From 01bd241af3a864d38acbf39795a11992cdd82058 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Collonval?= <fcollonval@gmail.com>
Date: Tue, 5 Sep 2023 09:55:00 +0200
Subject: [PATCH] Move token to its own file

---
 packages/lab/src/index.ts   |  9 +++------
 packages/lab/src/preview.ts | 22 ++--------------------
 packages/lab/src/tokens.ts  | 16 ++++++++++++++++
 3 files changed, 21 insertions(+), 26 deletions(-)
 create mode 100644 packages/lab/src/tokens.ts

diff --git a/packages/lab/src/index.ts b/packages/lab/src/index.ts
index 0305dfb..9ce1a01 100644
--- a/packages/lab/src/index.ts
+++ b/packages/lab/src/index.ts
@@ -32,13 +32,10 @@ import { ReadonlyPartialJSONObject } from '@lumino/coreutils';
 
 import { fullScreenIcon, RISEIcon } from './icons';
 
-import {
-  RisePreview,
-  IRisePreviewTracker,
-  RisePreviewFactory
-} from './preview';
+import { RisePreview, RisePreviewFactory } from './preview';
+import { IRisePreviewTracker } from './tokens';
 
-export { IRisePreviewTracker } from './preview';
+export { IRisePreviewTracker } from './tokens';
 
 /**
  * Command IDs namespace for JupyterLab RISE extension
diff --git a/packages/lab/src/preview.ts b/packages/lab/src/preview.ts
index 0210831..cc4cdfd 100644
--- a/packages/lab/src/preview.ts
+++ b/packages/lab/src/preview.ts
@@ -1,9 +1,4 @@
-import {
-  IFrame,
-  ToolbarButton,
-  IWidgetTracker,
-  Toolbar
-} from '@jupyterlab/apputils';
+import { IFrame, ToolbarButton, Toolbar } from '@jupyterlab/apputils';
 
 import {
   ABCWidgetFactory,
@@ -19,7 +14,7 @@ import { refreshIcon } from '@jupyterlab/ui-components';
 
 import { CommandRegistry } from '@lumino/commands';
 
-import { PromiseDelegate, Token } from '@lumino/coreutils';
+import { PromiseDelegate } from '@lumino/coreutils';
 
 import { Message } from '@lumino/messaging';
 
@@ -29,19 +24,6 @@ import { Widget } from '@lumino/widgets';
 
 import { fullScreenIcon, RISEIcon } from './icons';
 
-/**
- * A class that tracks Rise Preview widgets.
- */
-// eslint-disable-next-line @typescript-eslint/no-empty-interface
-export interface IRisePreviewTracker extends IWidgetTracker<RisePreview> {}
-
-/**
- * The Rise Preview tracker token.
- */
-export const IRisePreviewTracker = new Token<IRisePreviewTracker>(
-  'jupyterlab-rise:IRisePreviewTracker'
-);
-
 /**
  * A DocumentWidget that shows a Rise preview in an IFrame.
  */
diff --git a/packages/lab/src/tokens.ts b/packages/lab/src/tokens.ts
new file mode 100644
index 0000000..392c951
--- /dev/null
+++ b/packages/lab/src/tokens.ts
@@ -0,0 +1,16 @@
+import { IWidgetTracker } from '@jupyterlab/apputils';
+import { Token } from '@lumino/coreutils';
+import type { RisePreview } from './preview';
+
+/**
+ * A class that tracks Rise Preview widgets.
+ */
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export interface IRisePreviewTracker extends IWidgetTracker<RisePreview> {}
+
+/**
+ * The Rise Preview tracker token.
+ */
+export const IRisePreviewTracker = new Token<IRisePreviewTracker>(
+  'jupyterlab-rise:IRisePreviewTracker'
+);