Migrate Angular to v21 standalone components, update ESLint flat config

Author: AlisherAmonulloev

Angular/.eslintignore

@@ -40,8 +40,8 @@
               "budgets": [
                 {
                   "type": "initial",
-                  "maximumWarning": "4mb",
-                  "maximumError": "4mb"
+                  "maximumWarning": "4.5mb",
+                  "maximumError": "5mb"
                 },
                 {
                   "type": "anyComponentStyle",

Angular/.eslintrc.js

@@ -0,0 +1,27 @@
+import spellCheck from 'eslint-config-devextreme/spell-check';
+import angularConfig from 'eslint-config-devextreme/angular';
+import tsParser from '@typescript-eslint/parser';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+export default [
+  {
+    ignores: ['node_modules/**', 'eslint.config.js', 'dist/**', '.angular/**', 'ngcc.config.js', 'stylelint.config.mjs'],
+  },
+  ...spellCheck,
+  ...angularConfig,
+  {
+    files: ['**/*.ts'],
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        project: './tsconfig.json',
+        tsconfigRootDir: __dirname,
+        ecmaVersion: 6,
+      },
+    },
+  },
+];