function get_hook_types(){
	var j = $(".dev_hook")
	var ret = {}
	var ret = new Map()
	var k,v
	for (k of j){
		v = "."+[...k.classList].join(".")
		ret.setD(v,0)
		// ret.get(v) + 1
		ret.set(v,ret.get(v) + 1)
		// clog("~",k)
	}
	return ret

}