Number.ToHexString.pq

let
    /* 255 => 0xff */
    Number_ToHexString = ( num as number, optional options as nullable record) as text =>
        let
            defaults = [
                PadStart = true,
                Prefix = true,
                Columns = 8
            ],
            options = Record.Combine({defaults, options ?? []}),
            prefix = if options[Prefix]? then "0x" else "",
            numString = Number.ToText(num, "x"),

            paddedString =
                if options[PadStart]?
                then Text.PadStart( numString, "0", options[Columns]? ?? 8)
                else numString,

            finalText = prefix & numString
        in
            finalText
in
    Number_ToHexString