我已经全局安装了 pouchdb-server 并且收到了关于 graceful-fs 的消息:
$ npm install -g pouchdb-server
npm WARN deprecated <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="1d70747374707c697e755d2d332f332c29" rel="noreferrer noopener nofollow">[email protected]</a>: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="a7c0d5c6c4c2c1d2cb8ac1d4e79689958994" rel="noreferrer noopener nofollow">[email protected]</a>: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.
正如消息所述，该包将在 node > 7.0(我使用的)中失败，因此我想知道如何执行升级。
如果我执行:
$ npm ls graceful-fs -g
我看到 graceful-fs 在多个全局包中使用，但唯一使用旧版本的是 `pouchdb-server:
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│ │ └── <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="9dfaeffcfef8fbe8f1b0fbeedda9b3acb3a4" rel="noreferrer noopener nofollow">[email protected]</a>
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我尝试过 npm update -g Graceful-fs 但这不起作用，升级作为全局包依赖项的包的正确方法是什么？
需要明确的是:我不想全局安装 graceful-fs 包；相反，我想升级 pouchdb-server 包使用的 graceful-fs 安装。
最佳答案
您无法自行修复此问题，您需要要求软件包维护者升级其依赖项。
您能做的最好的事情就是运行 npm update -g (又名 npm upgrade -g )以确保所有(在本例中为全局)包都升级到其依赖项规范允许的最新版本的依赖项。在各自的package.json文件。
除此之外，无法升级到依赖项中的更高版本号，除非相关软件包本身被修改为依赖(允许依赖)其依赖包的更新版本。
包设计者指定依赖包之间允许的版本号范围，并且由于 semver (semantic versioning) 的规则，超出该范围通常是不安全的。 .
不幸的是，这意味着长时间没有更新其依赖项的包有被 Node.js/npm 的更改所淘汰的风险。
查看您的具体案例:
pouchdb-server依赖于 "couchdb-harness": "*" ，它指定任何 couchdb-harness版本满足依赖性(这是异常宽松的，可能以牺牲稳健性为代价)。
<强> couchdb-harness是问题，但是:这取决于 "glob": "~3.1.21" ，这意味着它不会安装并与 glob 一起使用。软件包版本高于3.1.x - 请参阅npm's docs on semver version specifications .
(最新的 glob 3.x 包本身依赖于 "minimatch": "~0.2.11" ，这解释了另一个警告，但是，如果 couchdb-harness 将其依赖项更新为最新，则该警告将会消失glob版本。)
关于node.js - 如何在 npm 中升级全局包的依赖项，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/41214381/