eventPage.js

// test at init
chrome.runtime.onInstalled.addListener(() => {
  log("[OnInstalled] ");
  // need to indicate that extension need  config
});

chrome.runtime.onStartup.addListener(() => {
  log("[onStartup]");
});

chrome.runtime.onSuspend.addListener(() => {
  log("[onSuspend]");
});

chrome.alarms.onAlarm.addListener(alarm => {
  log("[onAlarm] with alarm: ", alarm);

  switch (alarm.name) {
    case ALARM_ICON_INDICATOR:
      updateIconIndicator();
      break;
    default:
      log("[onAlarm] default alarm triggered for alarm: ", alarm);
      break;
  }
});

// extension calls
chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
  console.log("[onMessage] action:", request.action);
  switch (request.action) {
    case "pingAPI":
      pingAPI(sendResponse, sendResponse);
      break;
    case "refreshData":
      getFilteredLabels(sendResponse);
      break;
  }

  // we need to return true, to indicate sendResponse will be handle asynchronously
  return true;
});

// periodic calls
chrome.alarms.create(ALARM_ICON_INDICATOR, {
  delayInMinutes: 0,
  periodInMinutes: 5
});

// notifications
chrome.notifications.onClosed.addListener((id, byUser) => {
  console.log("lets clear it", id, byUser);
});

chrome.notifications.onClicked.addListener(id => {
  console.log("click!", id);
});