From 453fa48f06c2b058fb4ab3c00bdaf5eaae9ece9c Mon Sep 17 00:00:00 2001
From: Eliya Cohen <co.eliya2@gmail.com>
Date: Wed, 15 Oct 2025 11:01:44 +0300
Subject: [PATCH 1/3] fix(eslint-plugin): avoid imports from typescript

---
 .../no-void-query-fn/no-void-query-fn.rule.ts   | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts b/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts
index 9c202e621a..b41a89c099 100644
--- a/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts
+++ b/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts
@@ -1,10 +1,15 @@
 import { ESLintUtils } from '@typescript-eslint/utils'
-import ts from 'typescript'
 import { ASTUtils } from '../../utils/ast-utils'
 import { detectTanstackQueryImports } from '../../utils/detect-react-query-imports'
 import { getDocsUrl } from '../../utils/get-docs-url'
+import type { ParserServicesWithTypeInformation } from '@typescript-eslint/utils'
 import type { ExtraRuleDocs } from '../../types'
 
+const TypeFlags = {
+  Void: 1 << 16, // 65536
+  Undefined: 1 << 17, // 131072
+} as const
+
 export const name = 'no-void-query-fn'
 
 const createRule = ESLintUtils.RuleCreator<ExtraRuleDocs>(getDocsUrl)
@@ -69,7 +74,11 @@ export const rule = createRule({
   }),
 })
 
-function isIllegalReturn(checker: ts.TypeChecker, type: ts.Type): boolean {
+type Program = ParserServicesWithTypeInformation['program']
+type TypeChecker = ReturnType<Program['getTypeChecker']>
+type Type = ReturnType<TypeChecker['getTypeAtLocation']>
+
+function isIllegalReturn(checker: TypeChecker, type: Type): boolean {
   const awaited = checker.getAwaitedType(type)
 
   if (!awaited) return false
@@ -78,7 +87,5 @@ function isIllegalReturn(checker: ts.TypeChecker, type: ts.Type): boolean {
     return awaited.types.some((t) => isIllegalReturn(checker, t))
   }
 
-  return awaited.flags & (ts.TypeFlags.Void | ts.TypeFlags.Undefined)
-    ? true
-    : false
+  return awaited.flags & (TypeFlags.Void | TypeFlags.Undefined) ? true : false
 }

From 35da1a60af3ee0ad5243e0090a7b3003a9202630 Mon Sep 17 00:00:00 2001
From: Eliya Cohen <co.eliya2@gmail.com>
Date: Wed, 15 Oct 2025 11:03:36 +0300
Subject: [PATCH 2/3] add changeset

---
 .changeset/shy-wasps-pull.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/shy-wasps-pull.md

diff --git a/.changeset/shy-wasps-pull.md b/.changeset/shy-wasps-pull.md
new file mode 100644
index 0000000000..24011af557
--- /dev/null
+++ b/.changeset/shy-wasps-pull.md
@@ -0,0 +1,5 @@
+---
+'@tanstack/eslint-plugin-query': patch
+---
+
+avoid typescript import in no-void-query-fn rule

From d9ad4a73696abb0bbc2e1a77364a1951d0764f6b Mon Sep 17 00:00:00 2001
From: Eliya Cohen <co.eliya2@gmail.com>
Date: Wed, 15 Oct 2025 11:15:39 +0300
Subject: [PATCH 3/3] fix

---
 .../src/rules/no-void-query-fn/no-void-query-fn.rule.ts       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts b/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts
index b41a89c099..5a8708efc0 100644
--- a/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts
+++ b/packages/eslint-plugin-query/src/rules/no-void-query-fn/no-void-query-fn.rule.ts
@@ -6,8 +6,8 @@ import type { ParserServicesWithTypeInformation } from '@typescript-eslint/utils
 import type { ExtraRuleDocs } from '../../types'
 
 const TypeFlags = {
-  Void: 1 << 16, // 65536
-  Undefined: 1 << 17, // 131072
+  Void: 16384,
+  Undefined: 32768,
 } as const
 
 export const name = 'no-void-query-fn'