From df439877bd1be93cef901300951dba0f3cfa8d0d Mon Sep 17 00:00:00 2001
From: EYHN <cneyhn@gmail.com>
Date: Fri, 8 Dec 2023 05:21:03 +0000
Subject: [PATCH] fix(core): add requestidlecallback polyfill for safari
 (#5231)

---
 packages/frontend/core/src/index.tsx          |  1 +
 .../src/polyfill/request-idle-callback.ts     | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 packages/frontend/core/src/polyfill/request-idle-callback.ts

diff --git a/packages/frontend/core/src/index.tsx b/packages/frontend/core/src/index.tsx
index 3667442d56..b7cef0c072 100644
--- a/packages/frontend/core/src/index.tsx
+++ b/packages/frontend/core/src/index.tsx
@@ -1,5 +1,6 @@
 import './polyfill/ses-lockdown';
 import './polyfill/intl-segmenter';
+import './polyfill/request-idle-callback';
 
 import { WorkspaceFallback } from '@affine/component/workspace';
 import { assertExists } from '@blocksuite/global/utils';
diff --git a/packages/frontend/core/src/polyfill/request-idle-callback.ts b/packages/frontend/core/src/polyfill/request-idle-callback.ts
new file mode 100644
index 0000000000..e3156d20df
--- /dev/null
+++ b/packages/frontend/core/src/polyfill/request-idle-callback.ts
@@ -0,0 +1,19 @@
+window.requestIdleCallback =
+  window.requestIdleCallback ||
+  function (cb) {
+    const start = Date.now();
+    return setTimeout(function () {
+      cb({
+        didTimeout: false,
+        timeRemaining: function () {
+          return Math.max(0, 50 - (Date.now() - start));
+        },
+      });
+    }, 1);
+  };
+
+window.cancelIdleCallback =
+  window.cancelIdleCallback ||
+  function (id) {
+    clearTimeout(id);
+  };