dns-killer/background.js

/**
 * DNS缓存杀手
 * @author yutent<yutent.io@gmail.com>
 * @date 2020/11/04 17:54:49
 */

chrome.runtime.onInstalled.addListener(() => {
  chrome.action.onClicked.addListener(function (ctab) {
    var cid = ctab.id
    var tid = null

    var callback = function () {
      chrome.tabs.remove(tid)
      chrome.scripting.executeScript({
        target: { tabId: cid },
        files: ['done.js']
      })
    }

    chrome.tabs.query({}, function (tabs) {
      var done = false
      for (let i = 0, tab; (tab = tabs[i++]); ) {
        if (/^chrome:\/\/net-internals/.test(tab.url)) {
          tid = tab.id
          chrome.scripting.executeScript(
            { target: { tabId: tab.id }, files: ['clean.js'] },
            callback
          )
          done = true
          break
        }
      }
      if (!done) {
        chrome.tabs.create(
          { url: 'chrome://net-internals/#dns', active: false },
          function (tab) {
            tid = tab.id
            chrome.scripting.executeScript(
              { target: { tabId: tab.id }, files: ['clean.js'] },
              callback
            )
          }
        )
      }
    })
  })
})