update to angular 15

package.json

@@ -10,21 +10,21 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^14.2.10",
-    "@angular/common": "^14.2.10",
-    "@angular/compiler": "^14.2.10",
-    "@angular/core": "^14.2.10",
-    "@angular/platform-browser": "^14.2.10",
-    "@angular/platform-browser-dynamic": "^14.2.10",
+    "@angular/animations": "^15.2.9",
+    "@angular/common": "^15.2.9",
+    "@angular/compiler": "^15.2.9",
+    "@angular/core": "^15.2.9",
+    "@angular/platform-browser": "^15.2.9",
+    "@angular/platform-browser-dynamic": "^15.2.9",
     "luxon": "^2.5.0",
     "rxjs": "~7.4.0",
     "tslib": "^2.4.1",
     "zone.js": "^0.11.8"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^14.2.9",
-    "@angular/cli": "^14.2.9",
-    "@angular/compiler-cli": "^14.2.10",
+    "@angular-devkit/build-angular": "^15.2.9",
+    "@angular/cli": "^15.2.9",
+    "@angular/compiler-cli": "^15.2.9",
     "@types/jasmine": "^3.10.6",
     "@types/luxon": "^2.4.0",
     "@types/node": "^12.20.55",

src/test.ts

@@ -7,20 +7,8 @@ import {
   platformBrowserDynamicTesting
 } from '@angular/platform-browser-dynamic/testing';
 
-declare const require: {
-  context(path: string, deep?: boolean, filter?: RegExp): {
-    keys(): string[];
-    <T>(id: string): T;
-  };
-};
-
 // First, initialize the Angular testing environment.
 getTestBed().initTestEnvironment(
   BrowserDynamicTestingModule,
   platformBrowserDynamicTesting(),
 );
-
-// Then we find all the tests.
-const context = require.context('./', true, /\.spec\.ts$/);
-// And load the modules.
-context.keys().map(context);

tsconfig.json

@@ -16,12 +16,13 @@
     "experimentalDecorators": true,
     "moduleResolution": "node",
     "importHelpers": true,
-    "target": "es2020",
+    "target": "ES2022",
     "module": "es2020",
     "lib": [
       "es2020",
       "dom"
-    ]
+    ],
+    "useDefineForClassFields": false
   },
   "angularCompilerOptions": {
     "enableI18nLegacyMessageIdFormat": false,