fix(eslint-plugin): fix no-base-to-string for old ts verion boolean type

typescript-eslint · Apr 25, 2020 · a98d6d8 · a98d6d8
1 parent 93fb661
commit a98d6d8
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/packages/eslint-plugin/src/rules/no-base-to-string.ts b/packages/eslint-plugin/src/rules/no-base-to-string.ts
@@ -84,6 +84,11 @@ export default util.createRule<Options, MessageIds>({
         return Usefulness.Always;
       }
 
+      // Patch for old version TypeScript, the Boolean type definition missing toString()
+      if (type.flags & ts.TypeFlags.BooleanLiteral) {
+        return Usefulness.Always;
+      }
+
       if (
         toString.declarations.every(
           ({ parent }) =>