ci(lint): restore library project specific config rules

Author: damyanpetev

angular.json

@@ -213,7 +213,8 @@
             "lintFilePatterns": [
               "projects/igniteui-angular/**/*.ts",
               "projects/igniteui-angular/**/*.html"
-            ]
+            ],
+            "eslintConfig": "projects/igniteui-angular/eslint.config.mjs"
           }
         },
         "cypress-run": {

eslint.config.mjs

@@ -33,16 +33,6 @@ export default [{
         "@typescript-eslint": typescriptEslint,
     },
 
-    languageOptions: {
-        ecmaVersion: 5,
-        sourceType: "script",
-
-        parserOptions: {
-            project: ["tsconfig.json"],
-            createDefaultProgram: true,
-        },
-    },
-
     rules: {
         "no-shadow": "off",
         "no-prototype-builtins": "off",

projects/igniteui-angular/eslint.config.mjs

@@ -0,0 +1,59 @@
+import { FlatCompat } from "@eslint/eslintrc";
+import js from "@eslint/js";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import rootConfig from "../../eslint.config.mjs";
+// import tseslint from "typescript-eslint";
+// import angular from "angular-eslint";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default [
+    ...rootConfig,
+    {
+        files: ["**/*.ts"],
+        rules: {
+            "@angular-eslint/component-selector": ["error", {
+                type: "element",
+                prefix: ["igx", "igc", "test"],
+                style: "kebab-case",
+            }],
+
+            "@angular-eslint/directive-selector": ["error", {
+                type: ["attribute", "element"],
+                prefix: ["igx", "igc"],
+            }],
+
+            "@angular-eslint/no-input-rename": "off",
+            "@typescript-eslint/consistent-type-definitions": "error",
+            "@typescript-eslint/dot-notation": "off",
+            "brace-style": ["error", "1tbs"],
+            "id-blacklist": "off",
+            "id-match": "off",
+            "no-underscore-dangle": "off",
+
+            "no-restricted-syntax": ["error", {
+                selector: "Decorator[expression.callee.name=HostBinding] Literal[value='attr.class']",
+                message: "Do not use `attr.class` HostBinding in public-facing components",
+            }],
+
+            "no-console": ["error", {
+                allow: ["warn", "error"],
+            }],
+
+            "no-debugger": "error",
+        },
+    },
+    ...compat.extends(
+        "plugin:@angular-eslint/template/recommended",
+    ).map(config => ({
+        ...config,
+        files: ["**/*.html"],
+    }))
+];