npm i snappin

$ snappin

    Usage
        $ snappin --time 30s localhost:3000
        
    Options
        --time,  -t  Interval between captures
        --dir,   -d  Directory to save captures to (./snaps)
        --wait,  -w  Delay initial snap by a specified time (5s)
        --level, -l  Logging level (info)
        --delay, -y  Delay capture after page load (1s)
        --res,   -r  Viewport resolution (1366x768)