fix open, warn if too fast

gun.js

@@ -306,7 +306,7 @@
 				}
 				ctx.latch = root.hatch; ctx.match = root.hatch = [];
 				var put = msg.put;
-				var DBG = ctx.DBG = msg.DBG, S = +new Date;
+				var DBG = ctx.DBG = msg.DBG, S = +new Date; CT = CT || S;
 				if(put['#'] && put['.']){ /*root && root.on('put', msg);*/ return } // TODO: BUG! This needs to call HAM instead.
 				DBG && (DBG.p = S);
 				ctx['#'] = msg['#'];
@@ -343,6 +343,7 @@
 						if(!valid(val)){ err = ERR+cut(key)+"on"+cut(soul)+"bad "+(typeof val)+cut(val); break }
 						//ctx.all++; //ctx.ack[soul+key] = '';
 						ham(val, key, soul, state, msg);
+						++C; // courtesy count;
 					}
 					if((kl = kl.slice(i)).length){ turn(pop); return }
 					++ni; kl = null; pop(o);
@@ -392,6 +393,8 @@
 				if(!(msg = ctx.msg) || ctx.err || msg.err){ return }
 				msg.out = universe;
 				ctx.root.on('out', msg);
+
+				CF(); // courtesy check;
 			}
 			function ack(msg){ // aggregate ACKs.
 				var id = msg['@'] || '', ctx;
@@ -413,6 +416,7 @@
 			var ERR = "Error: Invalid graph!";
 			var cut = function(s){ return " '"+(''+s).slice(0,9)+"...' " }
 			var L = JSON.stringify, MD = 2147483647, State = Gun.state;
+			var C = 0, CT, CF = function(){if(C>999 && (C/-(CT - (CT = +new Date))>1)){Gun.window && console.log("Warning: You're syncing 1K+ records a second, faster than DOM can update - consider limiting query.");CF=function(){C=0}}};
 
 		}());
 
@@ -1339,7 +1343,7 @@
 		var noop = function(){}
 		var parse = JSON.parseAsync || function(t,cb,r){ var u, d = +new Date; try{ cb(u, JSON.parse(t,r), json.sucks(+new Date - d)) }catch(e){ cb(e) } }
 		var json = JSON.stringifyAsync || function(v,cb,r,s){ var u, d = +new Date; try{ cb(u, JSON.stringify(v,r,s), json.sucks(+new Date - d)) }catch(e){ cb(e) } }
-		json.sucks = function(d){ if(d > 99){ Gun.log("Warning: JSON blocking CPU detected. Add `gun/lib/yson.js` to fix."); json.sucks = noop } }
+		json.sucks = function(d){ if(d > 99){ console.log("Warning: JSON blocking CPU detected. Add `gun/lib/yson.js` to fix."); json.sucks = noop } }
 
 		function Mesh(root){
 			var mesh = function(){};

lib/open.js

@@ -1,7 +1,7 @@
 var Gun = (typeof window !== "undefined")? window.Gun : require('../gun');
 
-window.list = {};
-Gun.chain.open = function(cb, opt, at){ // this is a recursive function!
+Gun.chain.open = function(cb, opt, at, depth){ // this is a recursive function, BEWARE!
+	depth = depth || 1;
 	opt = opt || {}; // init top level options.
 	opt.doc = opt.doc || {};
 	opt.ids = opt.ids || {};
@@ -13,11 +13,7 @@ Gun.chain.open = function(cb, opt, at){ // this is a recursive function!
 		});
 		opt.eve.s = {};
 	}, s:{}}
-	return this.on(function(data, key, ctx, eve){ // subscribe to 1 deeper layer of data!
-		if(opt.meta !== true){
-			//delete data._; // This should be safe now?
-			delete ((data = JSON.parse(JSON.stringify(data||'')))||{})._; // BAD PERFORMANCE BUT TRY ANYWAYS!
-		}
+	return this.on(function(data, key, ctx, eve){ // subscribe to 1 deeper of data!
 		clearTimeout(opt.to); // do not trigger callback if bunch of changes...
 		opt.to = setTimeout(function(){ // but schedule the callback to fire soon!
 			if(!opt.any){ return }
@@ -26,7 +22,7 @@ Gun.chain.open = function(cb, opt, at){ // this is a recursive function!
 				opt.eve.off();
 				opt.any = null;
 			}
-		}, opt.wait || 1);
+		}, opt.wait || 9);
 		opt.at = opt.at || ctx; // opt.at will always be the first context it finds.
 		opt.key = opt.key || key;
 		opt.eve.s[this._.id] = eve; // collect all the events together.
@@ -40,23 +36,23 @@ Gun.chain.open = function(cb, opt, at){ // this is a recursive function!
 		}
 		var tmp = this; // else if a sub-object, CPU schedule loop over properties to do recursion.
 		setTimeout.each(Object.keys(data), function(key, val){
+			if('_' === key && !opt.meta){ return }
 			val = data[key];
 			var doc = at || opt.doc, id; // first pass this becomes the root of open, then at is passed below, and will be the parent for each sub-document/object.
-			if(!doc){ // if no "parent"
-				return;
-			}
+			if(!doc){ return } // if no "parent"
 			if('string' !== typeof (id = Gun.valid(val))){ // if primitive...
 				doc[key] = val;
 				return;
 			}
 			if(opt.ids[id]){ // if we've already seen this sub-object/document
-				list[id] = (list[id] || 0) + 1;
 				doc[key] = opt.ids[id]; // link to itself, our already in-memory one, not a new copy.
 				return;
 			}
-			// now open up the recursion of sub-documents!
-			tmp.get(key).open(opt.any, opt, opt.ids[id] = doc[key] = {}); // 3rd param is now where we are "at".
+			if(opt.depth <= depth){ // stop recursive open at max depth.
+				doc[key] = doc[key] || val; // show link so app can load it if need.
+				return;
+			} // now open up the recursion of sub-documents!
+			tmp.get(key).open(opt.any, opt, opt.ids[id] = doc[key] = {}, depth+1); // 3rd param is now where we are "at".
 		});
 	})
 }
-GUN.C = 0;