Reorganize plugins structure

src/handler.ts

@@ -2,8 +2,6 @@ import { URLExt } from '@jupyterlab/coreutils';
 import { ServerConnection } from '@jupyterlab/services';
 import { ReadonlyJSONObject } from '@lumino/coreutils';
 
-import { DrivesResponseError } from './drivesError';
-
 /**
  * Array of Jupyter Drives Auth Error Messages.
  */
@@ -15,6 +13,39 @@ export const AUTH_ERROR_MESSAGES = [
   'Authentication error'
 ];
 
+/**
+ * A wrapped error for a fetch response.
+ */
+export class DrivesResponseError extends ServerConnection.ResponseError {
+  /**
+   * Create a new response error.
+   */
+  constructor(
+    response: Response,
+    message = `Invalid response: ${response.status} ${response.statusText}`,
+    traceback = '',
+    json: ReadonlyJSONObject | null = {}
+  ) {
+    super(response, message);
+    this.traceback = traceback; // traceback added in mother class in 2.2.x
+    this._json = json ?? {};
+  }
+
+  /**
+   * The error response JSON body
+   */
+  get json(): ReadonlyJSONObject {
+    return this._json;
+  }
+
+  /**
+   * The traceback associated with the error.
+   */
+  traceback: string;
+
+  protected _json: ReadonlyJSONObject;
+}
+
 /**
  * Call the API extension
  *

src/icons.ts

@@ -1,12 +1,6 @@
 import { LabIcon } from '@jupyterlab/ui-components';
-import driveSvgstr from '../style/drive.svg';
 import driveBrowserSvg from '../style/driveIconFileBrowser.svg';
 
-export const DriveIcon = new LabIcon({
-  name: 'jupyter-drives:drive',
-  svgstr: driveSvgstr
-});
-
 export const driveBrowserIcon = new LabIcon({
   name: 'jupyter-drives:drive-browser',
   svgstr: driveBrowserSvg