Custom formatting of display name

package.build.ts

@@ -280,6 +280,21 @@ export const pkg = (modules: Builder.ParsedModule[]) => ({
                   + "non-directional, like Kakoune.",
                 ],
               },
+              activeModeDisplayTextTransform: {
+                "enum": [
+                  "as-is",
+                  "uppercase",
+                  "lowercase",
+
+                ],
+                "default": "as-is",
+                "description": "Controls how the active mode is formatted in the status bar.",
+                "enumDescriptions": [
+                  "Display the name with its original formatting.",
+                  "Convert the name to uppercase.",
+                  "Convert the name to lowercase.",
+                ],
+              },
               decorations: {
                 ...selectionDecorationType,
                 type: ["array", "object", "null"],

src/state/editors.ts

@@ -1,10 +1,10 @@
 import * as vscode from "vscode";
 
-import type { Extension } from "./extension";
-import type { Mode } from "./modes";
 import { command, commands, Context, Positions, SelectionBehavior, Selections } from "../api";
 import { extensionName } from "../utils/constants";
 import { assert } from "../utils/errors";
+import type { Extension } from "./extension";
+import type { Mode } from "./modes";
 
 /**
  * Dance-specific state related to a single `vscode.TextEditor`.
@@ -234,14 +234,27 @@ export class PerEditorState implements vscode.Disposable {
   public notifyDidBecomeActive() {
     const { editor, mode } = this;
 
-    this.extension.statusBar.activeModeSegment.setContent(mode.name);
+    this.extension.statusBar.activeModeSegment.setContent(this._formatDisplayName(mode.name));
 
     editor.options.lineNumbers = mode.lineNumbers;
     editor.options.cursorStyle = mode.cursorStyle;
 
     return vscode.commands.executeCommand("setContext", extensionName + ".mode", mode.name);
   }
 
+  private _formatDisplayName(modeName: string) {
+    switch (vscode.workspace.getConfiguration(extensionName)
+      .get<string>("activeModeDisplayTextTransform")) {
+    case "uppercase":
+      return modeName.toUpperCase();
+    case "lowercase":
+      return modeName.toLowerCase();
+    case "as-is":
+    default:
+      return modeName;
+    }
+  }
+
   /**
    * Called when `vscode.window.onDidChangeActiveTextEditor` is triggered with
    * another editor.