nvm.psm1
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#requires -version 5.1 Set-StrictMode -Version Latest $ErrorActionPreference = 'Stop' . "$PSScriptRoot/autocomplete-utils.ps1" function IsMac() { return (Test-Path variable:global:IsMacOS) -and $IsMacOS } function IsLinux() { return (Test-Path variable:global:IsLinux) -and $IsLinux } function IsWindows() { if ($PSVersionTable.PSVersion.Major -lt 6) { # PowerShell less than v6 didn't work on anything other than Windows # This means we can shortcut out here return $true; } return (Test-Path variable:global:IsWindows) -and $IsWindows } function Set-NodeVersion { <# .Synopsis Set the node.js version for the current session .Description Set's the node.js version that was either provided with the -Version parameter, from using the .nvmrc file or the node engines field in package.json in the current working directory. .Parameter Version A semver version range for the node.js version you wish to use. .Parameter Persist If present, this will also set the node.js version to the permanent system path, of the specified scope, which will persist this setting for future powershell sessions and causes this version of node.js to be referenced outside of powershell. .Example C:\PS> Set-NodeVersion Set based on the .nvmrc or package.json engines node field .Example C:\PS> Set-NodeVersion 5.0.1 Set using explicit version .Example C:\PS> Set-NodeVersion ~5.2 Sets to the latest installed patch version of v5.2 .Example C:\PS> Set-NodeVersion ^5 Sets to the latest installed v5 version .Example C:\PS> Set-NodeVersion '>=5.0.0 <7.0.0' Sets to the latest installed version between v5 and v7 .Example C:\PS> Set-NodeVersion v5.0.1 -Persist User Set and persist in permamant system path for the current user .Example C:\PS> Set-NodeVersion v5.0.1 -Persist Machine Set and persist in permamant system path for the machine (Note: requires an admin shell) .Link https://github.com/aaronpowell/ps-nvm/blob/master/.docs/reference.md/blob/master/.docs/reference.md#set-nodeversion #> param( [string] [Parameter(Mandatory = $false)] $Version, [string] [ValidateSet('User', 'Machine')] [Parameter(Mandatory = $false)] $Persist ) if ([string]::IsNullOrEmpty($Version)) { if (Test-Path ./.nvmrc) { $Version = Get-Content ./.nvmrc -Raw } elseif (Test-Path ./package.json) { $packageJson = Get-Content ./package.json -Raw | ConvertFrom-Json if ((Get-Member -InputObject $packageJson -Name 'engines') -and (Get-Member -InputObject $packageJson.engines -Name 'node')) { # Use node engine field as version range $Version = $packageJson.engines.node } else { throw "Version not given, no .nvmrc found in folder and package.json does not contain node engines field" } } else { throw "Version not given and no .nvmrc or package.json found in folder" } } $Version = $Version.Trim() $matchedVersion = if (!($Version -match "v\d+\.\d+\.\d+")) { Get-NodeVersions -Filter $Version | Select-Object -First 1 } else { $Version } if (!$matchedVersion) { throw "No version found that matches $Version" } $nvmPath = Get-NodeInstallLocation $requestedVersion = Join-Path $nvmPath $matchedVersion $binPath = if ((IsMac) -or (IsLinux)) { # Under macOS, the node binary is in a bin folder Join-Path $requestedVersion "bin" } else { $requestedVersion } # If the requested version is already reachable (and first priority in the PATH), # return early to not clutter the PATH with duplicate entries # and only log "switched ..." when the version was actually switched. # This makes it save to put Set-NodeVersion in the prompt function try { if ((Get-Command node -CommandType Application -ErrorAction SilentlyContinue).Source -eq (Join-Path $binPath 'node')) { Write-Verbose "Version $requestedVersion already set" return } } catch { # node is not in PATH yet, ignore } # separator $separator = [System.IO.Path]::PathSeparator # get PATH entries without nvm-install paths $nonNvmPath = ($env:PATH -split $separator | Where-Object { -not $_.StartsWith($nvmPath) }) -join $separator # immediately add to the current powershell session path # NOTE: it's important to use uppercase PATH for Unix systems as env vars # are case-sensitive on Unix but case-insensitive on Windows $env:PATH = @($binPath, $nonNvmPath) -join $separator $env:NPM_CONFIG_GLOBALCONFIG=(Join-Path $binPath npmrc) # make the path persistent (only on windows) if ($Persist -ne '') { if (-not ((IsMac) -or (IsLinux))) { $originalPath = [Environment]::GetEnvironmentVariable('PATH', $Persist) $cleanedPath = ($originalPath -split $separator | Where-Object { -not $_.StartsWith($nvmPath) }) -join $separator [Environment]::SetEnvironmentVariable('PATH', (@($binPath, $cleanedPath) -join $separator), $Persist) [Environment]::SetEnvironmentVariable('NPM_CONFIG_GLOBALCONFIG', (Join-Path $binPath npmrc), $Persist) } else { # ignore this request on linux and mac } } Write-Information "Switched to node version $matchedVersion" } function Install-NodeVersion { <# .Synopsis Install a version of node.js .Description Download and install the specified version of node.js into the nvm directory. Once installed it can be used with Set-NodeVersion .Parameter Version A semver range for the version of node.js to install .Parameter Force Reinstall an already installed version of node.js .Parameter Architecture The architecture of node.js to install, defaults to [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture .Parameter Proxy Define HTTP proxy used when downloading an installer .Example C:\PS> Install-NodeVersion v5.0.0 Install version 5.0.0 of node.js into the module directory .Example C:\PS> Install-NodeVersion ^5 Install the latest 5.x.x version of node.js into the module directory .Example C:\PS> Install-NodeVersion v5.0.0 -Architecture x86 Installs the x86 version even if you're on an x64 machine .Example C:\PS> Install-NodeVersion v5.0.0 -Architecture x86 -proxy http://localhost:3128 Installs the x86 version even if you're on an x64 machine using default CNTLM proxy .Link https://github.com/aaronpowell/ps-nvm/blob/master/.docs/reference.md#install-nodeversion #> param( [string] [Parameter(Mandatory = $false)] $Version, [switch] $Force, [string] [ValidateSet('Arm', 'Arm64', 'X64', 'X86', 'AMD64')] $Architecture, [string] $Proxy ) if ([string]::IsNullOrEmpty($Version)) { if (Test-Path ./.nvmrc) { $Version = Get-Content ./.nvmrc -Raw } elseif (Test-Path ./package.json) { $packageJson = Get-Content ./package.json -Raw | ConvertFrom-Json if ((Get-Member -InputObject $packageJson -Name 'engines') -and (Get-Member -InputObject $packageJson.engines -Name 'node')) { # Use node engine field as version range $Version = $packageJson.engines.node } else { throw "Version not given, no .nvmrc found in folder and package.json does not contain node engines field" } } else { throw "Version not given and no .nvmrc or package.json found in folder" } } $Version = $Version.Trim() if ([string]::IsNullOrEmpty($Architecture)) { if (IsWindows) { $Architecture = $env:PROCESSOR_ARCHITECTURE } else { $Architecture = [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture } } $Architecture = $Architecture.ToLower() if ($version -match "latest") { $listing = "https://nodejs.org/dist/latest/" $r = (Invoke-WebRequest -UseBasicParsing $listing).content if ($r -match "node-(v[0-9\.]+)") { $version = $matches[1] } else { throw "failed to retrieve latest version from '$listing'" } } $matchedVersion = Get-NodeVersions -Filter $version -Remote | Select-Object -First 1 $nvmPath = Get-NodeInstallLocation $versionPath = Join-Path $nvmPath $matchedVersion if ((Test-Path -Path $versionPath)) { if ($Force) { Remove-Item -Recurse -Force $versionPath } else { throw "Version $matchedVersion is already installed, use -Force to reinstall" } } New-Item $versionPath -ItemType 'Directory' | Out-Null if (IsMac) { # Download .tar.gz for macOS $file = "node-$matchedVersion-darwin-$architecture.tar.gz" $nodeUrl = "https://nodejs.org/dist/$matchedVersion/$file" } elseif (IsWindows) { $file = "node-$matchedVersion-x86.msi" $nodeUrl = "https://nodejs.org/dist/$matchedVersion/$file" if ($architecture -eq 'amd64') { $file = "node-$matchedVersion-x64.msi" if ($matchedVersion -match '^v0\.\d+\.\d+$') { $nodeUrl = "https://nodejs.org/dist/$matchedVersion/x64/$file" } else { $nodeUrl = "https://nodejs.org/dist/$matchedVersion/$file" } } } elseif (IsLinux) { $file = "node-$matchedVersion-linux-$architecture.tar.gz" $nodeUrl = "https://nodejs.org/dist/$matchedVersion/$file" } else { throw "Unsupported OS Platform: $([System.Runtime.InteropServices.RuntimeInformation]::OSDescription)" } $outFile = Join-Path $versionPath $file Write-Host "Downloading $nodeUrl" if ($Proxy) { Invoke-WebRequest -Uri $nodeUrl -OutFile $outFile -Proxy $Proxy -UseBasicParsing } else { Invoke-WebRequest -Uri $nodeUrl -OutFile $outFile -UseBasicParsing } $unpackPath = Join-Path $versionPath '.u' New-Item $unpackPath -ItemType Directory | Out-Null if ((IsMac) -or (IsLinux)) { # Extract .tar.gz tar -zxf $outFile --directory $unpackPath --strip=1 Remove-Item -Force $outFile Move-Item (Join-Path $unpackPath '*') -Destination $versionPath -Force } elseif (IsWindows) { if (-Not (Get-Command msiexec)) { throw "msiexec is not in your path" } $args = @("/a", "`"$outFile`"", "/qb", "TARGETDIR=`"$unpackPath`"", '/quiet') Start-Process -FilePath "msiexec.exe" -Wait -PassThru -ArgumentList $args Move-Item (Join-Path (Join-Path $unpackPath 'nodejs') '*') -Destination $versionPath -Force } Set-Content -Value "prefix=$versionPath" -Path (Join-Path $versionPath npmrc) Remove-Item $unpackPath -Recurse -Force } function Remove-NodeVersion { <# .Synopsis Removes an installed version of node.js .Description Removes an installed version of node.js along with any installed npm modules .Parameter Version The full version string of the node.js package to remove .Example C:\PS> Remove-NodeVersion v5.0.0 Removes the v5.0.0 version of node.js from the nvm store .Link https://github.com/aaronpowell/ps-nvm/blob/master/.docs/reference.md#get-nodeversion #> param( [string] [Parameter(Mandatory = $true)] [ValidatePattern('^v\d+\.\d+\.\d+$')] $Version ) $nvmPath = Get-NodeInstallLocation $requestedVersion = Join-Path $nvmPath $Version if (!(Test-Path -Path $requestedVersion)) { throw "Could not find node version $Version" } Remove-Item $requestedVersion -Force -Recurse } function Get-NodeVersions { <# .Synopsis List local or remote node.js versions .Description Used to show all the node.js versions installed to nvm, using the -Remote option allows you to list versions of node.js available for install. Providing a -Filter parameter can filter the versions using the pattern, either local or remote versions. The versions are sorted from highest to lowest and can be compared with PowerShell operators. .Parameter Remote Indicate whether or not to list local or remote versions .Parameter Filter A semver version range to filter versions .Example C:\PS> Get-NodeVersions -Remote -Filter ">=7.0.0 <9.0.0" Show all versions available to download between v7 and v9 .Example C:\PS> Get-NodeVersions -Filter '>=7.0.0 <9.0.0' Return the installed versions as strings .Example C:\PS>(Get-NodeVersions | Select-Object -First 1) -lt (Get-NodeVersions -Remote | Select-Object -First 1) .Link https://github.com/aaronpowell/ps-nvm/blob/master/.docs/reference.md#get-nodeversion #> param( [switch] $Remote, [string] [Parameter(Mandatory = $false)] $Filter ) $range = [SemVer.Range]::new($Filter) $versions = if ($Remote) { Invoke-WebRequest -UseBasicParsing -Uri https://nodejs.org/dist/index.json | ConvertFrom-Json | ForEach-Object { $_.version } | ForEach-Object { [SemVer.Version]::new($_, $true) } } else { $nvmPath = Get-NodeInstallLocation if (Test-Path -Path $nvmPath) { Get-ChildItem $nvmPath | ForEach-Object { [SemVer.Version]::new($_.Name, $true) } } } $versions | Where-Object { $range.IsSatisfied($_) } | Sort-Object -Descending -Property Major, Minor, Patch, PreRelease, Build } function Set-NodeInstallLocation { <# .Synopsis Sets the path where node.js versions will be installed into .Description This is used to override the default node.js install path for nvm, which is relative to the module install location. You would want to use this to get around the Windows path limit problem that plagues node.js installed. Note that to avoid collisions the unpacked files will be in a folder `.nvm\<version>` in the specified location. .Parameter Path The root folder for nvm .Example C:\PS> Set-NodeInstallLocation -Path C:\Temp #> param( [string] [Parameter(Mandatory = $true)] $Path ) $settings = $null $settingsFile = Join-Path $PSScriptRoot 'settings.json' if ((Test-Path $settingsFile) -eq $true) { $settings = Get-Content $settingsFile | ConvertFrom-Json } else { $settings = @{ 'InstallPath' = Get-NodeInstallLocation } } $settings.InstallPath = Join-Path $Path '.nvm' ConvertTo-Json $settings | Out-File (Join-Path $PSScriptRoot 'settings.json') } function Get-NodeInstallLocation { <# .Synopsis Gets the currnet node.js install path .Description Will return the path that node.js versions will be installed into .Link https://github.com/aaronpowell/ps-nvm/blob/master/.docs/reference.md#get-nodeinstalllocation #> $settings = $null $settingsFile = Join-Path $PSScriptRoot 'settings.json' if ((Test-Path $settingsFile) -eq $true) { $settings = Get-Content $settingsFile | ConvertFrom-Json } else { $settings = New-Object -TypeName PSObject -Prop @{ InstallPath = (Join-Path $PSScriptRoot 'vs') } } $settings.InstallPath } |