First release

node_modules/throttles/priority/index.js

@@ -0,0 +1,31 @@
+module.exports = function (limit) {
+	limit = limit || 1;
+	var qlow=[], idx, qhigh=[], sum=0, wip=0;
+
+	function toAdd(fn, isHigh) {
+		if (fn.__t) {
+			if (isHigh) {
+				idx = qlow.indexOf(fn);
+				// must decrement (increments again)
+				if (!!~idx) qlow.splice(idx, 1).length && sum--;
+			} else return;
+		}
+		fn.__t = 1;
+		(isHigh ? qhigh : qlow).push(fn);
+		sum++ || run(); // initializes if 1st
+	}
+
+	function isDone() {
+		wip--; // make room for next
+		run();
+	}
+
+	function run() {
+		if (wip < limit && sum > 0) {
+			(qhigh.shift() || qlow.shift())();
+			sum--; wip++; // is now WIP
+		}
+	}
+
+	return [toAdd, isDone];
+}