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// Copyright (c) 2017-2022 Cloudflare, Inc.
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// Licensed under the Apache 2.0 license found in the LICENSE file or at:
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//     https://opensource.org/licenses/Apache-2.0
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// Of all the deprecated Node.js modules that we need to have available
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// but don't want to actually implement, domain is the probably the
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// most least likely to ever be implemented.
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import { EventEmitter } from 'node-internal:events';
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EventEmitter.usingDomains = false;
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export class Domain extends EventEmitter {
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  members: unknown[] | undefined = undefined;
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  _errorHandler(_er: unknown): void {
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    // Should never be called since we override everything that would call it.
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    // But if it is, just throw the error that is passed in.
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    throw _er;
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  }
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  enter(): void {
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    // Instead of throwing, we just don't do anything here
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  }
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  exit(): void {
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    // Instead of throwing, we just don't do anything here.
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  }
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  add(_ee: unknown): void {
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    // Instead of throwing, we just don't do anything here.
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  }
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  remove(_ee: unknown): void {
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    // Instead of throwing, we just don't do anything here.
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  }
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  // eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
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  run(fn: Function, ...args: unknown[]): unknown {
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    // This is non-operational. We end up just calling the function directly.
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    this.enter();
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    const ret: unknown = Reflect.apply(fn, this, args);
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    this.exit();
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    return ret;
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  }
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  // eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
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  intercept(cb: Function): Function {
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    // This is non-operational. We end up just returning the callback directly.
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    return cb;
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  }
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  // eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
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  bind(cb: Function): Function {
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    // This is non-operational. We end up just returning the callback directly.
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    return cb;
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  }
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}
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export function createDomain(): Domain {
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  return new Domain();
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}
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export const create = createDomain();
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// The active domain is always the one that we're currently in.
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export const active: Domain | null = null;
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export default {
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  Domain,
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  active,
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  createDomain,
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  create,
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};