matrix-react-sdk/lib/WorkerManager.js

SDK for matrix.org using React

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.WorkerManager = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _utils = require("matrix-js-sdk/src/utils");
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2.default)(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; } /*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
class WorkerManager {
  constructor(worker) {
    (0, _defineProperty2.default)(this, "worker", void 0);
    (0, _defineProperty2.default)(this, "seq", 0);
    (0, _defineProperty2.default)(this, "pendingDeferredMap", new Map());
    (0, _defineProperty2.default)(this, "onMessage", ev => {
      const deferred = this.pendingDeferredMap.get(ev.data.seq);
      if (deferred) {
        this.pendingDeferredMap.delete(ev.data.seq);
        deferred.resolve(ev.data);
      }
    });
    this.worker = worker;
    this.worker.onmessage = this.onMessage;
  }
  call(request) {
    const seq = this.seq++;
    const deferred = (0, _utils.defer)();
    this.pendingDeferredMap.set(seq, deferred);
    this.worker.postMessage(_objectSpread({
      seq
    }, request));
    return deferred.promise;
  }
}
exports.WorkerManager = WorkerManager;
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