chore(eslint): add linter configuration with basic options

Author: mugan86

.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": {}
+    }
+  ]
+}

angular.json

@@ -98,9 +98,21 @@
             ],
             "scripts": []
           }
+        },
+        "lint": {
+          "builder": "@angular-eslint/builder:lint",
+          "options": {
+            "lintFilePatterns": [
+              "src/**/*.ts",
+              "src/**/*.html"
+            ]
+          }
         }
       }
     }
   },
-  "defaultProject": "AngularHuskyWithGitHooks"
+  "defaultProject": "AngularHuskyWithGitHooks",
+  "cli": {
+    "defaultCollection": "@angular-eslint/schematics"
+  }
 }

package.json

@@ -12,7 +12,8 @@
     "start": "ng serve",
     "build": "ng build",
     "watch": "ng build --watch --configuration development",
-    "test": "ng test"
+    "test": "ng test",
+    "lint": "ng lint"
   },
   "private": true,
   "dependencies": {
@@ -30,10 +31,18 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~13.3.9",
+    "@angular-eslint/builder": "13.5.0",
+    "@angular-eslint/eslint-plugin": "13.5.0",
+    "@angular-eslint/eslint-plugin-template": "13.5.0",
+    "@angular-eslint/schematics": "13.5.0",
+    "@angular-eslint/template-parser": "13.5.0",
     "@angular/cli": "~13.3.9",
     "@angular/compiler-cli": "~13.3.0",
     "@types/jasmine": "~3.10.0",
     "@types/node": "^12.11.1",
+    "@typescript-eslint/eslint-plugin": "5.27.1",
+    "@typescript-eslint/parser": "5.27.1",
+    "eslint": "^8.17.0",
     "jasmine-core": "~4.0.0",
     "karma": "~6.3.0",
     "karma-chrome-launcher": "~3.1.0",