Добавил пакет lazy.js

package-lock.json

@@ -2241,6 +2241,11 @@
       "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
       "dev": true
     },
+    "lazy.js": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/lazy.js/-/lazy.js-0.5.1.tgz",
+      "integrity": "sha512-p9v24vaKrzS2mEx3yuzva/3M6I3+HwvXd0pB1Xf/IvsFIMdhQgmym7JBO0e7c0OZmKTo07sCuiCIm6jazSWFNw=="
+    },
     "levn": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",

package.json

@@ -25,6 +25,7 @@
   "dependencies": {
     "bluebird": "^3.5.3",
     "express": "^4.16.4",
+    "lazy.js": "^0.5.1",
     "sql-template-strings": "^2.2.2",
     "sqlite": "^3.0.0"
   }