npm warn deprecated har-validator@5.1.5: this library is no longer supported npm warn deprecated uuid@3.4.0: please upgrade to version 7 or higher. older versions may use math.random() in certain circumstances, which is known to be problematic. see https://v8.dev/blog/math-random for details. npm warn deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142

这些警告信息是关于一些npm包的版本已经过时，不再受支持，需要升级到新版本。其中har-validator@5.1.5、uuid@3.4.和request@2.88.2都已经被官方声明为过时的版本，建议升级到新版本以避免可能存在的问题。具体升级方法可以参考官方文档或者相关社区讨论。

相关问题

npm WARN deprecated har-validator@5.1.5: this library is no longer supported

这个警告是说你正在使用的 har-validator 库已经不被支持了，可能存在某些问题或者不兼容的情况。建议你更新你的项目依赖，或者替换成其他可用的库。你可以通过运行 `npm install har-validator@latest` 命令来安装最新版本的 har-validator 库，也可以使用其他替代库来解决这个问题。

npm WARN deprecated vue-cli@2.9.6: This package has been deprecated in favour of @vue/cli npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142 npm WARN deprecated coffee-script@1.12.7: CoffeeScript on NPM has moved to "coffeescript" (no hyphen) npm WARN deprecated har-validator@5.1.5: this library is no longer supported npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details. /usr/local/bin/vue-list -> /usr/local/lib/node_modules/vue-cli/bin/vue-list /usr/local/bin/vue-init -> /usr/local/lib/node_modules/vue-cli/bin/vue-init npm ERR! code EEXIST npm ERR! syscall symlink npm ERR! path ../lib/node_modules/vue-cli/bin/vue npm ERR! dest /usr/local/bin/vue npm ERR! errno -17 npm ERR! EEXIST: file already exists, symlink '../lib/node_modules/vue-cli/bin/vue' -> '/usr/local/bin/vue' npm ERR! File exists: /usr/local/bin/vue npm ERR! Remove the existing file and try again, or run npm npm ERR! with --force to overwrite files recklessly. npm ERR! A complete log of this run can be found in: npm ERR! /Users/qshd/.npm/_logs/2023-05-04T13_10_42_127Z-debug.log

这段信息主要是在安装 Vue CLI 时出现的警告和错误信息。其中，警告信息提示你使用了已经被废弃的 vue-cli 包，建议你使用 @vue/cli 包；另外，还提示了其他几个包的废弃信息。错误信息则是指在安装时出现了文件重复的问题，需要你手动删除重复文件或者使用 --force 参数来强制覆盖。如果你遇到了这些问题，可以根据提示来解决。