blocks|key|1150351|text|如果拥有系统范围的npm包是您的主要问题，那么可以考虑在npm中使用非常酷的'bundle‘命令。这更接近于冻结gem或在rails中使用bundler，而不是rvm。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1150352|这非常简单。只需创建一个package.json文件：|1150353|{+"name":+"yourapp",+"version":+"0.0.1",+"dependencies":+{"jade":+"0.4.1"}}|code-block|syntax|javascript|1150354|然后运行：|1150355|npm+bundle+vendor|1150356|或者，如果您的npm版本是>=+1.0，请运行：|1150357|npm+install|1150358|冻结到供应商目录。然后使用：|1150359|require.paths.unshift('./vendor');|1150360|entityMap^0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|10|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|11|8|@]|9|@]|A|$]]|$1|O|3|P|5|F|7|12|8|@]|9|@]|A|$G|H]]|$1|Q|3|R|5|6|7|13|8|@]|9|@]|A|$]]|$1|S|3|T|5|F|7|14|8|@]|9|@]|A|$G|H]]|$1|U|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|V|$]]

If having system wide npm packages is your main issue, then maybe consider using the very cool 'bundle' command with npm. This is closer to freezing gems or using bundler in rails, rather than rvm.

It's super easy. Just create a package.json file:

<pre><code>{ "name": "yourapp", "version": "0.0.1", "dependencies": {"jade": "0.4.1"}}
</code></pre>

and then run:

<pre><code>npm bundle vendor
</code></pre>

or if your npm version is >= 1.0 run:

<pre><code>npm install
</code></pre>

to freeze into the vendor directory. and then use:

<pre><code>require.paths.unshift('./vendor');
</code></pre>

blocks|key|1150471|text|nodeenv+-适用于node.js的虚拟环境(模拟virtualenv+)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1150472|entityMap|0|LINK|mutability|MUTABLE|url|http://pypi.python.org/pypi/nodeenv/|1|http://pypi.python.org/pypi/virtualenv/^0|0|7|0|R|A|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

<a href="http://pypi.python.org/pypi/nodeenv/" rel="noreferrer">nodeenv</a> - virtual environment for node.js ( Analog <a href="http://pypi.python.org/pypi/virtualenv/" rel="noreferrer">virtualenv</a> )

blocks|key|936051|text|还有一些Node版本管理系统可以提供帮助。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|936052|查看Nave+https://github.com/isaacs/nave|offset|length|936053|NVM也可以用于https://github.com/creationix/nvm|936054|还有一个叫做n+https://github.com/visionmedia/n|936055|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/isaacs/nave|1|https://github.com/creationix/nvm|2|https://github.com/visionmedia/n^0|0|7|U|0|0|8|X|1|0|8|W|2|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@$D|X|E|Y|1|Z]]|A|$]]|$1|F|3|G|5|6|7|10|8|@]|9|@$D|11|E|12|1|13]]|A|$]]|$1|H|3|I|5|6|7|14|8|@]|9|@$D|15|E|16|1|17]]|A|$]]|$1|J|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]|R|$5|M|N|O|A|$P|S]]|T|$5|M|N|O|A|$P|U]]]]

There are also some Node version management systems that can help.

Check out Nave <a href="https://github.com/isaacs/nave" rel="noreferrer">https://github.com/isaacs/nave</a>

NVM could also be used <a href="https://github.com/creationix/nvm" rel="noreferrer">https://github.com/creationix/nvm</a>

There is also one called n <a href="https://github.com/visionmedia/n" rel="noreferrer">https://github.com/visionmedia/n</a>

blocks|key|1150601|text|您并不总是需要全局安装依赖项。通常建议这样做，因为这样您就可以使用npm包提供的命令，但是如果您将其安装在本地(在node_modules目录中)，您也可以使用这些命令，它们只会出现在node_modules/.bin/目录中，所以您必须键入node_modules/.bin/<command>，这很烦人，但是您当然可以将以下路径添加到PATH环境变量：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1150602|export+PATH=node_modules/.bin:$PATH|code-block|syntax|javascript|1150603|然后你只需要输入<command>就可以了！|1150604|实际上有一个npm命令，它返回.bin目录的绝对路径：|1150605|$+npm+bin
/path/to/node_modules/.bin|1150606|当您在项目的子目录中时，此命令也有效，它将返回在其父目录中找到的第一个node_modules/.bin目录。|1150607|您可以在.bashrc中添加此别名，以将.bin/目录自动添加到PATH中|1150608|alias+nodebin='export+PATH=$(npm+bin):$PATH'|1150609|因此，当您在根目录中包含node_modules/目录的项目目录中时，可以输入nodebin，然后可以使用.bin/目录中的所有命令！|1150610|entityMap^0|1L|C|2K|I|3D|R|4P|4|0|0|8|9|0|F|4|0|0|Z|H|0|4|7|K|5|W|4|0|0|C|D|13|7|1H|5|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|19|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|1A|8|@$9|1B|A|1C|B|C]]|D|@]|E|$]]|$1|M|3|N|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|O|3|P|5|H|7|1G|8|@]|D|@]|E|$I|J]]|$1|Q|3|R|5|6|7|1H|8|@$9|1I|A|1J|B|C]]|D|@]|E|$]]|$1|S|3|T|5|6|7|1K|8|@$9|1L|A|1M|B|C]|$9|1N|A|1O|B|C]|$9|1P|A|1Q|B|C]]|D|@]|E|$]]|$1|U|3|V|5|H|7|1R|8|@]|D|@]|E|$I|J]]|$1|W|3|X|5|6|7|1S|8|@$9|1T|A|1U|B|C]|$9|1V|A|1W|B|C]|$9|1X|A|1Y|B|C]]|D|@]|E|$]]|$1|Y|3|-4|5|6|7|1Z|8|@]|D|@]|E|$]]]|Z|$]]

