Added memwatch for memory leak detection (#10166)

package-lock.json

@@ -2020,8 +2020,7 @@
     "bindings": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.3.0.tgz",
-      "integrity": "sha512-DpLh5EzMR2kzvX1KIlVC0VkC3iZtHKTgdtZ0a3pglBZdaQFjt5S9g9xd1lE+YvXyfd6mtCeRnrUfOLYiTMlNSw==",
-      "optional": true
+      "integrity": "sha512-DpLh5EzMR2kzvX1KIlVC0VkC3iZtHKTgdtZ0a3pglBZdaQFjt5S9g9xd1lE+YvXyfd6mtCeRnrUfOLYiTMlNSw=="
     },
     "bitsyntax": {
       "version": "0.0.4",
@@ -13335,6 +13334,15 @@
         "readable-stream": "2.3.4"
       }
     },
+    "memwatch-next": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/memwatch-next/-/memwatch-next-0.3.0.tgz",
+      "integrity": "sha1-IREFD5qQbgqi1ypOwPAInHhyb48=",
+      "requires": {
+        "bindings": "1.3.0",
+        "nan": "2.6.2"
+      }
+    },
     "meow": {
       "version": "3.7.0",
       "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",

package.json

@@ -58,6 +58,7 @@
     "jquery": ">=3.0.0",
     "js2xmlparser": "^3.0.0",
     "lodash": "^4.17.4",
+    "memwatch-next": "^0.3.0",
     "merge-stream": "^1.0.0",
     "method-override": "^2.3.5",
     "moment": "^2.21.0",

website/server/server.js

@@ -4,6 +4,14 @@ import express from 'express';
 import http from 'http';
 import Bluebird from 'bluebird';
 
+// @TODO: May need to remove - testing
+import memwatch from 'memwatch-next';
+
+memwatch.on('leak', (info) => {
+  const message = `Memory leak detected:\n${info}`;
+  logger.error(message);
+});
+
 global.Promise = Bluebird;
 
 const server = http.createServer();