background.js

const fields = {
  name: "Nikhil",
  phone: "1234567890",
  email: "nikhil@gmail.com",
  location: "Overland Park,KS",
};

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  console.log(message);
  if (message.action === "fetchToken") {
    chrome.storage.local.get("token", (data) => {
      const token = data.token;
      if (token) {
        sendResponse(token);
      } else {
        sendResponse(null);
      }
    });
  }
  if (message.action === "AddToken") {
    chrome.storage.local.set({ token: message.token }, () => {
      console.log("Token is set");
    });
  }

  if (message.action === "closeTab") {
    chrome.tabs.remove(sender.tab.id);
  }
  if (message.action === "newTab") {
    chrome.tabs.create({
      url: message.url,
      active: true,
    });
  }
  if (message.action === "getTabUrl") {
    chrome.tabs.query({ active: true, currentWindow: true }, function (tabs) {
      sendResponse(tabs[0].url);
    });
  }
  return true;
});

chrome.runtime.onMessageExternal.addListener(
  (message, sender, sendResponse) => {
    if (message.action === "AddToken") {
      chrome.storage.local.set({ token: message.token }, () => {
        console.log("Token is set");
      });
    }
    if (message.action === "fetchToken") {
      chrome.storage.local.get("token", (data) => {
        const token = data.token;
        if (token) {
          sendResponse(token);
        } else {
          sendResponse(null);
        }
      });
    }
  }
);