我在运行 ng new 命令时遇到错误
在 ng new Project-Name-Here 期间触发以下错误
无法解决依赖关系：
错误同级 jasmine-core@">=3.7.1" 来自[电子邮件受保护] /cdn-cgi/l/email-protection
silly fetch manifest jasmine-core@>=3.7.1
83 timing idealTree Completed in 8839ms
84 timing command:install Completed in 8849ms
85 verbose stack Error: unable to resolve dependency tree
85 verbose stack at Arborist.[failPeerConflict] (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:1141:25)
85 verbose stack at Arborist.[loadPeerSet] (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:1118:34)
85 verbose stack at async Arborist.[buildDepStep] (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:836:11)
85 verbose stack at async Arborist.buildIdealTree (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\build-ideal-tree.js:209:7)
85 verbose stack at async Promise.all (index 1)
85 verbose stack at async Arborist.reify (C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\arborist\lib\arborist\reify.js:130:5)
85 verbose stack at async install (C:\Program Files\nodejs\node_modules\npm\lib\install.js:38:3)
86 verbose cwd C:\Users\PYH0JFQ\source\Hospital\Patient
87 verbose Windows_NT 10.0.19041
88 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "--quiet"
89 verbose node v15.11.0
90 verbose npm v7.6.0
91 error code ERESOLVE
92 error ERESOLVE unable to resolve dependency tree
93 error
94 error While resolving: [email protected] /cdn-cgi/l/email-protection
94 error Found: [email protected] /cdn-cgi/l/email-protection
94 error node_modules/jasmine-core
94 error dev jasmine-core@"~3.6.0" from the root project
94 error
94 error Could not resolve dependency:
94 error peer jasmine-core@">=3.7.1" from [email protected] /cdn-cgi/l/email-protection
94 error node_modules/karma-jasmine-html-reporter
94 error dev karma-jasmine-html-reporter@"^1.5.0" from the root project
94 error
94 error Fix the upstream dependency conflict, or retry
94 error this command with --force, or --legacy-peer-deps
94 error to accept an incorrect (and potentially broken) dependency resolution.
我最近也遇到了同样的问题，我是从在线讲师那里了解到这一点的。
无论如何，你应该清楚地表达问题
此错误是由 npm 7 问题引起的。 Angular 团队建议目前使用 npm 6。
所以现在将 npm 7 降级到 npm 6
npm install -g npm@6
or
另一种方法是使用 --skipInstall 标志运行 ng new，然后使用 npm install --legacy-peer-deps 安装依赖项。
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