crowd-funder-for-time-pwa/sw_scripts/additional-scripts.js

/* eslint-env serviceworker */
/* global workbox */
importScripts(
  "https://storage.googleapis.com/workbox-cdn/releases/6.4.1/workbox-sw.js",
);

function logConsoleAndDb(message, arg1, arg2) {
  // in chrome://serviceworker-internals note that the arg1 and arg2 here will show as "[object Object]" in that page but will show as expandable objects in the console
  console.log(`${new Date().toISOString()} ${message}`, arg1, arg2);
  if (self.appendDailyLog) {
    let fullMessage = `${new Date().toISOString()} ${message}`;
    if (arg1) {
      fullMessage += `\n${JSON.stringify(arg1)}`;
    }
    if (arg2) {
      fullMessage += `\n${JSON.stringify(arg2)}`;
    }
    self.appendDailyLog(fullMessage);
  } else {
    // sometimes we get the error: "Uncaught TypeError: self.appendDailyLog is not a function"
    console.log(
      "Not logging to DB (often because self.appendDailyLog doesn't exist).",
    );
  }
}

self.addEventListener("install", async (event) => {
  console.log("Service worker got install event. Importing scripts...", event);
  await importScripts(
    "safari-notifications.js",
    "nacl.js",
    "noble-curves.js",
    "noble-hashes.js",
  );
  // this should now be available
  logConsoleAndDb("Service worker imported all scripts.");
});

self.addEventListener("activate", (event) => {
  logConsoleAndDb("Service worker is activating...", event);
  // see https://developer.mozilla.org/en-US/docs/Web/API/Clients/claim
  // and https://web.dev/articles/service-worker-lifecycle#clientsclaim
  event.waitUntil(clients.claim());
  logConsoleAndDb("Service worker is activated.");
});

self.addEventListener("push", function (event) {
  let text = null;
  if (event.data) {
    text = event.data.text();
  }
  logConsoleAndDb("Service worker received a push event.", text, event);
  event.waitUntil(
    (async () => {
      try {
        let payload;
        if (text) {
          try {
            payload = JSON.parse(text);
          } catch (e) {
            // don't use payload since it is not JSON
          }
        }

        // This is a special value that tells the service worker to trigger its daily check.
        // See https://gitea.anomalistdesign.com/trent_larson/py-push-server/src/commit/c1ed026662e754348a5f91542680bd4f57e5b81e/app.py#L217
        const DAILY_UPDATE_TITLE = "DAILY_CHECK";

        // This is a special value that tells the service worker to send a direct notification to the device, skipping filters.
        // This is shared with the notification-test code and should be a constant. Look for the same name in HelpNotificationsView.vue
        // Make sure it is something other than the DAILY_UPDATE_TITLE.
        const DIRECT_PUSH_TITLE = "DIRECT_NOTIFICATION";

        let title;
        let message = "Got some empty message.";
        if (payload && payload.title == DIRECT_PUSH_TITLE) {
          // skip any search logic and show the message directly
          title = "Direct Notification";
          message = payload.message || "No details were provided.";
        } else {
          // any other title will run through regular filtering logic
          if (payload && payload.title === DAILY_UPDATE_TITLE) {
            title = "Daily Update";
          } else {
            title = payload.title || "Update";
          }
          message = await self.getNotificationCount();
        }
        if (message) {
          const options = {
            body: message,
            icon: payload ? payload.icon : "icon.png",
            badge: payload ? payload.badge : "badge.png",
          };
          await self.registration.showNotification(title, options);
          logConsoleAndDb("Notified user:", options);
        } else {
          logConsoleAndDb("No notification message.");
        }
      } catch (error) {
        logConsoleAndDb("Error with push event", event, error);
      }
    })(),
  );
});

self.addEventListener("message", (event) => {
  logConsoleAndDb("Service worker got a message...", event);
  if (event.data && event.data.type === "SEND_LOCAL_DATA") {
    self.secret = event.data.data;
    event.ports[0].postMessage({ success: true });
  }
  logConsoleAndDb("Service worker posted a message.");
});

self.addEventListener("fetch", (event) => {
  logConsoleAndDb("Service worker got fetch event.", event);
});

self.addEventListener("error", (event) => {
  logConsoleAndDb("Service worker error", event);
  console.error("Full Error:", event);
  console.error("Message:", event.message);
  console.error("File:", event.filename);
  console.error("Line:", event.lineno);
  console.error("Column:", event.colno);
  console.error("Error Object:", event.error);
});

workbox.precaching.precacheAndRoute(self.__WB_MANIFEST);