Added tslib dependency

package-lock.json

@@ -3058,6 +3058,14 @@
       "dev": true,
       "requires": {
         "tslib": "^1.9.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.13.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.13.0.tgz",
+          "integrity": "sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==",
+          "dev": true
+        }
       }
     },
     "safe-buffer": {
@@ -3584,9 +3592,9 @@
       }
     },
     "tslib": {
-      "version": "1.13.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.13.0.tgz",
-      "integrity": "sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.0.1.tgz",
+      "integrity": "sha512-SgIkNheinmEBgx1IUNirK0TUD4X9yjjBRTqqjggWCU3pUEqIk3/Uwl3yRixYKT6WjQuGiwDv4NomL3wqRCj+CQ==",
       "dev": true
     },
     "tsutils": {
@@ -3596,6 +3604,14 @@
       "dev": true,
       "requires": {
         "tslib": "^1.8.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.13.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.13.0.tgz",
+          "integrity": "sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==",
+          "dev": true
+        }
       }
     },
     "type-check": {

package.json

@@ -62,6 +62,7 @@
     "eslint-plugin-standard": "4.0.1",
     "nodemon": "^2.0.4",
     "ts-node": "^8.10.1",
+    "tslib": "^2.0.1",
     "typescript": "^3.9.3"
   }
 }