From 9aee06cf4c47e38b5959d45f28bad6499b605352 Mon Sep 17 00:00:00 2001
From: Alexander T <alexander.tarasyuk@outlook.com>
Date: Fri, 15 Nov 2019 19:26:00 +0200
Subject: [PATCH] fix(eslint-plugin): [indent] handle empty generic
 declarations (#1211)

Co-authored-by: Brad Zacher <brad.zacher@gmail.com>
---
 packages/eslint-plugin/src/rules/indent.ts               | 4 ++++
 packages/eslint-plugin/tests/rules/indent/indent.test.ts | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/packages/eslint-plugin/src/rules/indent.ts b/packages/eslint-plugin/src/rules/indent.ts
index 571767d5e00..46ac924f4c7 100644
--- a/packages/eslint-plugin/src/rules/indent.ts
+++ b/packages/eslint-plugin/src/rules/indent.ts
@@ -444,6 +444,10 @@ export default util.createRule<Options, MessageIds>({
       },
 
       TSTypeParameterDeclaration(node: TSESTree.TSTypeParameterDeclaration) {
+        if (!node.params.length) {
+          return;
+        }
+
         const [name, ...attributes] = node.params;
 
         // JSX is about the closest we can get because the angle brackets
diff --git a/packages/eslint-plugin/tests/rules/indent/indent.test.ts b/packages/eslint-plugin/tests/rules/indent/indent.test.ts
index f49be833005..fca5629655b 100644
--- a/packages/eslint-plugin/tests/rules/indent/indent.test.ts
+++ b/packages/eslint-plugin/tests/rules/indent/indent.test.ts
@@ -770,6 +770,11 @@ const div: JQuery<HTMLElement> = $('<div>')
     },
     // https://github.com/typescript-eslint/typescript-eslint/issues/441
     `const;`,
+
+    // https://github.com/typescript-eslint/typescript-eslint/issues/1115
+    {
+      code: `const foo = function<> (): void {}`,
+    },
   ],
   invalid: [
     ...individualNodeTests.invalid,