function wait_for_devtools

gistfile1.txt

function wait_for_devtools( callback, giveup_after ) {
    giveup_after = giveup_after || 10
    var start = Date.now()
    var timeout
    var triggered = false
    var element = new Image();
    element.__defineGetter__('id', done)

    function done() {
        if (triggered) return ''
        console.log('devtools attached')
        triggered = true
        setTimeout(callback, 1) // its actually still not ready, need to do setTimeout
        return ''
    }

    function checkit() {
        if (triggered) { return }
        console.log('waiting for devtools...',element)
        if (Date.now() - start > giveup_after * 1000) {
            console.log('giving up, just going')
            callback()
        } else {
            timeout = setTimeout( checkit, 200 )
        }
    }
    checkit()
}