From 8d95baa70f0a9cc1fa33b855e6f54f405729642c Mon Sep 17 00:00:00 2001
From: Pavel Mineev <pavel@mineev.me>
Date: Sun, 4 Dec 2022 16:51:09 -0500
Subject: [PATCH] chore: add resize observer mock

---
 .../apps/remark42/app/__mocks__/resize-observer.ts    | 11 +++++++++++
 frontend/apps/remark42/jest.config.ts                 |  1 +
 2 files changed, 12 insertions(+)
 create mode 100644 frontend/apps/remark42/app/__mocks__/resize-observer.ts

diff --git a/frontend/apps/remark42/app/__mocks__/resize-observer.ts b/frontend/apps/remark42/app/__mocks__/resize-observer.ts
new file mode 100644
index 0000000000..bdee163b56
--- /dev/null
+++ b/frontend/apps/remark42/app/__mocks__/resize-observer.ts
@@ -0,0 +1,11 @@
+global.ResizeObserver = class ResizeObserver {
+  observe() {
+    // do nothing
+  }
+  unobserve() {
+    // do nothing
+  }
+  disconnect() {
+    // do nothing
+  }
+};
diff --git a/frontend/apps/remark42/jest.config.ts b/frontend/apps/remark42/jest.config.ts
index ad822e48a7..4d9f28a94c 100644
--- a/frontend/apps/remark42/jest.config.ts
+++ b/frontend/apps/remark42/jest.config.ts
@@ -33,6 +33,7 @@ const config: Config = {
   setupFilesAfterEnv: [
     '<rootDir>/app/__mocks__/fetch.ts',
     '<rootDir>/app/__mocks__/localstorage.ts',
+    '<rootDir>/app/__mocks__/resize-observer.ts',
     '<rootDir>/app/__stubs__/remark-config.ts',
     '<rootDir>/app/__stubs__/static-config.ts',
   ],