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angular - 更新 cli 版本后创建新的 Angular 项目时出错

问题描述

我在我的 Mac 中安装了 Angular cli 6.*，我想将此版本更新为 8.*，然后ng new app返回错误。

终端 ：

...
CREATE timelines/e2e/src/app.po.ts (251 bytes)
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: timelines@0.0.0
npm ERR! Found: jasmine-core@3.4.0
npm ERR! node_modules/jasmine-core
npm ERR!   dev jasmine-core@"~3.4.0" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer jasmine-core@">=3.5" from karma-jasmine-html-reporter@1.5.4
npm ERR! node_modules/karma-jasmine-html-reporter
npm ERR!   dev karma-jasmine-html-reporter@"^1.4.0" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! See /Users/tarek/.npm/eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/tarek/.npm/_logs/2021-04-30T10_18_04_291Z-debug.log
Package install failed, see above.

我试图删除与 Angular、npm、angular cli 等相关的所有内容......并重新安装它们，但错误仍然存​​在

package.json 文件：

{
  "name": "timelines",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "~8.2.0",
    "@angular/common": "~8.2.0",
    "@angular/compiler": "~8.2.0",
    "@angular/core": "~8.2.0",
    "@angular/forms": "~8.2.0",
    "@angular/platform-browser": "~8.2.0",
    "@angular/platform-browser-dynamic": "~8.2.0",
    "@angular/router": "~8.2.0",
    "rxjs": "~6.4.0",
    "tslib": "^1.10.0",
    "zone.js": "~0.9.1"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "~0.802.2",
    "@angular/cli": "~8.2.2",
    "@angular/compiler-cli": "~8.2.0",
    "@angular/language-service": "~8.2.0",
    "@types/node": "~8.9.4",
    "@types/jasmine": "~3.3.8",
    "@types/jasminewd2": "~2.0.3",
    "codelyzer": "^5.0.0",
    "jasmine-core": "~3.4.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~4.1.0",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "~2.0.1",
    "karma-jasmine": "~2.0.1",
    "karma-jasmine-html-reporter": "^1.4.0",
    "protractor": "~5.4.0",
    "ts-node": "~7.0.0",
    "tslint": "~5.15.0",
    "typescript": "~3.5.3"
  }
}

我无法再创建项目请帮助

标签： angular

解决方案

解决方法：使用 . 创建一个项目ng new my-app --skip-install，转到 app 目录，从中删除所有 jasmine 依赖项package.json并运行npm install. 您将无法运行 npm test，但该项目将构建并运行

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