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Windows CLI - Powershell script to download and switch between different Nodejs versions.
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| # -------------------------------------------- | |
| # Nodejs Version Manager Powershell (nmp) | |
| # v1.0.2 | |
| # Author: Aaron Carneiro <@euaaron> | |
| # Email: nmp@aaroncarneiro.com | |
| # GitHub: https://github.com/euaaron | |
| # This File: https://gist.github.com/euaaron/8b0a2497244b3711e65ad798bdc5873f | |
| # -------------------------------------------- | |
| $nmpVersion = "v1.0.2" | |
| $silentInit = $false | |
| # To install just paste the code below to your Powershell $profile file and run: | |
| # nmp -init -dir "C:\path\to\install" | |
| # If you face Execution Policy error, try uncomment the line below or copy the code and run it on Powershell | |
| # Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope CurrentUser | |
| # Learn more at https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.security/set-executionpolicy?view=powershell-7.3 | |
| # NMP depends on CreateDir and Test-CommandExists functions which are right below. | |
| # These functions are also available for you to use on your Powershell if you want. | |
| # If you don't want them to be exposed, just move them to inside nmp function | |
| function CreateDir { | |
| param( | |
| [string] $Dir = "" | |
| ) | |
| if (-Not $Dir -Contains "*:\") { | |
| $tempDir = $Dir; | |
| $Dir = ([System.Environment]::CurrentDirectory) | |
| $Dir += "\" | |
| $Dir += $tempDir; | |
| } | |
| if (-Not (Test-Path $Dir)) { | |
| $dirPath = $Dir.Split("\"); | |
| $currentPath = "" | |
| $count = 0; | |
| $dirPath | ForEach { | |
| if (-Not ($dirPath[$count] -Eq "") -Or -Not ($dirPath[$count] -Eq "\")) { | |
| $currentPath += $dirPath[$count] | |
| $currentPath += "\" | |
| $currentPath = $currentPath.Replace("\\", "\"); | |
| if (-Not (Test-Path $currentPath) -And -Not ($currentPath -Eq "")) { | |
| mkdir $currentPath | |
| } | |
| } | |
| if (-Not ($dirPath.Length - 1 -Eq $count)) { | |
| $count += 1; | |
| } else { | |
| Write-Host "Directory '$currentPath' has been created suceessfully!" | |
| return; | |
| } | |
| } | |
| } else { | |
| Write-Host "Error! '$dir' already exists!" | |
| } | |
| return; | |
| } | |
| Function Test-CommandExists { | |
| Param ($command, [switch] $silent) | |
| $oldPreference = $ErrorActionPreference | |
| $ErrorActionPreference = 'stop' | |
| $exists = $false; | |
| try { | |
| if(Get-Command $command){ | |
| $exists = $true | |
| if (-Not $silent) { | |
| Write-Host "Command $command exists!" | |
| } | |
| } | |
| } | |
| Catch { | |
| $exists = $false | |
| if (-Not $silent) { | |
| Write-Host "Command $command was not found!" | |
| } | |
| } | |
| $ErrorActionPreference=$oldPreference | |
| return $exists; | |
| } | |
| function nmp { | |
| param( | |
| [string] $change = "", | |
| [string] $arch = "win-x64", | |
| [switch] $force, | |
| [switch] $version, | |
| [switch] $list, | |
| [switch] $remote, | |
| [switch] $help, | |
| [switch] $init, | |
| # Directory to install Nodejs versions | |
| [string] $dir = "C:\Softwares\nodejs\", | |
| # Default Nodejs version to use | |
| [string] $default = "18" | |
| ) | |
| function nInit { | |
| # Creates this directory if not exists | |
| if (-Not (Test-Path $dir)) { | |
| CreateDir -Dir $dir | |
| } | |
| # Directory of Default Node Version | |
| # If you already have Nodejs installed, set this path with your nodejs dir. It might be "C:\Program Files\nodejs\" | |
| $defaultNodeDir = $dir + $default; | |
| # This will change default installed Nodejs version with the new one in the path (also npm and npx that come pre-installed with nodejs) | |
| $systemPath = $env:Path | |
| $systemPath = $systemPath.Replace('C:\Program Files\nodejs\;', $defaultNodeDir + "\;"); | |
| $env:Path = $systemPath; | |
| # If you don't had NodeJs installed previously, remove the three lines above and uncomment the line bellow | |
| # $env:Path += $defaultNodeDir; | |
| } | |
| # This function will switch current terminal to use a different Nodejs version. | |
| # It will first check at $dir, if not found it will try to install directly from nodejs.org. | |
| function nChange { | |
| param ( | |
| [string] $version = '', | |
| [string] $arch = "win-x64", | |
| $force = $false | |
| ) | |
| if ($version -ne '') { | |
| $versionDir = $dir + $version + "\"; | |
