From a93a1e404c9b61b43c43d4dae1ca0a2e35899cdd Mon Sep 17 00:00:00 2001
From: Chema Balsas <chema.balsas@shopify.com>
Date: Fri, 1 Jul 2022 07:34:12 +0100
Subject: [PATCH] fix: output complete type parameter for record generics

---
 .../src/rules/consistent-indexed-object-style.ts    |  2 +-
 .../rules/consistent-indexed-object-style.test.ts   | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/packages/eslint-plugin/src/rules/consistent-indexed-object-style.ts b/packages/eslint-plugin/src/rules/consistent-indexed-object-style.ts
index 3da9692df9e2..e4e73d897528 100644
--- a/packages/eslint-plugin/src/rules/consistent-indexed-object-style.ts
+++ b/packages/eslint-plugin/src/rules/consistent-indexed-object-style.ts
@@ -132,7 +132,7 @@ export default createRule<Options, MessageIds>({
 
           if ((node.typeParameters?.params ?? []).length > 0) {
             genericTypes = `<${node.typeParameters?.params
-              .map(p => p.name.name)
+              .map(p => sourceCode.getText(p))
               .join(', ')}>`;
           }
 
diff --git a/packages/eslint-plugin/tests/rules/consistent-indexed-object-style.test.ts b/packages/eslint-plugin/tests/rules/consistent-indexed-object-style.test.ts
index 9c92f1a2eac9..b02fd3dfa2db 100644
--- a/packages/eslint-plugin/tests/rules/consistent-indexed-object-style.test.ts
+++ b/packages/eslint-plugin/tests/rules/consistent-indexed-object-style.test.ts
@@ -174,6 +174,19 @@ type Foo<A> = Record<string, A>;
       errors: [{ messageId: 'preferRecord', line: 2, column: 1 }],
     },
 
+    // Interface with generic parameter and default value
+    {
+      code: `
+interface Foo<A = any> {
+  [key: string]: A;
+}
+      `,
+      output: `
+type Foo<A = any> = Record<string, A>;
+      `,
+      errors: [{ messageId: 'preferRecord', line: 2, column: 1 }],
+    },
+
     // Interface with extends
     {
       code: `