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nodejs and npm

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Installation on CentOS 7​

curl -sL https://rpm.nodesource.com/setup_12.x | sudo bash -
sudo yum install nodejs
node --version

Installation via NVM​

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
nvm --version.  # restart terminal
nvm install node

nvm install --lts
nvm install 8.12.0
nvm ls
nvm use 10.13.0
nvm alias default 10.13.0
nvm ls-remote

Mirrors​

npm config set registry https://registry.npm.taobao.org # or
npm install -g cnpm --registry=https://registry.npm.taobao.org

or via alias:

alias cnpm="npm --registry=https://registry.npm.taobao.org \
--cache=$HOME/.npm/.cache/cnpm \
--disturl=https://npm.taobao.org/dist \
--userconfig=$HOME/.cnpmrc"

# Or alias it in .bashrc or .zshrc
$ echo '\n#alias for cnpm\nalias cnpm="npm --registry=https://registry.npm.taobao.org \
  --cache=$HOME/.npm/.cache/cnpm \
  --disturl=https://npm.taobao.org/dist \
  --userconfig=$HOME/.cnpmrc"' >> ~/.zshrc && source ~/.zshrc

Install development tools​

To be able to build native modules from npm we will need to install the development tools and libraries:

sudo yum install gcc-c++ make

NPM commands​

npm start --prefix subapp   # run `start` in subapp folder

# publish your package to npmjs
npm adduser
npm publish

Test package locally​

Run the following commands to generate a package.

npm run build
npm pack --pack-destination ~    # it will pack all files under `files` section in package.json file

Above will output a file.

~/your-package-1.0.0.tgz

Install this package on your other project.

"dependencies": {
  "your-package": "file:~/your-package-1.0.0.tgz"
}

and then install.

npm install

Alternatively, you can use the following way to debug in real-time.

cd ~/your-pkg-source
npm link // creates global link

cd ~/your-work
npm link your-pkg

You may also shortcut the two steps in one. For example, to do the above use-case in a shorter way:

cd ~/projects/your-project  # go into the dir of your main project
npm link ../your-pkg-dir     # link the dir of your dependency

Update all package versions​

npm install -g npm-check-updates   # global to install the tool
ncu  # check updates
ncu -u  # update the versions for all packages in package.json file
npm install