gistfile1.txt

let s:plugin_root_dir  = expand("<sfile>:h")

function JsBeautifySimple () range
    let s:plugin_lib_dir  = s:plugin_root_dir . "/lib/"

    if exists("g:JsBeautifySimple_engine")
        let s:engine = g:JsBeautifySimple_engine
    else
        let s:engine = "node"
    endif

    echo mode()
    return
    if executable(s:engine)
        if mode()=="v"
            echom "vmode"
            execute "'<,'>!". s:engine . " " . fnameescape(s:plugin_lib_dir . "/beautify.js") . " -"
        else
            echom "nvmode"
            execute "%!" . s:engine . " " . fnameescape(s:plugin_lib_dir . "/beautify.js") . " -"
        endif
    else
        " Executable bin doesn't exist
        echoerr('Unable to run ' . s:engine . '.')
        return 1
    endif
endfunction