From cebcfe640ec56535bc565dabad6fb4b90db60afc Mon Sep 17 00:00:00 2001
From: Jonathan Skeate <skeate@users.noreply.github.com>
Date: Wed, 27 Mar 2019 19:04:58 -0400
Subject: [PATCH] fix(eslint-plugin): no-type-alias: fix typeof alias erroring
 (#380)

---
 packages/eslint-plugin/src/rules/no-type-alias.ts        | 1 +
 packages/eslint-plugin/tests/rules/no-type-alias.test.ts | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/packages/eslint-plugin/src/rules/no-type-alias.ts b/packages/eslint-plugin/src/rules/no-type-alias.ts
index c15795773a0..890e6b04aa5 100644
--- a/packages/eslint-plugin/src/rules/no-type-alias.ts
+++ b/packages/eslint-plugin/src/rules/no-type-alias.ts
@@ -108,6 +108,7 @@ export default util.createRule<Options, MessageIds>({
       AST_NODE_TYPES.TSArrayType,
       AST_NODE_TYPES.TSTypeReference,
       AST_NODE_TYPES.TSLiteralType,
+      AST_NODE_TYPES.TSTypeQuery,
     ];
 
     type CompositionType = TSESTree.TSUnionType | TSESTree.TSIntersectionType;
diff --git a/packages/eslint-plugin/tests/rules/no-type-alias.test.ts b/packages/eslint-plugin/tests/rules/no-type-alias.test.ts
index df42dd0f082..d34cb9957b8 100644
--- a/packages/eslint-plugin/tests/rules/no-type-alias.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-type-alias.test.ts
@@ -364,6 +364,14 @@ type Foo<T> = {
         },
       ],
     },
+    {
+      code: 'type Foo = typeof bar;',
+      options: [{ allowAliases: 'always' }],
+    },
+    {
+      code: 'type Foo = typeof bar | typeof baz;',
+      options: [{ allowAliases: 'in-unions' }],
+    },
   ],
   invalid: [
     {