feat(typescript): Rule "typedef"

Signed-off-by: Valentin Popov <info@valentineus.link>

ROADMAP.md

@@ -410,6 +410,6 @@
 - [ ] "switch-exhaustiveness-check"
 - [ ] "triple-slash-reference"
 - [X] "type-annotation-spacing"
-- [ ] "typedef"
+- [X] "typedef"
 - [ ] "unbound-method"
 - [ ] "unified-signatures"

src/rules/typescript/default.json

@@ -108,6 +108,18 @@
       "before": false
     }
   ],
+  "@typescript-eslint/typedef": [
+    "error",
+    {
+      "arrayDestructuring": true,
+      "arrowParameter": true,
+      "memberVariableDeclaration": true,
+      "objectDestructuring": true,
+      "parameter": true,
+      "propertyDeclaration": true,
+      "variableDeclaration": true
+    }
+  ],
   "indent": [
     "off"
   ],