chrome extension update check

chrome.runtime.onUpdateAvailable.addListener(function(details) {
  console.log("updating to version " + details.version);
  chrome.runtime.reload();
});

chrome.runtime.requestUpdateCheck(function(status) {
  if (status == "update_available") {
    console.log("update pending...");
  } else if (status == "no_update") {
    console.log("no update found");
  } else if (status == "throttled") {
    console.log("Oops, I'm asking too frequently - I need to back off.");
  }
});

// background.js
chrome.runtime.onUpdateAvailable.addListener((details) => {
    if (details) {
        // if you 100% sure about this.
        // chrome.runtime.reload();

        // too distract.
        // alert(`New version (${details.version}) is available. Restart the browser to update.`);

        // requires `notifications` permission.
        // chrome.notifications.create({
        //     type: "basic",
        //     iconUrl: chrome.extension.getURL("logo-48.png"),
        //     title: "Update available",
        //     message: `New version (${details.version}) is available. Restart the browser to update.`
        // });
    }
});