From 3225ded66b38f587df67ee26a04581e8f345fc98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Acu=C3=B1a?= <reacuna@gmail.com>
Date: Tue, 3 Sep 2019 20:30:15 -0400
Subject: [PATCH] [@types/chai] Add 'own' type definition (#38083)

* Add 'own' type definition

* add 'own' tests
---
 types/chai/chai-tests.ts | 7 +++++++
 types/chai/index.d.ts    | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/types/chai/chai-tests.ts b/types/chai/chai-tests.ts
index 228eb7c662..0352ad7204 100644
--- a/types/chai/chai-tests.ts
+++ b/types/chai/chai-tests.ts
@@ -608,6 +608,13 @@ function nestedProperty2() {
         .not.have.nested.property('foo.bar', 'baz', 'blah');
 }
 
+function own() {
+  expect('test').to.have.own.property('length');
+  expect('test').to.own.property('length');
+  expect({ length: 12 }).to.have.own.property('length');
+  expect({ length: 12 }).to.not.have.own.property('length', 'blah');
+}
+
 function ownProperty() {
     expect('test').to.have.ownProperty('length');
     'test'.should.have.ownProperty('length');
diff --git a/types/chai/index.d.ts b/types/chai/index.d.ts
index 1ee59343f1..5876a07c68 100644
--- a/types/chai/index.d.ts
+++ b/types/chai/index.d.ts
@@ -179,6 +179,7 @@ declare namespace Chai {
         deep: Deep;
         ordered: Ordered;
         nested: Nested;
+        own: Own;
         any: KeyFilter;
         all: KeyFilter;
         a: TypeComparison;
@@ -294,6 +295,11 @@ declare namespace Chai {
       members: Members;
     }
 
+    interface Own {
+        include: Include;
+        property: Property;
+    }
+
     interface Deep {
         equal: Equal;
         equals: Equal;
@@ -303,6 +309,7 @@ declare namespace Chai {
         members: Members;
         ordered: Ordered;
         nested: Nested;
+        own: Own;
     }
 
     interface Ordered {