fix(eslint-plugin-tslint): fix tslintConfig memoization key (typescript-eslint#1719)

pelepelin · web-flow · commit abf1a2fa5574 · 2020-03-16T20:06:32.000Z
Fixes typescript-eslint#1692
diff --git 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>({
