Upgraded to TypeScript 3.8

package-lock.json

@@ -5103,16 +5103,6 @@
         "path-key": "^2.0.0"
       }
     },
-    "null-loader": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/null-loader/-/null-loader-3.0.0.tgz",
-      "integrity": "sha512-hf5sNLl8xdRho4UPBOOeoIwT3WhjYcMUQm0zj44EhD6UscMAz72o2udpoDFBgykucdEDGIcd6SXbc/G6zssbzw==",
-      "dev": true,
-      "requires": {
-        "loader-utils": "^1.2.3",
-        "schema-utils": "^1.0.0"
-      }
-    },
     "num2fraction": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/num2fraction/-/num2fraction-1.2.2.tgz",
@@ -7841,9 +7831,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.7.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.4.tgz",
-      "integrity": "sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==",
+      "version": "3.8.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.2.tgz",
+      "integrity": "sha512-EgOVgL/4xfVrCMbhYKUQTdF37SQn4Iw73H5BgCrF1Abdun7Kwy/QZsE/ssAy0y4LxBbvua3PIbFsbRczWWnDdQ==",
       "dev": true
     },
     "uglify-js": {

package.json

@@ -69,7 +69,6 @@
     "material-shadows": "^3.0.1",
     "modularscale-sass": "^3.0.10",
     "nodemon": "^1.19.4",
-    "null-loader": "^3.0.0",
     "postcss-loader": "^3.0.0",
     "preact": "^10.1.1",
     "rimraf": "^3.0.2",
@@ -85,7 +84,7 @@
     "tslib": "^1.10.0",
     "tslint": "^5.20.1",
     "tslint-sonarts": "^1.9.0",
-    "typescript": "^3.7.4",
+    "typescript": "^3.8.2",
     "webpack": "^4.41.4",
     "webpack-assets-manifest": "^3.1.1",
     "webpack-cli": "^3.3.10"

webpack.config.ts

@@ -119,12 +119,6 @@ function config(args: Configuration): Configuration {
               }
             }
           ]
-        },
-
-        /* Preact is only used for its great JSX typings */
-        {
-          test: /\bpreact\b/,
-          use: "null-loader"
         }
       ]
     },