Izmjenjena struktura, dodan backand

web/node_modules/exit-hook/index.js

@@ -0,0 +1,30 @@
+'use strict';
+
+var cbs = [];
+var called = false;
+
+function exit(exit, signal) {
+	if (called) {
+		return;
+	}
+
+	called = true;
+
+	cbs.forEach(function (el) {
+		el();
+	});
+
+	if (exit === true) {
+		process.exit(128 + signal);
+	}
+};
+
+module.exports = function (cb) {
+	cbs.push(cb);
+
+	if (cbs.length === 1) {
+		process.once('exit', exit);
+		process.once('SIGINT', exit.bind(null, true, 2));
+		process.once('SIGTERM', exit.bind(null, true, 15));
+	}
+};