我必须安装node和npm。在安装之前,我做了一些搜索安装这些东西的最佳方法。我找到的是:
nvm
node
nvm
nvm alias default
,以便默认情况下node
可用。npm
时,您还会获得node
。HOME
内的某个路径,以便在使用npm
安装全局范围包时,您不必使用sudo。npm
作为全局模块再次安装npm
。bin
添加到我们的$PATH
环境变量但在执行此操作后npm
无效。它给出了以下错误:
$ npm install -g yo
> spawn-sync@1.0.13 postinstall /Users/aapa/.node_modules_global/lib/node_modules/yo/node_modules/cross-spawn/node_modules/spawn-sync
> node postinstall
/Users/aapa/.node_modules_global/bin/yo -> /Users/aapa/.node_modules_global/lib/node_modules/yo/lib/cli.js
> yo@1.4.7 postinstall /Users/aapa/.node_modules_global/lib/node_modules/yo
> yodoctor
sh: yodoctor: command not found
npm ERR! Darwin 14.3.0
npm ERR! argv "node" "/Users/aapa/.node_modules_global/bin/npm" "install" "-g" "yo"
npm ERR! node v0.12.7
npm ERR! npm v2.14.1
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn
npm ERR! yo@1.4.7 postinstall: `yodoctor`
npm ERR! spawn ENOENT
npm ERR!
npm ERR! Failed at the yo@1.4.7 postinstall script 'yodoctor'.
npm ERR! This is most likely a problem with the yo package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! yodoctor
npm ERR! You can get their info via:
npm ERR! npm owner ls yo
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /Users/aapa/npm-debug.log
以下是我运行的所有实际命令:
#1. Install nvm
$curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.26.1/install.sh | bash
#2. Install node using nvm
$nvm install node
# This will install the latest stable version of node. Here `node` is an alias to stable
#node -> stable (-> v0.12.7) (default)
#stable -> 0.12 (-> v0.12.7) (default)
#3. Set the nvm alias default so that the node will be available by default.
$nvm alias default node
#4. You will also get npm while installing node.
$ which npm
/Users/aapa/.nvm/versions/node/v0.12.7/bin/npm
#5. Change the global modules directory to some path inside your HOME so that while installing global scoped packages using npm you don't have to use sudo.
$ npm config get prefix
/Users/aapa/.nvm/versions/node/v0.12.7
$ cd && mkdir .node_modules_global
$ npm config set prefix=$HOME/.node_modules_global
$ npm config get prefix
/Users/aapa/.node_modules_global
$ cat .npmrc
prefix=/Users/aapa/.node_modules_global
#6. Install npm again using npm as a global module.
$ npm install npm --global
/Users/aapa/.node_modules_global/bin/npm -> /Users/aapa/.node_modules_global/lib/node_modules/npm/bin/npm-cli.js
npm@2.14.1 /Users/aapa/.node_modules_global/lib/node_modules/npm
#7. Add new global module directory's `bin` to our `$PATH` environment variable
$ echo -e '\n\n#adding npm global module location to path\nexport PATH="$HOME/.node_modules_global/bin:$PATH"' >> ~/.bash_profile
$ source ~/.bash_profile
# check
$ which npm
/Users/aapa/.node_modules_global/bin/npm
网上还有一些其他相关资源:
sudo
。.bashrc
而我使用了.bash_profile
。我不确定我做错了什么。有什么想法吗?
答案 0 :(得分:0)
我认为最好和最简单的方法是从网站上下载节点:nodejs.org并安装它。
打开cmd之后,从那里转到下载nodejs文件夹并输入
npm install package-name
如果要全局安装,请使用-g like
npm install package-name -g
答案 1 :(得分:0)
最简单的解决方案是不要执行第5,6和7步。
缺点是你必须为你正在使用的每个节点版本单独安装全局变量,但听起来你不经常切换版本。