From e43810d98efbac34b049611060b11669c69d76be Mon Sep 17 00:00:00 2001
From: Konstantin Pelepelin <Konstantin.Pelepelin@gmail.com>
Date: Wed, 11 Mar 2020 12:34:56 +0300
Subject: [PATCH] fix(eslint-plugin-tslint): fix tslintConfig memoization key

Fixes typescript-eslint#1692
---
 packages/eslint-plugin-tslint/src/rules/config.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/eslint-plugin-tslint/src/rules/config.ts b/packages/eslint-plugin-tslint/src/rules/config.ts
index fcfaa7e2b8f..32198d0fc8c 100644
--- a/packages/eslint-plugin-tslint/src/rules/config.ts
+++ b/packages/eslint-plugin-tslint/src/rules/config.ts
@@ -48,10 +48,12 @@ const tslintConfig = memoize(
       rulesDirectory: tslintRulesDirectory ?? [],
     });
   },
-  (lintFile: string | undefined, tslintRules = {}, tslintRulesDirectory = []) =>
-    `${lintFile}_${Object.keys(tslintRules).join(',')}_${
-      tslintRulesDirectory.length
-    }`,
+  (
+    lintFile: string | undefined,
+    tslintRules = {},
+    tslintRulesDirectory: string[] = [],
+  ) =>
+    `${lintFile}_${JSON.stringify(tslintRules)}_${tslintRulesDirectory.join()}`,
 );
 
 export default createRule<Options, MessageIds>({