devtools/client/application/src/middleware/event-telemetry.js

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 "use strict";
   6
   7 const {
   8   START_WORKER,
   9   UNREGISTER_WORKER,
  10   UPDATE_SELECTED_PAGE,
  11 } = require("resource://devtools/client/application/src/constants.js");
  12
  13 function eventTelemetryMiddleware(telemetry) {
  14   function recordEvent(method, details = {}) {
  15     telemetry.recordEvent(method, "application", null, details);
  16   }
  17
  18   return () => next => action => {
  19     switch (action.type) {
  20       // ui telemetry
  21       case UPDATE_SELECTED_PAGE:
  22         recordEvent("select_page", { page_type: action.selectedPage });
  23         break;
  24       // service-worker related telemetry
  25       case UNREGISTER_WORKER:
  26         recordEvent("unregister_worker");
  27         break;
  28       case START_WORKER:
  29         recordEvent("start_worker");
  30         break;
  31     }
  32
  33     return next(action);
  34   };
  35 }
  36
  37 module.exports = eventTelemetryMiddleware;