[Newtab] Ability to opt out

[josephj]

https://poe.com/s/sTMDIx1Iwl6ZJqKc9vCO

import { Storage } from "@plasmohq/storage";

const storage = new Storage();

chrome.runtime.onInstalled.addListener(async () => {
  const overrideNewTab = await storage.get("overrideNewTab");
  if (overrideNewTab === undefined) {
    await storage.set("overrideNewTab", true);
  }
});

chrome.runtime.onMessage.addListener(async (message, sender, sendResponse) => {
  if (message.type === "UPDATE_NEW_TAB_OVERRIDE") {
    await handleNewTabOverride(message.value);
  }
});

async function handleNewTabOverride(override: boolean) {
  if (override) {
    chrome.tabs.onCreated.addListener(onTabCreated);
  } else {
    chrome.tabs.onCreated.removeListener(onTabCreated);
  }
}

function onTabCreated(tab: chrome.tabs.Tab) {
  if (tab.pendingUrl === "chrome://newtab/" || tab.url === "chrome://newtab/") {
    chrome.tabs.update(tab.id, { url: chrome.runtime.getURL("index.html") });
  }
}

// 初始化
storage.get("overrideNewTab").then(handleNewTabOverride);