Current Dev State

static/js/ketcher2/node_modules/sparkles/index.js

@@ -0,0 +1,45 @@
+'use strict';
+
+var EventEmitter = require('events').EventEmitter;
+
+var sparklesNamespace = 'store@sparkles';
+var defaultNamespace = 'default';
+
+function getStore(){
+  var store = global[sparklesNamespace];
+
+  if(!store){
+    store = global[sparklesNamespace] = {};
+  }
+
+  return store;
+}
+
+function getEmitter(namespace){
+
+  var store = getStore();
+
+  namespace = namespace || defaultNamespace;
+
+  var ee = store[namespace];
+
+  if(!ee){
+    ee = store[namespace] = new EventEmitter();
+    ee.setMaxListeners(0);
+    ee.remove = function remove(){
+      ee.removeAllListeners();
+      delete store[namespace];
+    };
+  }
+
+  return ee;
+}
+
+function exists(namespace){
+  var store = getStore();
+
+  return !!(store[namespace]);
+}
+
+module.exports = getEmitter;
+module.exports.exists = exists;