Publish NPM packages to local registry and modify the tarball if it has a custom registry like wombat-dressing-room.appspot.com

Publish-NpmPackages.ps1

# Set the path to the folder containing tarball files
$folderPath = "path/to/folder"

# Get the list of tarball files with .tgz extension in the folder
$tarballFiles = Get-ChildItem -Path $folderPath -File -Recurse -Filter "*.tgz" | Where-Object { !$_.PSIsContainer }

foreach ($tarballFile in $tarballFiles) {
    # Get the directory and base name of the tarball file
    $tarballDirectory = Split-Path -Parent $tarballFile.FullName
    $tarballBaseName = [System.IO.Path]::GetFileNameWithoutExtension($tarballFile.FullName)

    # Set the path for the temporary folder
    $tempFolderPath = Join-Path -Path $tarballDirectory -ChildPath "temp"

    # Create the temporary folder for extracting the tarball contents
    New-Item -ItemType Directory -Path $tempFolderPath | Out-Null

    # Flag to track if modifications were made
    $modificationsMade = $false

    try {
        # Extract the tarball contents to the temporary folder
        tar -xf $tarballFile.FullName -C $tempFolderPath

        # Find all package.json files inside the extracted folder
        $packageJsonFiles = Get-ChildItem -Path $tempFolderPath -Recurse -Filter "package.json" | Where-Object { !$_.PSIsContainer }

        # Iterate over each package.json file
        foreach ($packageJsonFile in $packageJsonFiles) {
            # Load the package.json file as JSON
            $packageJson = Get-Content $packageJsonFile.FullName | ConvertFrom-Json

            # Check if 'publishConfig' exists
            if ($packageJson.publishConfig) {
                # Check if 'registry' exists inside 'publishConfig'
                if ($packageJson.publishConfig.registry) {
                    # Remove the 'registry' key from 'publishConfig'
                    $packageJson.publishConfig.PSObject.Properties.Remove('registry')

                    # Convert the modified package.json back to a string
                    $modifiedPackageJson = $packageJson | ConvertTo-Json -Depth 10

                    # Save the modified package.json file
                    $modifiedPackageJson | Set-Content -Path $packageJsonFile.FullName

                    # Set the modifications flag to true
                    $modificationsMade = $true
                }
            }
        }

        if ($modificationsMade) {
            # Set the path for the modified tarball file
            $modifiedTarballFilePath = Join-Path -Path $tarballDirectory -ChildPath "$tarballBaseName.modified.tgz"

            # Create a new tarball with the modified package.json files
            tar -czf $modifiedTarballFilePath -C $tempFolderPath .

            # Replace the original tarball file with the modified one
            Rename-Item -Path $tarballFile.FullName -NewName ($tarballFile.Name + ".bak")
            Move-Item -Path $modifiedTarballFilePath -Destination $tarballFile.FullName

            # Output the path to the modified tarball file
            Write-Output "Modified tarball file: $tarballFile"

            # Set the tarball file path to the modified one
            $tarballFile = Get-Item $tarballFile.FullName
        }
        else {
            Write-Output "No modifications were made to the package.json in $($tarballFile.Name)."
        }
    }
    finally {
        # Cleanup: Remove the temporary folder
        Remove-Item -Path $tempFolderPath -Recurse -Force
    }

    # Publish the tarball using npm
    Write-Output "Publishing $tarballFile..."
    npm publish $tarballFile.FullName
}