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path: root/includes/external/matrix/node_modules/matrix-widget-api/src/interfaces/WidgetApiDirection.ts
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/*
 * Copyright 2020 The Matrix.org Foundation C.I.C.
 *
 * 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.
 */

export enum WidgetApiDirection {
    ToWidget = "toWidget",
    FromWidget = "fromWidget",
}

export function invertedDirection(dir: WidgetApiDirection): WidgetApiDirection {
    if (dir === WidgetApiDirection.ToWidget) {
        return WidgetApiDirection.FromWidget;
    } else if (dir === WidgetApiDirection.FromWidget) {
        return WidgetApiDirection.ToWidget;
    } else {
        throw new Error("Invalid direction");
    }
}