cc-inspector-chrome/CocosCreatorInspector/src/content/index.js

// 具有操作dom的能力
// 加载其他脚本

function injectScriptToPage(url) {
  let content = chrome.extension.getURL(url)
  console.log(`[cc-inspector]注入脚本:${content}`);
  let script = document.createElement('script')
  script.setAttribute('type', 'text/javascript')
  script.setAttribute('src', content)
  script.onload = function () {
    // 注入脚本执行完后移除掉
    this.parentNode.removeChild(this);
  }
  document.body.appendChild(script)
}

injectScriptToPage("js/inject.js");


window.addEventListener('message', function (event) {
  let data = event.data;
  // console.log("[contentScripts] " + JSON.stringify(data));
  chrome.runtime.sendMessage(data);
}, false);


let gameCanvas = document.querySelector("#GameCanvas");
if (gameCanvas) {
  // console.log('find GameCanvas element');
  // gameCanvas.addEventListener('click', function () {
  //   console.log("click canvas");
  // });
  // gameCanvas.style.display = 'none';
} else {
  // console.log("can't find GameCanvas element");
  chrome.runtime.sendMessage({type: 0, msg: "no creator game!"}, function (data) {
    console.log(data)
  });
}