Update examples to Angular 13 (#3683)

* chore: update to Ang 11

* chore: update to Ang 12

* chore: update to Ang 13

* chore: update Kendo package versions to latest

* chore: update package-lock

* chore: update integration-jquery

* chore: update pdf-embedded-fonts

* chore: update grid-signalr

* chore: update grid-graphql

* chore: update grid-firebase

* chore: update chart-websockets

* chore: update integration-pwa

* refactor: update packages

* fix: GraphQL demo

* fix: patch @progress/kendo-jsdo

* fix: scheduler integration demo

* refactor: enable lint

* chore: remove lint errors

* fix: breaking changes

* fix: lint error in grid-graphql server

* refactor: lint

* fix: grid-firebase import errors

* refactor: update browserlist

* chore: update lint config

Co-authored-by: Tsvetomir Tsonev <[email protected]>

Author: svetq

.gitignore

@@ -6,6 +6,9 @@ dist
 # dependencies
 node_modules
 
+# cache
+.angular
+
 # IDE - VSCode
 .vscode/*
 !.vscode/settings.json

examples/.eslintrc.json

@@ -0,0 +1,50 @@
+{
+  "root": true,
+  "ignorePatterns": [
+    "projects/**/*"
+  ],
+  "overrides": [
+    {
+      "files": [
+        "*.ts"
+      ],
+      "parserOptions": {
+        "project": [
+          "tsconfig.json"
+        ],
+        "createDefaultProgram": true
+      },
+      "extends": [
+        "plugin:@angular-eslint/recommended",
+        "plugin:@angular-eslint/template/process-inline-templates"
+      ],
+      "rules": {
+        "@angular-eslint/directive-selector": [
+          "error",
+          {
+            "type": "attribute",
+            "prefix": "app",
+            "style": "camelCase"
+          }
+        ],
+        "@angular-eslint/component-selector": [
+          "error",
+          {
+            "type": "element",
+            "prefix": "app",
+            "style": "kebab-case"
+          }
+        ]
+      }
+    },
+    {
+      "files": [
+        "*.html"
+      ],
+      "extends": [
+        "plugin:@angular-eslint/template/recommended"
+      ],
+      "rules": {}
+    }
+  ]
+}