--- /dev/null
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+export default class Popper {
+ static placements = [
+ 'auto',
+ 'auto-end',
+ 'auto-start',
+ 'bottom',
+ 'bottom-end',
+ 'bottom-start',
+ 'left',
+ 'left-end',
+ 'left-start',
+ 'right',
+ 'right-end',
+ 'right-start',
+ 'top',
+ 'top-end',
+ 'top-start'
+ ];
+
+ constructor() {
+ return {
+ destroy: jest.fn(),
+ scheduleUpdate: jest.fn()
+ };
+ }
+}
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