You don't always need to install dependencies globally. Usually it's recommended because then you can use the commands an npm packages provides, but if you install it locally (in the <code>node_modules</code>) directory, you can also use these commands, they only wind up in the <code>node_modules/.bin/</code> directory, so you'll have to type <code>node_modules/.bin/&lt;command&gt;</code>, which is annoying, but you can of course add this path to your <code>PATH</code> environment variable:

<pre><code>export PATH=node_modules/.bin:$PATH
</code></pre>

Then you can just type <code>&lt;command&gt;</code> and it works!

There's actually an npm command that returns an absolute path to the <code>.bin</code> directory:

<pre><code>$ npm bin
/path/to/node_modules/.bin
</code></pre>

This command also works when you're in a subdirectory of the project, it will return the first <code>node_modules/.bin</code> directory it finds in it's parent directories.

You can add this alias in your <code>.bashrc</code> to automatically add the <code>.bin/</code> directory to your <code>PATH</code>:

<pre><code>alias nodebin='export PATH=$(npm bin):$PATH'
</code></pre>

So when you're in a directory of a project that has a <code>node_modules/</code> directory in the root, you can type <code>nodebin</code> and then you can use all the commands that are in the <code>.bin/</code> directory!

blocks|key|936182|text|看起来有一个更好的方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|936183|Installing+Node.js+and+npm+into+a+Python+Virtualenv|offset|length|936184|现在我可以在不影响全局bin环境的情况下使用节点工具。|936185|entityMap|0|LINK|mutability|MUTABLE|url|http://lincolnloop.com/blog/installing-nodejs-and-npm-python-virtualenv/^0|0|0|1F|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@$D|R|E|S|1|T]]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

looks there is a better way:

<a href="http://lincolnloop.com/blog/installing-nodejs-and-npm-python-virtualenv/" rel="nofollow">Installing Node.js and npm into a Python Virtualenv</a>

now I can use node tools without mess the global bin environment

blocks|key|1150504|text|如果你喜欢简单，我真的推荐visionmedia的n，再简单不过了！|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1150505|https://github.com/visionmedia/n|1150506|entityMap|0|LINK|mutability|MUTABLE|url|1^0|P|1|0|0|0|W|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|F|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|E]]|M|$5|I|J|K|C|$L|E]]]]

If you like it simple, I truely recommend visionmedia's <a href="https://github.com/visionmedia/n" rel="nofollow">n</a>, could not be easier! 

<a href="https://github.com/visionmedia/n" rel="nofollow">https://github.com/visionmedia/n</a>

blocks|key|936292|text|如here所述，您可以使用miniconda。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|936293|这允许您在单个conda环境中组合python和nodejs，以独立于全局系统完成所有开发工作：|936294|conda+create+--name+my_env+python=3.9+nodejs
conda+activate+my_env

#+optionally,+also+install+yarn
conda+install+-c+conda-forge+yarn

##############################################
#+check+it+works

#+python+related
pip+--version
python+--version

#+nodejs+related
yarn+--version
npm+--version
node+--version

##############################################
#+verify+they're+inside+the+conda+environment

#+python+related
which+pip
which+python

#+nodejs+related
which+yarn
which+npm
which+node|code-block|syntax|javascript|936295|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/51640275/5480536|1|https://docs.conda.io/en/latest/miniconda.html^0|1|4|0|D|9|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]|$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|12|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|13|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]|S|$5|N|O|P|C|$Q|T]]]]

You can use <a href="https://docs.conda.io/en/latest/miniconda.html" rel="nofollow noreferrer">miniconda</a>, as explained <a href="https://stackoverflow.com/a/51640275/5480536">here</a>.
This allows you to combine python &amp; nodejs in a single conda environment to do all your development work isolated from the global system:
<pre class="lang-sh prettyprint-override"><code>conda create --name my_env python=3.9 nodejs
conda activate my_env

# optionally, also install yarn
conda install -c conda-forge yarn

##############################################
# check it works

# python related
pip --version
python --version

# nodejs related
yarn --version
npm --version
node --version

##############################################
# verify they're inside the conda environment

# python related
which pip
which python

# nodejs related
which yarn
which npm
which node
</code></pre>

I've searched the wiki modules page, but I can't find anything similar to virtualenv (python) or rvm. 

Anyone here separates node.js in their own env? I really don't like to install npm system-wide.

Is there a virtual environment for node.js?

我搜索了wiki模块页面，但我找不到任何类似于virtualenv (python)或rvm的东西。这里有人在自己的环境中分离node.js吗？我真的不喜欢在系统范围内安装npm。

问是否有针对node.js的虚拟环境？
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问是否有针对node.js的虚拟环境？
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