fixing security vuln

package-lock.json

@@ -2928,6 +2928,14 @@
         "schema-utils": "^1.0.0",
         "serialize-javascript": "^1.7.0",
         "webpack-log": "^2.0.0"
+      },
+      "dependencies": {
+        "serialize-javascript": {
+          "version": "1.9.1",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
+          "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+          "dev": true
+        }
       }
     },
     "core-js": {
@@ -8768,10 +8776,9 @@
       }
     },
     "serialize-javascript": {
-      "version": "1.9.1",
+      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-3.0.0.tgz",
-      "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+      "integrity": "sha512-skZcHYw2vEX4bw90nAr2iTTsz6x2SrHEnfxgKYmZlvJYBEZrvbKtobJWlQ20zczKb3bsHHXXTYt48zBA7ni9cw=="
-      "dev": true
     },
     "serve-index": {
       "version": "1.9.1",
@@ -9795,6 +9802,12 @@
         "worker-farm": "^1.7.0"
       },
       "dependencies": {
+        "serialize-javascript": {
+          "version": "1.9.1",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
+          "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+          "dev": true
+        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",

package.json

@@ -9,7 +9,10 @@
     "lint": "ng lint",
     "e2e": "ng e2e"
   },
-  "engines":{"node":"8.12.0","npm":"6.4.1"},
+  "engines": {
+    "node": "8.12.0",
+    "npm": "6.4.1"
+  },
   "private": true,
   "dependencies": {
     "@angular/animations": "~8.2.0",
@@ -21,6 +24,7 @@
     "@angular/platform-browser-dynamic": "~8.2.0",
     "@angular/router": "~8.2.0",
     "rxjs": "~6.4.0",
+    "serialize-javascript": ">=2.1.1",
     "tslib": "^1.10.0",
     "zone.js": "~0.9.1"
   },