automation

# Define paths
$pathX = "C:\path\to\x"
$pathY = "C:\path\to\y"
$pathZ = "C:\path\to\z"

# Define filenames
$fileName = "w.js"
$backupExtension = ".bk"

# Run 'npm run build' at path X
Write-Output "Running 'npm run build' at $pathX..."
Set-Location $pathX
npm run build

# Check if the file exists in /x/dist
if (Test-Path "$pathX\dist\$fileName") {
    Write-Output "$fileName found in $pathX\dist"

    # Run 'npm run build' at path Y
    Write-Output "Running 'npm run build' at $pathY..."
    Set-Location $pathY
    npm run build

    # Check if the file exists in /y/dist
    if (Test-Path "$pathY\dist\$fileName") {
        Write-Output "$fileName found in $pathY\dist"

        # Define the target file paths
        $targetFile = "$pathZ\dist\$fileName"
        $backupFile = "$targetFile$backupExtension"

        # Check if the backup file already exists and delete it if it does
        if (Test-Path $backupFile) {
            Write-Output "Backup file $backupFile already exists. Deleting..."
            Remove-Item $backupFile
        }

        # Rename the current file to the backup name if it exists
        if (Test-Path $targetFile) {
            Write-Output "Backing up existing $fileName to $fileName$backupExtension..."
            Rename-Item $targetFile $backupFile
        }

        # Copy the file from Y to Z
        Write-Output "Copying $fileName from $pathY\dist to $pathZ\dist..."
        Copy-Item "$pathY\dist\$fileName" $targetFile
    }
    else {
        Write-Output "$fileName not found in $pathY\dist"
    }
}
else {
    Write-Output "$fileName not found in $pathX\dist"
}

# Reset the location to the original path
Set-Location -Path $pwd