serviceWorker.ts

import { getCurrentTabId, isFirefox } from "./core/common/common";
import { JSONToFormData } from "./core/common/dom";
import { fetchSafe } from "./core/common/fetch";
import { alarmNotifications, notificationClicked, setInitialNotificationsEventId } from "./core/notifications";
import { migrateSettings } from "./core/settings";

const requiredOrigin = "https://www.shacknews.com/chatty*";

// use non-async response here due to: https://bugs.chromium.org/p/chromium/issues/detail?id=1185241
chrome.runtime.onMessage.addListener(
  (request: OnMessageRequest, _: chrome.runtime.MessageSender, sendResponse: any) => {
    try {
      if (request.name === "scrollByKeyFix" && isFirefox()) {
        // scroll-by-key fix for Chatty
        getCurrentTabId().then((tabId) => {
          chrome.scripting
            .executeScript({
              target: { tabId },
              files: ["patches/nuScrollByKeyFix.js"],
            })
            .then((r) => {
              sendResponse(r);
            });
        });
      } else if (request.name === "corbFetch") {
        const fetchArgs: FetchArgs = {
          url: request.url as string,
          fetchOpts: request.fetchOpts,
          parseType: request.parseType,
        };
        fetchSafe(fetchArgs).then((response) => {
          sendResponse(response);
        });
      } else if (request.name === "corbPost") {
        const _fd = request.data ? JSONToFormData(request.data) : null;
        const fetchArgs: FetchArgs = {
          url: request.url as string,
          fetchOpts: {
            ...request.fetchOpts,
            method: request.fetchOpts?.method ? request.fetchOpts.method : "POST",
            body: _fd,
          },
          parseType: request.parseType,
        };
        fetchSafe(fetchArgs).then((response) => {
          sendResponse(response);
        });
      }
      return true;
    } catch (e) {
      console.error(e);
    }
  }
);

// spin up the notification polling service
chrome.notifications.onClicked.addListener(notificationClicked);
chrome.alarms.onAlarm.addListener(async (alarm) => {
  if (alarm.name === "notification-alarm") {
    await alarmNotifications();
  }
});

(async () => {
  // attempt to migrate legacy settings on startup
  await migrateSettings();
  await setInitialNotificationsEventId();
  chrome.alarms.create("notification-alarm", {
    delayInMinutes: 1,
    periodInMinutes: 1,
  });
})();

chrome.runtime.onInstalled.addListener((details) => {
  // only show the Preferences->Permissions panel if we're in Firefox
  if (isFirefox && details.reason === "install") {
    console.log("serviceWorker caught an permissions.onInstalled message!");
    chrome.runtime.openOptionsPage();
  } else if (isFirefox && details.reason === "update") {
    console.log("serviceWorker caught a permissions.onRemoved message!");
    chrome.runtime.openOptionsPage();
  }
});
chrome.permissions.onAdded.addListener(async (permissions) => {
  const isGranted = permissions.origins.includes(requiredOrigin);
  console.log("permission.onAdded:", isGranted);
  chrome.runtime.sendMessage({ type: "permissions_granted", permissions: permissions });
});
chrome.permissions.onRemoved.addListener(async (permissions) => {
  if (!isFirefox) return;

  const isGranted = permissions.origins.includes(requiredOrigin);
  console.log("permission.onRemoved:", isGranted);
  chrome.runtime.sendMessage({ type: "permissions_removed", permissions: permissions });
});