window.parent.$messager
$messager: Messenger
tryTime: 0
_callback: (16) [ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ, ƒ]
_msgQueue: []
_needToken: true
_protocol: "APPSERVICEDEVTOOLS"
_ws: WebSocket
binaryType: "blob"
bufferedAmount: 0
extensions: ""
onclose: t=> {…}
onerror: null
onmessage: t=> {…}
onopen: t=> {…}
protocol: "APPSERVICEDEVTOOLS#ddeb6731d63c79e3b5b91c0f99ebc5da#"
readyState: 1
url: "ws://127.0.0.1:47138/"
__proto__: WebSocket
__proto__: Object

location.href
chrome-extension://mbeenbnhnmdhkbicabncjghgnikfbgjh/html/index.html?appid=wxfa2ea65288e28233&projectpath=D%3A%5CProject%5CWeCuit-Project%5CWeCuit-Mini-uni-test_uni_vue-cli%5Cdist%5Cdev%5Cmp-weixin&projectname=mp-weixin&projectid=D%3A%5CProject%5CWeCuit-Project%5CWeCuit-Mini-uni-test_uni_vue-cli%5Cdist%5Cdev%5Cmp-weixin&parentid=&runtimeid=0&isTemp=&isOnline=&theme=dark&bgwsurl=ws%3A%2F%2F127.0.0.1%3A23740&bgwstoken=9f53cf0d5af65d07603b418b2360ca5f&autoPort=&testTicket=&skeletonPath=C%3A%5CUsers%5Cjiyec%5CAppData%5CLocal%5C%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E5%B7%A5%E5%85%B7%5CUser%20Data%5Cf13f1c30f325514de496c9db6e27b110%5CWeappCache%5CskeletonCache%5Cdf11d8701a010a8b2a2b0d14471e492b%2Fpageskeleton.html&openedFile=&masterH2ProxyPort=&masterProxyPort=&masterUAToken=&openidMD5=&devtype=miniprogram&frame=0&devid=16d80095a3bb2637b9444afa985c63b3

修改devtools_app.html
点击“调试调试器”
调试器源代码有相应变化


nw.js v0.49.3
Node v15.0.1
Chromium 86.0.4240.111
commit hash: e587598-d7277f7-d507c96-bbb240e
NW.JS

并未出现“devtools is not loaded properly“



测试：
"D:\Program Files (x86)\Tencent\微信web开发者工具\wechatdevtools.exe" "D:\Program Files (x86)\Tencent\微信web开发者工具\code\package.nw" "-load-extension=C:\Users\jiyec\AppData\Local\微信开发者工具\User Data\f13f1c30f325514de496c9db6e27b110\WeappPlugin" "--custom-devtools-frontend=file://C:/Users/jiyec/AppData/Local/%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E5%B7%A5%E5%85%B7/User Data/f13f1c30f325514de496c9db6e27b110/WeappPlugin/inspector"

编辑器主界面：
    控制台devtools is not loaded properly
    调试器显示正常
调试器：
    正常，可用
    控制台window.parent.$messager正常

除去"--custom-devtools-frontend"参数:
    调试器：
        不可使用，空白
        控制台window.parent.$messager异常，not exists
    主界面：
        devtools is not loaded properly
        custom devtools frontend param is missing
        
安装 redux-logger redux-devtools-extension