From 05af9f04ed9d8504cd697ee75925b8ddf45bd8ac Mon Sep 17 00:00:00 2001
From: Keyan Zhang <root@keyanzhang.com>
Date: Sat, 14 Mar 2020 21:12:39 -0700
Subject: [PATCH] [easy] run typechecking on CI (#954)

---
 .github/workflows/lint.yml     | 1 +
 package.json                   | 1 +
 src/element/newElement.test.ts | 1 +
 3 files changed, 3 insertions(+)

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a5e3c84f..92e731a0 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -19,5 +19,6 @@ jobs:
           npm ci
           npm run test:other
           npm run test:code
+          npm run test:typecheck
         env:
           CI: true
diff --git a/package.json b/package.json
index 62030a74..a02f284c 100644
--- a/package.json
+++ b/package.json
@@ -97,6 +97,7 @@
     "test:app": "react-scripts test --env=jsdom --passWithNoTests",
     "test:debug": "react-scripts --inspect-brk test --runInBand --no-cache",
     "test:code": "eslint --ignore-path .gitignore --ext .js,.ts,.tsx .",
+    "test:typecheck": "tsc",
     "test:other": "npm run prettier -- --list-different"
   },
   "version": "1.0.0",
diff --git a/src/element/newElement.test.ts b/src/element/newElement.test.ts
index 4e52f3fa..a37e6973 100644
--- a/src/element/newElement.test.ts
+++ b/src/element/newElement.test.ts
@@ -41,6 +41,7 @@ it("clones arrow element", () => {
 
   assertCloneObjects(element, copy);
 
+  // @ts-ignore
   expect(copy.__proto__).toEqual({ hello: "world" });
   expect(copy.hasOwnProperty("hello")).toBe(false);