From 35537adb8bd1c4084ccc601acb449fbd8cefcd8c Mon Sep 17 00:00:00 2001
From: duduluu <duduluu@outlook.com>
Date: Sat, 4 Apr 2020 23:50:51 +0800
Subject: [PATCH] fix(eslint-plugin): fix no-base-to-string boolean literal
 check

---
 packages/eslint-plugin/src/rules/no-base-to-string.ts        | 4 ++++
 packages/eslint-plugin/tests/rules/no-base-to-string.test.ts | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/packages/eslint-plugin/src/rules/no-base-to-string.ts b/packages/eslint-plugin/src/rules/no-base-to-string.ts
index 98a37c740849..7308fa6201a9 100644
--- a/packages/eslint-plugin/src/rules/no-base-to-string.ts
+++ b/packages/eslint-plugin/src/rules/no-base-to-string.ts
@@ -65,6 +65,10 @@ export default util.createRule({
         return Usefulness.Always;
       }
 
+      if (type.flags & ts.TypeFlags.BooleanLiteral) {
+        return Usefulness.Always;
+      }
+
       if (
         toString.declarations.every(
           ({ parent }) =>
diff --git a/packages/eslint-plugin/tests/rules/no-base-to-string.test.ts b/packages/eslint-plugin/tests/rules/no-base-to-string.test.ts
index cd2e4b166a90..5cb25971e646 100644
--- a/packages/eslint-plugin/tests/rules/no-base-to-string.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-base-to-string.test.ts
@@ -30,6 +30,10 @@ ruleTester.run('no-base-to-string', rule, {
     "'text'.toString();",
     'false.toString();',
     `
+let value = true;
+value.toString();
+    `,
+    `
 let value = 1;
 value.toString();
     `,