id && canActOn(pluginData, msg.member, args.member)) {
+      msg.channel.createMessage(errorMessage("Cannot reset nickname: insufficient permissions"));
+      return;
+    }
+
+    try {
+      await args.member.edit({
+        nick: "",
+      });
+    } catch (e) {
+      msg.channel.createMessage(errorMessage("Failed to reset nickname"));
+      return;
+    }
+
+    sendSuccessMessage(pluginData, msg.channel, `The nickname of <@!${args.member.id}> has been reset`);
+  },
+});