Node & NPM Global Updater: Updates NodeJS, NPM and all global Packages to 'latest' in one step

nvm_node_updater.sh

#!/bin/bash

# NVM_NODE_UPDATER
# v2.0.0
#
# Makes keeping NVM-managed, global NodeJS installations up-to-date a breeze.
# First, the global NodeJS installation is updated to 'latest'.
# Second, all global NPM packages are migrated, then also updated to 'latest'.
# Requires the Node Version Manager (https://github.com/creationix/nvm).
# 
nvm_node_updater () {
    # Check for latest NodeJS version
    NODE_VERSION_INSTALLED=$(nvm_ls_current)
    NODE_VERSION_LIST=($(nvm_remote_versions | awk '/^v/'))
    NODE_VERSION_LATEST=${NODE_VERSION_LIST[${#NODE_VERSION_LIST[@]} - 1]}
    
    # Pretty Print
    function PRINT_BLUE () { 
        while read; do
            printf '\e[44m%s\e[0m\n' "[STASH NODE-UPDATE] $REPLY";
        done
    }
    
    if [ "${NODE_VERSION_INSTALLED}" != "${NODE_VERSION_LATEST}" ]
    then
        # Update to latest NodeJS version (migrating all currently installed global NPM packages)
        echo "Updating global NodeJS: ${NODE_VERSION_INSTALLED} to ${NODE_VERSION_LATEST}" | PRINT_BLUE
        nvm install ${NODE_VERSION_LATEST} --reinstall-packages-from=${NODE_VERSION_INSTALLED}
        nvm alias default ${NODE_VERSION_LATEST} && nvm use default
        echo "Updated default NodeJS to ${NODE_VERSION_LATEST}." | PRINT_BLUE
    else
        echo "Global NodeJS installation is up to date:" | PRINT_BLUE
        echo "-> ${NODE_VERSION_INSTALLED}" | PRINT_BLUE
        
    fi
    
    # Check for latest NPM package versions
    NPM_GLOBAL_PACKAGES_LIST=($(npm --global list --parseable --depth=0 --loglevel silent | sed -e 's@.*/@@' | tr '\r\n' ' ' | sed -e 's/lib//g' -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'))
    NPM_GLOBAL_PACKAGES_COUNT=${#NPM_GLOBAL_PACKAGES_LIST[@]}
    NPM_GLOBAL_PACKAGES=$( IFS=' '; echo "${NPM_GLOBAL_PACKAGES_LIST[*]}" )
    NPM_GLOBAL_PACKAGES_OUTDATED_LIST=($(npm --global outdated --parseable --loglevel silent | cut -d: -f3 | cut -f1 -d'@' | tr '\r\n' ' ' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'))
    NPM_GLOBAL_PACKAGES_OUTDATED_COUNT=${#NPM_GLOBAL_PACKAGES_OUTDATED_LIST[@]}
    NPM_GLOBAL_PACKAGES_OUTDATED=$( IFS=' '; echo "${NPM_GLOBAL_PACKAGES_OUTDATED_LIST[*]}" )
     
    if [ -n "$NPM_GLOBAL_PACKAGES_OUTDATED_LIST" ]
    then
        # Update to latest NPM package versions
        echo "Number of global packages requiring update: ${NPM_GLOBAL_PACKAGES_OUTDATED_COUNT}" | PRINT_BLUE
        echo "-> ${NPM_GLOBAL_PACKAGES_OUTDATED}" | PRINT_BLUE
        
        npm --global install --loglevel silent ${NPM_GLOBAL_PACKAGES}
    else
        echo "All ${NPM_GLOBAL_PACKAGES_COUNT} global packages are up to date:" | PRINT_BLUE
        echo ${NPM_GLOBAL_PACKAGES} | PRINT_BLUE
    fi
}

Hi @sidneys, what is touch node_updater.sh supposed to do?

Hi @pensierinmusica, thanks for your comment.

I included this instruction step for commandline-averse users who might need to create a new script file first.
However, in v1.0.0 i omitted this step.