Javascript 角度2类型错误:无法读取属性';简介';零误差
我有angular 2项目,在更新@angular/cli、webpack和typescript版本后,我得到了这个错误,令人困惑的是,我只在angular 2项目中得到了错误,另一个项目工作得非常好。我在下面分享error和package.json。我已在全球和本地更新angular cli。版本或版本有问题吗Javascript 角度2类型错误:无法读取属性';简介';零误差,javascript,angular,typescript,webpack,angular-cli,Javascript,Angular,Typescript,Webpack,Angular Cli,我有angular 2项目,在更新@angular/cli、webpack和typescript版本后,我得到了这个错误,令人困惑的是,我只在angular 2项目中得到了错误,另一个项目工作得非常好。我在下面分享error和package.json。我已在全球和本地更新angular cli。版本或版本有问题吗 \node_modules\@angular\cli\node_modules\webpack\lib\Compilation.js:329
\node_modules\@angular\cli\node_modules\webpack\lib\Compilation.js:329
if(_this.profile) {
^
TypeError: Cannot read property 'profile' of null
package.json
{
"name": "crm-ca",
"version": "0.0.0",
"license": "MIT",
"angular-cli": {},
"scripts": {
"start": "ng serve",
"lint": "tslint \"src/**/*.ts\"",
"test": "ng test",
"pree2e": "webdriver-manager update",
"e2e": "protractor"
},
"private": true,
"dependencies": {
"@angular/common": "^2.3.1",
"@angular/compiler": "^2.3.1",
"@angular/core": "^2.3.1",
"@angular/forms": "^2.3.1",
"@angular/http": "^2.3.1",
"@angular/platform-browser": "^2.3.1",
"@angular/platform-browser-dynamic": "^2.3.1",
"@angular/router": "^3.3.1",
"angular2-cookie": "^1.2.5",
"angular2-text-mask": "^2.1.0",
"bootstrap": "^4.0.0-alpha.3",
"core-js": "^2.4.1",
"rxjs": "^5.0.1",
"ts-helpers": "^1.1.1",
"zone.js": "^0.7.2"
},
"devDependencies": {
"@angular/cli": "^1.0.0",
"@angular/compiler-cli": "^2.3.1",
"@types/bootstrap": "^3.3.32",
"@types/jasmine": "2.5.38",
"@types/jquery": "^2.0.40",
"@types/node": "^6.0.42",
"codelyzer": "~2.0.0-beta.1",
"jasmine-core": "2.5.2",
"jasmine-spec-reporter": "2.5.0",
"karma": "1.2.0",
"karma-chrome-launcher": "^2.0.0",
"karma-cli": "^1.0.1",
"karma-jasmine": "^1.0.2",
"karma-remap-istanbul": "^0.2.1",
"protractor": "~4.0.13",
"ts-node": "1.2.1",
"tslint": "^4.0.2",
"typescript": "^2.2.2",
"webpack": "^2.2.0",
"webpack-dev-server": "^2.1.0-beta.9"
}
}
我建议从
包.json中删除webpack
和webpack dev server
angularcli
使用自己版本的webpack
,它与包.json中的内容冲突。我遇到了这个问题,这就是对我有效的解决方案。我发现了以下问题,它对我有效:
npm uninstall --save-dev webpack
sudo rm -R node_modules
npm install
您是否尝试删除node_modules文件夹并再次执行npm安装?昨天大约10次)为什么需要webpack?尝试将其从package.json中删除,angular cli使用其自己的版本i将其删除并删除节点_模块,然后重新安装npm,现在我收到以下错误:模块构建失败:TypeError:无法读取Promise.resolve.then.then处未定义的属性“forEach”。然后通过降级cli version@Raichel解决了此问题