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角度启动错误 npm ERR! 代码生命周期

[英]Angular boot error npm ERR! code ELIFECYCLE

I have this problem when I want boot Angular project当我想启动 Angular 项目时,我遇到了这个问题

tried install plugins尝试安装插件

{
  "name": "portal-app",
  "version": "0.0.0",
  "license": "MIT",
  "scripts": {
    "ng": "ng",
    "start": "ng serve --proxy-config proxy.config.json",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
 "dependencies": {
    "@angular/animations": "^5.0.0",
    "@angular/common": "^5.0.0",
    "@angular/compiler": "^5.0.0",
    "@angular/core": "^5.0.0",
    "@angular/forms": "^5.0.0",
    "@angular/http": "^5.0.0",
    "@angular/platform-browser": "^5.0.0",
    "@angular/platform-browser-dynamic": "^5.0.0",
    "@angular/router": "^5.0.0",
    "bootstrap": "^3.3.7",
    "core-js": "^2.4.1",
    "rxjs": "^5.5.2",
    "zone.js": "^0.8.14"
  },
  "devDependencies": {
    "@angular/cli": "^1.6.3",
    "@angular/compiler-cli": "^5.0.0",
    "@angular/language-service": "^5.0.0",
    "@types/jasmine": "~2.5.53",
    "@types/jasminewd2": "~2.0.2",
    "@types/node": "~6.0.60",
    "codelyzer": "^4.0.1",
    "jasmine-core": "~2.6.2",
    "jasmine-spec-reporter": "~4.1.0",
    "karma": "~1.7.0",
    "karma-chrome-launcher": "~2.1.1",
    "karma-cli": "~1.0.1",
    "karma-coverage-istanbul-reporter": "^1.2.1",
    "karma-jasmine": "~1.1.0",
    "karma-jasmine-html-reporter": "^0.2.2",
    "protractor": "~5.1.2",
    "ts-node": "~3.2.0",
    "tslint": "~5.7.0",
    "typescript": "~2.4.2"
  }
}

You have to be inside an angular-cli project in order to use the serve command.您必须在 angular-cli 项目中才能使用 serve 命令。

npm ERR! npm 错误! code ELIFECYCLE npm ERR!代码 ELIFECYCLE npm 错误! errno 1 npm ERR! errno 1 npm 错误! portal-app@0.0.0 start: ng serve --proxy-config proxy.config.json npm ERR!门户应用程序@0.0.0 开始: ng serve --proxy-config proxy.config.json npm ERR! Exit status 1 npm ERR!退出状态 1 npm ERR! npm ERR! npm 错误! Failed at the portal-app@0.0.0 start script.在 portal-app@0.0.0 启动脚本中失败。 npm ERR! npm 错误! This is probably not a problem with npm.这可能不是 npm 的问题。 There is likely additional logging output above.上面可能有额外的日志输出。 npm WARN Local package.json exists, but node_modules missing, did you mean to install? npm WARN 本地 package.json 存在,但缺少 node_modules,你的意思是要安装吗?

npm ERR! npm 错误! A complete log of this run can be found in: npm ERR!可以在以下位置找到此运行的完整日志:npm ERR!
C:\Users\User\AppData\Roaming\npm-cache_logs\2019-04-24T06_32_19_277Z-debug.log C:\Users\User\AppData\Roaming\npm-cache_logs\2019-04-24T06_32_19_277Z-debug.log

Process finished with exit code 1进程以退出代码 1 结束

Your error is clear and meaningful : you need to be inside your project to run your command.您的错误很明确且有意义:您需要在项目中运行您的命令。 You'll maybe need to use the change directory command to place your command prompt at the right location before launching your npm scripts.在启动 npm 脚本之前,您可能需要使用更改目录命令将命令提示符放置在正确的位置。

So :所以 :

cd /path/to/projectDirectory
npm start

Should do the trick.应该做的伎俩。

在我的情况下,我在运行 ng test --karma-config=karma.conf.js --code-coverage 时遇到了这种类型的错误,问题的原因是代码中的 console.log 语句

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