Estructura inicial del proyecto

backend/node_modules/mssql/lib/utils.js

@@ -0,0 +1,31 @@
+'use strict'
+
+const IDS = new WeakMap()
+const INCREMENT = {
+  Connection: 1,
+  ConnectionPool: 1,
+  Request: 1,
+  Transaction: 1,
+  PreparedStatement: 1
+}
+
+const getPoolId = (obj) => {
+  let parent = obj && obj.parent
+  while (parent && !parent.pool) {
+    parent = parent.parent
+  }
+  return parent ? IDS.get(parent) : undefined
+}
+
+module.exports = {
+  objectHasProperty: (object, property) => Object.prototype.hasOwnProperty.call(object, property),
+  INCREMENT,
+  IDS: {
+    get: IDS.get.bind(IDS),
+    add: (object, type, id) => {
+      if (id) return IDS.set(object, id)
+      IDS.set(object, INCREMENT[type]++)
+    }
+  },
+  getPoolId
+}