packages/runtime-host/src/protocol/configuration-change.ts

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 { requireCount, requireExactRecord } from './codec.js';

export interface ConfigurationChangedFrame {
  readonly kind: 'configuration.changed';
  readonly revision: number;
}

export function decodeConfigurationChangedFrame(value: unknown): ConfigurationChangedFrame {
  const frame = requireExactRecord(value, 'configuration changed frame', ['kind', 'revision']);
  return {
    kind: 'configuration.changed',
    revision: requireCount(frame.revision, 'configuration revision'),
  };
}