packages/runtime/src/plugin-invocation-signal.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.
 */

/** Preserve Host cancellation when a plugin adds its own cancellation source. */
export function pluginInvocationSignal(
  invocationSignal: AbortSignal,
  pluginSignal?: AbortSignal,
): AbortSignal {
  if (!pluginSignal || pluginSignal === invocationSignal) return invocationSignal;
  return AbortSignal.any([invocationSignal, pluginSignal]);
}