devtools/server/actors/worker/service-worker.js


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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

const { Actor } = require("resource://devtools/shared/protocol.js");
const {
  serviceWorkerSpec,
} = require("resource://devtools/shared/specs/worker/service-worker.js");

class ServiceWorkerActor extends Actor {
  constructor(conn, worker) {
    super(conn, serviceWorkerSpec);
    this._worker = worker;
  }

  form() {
    if (!this._worker) {
      return null;
    }

    // handlesFetchEvents is not available if the worker's main script is in the
    // evaluating state.
    const isEvaluating =
      this._worker.state == Ci.nsIServiceWorkerInfo.STATE_PARSED;
    const fetch = isEvaluating ? undefined : this._worker.handlesFetchEvents;

    return {
      actor: this.actorID,
      url: this._worker.scriptSpec,
      state: this._worker.state,
      fetch,
      id: this._worker.id,
    };
  }

  destroy() {
    super.destroy();
    this._worker = null;
  }
}

exports.ServiceWorkerActor = ServiceWorkerActor;