blob: cfbad9d236e6d11e73d0dfb5a7e9864bbb018b76 [file] [log] [blame]
/**
* @license
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {IronFitBehavior} from '@polymer/iron-fit-behavior/iron-fit-behavior';
import {mixinBehaviors} from '@polymer/polymer/lib/legacy/class';
import {PolymerElement} from '@polymer/polymer/polymer-element';
import {Constructor} from '../../utils/common-util';
// The mixinBehaviors clears all type information about superClass.
// As a workaround, we define IronFitMixin with correct type.
export const IronFitMixin = <T extends Constructor<PolymerElement>>(
superClass: T
): T & Constructor<IronFitBehavior> =>
// TODO(TS): mixinBehaviors in some lib is returning: `new () => T` instead
// which will fail the type check due to missing IronFitBehavior interface
mixinBehaviors([IronFitBehavior], superClass) as any;