使用node、express、socket.io、jade和angular。收到错误:TypeError:Cannotreadproperty'apply'ofundefined。有什么建议吗？index.js:module.exports=function(app,res){res.render('index',{title:'Express'});vario=app.get('io');io.on('connection',function(socket){});};index.jade:extendslayoutblockcontentscript.varapp=angular.

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我从头开始创建Node.js应用程序，并在app.js中添加。global.jQuery=require('jquery');之后它给了我如下错误:/home/yojna/web/node_modules/bootstrap/js/transition.js:36$.fn.emulateTransitionEnd=function(duration){^TypeError:Cannotsetproperty'emulateTransitionEnd'ofundefinedat/home/yojna/web/node_modules/bootstrap/js/transition.js:

我从头开始创建Node.js应用程序，并在app.js中添加。global.jQuery=require('jquery');之后它给了我如下错误:/home/yojna/web/node_modules/bootstrap/js/transition.js:36$.fn.emulateTransitionEnd=function(duration){^TypeError:Cannotsetproperty'emulateTransitionEnd'ofundefinedat/home/yojna/web/node_modules/bootstrap/js/transition.js:

我目前正在尝试向我的mongoose架构添加一个静态方法，但我找不到它不能以这种方式工作的原因。我的模特:import*asbcryptfrom'bcryptjs';import{Document,Schema,Model,model}from'mongoose';import{IUser}from'../interfaces/IUser';exportinterfaceIUserModelextendsIUser,Document{comparePassword(password:string):boolean;}exportconstuserSchema:Schema=newSch

我目前正在尝试向我的mongoose架构添加一个静态方法，但我找不到它不能以这种方式工作的原因。我的模特:import*asbcryptfrom'bcryptjs';import{Document,Schema,Model,model}from'mongoose';import{IUser}from'../interfaces/IUser';exportinterfaceIUserModelextendsIUser,Document{comparePassword(password:string):boolean;}exportconstuserSchema:Schema=newSch

我正在尝试运行Ionic2应用程序。我在运行ionicserve时遇到以下错误builddevfailed:Cannotsetproperty'fileSystem'ofnull完整的日志如下:λionicserve>ionic-hello-world@ionic:serveD:\ionic>ionic-app-scriptsserve[18:11:23]ionic-app-scripts0.0.47[18:11:24]watchstarted...[18:11:24]builddevstarted...[18:11:24]cleanstarted...[18:11:24]cleanf

我正在尝试运行Ionic2应用程序。我在运行ionicserve时遇到以下错误builddevfailed:Cannotsetproperty'fileSystem'ofnull完整的日志如下:λionicserve>ionic-hello-world@ionic:serveD:\ionic>ionic-app-scriptsserve[18:11:23]ionic-app-scripts0.0.47[18:11:24]watchstarted...[18:11:24]builddevstarted...[18:11:24]cleanstarted...[18:11:24]cleanf

我刚刚升级到Babel7(从6开始)通过运行以下命令:npmremovebabel-clinpminstall--save-dev@babel/cli@babel/core@babel/preset-env这是我的.babelrc文件:{"presets":["env"]}然后我跑了:babeljs/src--out-dirjs/dist结果是:TypeError:Cannotreadproperty'bindings'ofnullatScope.moveBindingTo(/xyz/node_modules/@babel/traverse/lib/scope/index.js:867

我刚刚升级到Babel7(从6开始)通过运行以下命令:npmremovebabel-clinpminstall--save-dev@babel/cli@babel/core@babel/preset-env这是我的.babelrc文件:{"presets":["env"]}然后我跑了:babeljs/src--out-dirjs/dist结果是:TypeError:Cannotreadproperty'bindings'ofnullatScope.moveBindingTo(/xyz/node_modules/@babel/traverse/lib/scope/index.js:867