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1'use strict'2 3const assert = require('node:assert')4const WrapHandler = require('./wrap-handler')5 6/**7 * @deprecated8 */9module.exports = class DecoratorHandler {10  #handler11  #onCompleteCalled = false12  #onErrorCalled = false13  #onResponseStartCalled = false14 15  constructor (handler) {16    if (typeof handler !== 'object' || handler === null) {17      throw new TypeError('handler must be an object')18    }19    this.#handler = WrapHandler.wrap(handler)20  }21 22  onRequestStart (...args) {23    this.#handler.onRequestStart?.(...args)24  }25 26  onRequestUpgrade (...args) {27    assert(!this.#onCompleteCalled)28    assert(!this.#onErrorCalled)29 30    return this.#handler.onRequestUpgrade?.(...args)31  }32 33  onResponseStart (...args) {34    assert(!this.#onCompleteCalled)35    assert(!this.#onErrorCalled)36    assert(!this.#onResponseStartCalled)37 38    this.#onResponseStartCalled = true39 40    return this.#handler.onResponseStart?.(...args)41  }42 43  onResponseData (...args) {44    assert(!this.#onCompleteCalled)45    assert(!this.#onErrorCalled)46 47    return this.#handler.onResponseData?.(...args)48  }49 50  onResponseEnd (...args) {51    assert(!this.#onCompleteCalled)52    assert(!this.#onErrorCalled)53 54    this.#onCompleteCalled = true55    return this.#handler.onResponseEnd?.(...args)56  }57 58  onResponseError (...args) {59    this.#onErrorCalled = true60    return this.#handler.onResponseError?.(...args)61  }62 63  /**64   * @deprecated65   */66  onBodySent () {}67}68