Nushell experiment for cross.stream

spawn-xs-test.nu

# Spawn xs serve in a temporary directory, run a closure, then cleanup
export def spawn-xs-test [closure: closure] {
    # Create a temporary directory
    let tmp_dir = (mktemp -d)
    print $"Created temp directory: ($tmp_dir)"
    
    let store_path = ($tmp_dir | path join "store")
    
    try {
        # Create store directory
        mkdir $store_path
        
        # Spawn xs serve in the background
        let job_id = job spawn --tag "xs-test-server" {
            xs serve $store_path
        }
        print $"Started xs serve with job ID: ($job_id)"
        
        $env.XS_ADDR = $store_path
        hide-env XS_CONTEXT
        
        # Give the server a moment to start up
        sleep 50ms
        
        try {
            # Run the provided closure
            do $closure
        } catch { |err|
            print $"Error in closure: ($err.msg)"
        }
        
        # Kill the background job
        job kill $job_id
        print $"Killed xs serve job ($job_id)"
        
        # Give a moment for the job to shut down
        sleep 50ms
        
    } catch { |err|
        print $"Error during setup: ($err.msg)"
    }
    
    # Clean up the temporary directory
    try {
        rm -rf $tmp_dir
        print $"Cleaned up temp directory: ($tmp_dir)"
    } catch { |err|
        print $"Warning: Could not clean up temp directory: ($err.msg)"
    }
}