Fix UMD builds by re-exporting the scheduler priorities (#14914)

Author: gaearon

packages/react/src/ReactSharedInternals.js

@@ -18,6 +18,11 @@ import {
  unstable_continueExecution,
  unstable_wrapCallback,
  unstable_getCurrentPriorityLevel,
+ unstable_IdlePriority,
+ unstable_ImmediatePriority,
+ unstable_LowPriority,
+ unstable_NormalPriority,
+ unstable_UserBlockingPriority,
 } from 'scheduler';
 import {
  __interactionsRef,
@@ -60,6 +65,11 @@ if (__UMD__) {
  unstable_pauseExecution,
  unstable_continueExecution,
  unstable_getCurrentPriorityLevel,
+ unstable_IdlePriority,
+ unstable_ImmediatePriority,
+ unstable_LowPriority,
+ unstable_NormalPriority,
+ unstable_UserBlockingPriority,
  },
  SchedulerTracing: {
  __interactionsRef,

packages/scheduler/npm/umd/scheduler.development.js

@@ -108,5 +108,25 @@
  unstable_continueExecution: unstable_continueExecution,
  unstable_pauseExecution: unstable_pauseExecution,
  unstable_getFirstCallbackNode: unstable_getFirstCallbackNode,
+ get unstable_IdlePriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_IdlePriority;
+ },
+ get unstable_ImmediatePriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_ImmediatePriority;
+ },
+ get unstable_LowPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_LowPriority;
+ },
+ get unstable_NormalPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_NormalPriority;
+ },
+ get unstable_UserBlockingPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_UserBlockingPriority;
+ },
  });
 });

packages/scheduler/npm/umd/scheduler.production.min.js

@@ -102,5 +102,25 @@
  unstable_continueExecution: unstable_continueExecution,
  unstable_pauseExecution: unstable_pauseExecution,
  unstable_getFirstCallbackNode: unstable_getFirstCallbackNode,
+ get unstable_IdlePriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_IdlePriority;
+ },
+ get unstable_ImmediatePriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_ImmediatePriority;
+ },
+ get unstable_LowPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_LowPriority;
+ },
+ get unstable_NormalPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_NormalPriority;
+ },
+ get unstable_UserBlockingPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_UserBlockingPriority;
+ },
  });
 });

packages/scheduler/npm/umd/scheduler.profiling.min.js

@@ -102,5 +102,25 @@
  unstable_continueExecution: unstable_continueExecution,
  unstable_pauseExecution: unstable_pauseExecution,
  unstable_getFirstCallbackNode: unstable_getFirstCallbackNode,
+ get unstable_IdlePriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_IdlePriority;
+ },
+ get unstable_ImmediatePriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_ImmediatePriority;
+ },
+ get unstable_LowPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_LowPriority;
+ },
+ get unstable_NormalPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_NormalPriority;
+ },
+ get unstable_UserBlockingPriority() {
+ return global.React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+ .Scheduler.unstable_UserBlockingPriority;
+ },
  });
 });

packages/scheduler/src/__tests__/SchedulerUMDBundle-test.internal.js

@@ -17,8 +17,17 @@ describe('Scheduling UMD bundle', () => {
  });
 
  function filterPrivateKeys(name) {
- // TODO: Figure out how to forward priority levels.
- return !name.startsWith('_') && !name.endsWith('Priority');
+ // Be very careful adding things to this whitelist!
+ // It's easy to introduce bugs by doing it:
+ // https://github.com/facebook/react/issues/14904
+ switch (name) {
+ case '__interactionsRef':
+ case '__subscriberRef':
+ // Don't forward these. (TODO: why?)
+ return false;
+ default:
+ return true;
+ }
  }
 
  function validateForwardedAPIs(api, forwardedAPIs) {