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518ce9c25f
We really needed this for Flight before as well but we got away with it because Blocks were lazy but with the removal of Blocks, we'll need this to ensure that we can lazily stream in part of the content. Luckily LazyComponent isn't really just a Component. It's just a generic type that can resolve into anything kind of like a Promise. So we can use that to resolve elements just like we can components. This allows keys and props to become lazy as well. To accomplish this, we suspend during reconciliation. This causes us to not be able to render siblings because we don't know if the keys will reconcile. For initial render we could probably special case this and just render a lazy component fiber. Throwing in reconciliation didn't work correctly with direct nested siblings of a Suspense boundary before but it does now so it depends on new reconciler.
56 lines
2.4 KiB
JavaScript
56 lines
2.4 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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*/
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import typeof * as FeatureFlagsType from 'shared/ReactFeatureFlags';
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import typeof * as ExportsType from './ReactFeatureFlags.native-fb';
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// The rest of the flags are static for better dead code elimination.
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export const enableDebugTracing = false;
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export const enableProfilerTimer = __PROFILE__;
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export const enableProfilerCommitHooks = false;
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export const enableSchedulerTracing = __PROFILE__;
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export const enableSuspenseServerRenderer = false;
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export const enableSelectiveHydration = false;
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export const enableBlocksAPI = false;
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export const enableLazyElements = false;
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export const enableSchedulerDebugging = false;
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export const debugRenderPhaseSideEffectsForStrictMode = true;
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export const disableJavaScriptURLs = false;
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export const disableInputAttributeSyncing = false;
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export const replayFailedUnitOfWorkWithInvokeGuardedCallback = __DEV__;
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export const warnAboutDeprecatedLifecycles = true;
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export const enableDeprecatedFlareAPI = false;
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export const enableFundamentalAPI = false;
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export const enableScopeAPI = false;
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export const enableCreateEventHandleAPI = false;
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export const warnAboutUnmockedScheduler = true;
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export const enableSuspenseCallback = false;
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export const warnAboutDefaultPropsOnFunctionComponents = false;
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export const warnAboutStringRefs = false;
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export const disableLegacyContext = false;
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export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
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export const enableTrustedTypesIntegration = false;
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export const disableTextareaChildren = false;
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export const disableModulePatternComponents = false;
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export const warnUnstableRenderSubtreeIntoContainer = false;
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export const enableModernEventSystem = false;
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export const warnAboutSpreadingKeyToJSX = false;
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export const enableComponentStackLocations = false;
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export const enableLegacyFBSupport = false;
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export const enableFilterEmptyStringAttributesDOM = false;
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export const enableNewReconciler = false;
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export const deferRenderPhaseUpdateToNextBatch = true;
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// Flow magic to verify the exports of this file match the original version.
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// eslint-disable-next-line no-unused-vars
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type Check<_X, Y: _X, X: Y = _X> = null;
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// eslint-disable-next-line no-unused-expressions
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(null: Check<ExportsType, FeatureFlagsType>);
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