Only import debounce function from lodash instead of the whole lib

Author: Sambego

package-lock.json

@@ -8,6 +8,7 @@
   "dependencies": {
     "express": "^4.17.1",
     "express-sslify": "^1.2.0",
+    "lodash.debounce": "^4.0.8",
     "querystring": "^0.2.0"
   },
   "devEngines": {
@@ -70,6 +71,7 @@
   "scripts": {
     "start": "node server.js",
     "test": "grunt test",
+    "test:unit": "grunt unit-tests",
     "build": "grunt build-website"
   },
   "heroku-run-build-script": true

package.json

@@ -1,5 +1,5 @@
 import log from "loglevel";
-import _ from "lodash";
+import debounce from 'lodash.debounce';
 
 
 export function init() {
@@ -121,12 +121,12 @@ export function init() {
   analytics.page();
 }
 
-export const track = _.debounce((event, data) => {
+export const track = debounce((event, data) => {
   if (window.metrics) {
     try {
       window.metrics.track(event, data);
     } catch (e) {
       log.error(`Metrics library error for event ${event}: ${e}`);
     }
   }
-}, 2000);
+}, 1000);