Convert invariant to warning

facebook · Jan 27, 2021 · 22f7355 · 22f7355
1 parent 2c7a2eb
commit 22f7355
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Showing 2 changed files with 18 additions and 10 deletions.
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
@@ -728,11 +728,15 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
     if (__DEV__) {
       // If we're going to re-use an existing task, it needs to exist.
       // Assume that discrete update microtasks are non-cancellable and null.
-      invariant(
-        existingCallbackNode != null ||
-          newCallbackPriority === InputDiscreteLanePriority,
-        'Expected scheduled callback to exist. This error is likely caused by a bug in React. Please file an issue.',
-      );
+      // TODO: Temporary until we confirm this warning is not fired.
+      if (
+        existingCallbackNode == null &&
+        newCallbackPriority !== InputDiscreteLanePriority
+      ) {
+        console.error(
+          'Expected scheduled callback to exist. This error is likely caused by a bug in React. Please file an issue.',
+        );
+      }
     }
     // The priority hasn't changed. We can reuse the existing task. Exit.
     return;

diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
@@ -710,11 +710,15 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
     if (__DEV__) {
       // If we're going to re-use an existing task, it needs to exist.
       // Assume that discrete update microtasks are non-cancellable and null.
-      invariant(
-        existingCallbackNode != null ||
-          newCallbackPriority === InputDiscreteLanePriority,
-        'Expected scheduled callback to exist. This error is likely caused by a bug in React. Please file an issue.',
-      );
+      // TODO: Temporary until we confirm this warning is not fired.
+      if (
+        existingCallbackNode == null &&
+        newCallbackPriority !== InputDiscreteLanePriority
+      ) {
+        console.error(
+          'Expected scheduled callback to exist. This error is likely caused by a bug in React. Please file an issue.',
+        );
+      }
     }
     // The priority hasn't changed. We can reuse the existing task. Exit.
     return;