From 501faebb6e2086f9fdbc7114fa9e40dac9379576 Mon Sep 17 00:00:00 2001
From: pipopotamasu <ec0156hx@gmail.com>
Date: Sat, 24 Feb 2024 06:34:42 +0900
Subject: [PATCH] add let and var declaration patterns (#50)

---
 .../variable-declarator/index.spec.ts         | 62 +++++++++++++++----
 .../variable-declarator/index.ts              |  3 +-
 2 files changed, 51 insertions(+), 14 deletions(-)

diff --git a/rules/no-implicit-any/variable-declarator/index.spec.ts b/rules/no-implicit-any/variable-declarator/index.spec.ts
index 88b57aa..f408e75 100644
--- a/rules/no-implicit-any/variable-declarator/index.spec.ts
+++ b/rules/no-implicit-any/variable-declarator/index.spec.ts
@@ -6,18 +6,6 @@ ruleTester.run('variable-declarator', rule, {
     {
       code: 'const foo: any;',
     },
-    {
-      code: 'let foo;',
-    },
-    {
-      code: 'var foo;',
-    },
-    {
-      code: 'let foo = null',
-    },
-    {
-      code: 'var foo = null',
-    },
     {
       code: `
         const foo: any = {};
@@ -87,5 +75,55 @@ ruleTester.run('variable-declarator', rule, {
       output: 'const foo: any = void 0',
       errors: [{ messageId: 'missingAnyType' }],
     },
+    {
+      code: 'let foo;',
+      output: 'let foo: any;',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'let foo, bar;',
+      output: 'let foo: any, bar: any;',
+      errors: [{ messageId: 'missingAnyType' }, { messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'let foo = null',
+      output: 'let foo: any = null',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'let foo = undefined',
+      output: 'let foo: any = undefined',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'let foo = void 0',
+      output: 'let foo: any = void 0',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'var foo;',
+      output: 'var foo: any;',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'var foo, bar;',
+      output: 'var foo: any, bar: any;',
+      errors: [{ messageId: 'missingAnyType' }, { messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'var foo = null',
+      output: 'var foo: any = null',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'var foo = undefined',
+      output: 'var foo: any = undefined',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
+    {
+      code: 'var foo = void 0',
+      output: 'var foo: any = void 0',
+      errors: [{ messageId: 'missingAnyType' }],
+    },
   ],
 });
diff --git a/rules/no-implicit-any/variable-declarator/index.ts b/rules/no-implicit-any/variable-declarator/index.ts
index aa6f44b..c14fc8a 100644
--- a/rules/no-implicit-any/variable-declarator/index.ts
+++ b/rules/no-implicit-any/variable-declarator/index.ts
@@ -9,8 +9,7 @@ export const lintVariableDeclarator = (
   if (
     node.id.typeAnnotation ||
     node.parent.parent.type === AST_NODE_TYPES.ForOfStatement ||
-    node.parent.parent.type === AST_NODE_TYPES.ForInStatement ||
-    (node.parent.type === AST_NODE_TYPES.VariableDeclaration && node.parent.kind !== 'const')
+    node.parent.parent.type === AST_NODE_TYPES.ForInStatement
   )
     return;