update angular core and cli to v12

.gitignore

@@ -1,3 +1,4 @@
+/.angular/cache
 node_modules/
 dist/
 .idea/

angular.json

@@ -184,18 +184,6 @@
             ]
           }
         },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "src/tsconfig.app.json",
-              "src/tsconfig.spec.json"
-            ],
-            "exclude": [
-              "**/node_modules/**"
-            ]
-          }
-        },
         "server": {
           "builder": "@angular-devkit/build-angular:server",
           "options": {
@@ -280,15 +268,6 @@
               "devServerTarget": "connect:serve:production"
             }
           }
-        },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": "e2e/tsconfig.e2e.json",
-            "exclude": [
-              "**/node_modules/**"
-            ]
-          }
         }
       }
     }

package.json

@@ -21,18 +21,18 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "~12.2.16",
+    "@angular/animations": "~13.3.11",
     "@angular/cdk": "^12.2.13",
-    "@angular/common": "~12.2.16",
-    "@angular/compiler": "~12.2.16",
-    "@angular/core": "~12.2.16",
-    "@angular/forms": "~12.2.16",
-    "@angular/localize": "^12.2.16",
+    "@angular/common": "~13.3.11",
+    "@angular/compiler": "~13.3.11",
+    "@angular/core": "~13.3.11",
+    "@angular/forms": "~13.3.11",
+    "@angular/localize": "^13.3.11",
     "@angular/material": "^12.2.13",
-    "@angular/platform-browser": "~12.2.16",
-    "@angular/platform-browser-dynamic": "~12.2.16",
-    "@angular/platform-server": "~12.2.16",
-    "@angular/router": "~12.2.16",
+    "@angular/platform-browser": "~13.3.11",
+    "@angular/platform-browser-dynamic": "~13.3.11",
+    "@angular/platform-server": "~13.3.11",
+    "@angular/router": "~13.3.11",
     "@nguniversal/express-engine": "^12.1.3",
     "@node-minify/clean-css": "^6.2.0",
     "@node-minify/core": "^6.2.0",
@@ -50,10 +50,10 @@
     "zone.js": "~0.11.4"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~12.2.18",
-    "@angular/cli": "~12.2.18",
-    "@angular/compiler-cli": "~12.2.16",
-    "@angular/language-service": "~12.2.16",
+    "@angular-devkit/build-angular": "~13.3.9",
+    "@angular/cli": "~13.3.9",
+    "@angular/compiler-cli": "~13.3.11",
+    "@angular/language-service": "~13.3.11",
     "@nguniversal/builders": "^12.1.3",
     "@types/compression": "^1.7.0",
     "@types/express": "^4.17.0",
@@ -70,6 +70,6 @@
     "karma-jasmine-html-reporter": "^1.6.0",
     "protractor": "~7.0.0",
     "ts-node": "~7.0.0",
-    "typescript": "~4.3.5"
+    "typescript": "~4.6.4"
   }
 }

src/polyfills.ts

@@ -22,16 +22,6 @@ import '@angular/localize/init';
  * BROWSER POLYFILLS
  */
 
-/** IE10 and IE11 requires the following for NgClass support on SVG elements */
-// import 'classlist.js';  // Run `npm install --save classlist.js`.
-
-/**
- * Web Animations `@angular/platform-browser/animations`
- * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
- * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
- */
-// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
-
 /**
  * By default, zone.js will patch all possible macroTask and DomEvents
  * user can disable parts of macroTask/DomEvents patch by setting following flags

src/test.ts

@@ -12,7 +12,9 @@ declare const require: any;
 // First, initialize the Angular testing environment.
 getTestBed().initTestEnvironment(
   BrowserDynamicTestingModule,
-  platformBrowserDynamicTesting()
+  platformBrowserDynamicTesting(), {
+    teardown: { destroyAfterEach: false }
+}
 );
 // Then we find all the tests.
 const context = require.context('./', true, /\.spec\.ts$/);