How to install Node.js environment
Use scenario
Generally, you can download the corresponding installation package from the Node.js official website to complete the environment configuration.
However, when you develop on-premises, you often need to quickly update or switch the version.
The community has solutions such as nvm, n, etc. We recommend cross-platform [nvs](https:/ /github.com/jasongin/nvs).
- nvs is cross-platform.
- Nvs is written based on Node, and we can participate in maintenance.
Friendly reminder: both Node 6.x and 8.x will end LTS support this year. please upgrade to 10.x as soon as possible. https://github.com/nodejs/Release
PS:nvs is generally only used for local development. For more information, see Popular text: What should I do if O & M does not upgrade the Node version?
How to install
Linux / macOS environment
The project corresponding to Git Clone can be used.
$ export NVS_HOME="$HOME/.nvs"
$ git clone https://github.com/jasongin/nvs --depth=1 "$NVS_HOME"
$ . "$NVS_HOME/nvs.sh" install
Windows environment
Due to the complexity of Windows environment configuration, it is recommended to use msi file to complete initialization.
Visit nvs/releases to download the latest version of nvs.msi, and then double-click to install.
Configure mirror address
In China, due to reasons that everyone knows, it is necessary to modify the corresponding mirror address:
$ nvs remote node https://npmmirror.com/mirrors/node/
$ nvs remote
default node
chakracore https://github.com/nodejs/node-chakracore/releases/
chakracore-nightly https://nodejs.org/download/chakracore-nightly/
nightly https://nodejs.org/download/nightly/
node https://nodejs.org/dist/
Guidelines for Use
With the following command, you can easily install the latest LTS version of Node.js.
# Install the latest LTS version
$ nvs add lts
# Configure as default version
$ nvs link lts
Install other versions:
# Install other versions and try them
$ nvs add 12
# View installed versions
$ nvs ls
# Switch version at current Shell
$ nvs use 12
For more information, see nvs --help.
Common npm global module
If you use nvs, the default prefix is the installation path of the currently activated Node.js version.
One problem is that after switching versions, the previous installation of the global command module needs to be reinstalled, which is very inconvenient.
The solution is to configure a unified global module installation path to ~/.npm-global, as follows:
$ mkdir -p ~/.npm-global
$ npm config set prefix ~/.npm-global
You must also configure environment variables in the ~/.bashrc or ~/.zshrc file:
$ echo "export PATH=~/.npm-global/bin:$PATH" >> ~/.zshrc
$ source ~/.zshrc