method_channel.ts

// Copyright 2024 The Outline Authors
//
// 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 interface MethodChannel {
  invokeMethod(methodName: string, params: string): Promise<string>;
}

let defaultMethodChannel: MethodChannel;

export function installDefaultMethodChannel(
  methodChannel: MethodChannel
): void {
  defaultMethodChannel = methodChannel;
}

export function getDefaultMethodChannel(): MethodChannel {
  if (!defaultMethodChannel) {
    throw new Error('default MethodChannel not installed');
  }
  return defaultMethodChannel;
}