function _compalias() {
    local name val valarr fn
    name="${COMP_WORDS[0]}"
    val="${BASH_ALIASES[$name]}"

    [ -z "$val" ] && return 1
    read -ra valarr <<< "$val"
    COMP_WORDS=("${valarr[@]}" "${COMP_WORDS[@]:1}")
    COMP_LINE="${COMP_LINE//$name/$val}"
    COMP_CWORD="$((${#COMP_WORDS[@]} - 1))"
    COMP_POINT="${#COMP_LINE}"
    fn="$(complete -p "${COMP_WORDS[0]}" | grep -Po -- '-F\s+\K\w+')"
    "$fn" "${COMP_WORDS[0]}" "${COMP_WORDS[-1]}" "${COMP_WORDS[-2]}"
}

function compalias() {
    alias "$@"
    complete -o nospace -F _compalias "${@%%=*}"
}