module.exports.reloader = function(donothing, verbose){

if(donothing) return

var p // process

var k // killed

var d = 0 // delta

var t = 0 // times

var w = {} // file watchers

var a = process.argv

if(a[2] == '-reloader'){

a.splice(2,1)

logreq = 1 // signal require to log files

return

}

global.define = function(){}

function watch(f){

if(w[f]) return

if(verbose) console.log("watching",f)

w[f] = fs.watch(f, function(event){

if(Date.now() - d < 2000) return

console.log("---- "+f+" changed, reloading backend x"+t+" ----")

if(k < 0) return reload()

k = 1

d = Date.now()

p.kill('SIGKILL')

})

}

function reload(){

t++

d = Date.now()

k = 0

var na = [a[1], '-reloader']

na.push.apply(na, a.slice(2))

p = cp.spawn("node", na)

watch(a[1])

p.stdout.on('data', function(d){

process.stdout.write(d)

})

p.stderr.on('data', function(d){

d = d.toString().replace(/<\[<\[(.*?)\]>\]>/g, function(a, f){

watch(f)

return ''

})

process.stderr.write(d)

})

p.on('exit', function(code){

if(k) reload()

else k = -1

})

}

reload()

}

return

}

//RELOADER

if(typeof window != 'undefined' && window.location.origin != 'file://'){

function reloader(){

rtime = Date.now()

var x = new XMLHttpRequest()

x.onreadystatechange = function(){

console.log('reload here', x.readyState)

if(x.readyState != 4) return

if(x.status == 200){

// we can filter on filename

if(typeof define === 'undefined' || !define.reload || !define.reload(x.responseText))

return location.href = location.href

}

setTimeout(reloader, (Date.now() - rtime) < 1000?500:0)

}

x.open('GET', "/_reloader_")

x.send()

}

reloader()

}

//RELOADER