| if (-Not (Test-Path $versionDir) -Or $force) { | |
| $remoteNodeVersions = (Invoke-WebRequest -Uri "https://nodejs.org/dist/").Links.Href; | |
| if ($remoteNodeVersions -like "latest-v$version.*") { | |
| $temp = $dir + "temp"; | |
| if (Test-Path $temp) { | |
| rm -r -Force $temp | |
| } | |
| if (Test-Path $versionDir) { | |
| rm -r -Force $versionDir | |
| } | |
| mkdir $temp | |
| $downloadUrl = "https://nodejs.org/dist/latest-v$version.x/"; | |
| (Invoke-WebRequest -Uri $downloadUrl).Links.Href | ForEach { | |
| if ($_ -like "node-v$version.*" -and $_ -like "*-$arch.zip") { | |
| $downloadUrl = $downloadUrl + $_ | |
| } | |
| } | |
| Write-Host "Downloading Nodejs $version from $downloadUrl" | |
| Invoke-WebRequest -Uri $downloadUrl -OutFile "$temp\$version.zip" | |
| Write-Host "Downloaded Nodejs $version to $temp\$version.zip" | |
| Write-Host "Extracting $temp\$version.zip to $versionDir" | |
| Expand-Archive -Path $temp\$version.zip -DestinationPath $versionDir | |
| mv "$versionDir\node-v$version.*\*" $versionDir | |
| rm -r -Force "$versionDir\node-v$version.*" | |
| Write-Host "Removing temp folder." | |
| rm -r -Force $temp | |
| } else { | |
| Throw "Version $version is invalid! Please, run nmp -list -remote to see available versions and run this command again. Ex.: nmp -change 16" | |
| } | |
| } | |
| Write-Host "Setting Nodejs $version the current active version." | |
| $currentVersion = (node -v).Replace('v', '').Split('.')[0] | |
| $replaceVersionDir = $dir + $currentVersion + '\;' | |
| $systemPath = $env:Path | |
| $systemPath = $systemPath.Replace($replaceVersionDir, "$versionDir;"); | |
| $env:Path = $systemPath; | |
| node -v | |
| } else { | |
| $env:Path = $defaultNodeDir; | |
| if (Test-CommandExists -command node -silent) { | |
| node -v | |
| } else { | |
| Write-Host "You need to restart your terminal to see the changes." | |
| } | |
| } | |
| } | |
| # This lists all Nodejs versions that are possible to install by running nChange | |
| function nList { | |
| param ( | |
| [switch] $remote | |
| ) | |
| if ($remote.IsPresent) { | |
| (Invoke-WebRequest -Uri "https://nodejs.org/dist/").Links.Href | ForEach { | |
| if ($_ -like "latest-v*" -and -not ($_ -like "latest-v0*")) { | |
| $version = $_.Replace('latest-', '').Replace('.x/', ''); | |
| Write-Host $version | |
| } | |
| } | |
| Write-Host "These are current available Nodejs versions (latest)" | |
| } else { | |
| ls $dir | |
| } | |
| } | |
| function nVersion { | |
| Write-Host "Nodejs Version Manager Powershell (nmp)" | |
| Write-Host $nmpVersion | |
| Write-Host "---------------------------------------" | |
| if (Test-CommandExists node -silent) { | |
| $nodeV = (node -v) | |
| Write-Host "Node $nodeV" | |
| } else { | |
| Write-Host "Node.js is not installed! Run nmp -help to see how to install Node.js using nmp." | |
| } | |
| } | |
| # Displays all available functions | |
| function nHelp { | |
| Write-Host 'Node Version Manager Powershell - Help' | |
| Write-Host '' | |
| Write-Host '-version | Display current nmp and node versions.' | |
| Write-Host '-list | List all Nodejs versions currently installed.' | |
| Write-Host ' -remote | List all Nodejs versions available to install.' | |
| Write-Host '-change $number | Changes Nodejs version ($number). If not installed, it will download it.' | |
| Write-Host ' Ex. nmp -change 18 will install latest v18, like 18.13.0.' -ForegroundColor Yellow | |
| Write-Host ' -force | Will attempt to override a current version.' | |
| Write-Host ' Usefull to update versions from 18.0.4 to 18.4.1, for example.' -ForegroundColor Yellow | |
| Write-Host ' -arch | Default to "win-x64", can also be "win-x86".' | |
| Write-Host '-help | Display this help page.' | |
| } | |
| if ($help.IsPresent) { | |
| nHelp | |
| } else { | |
| if ($list.IsPresent) { | |
| if (-Not $remote.IsPresent) { | |
| nList | |
| } else { | |
| nList -remote | |
| } | |
| } | |
| if (-Not ($change -Eq "")) { | |
| nChange -version $change -arch $arch -force $force.IsPresent | |
| } | |
| if ($version.IsPresent) { | |
| nVersion | |
| } | |
| if ($init.IsPresent -Or $PSBoundParameters.ContainsKey('dir')) { | |
| try { | |
| nInit | |
| if (-Not $silentInit) { | |
| nVersion | |
| } | |
| } | |
| catch { | |
| Write-host "Could not load nmp, you may need to ajust some configs in your Powershell Profile." | |
| } | |
| } | |
| } | |
| } | |
| nmp -init |
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