feat: add @typescript-eslint/no-unnecessary-condition

BREAKING CHANGE: New rule introduced

.eslintrc.json

@@ -228,6 +228,12 @@
         "no-useless-constructor": "off",
         "@typescript-eslint/no-useless-constructor": "error",
         "@typescript-eslint/no-unnecessary-template-expression": "error",
+        "@typescript-eslint/no-unnecessary-condition": [
+          "error",
+          {
+            "allowConstantLoopConditions": true
+          }
+        ],
 
         "@typescript-eslint/adjacent-overload-signatures": "error",
         "@typescript-eslint/array-type": [
@@ -252,6 +258,7 @@
           }
         ],
         "@typescript-eslint/method-signature-style": "error",
+        "@typescript-eslint/unbound-method": "error",
         "@typescript-eslint/naming-convention": [
           "error",
           {
@@ -262,8 +269,10 @@
           }
         ],
         "@typescript-eslint/no-base-to-string": "error",
+        "@typescript-eslint/no-deprecated": "error",
         "@typescript-eslint/no-dynamic-delete": "error",
         "@typescript-eslint/no-extra-non-null-assertion": "error",
+        "@typescript-eslint/no-redundant-type-constituents": "error",
         "@typescript-eslint/no-extraneous-class": [
           "error",
           { "allowWithDecorator": true }
@@ -282,6 +291,7 @@
         "@typescript-eslint/no-unnecessary-type-assertion": "error",
         "@typescript-eslint/no-require-imports": "error",
         "@typescript-eslint/no-unsafe-unary-minus": "error",
+        "@typescript-eslint/no-unsafe-declaration-merging": "error",
         "@typescript-eslint/no-array-delete": "error",
         "@typescript-eslint/prefer-as-const": "error",
         "@typescript-eslint/prefer-function-type": "error",

README.md

@@ -56,8 +56,8 @@ If you want to use **TypeScript**, you also need to install:
 ```sh
 npm install --save-dev \
   "typescript@^5.6.2" \
-  "@typescript-eslint/eslint-plugin@^8.0.0" \
-  "@typescript-eslint/parser@^8.0.0"
+  "@typescript-eslint/eslint-plugin@^8.3.0" \
+  "@typescript-eslint/parser@^8.3.0"
 ```
 
 Dependencies are: