{"body":"* implicit-inexact-object=error\r\n* default everything ambiguous to exact object\r\n* inexact where exact causes errors","files":[{"status":"M","path":"packages\/react-client\/src\/ReactFlightClient.js"},{"status":"M","path":"packages\/react-client\/src\/ReactFlightClientHostConfigStream.js"},{"status":"M","path":"packages\/react-debug-tools\/src\/ReactDebugHooks.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/Logger.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/backend\/console.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/constants.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/useContextMenu.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementErrorsAndWarningsTree.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/HoveredFiberInfo.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitList.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/hook.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/hooks\/astUtils.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/inspectedElementCache.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeGrid.js"},{"status":"M","path":"packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeList.js"},{"status":"M","path":"packages\/react-devtools-timeline\/src\/CanvasPage.js"},{"status":"M","path":"packages\/react-devtools-timeline\/src\/types.js"},{"status":"M","path":"packages\/react-devtools-timeline\/src\/utils\/useSmartTooltip.js"},{"status":"M","path":"packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizableView.js"},{"status":"M","path":"packages\/react-devtools-timeline\/src\/view-base\/utils\/scrollState.js"},{"status":"M","path":"packages\/react-dom\/src\/client\/ReactDOMHostConfig.js"},{"status":"M","path":"packages\/react-dom\/src\/events\/ReactSyntheticEventType.js"},{"status":"M","path":"packages\/react-dom\/src\/events\/SyntheticEvent.js"},{"status":"M","path":"packages\/react-dom\/src\/server\/ReactDOMFizzServerBrowser.js"},{"status":"M","path":"packages\/react-dom\/src\/server\/ReactDOMLegacyServerBrowser.js"},{"status":"M","path":"packages\/react-dom\/src\/server\/ReactDOMLegacyServerImpl.js"},{"status":"M","path":"packages\/react-dom\/src\/server\/ReactDOMLegacyServerNode.js"},{"status":"M","path":"packages\/react-dom\/src\/server\/ReactDOMLegacyServerNodeStream.js"},{"status":"M","path":"packages\/react-dom\/src\/server\/ReactDOMServerFormatConfig.js"},{"status":"M","path":"packages\/react-dom\/src\/server\/ReactDOMServerLegacyFormatConfig.js"},{"status":"M","path":"packages\/react-fs\/src\/ReactFilesystem.js"},{"status":"M","path":"packages\/react-interactions\/events\/src\/dom\/create-event-handle\/Focus.js"},{"status":"M","path":"packages\/react-native-renderer\/src\/ReactFabricHostConfig.js"},{"status":"M","path":"packages\/react-native-renderer\/src\/ReactNativeTypes.js"},{"status":"M","path":"packages\/react-native-renderer\/src\/legacy-events\/PluginModuleType.js"},{"status":"M","path":"packages\/react-native-renderer\/src\/server\/ReactNativeServerFormatConfig.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.new.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.old.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberHiddenContext.new.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberHiddenContext.old.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberHooks.new.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberHooks.old.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberRoot.new.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberRoot.old.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.new.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.old.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberTreeContext.new.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactFiberTreeContext.old.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactInternalTypes.js"},{"status":"M","path":"packages\/react-reconciler\/src\/ReactTestSelectors.js"},{"status":"M","path":"packages\/react-server-dom-relay\/src\/ReactDOMServerFB.js"},{"status":"M","path":"packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayClient.js"},{"status":"M","path":"packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayProtocol.js"},{"status":"M","path":"packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServer.js"},{"status":"M","path":"packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServerHostConfig.js"},{"status":"M","path":"packages\/react-server-dom-relay\/src\/ReactServerStreamConfigFB.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightClientWebpackBundlerConfig.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightDOMClient.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerBrowser.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerNode.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightServerWebpackBundlerConfig.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeLoader.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeRegister.js"},{"status":"M","path":"packages\/react-server-dom-webpack\/src\/ReactFlightWebpackPlugin.js"},{"status":"M","path":"packages\/react-server-native-relay\/src\/ReactFlightNativeRelayClient.js"},{"status":"M","path":"packages\/react-server-native-relay\/src\/ReactFlightNativeRelayProtocol.js"},{"status":"M","path":"packages\/react-server-native-relay\/src\/ReactFlightNativeRelayServerHostConfig.js"},{"status":"M","path":"packages\/react-server\/src\/ReactFizzClassComponent.js"},{"status":"M","path":"packages\/react-server\/src\/ReactFizzComponentStack.js"},{"status":"M","path":"packages\/react-server\/src\/ReactFizzNewContext.js"},{"status":"M","path":"packages\/react-server\/src\/ReactFizzServer.js"},{"status":"M","path":"packages\/react-server\/src\/ReactFizzTreeContext.js"},{"status":"M","path":"packages\/react-server\/src\/ReactFlightNewContext.js"},{"status":"M","path":"packages\/react-server\/src\/ReactFlightServer.js"},{"status":"M","path":"packages\/react\/src\/ReactChildren.js"},{"status":"M","path":"packages\/react\/src\/ReactCurrentBatchConfig.js"},{"status":"M","path":"packages\/react\/src\/ReactLazy.js"},{"status":"M","path":"packages\/scheduler\/src\/forks\/SchedulerPostTask.js"},{"status":"M","path":"packages\/shared\/ReactTypes.js"},{"status":"M","path":"scripts\/flow\/config\/flowconfig"},{"status":"M","path":"scripts\/flow\/environment.js"},{"status":"M","path":"scripts\/flow\/react-native-host-hooks.js"},{"status":"M","path":"scripts\/flow\/react-relay-hooks.js"}],"patch":"diff --git a\/packages\/react-client\/src\/ReactFlightClient.js b\/packages\/react-client\/src\/ReactFlightClient.js\nindex d6ae368abf..584639921e 100644\n--- a\/packages\/react-client\/src\/ReactFlightClient.js\n+++ b\/packages\/react-client\/src\/ReactFlightClient.js\n@@ -34,7 +34,7 @@ export type JSONValue =\n | null\n | boolean\n | string\n- | {+[key: string]: JSONValue}\n+ | {|+[key: string]: JSONValue|}\n | $ReadOnlyArray;\n \n const PENDING = 0;\n@@ -43,36 +43,36 @@ const RESOLVED_MODULE = 2;\n const INITIALIZED = 3;\n const ERRORED = 4;\n \n-type PendingChunk = {\n+type PendingChunk = {|\n _status: 0,\n _value: null | Array<() => mixed>,\n _response: Response,\n then(resolve: () => mixed): void,\n-};\n-type ResolvedModelChunk = {\n+|};\n+type ResolvedModelChunk = {|\n _status: 1,\n _value: UninitializedModel,\n _response: Response,\n then(resolve: () => mixed): void,\n-};\n-type ResolvedModuleChunk = {\n+|};\n+type ResolvedModuleChunk = {|\n _status: 2,\n _value: ModuleReference,\n _response: Response,\n then(resolve: () => mixed): void,\n-};\n-type InitializedChunk = {\n+|};\n+type InitializedChunk = {|\n _status: 3,\n _value: T,\n _response: Response,\n then(resolve: () => mixed): void,\n-};\n-type ErroredChunk = {\n+|};\n+type ErroredChunk = {|\n _status: 4,\n _value: Error,\n _response: Response,\n then(resolve: () => mixed): void,\n-};\n+|};\n type SomeChunk =\n | PendingChunk\n | ResolvedModelChunk\n@@ -129,10 +129,12 @@ function readRoot(): T {\n }\n \n function createPendingChunk(response: Response): PendingChunk {\n+ \/\/ $FlowFixMe Flow doesn't support functions as constructors\n return new Chunk(PENDING, null, response);\n }\n \n function createErrorChunk(response: Response, error: Error): ErroredChunk {\n+ \/\/ $FlowFixMe Flow doesn't support functions as constructors\n return new Chunk(ERRORED, error, response);\n }\n \n@@ -140,6 +142,7 @@ function createInitializedChunk(\n response: Response,\n value: T,\n ): InitializedChunk {\n+ \/\/ $FlowFixMe Flow doesn't support functions as constructors\n return new Chunk(INITIALIZED, value, response);\n }\n \n@@ -168,6 +171,7 @@ function createResolvedModelChunk(\n response: Response,\n value: UninitializedModel,\n ): ResolvedModelChunk {\n+ \/\/ $FlowFixMe Flow doesn't support functions as constructors\n return new Chunk(RESOLVED_MODEL, value, response);\n }\n \n@@ -175,6 +179,7 @@ function createResolvedModuleChunk(\n response: Response,\n value: ModuleReference,\n ): ResolvedModuleChunk {\n+ \/\/ $FlowFixMe Flow doesn't support functions as constructors\n return new Chunk(RESOLVED_MODULE, value, response);\n }\n \n@@ -333,7 +338,7 @@ export function parseModelString(\n \n export function parseModelTuple(\n response: Response,\n- value: {+[key: string]: JSONValue} | $ReadOnlyArray,\n+ value: {|+[key: string]: JSONValue|} | $ReadOnlyArray,\n ): any {\n const tuple: [mixed, mixed, mixed, mixed] = (value: any);\n \ndiff --git a\/packages\/react-client\/src\/ReactFlightClientHostConfigStream.js b\/packages\/react-client\/src\/ReactFlightClientHostConfigStream.js\nindex 2005e8a98a..d56e5d4312 100644\n--- a\/packages\/react-client\/src\/ReactFlightClientHostConfigStream.js\n+++ b\/packages\/react-client\/src\/ReactFlightClientHostConfigStream.js\n@@ -10,11 +10,11 @@\n import type {ResponseBase} from '.\/ReactFlightClient';\n import type {StringDecoder} from '.\/ReactFlightClientHostConfig';\n \n-export type Response = ResponseBase & {\n+export type Response = ResponseBase & {|\n _partialRow: string,\n _fromJSON: (key: string, value: JSONValue) => any,\n _stringDecoder: StringDecoder,\n-};\n+|};\n \n export type UninitializedModel = string;\n \ndiff --git a\/packages\/react-debug-tools\/src\/ReactDebugHooks.js b\/packages\/react-debug-tools\/src\/ReactDebugHooks.js\nindex 7cfb576fad..68305e4a93 100644\n--- a\/packages\/react-debug-tools\/src\/ReactDebugHooks.js\n+++ b\/packages\/react-debug-tools\/src\/ReactDebugHooks.js\n@@ -51,10 +51,10 @@ type Dispatch = A => void;\n \n let primitiveStackCache: null | Map> = null;\n \n-type Hook = {\n+type Hook = {|\n memoizedState: any,\n next: Hook | null,\n-};\n+|};\n \n function getPrimitiveStackCache(): Map> {\n \/\/ This initializes a cache of all primitive hooks so that the top\n@@ -371,12 +371,12 @@ const DispatcherProxy = new Proxy(Dispatcher, DispatcherProxyHandler);\n \n \/\/ Inspect\n \n-export type HookSource = {\n+export type HookSource = {|\n lineNumber: number | null,\n columnNumber: number | null,\n fileName: string | null,\n functionName: string | null,\n-};\n+|};\n \n export type HooksNode = {\n id: number | null,\ndiff --git a\/packages\/react-devtools-shared\/src\/Logger.js b\/packages\/react-devtools-shared\/src\/Logger.js\nindex ddf60f8fd7..6ddb40f0a9 100644\n--- a\/packages\/react-devtools-shared\/src\/Logger.js\n+++ b\/packages\/react-devtools-shared\/src\/Logger.js\n@@ -34,24 +34,24 @@ export type LoggerEvent =\n |}\n | {|\n +event_name: 'select-element',\n- +metadata: {\n+ +metadata: {|\n +source: string,\n- },\n+ |},\n |}\n | {|\n +event_name: 'inspect-element-button-clicked',\n |}\n | {|\n +event_name: 'profiling-start',\n- +metadata: {\n+ +metadata: {|\n +current_tab: string,\n- },\n+ |},\n |}\n | {|\n +event_name: 'profiler-tab-changed',\n- +metadata: {\n+ +metadata: {|\n +tabId: string,\n- },\n+ |},\n |}\n | {|\n +event_name: 'settings-changed',\ndiff --git a\/packages\/react-devtools-shared\/src\/backend\/console.js b\/packages\/react-devtools-shared\/src\/backend\/console.js\nindex ee802f8ea4..03c36c14dc 100644\n--- a\/packages\/react-devtools-shared\/src\/backend\/console.js\n+++ b\/packages\/react-devtools-shared\/src\/backend\/console.js\n@@ -151,13 +151,13 @@ export function patch({\n showInlineWarningsAndErrors,\n hideConsoleLogsInStrictMode,\n browserTheme,\n-}: {\n+}: {|\n appendComponentStack: boolean,\n breakOnConsoleErrors: boolean,\n showInlineWarningsAndErrors: boolean,\n hideConsoleLogsInStrictMode: boolean,\n browserTheme: BrowserTheme,\n-}): void {\n+|}): void {\n \/\/ Settings may change after we've patched the console.\n \/\/ Using a shared ref allows the patch function to read the latest values.\n consoleSettingsRef.appendComponentStack = appendComponentStack;\ndiff --git a\/packages\/react-devtools-shared\/src\/constants.js b\/packages\/react-devtools-shared\/src\/constants.js\nindex 2406f4876d..8853e46f24 100644\n--- a\/packages\/react-devtools-shared\/src\/constants.js\n+++ b\/packages\/react-devtools-shared\/src\/constants.js\n@@ -79,7 +79,7 @@ import type {\n DisplayDensity,\n } from '.\/devtools\/views\/Settings\/SettingsContext';\n \n-export const THEME_STYLES: {[style: Theme | DisplayDensity]: any} = {\n+export const THEME_STYLES: {[style: Theme | DisplayDensity]: any, ...} = {\n light: {\n '--color-attribute-name': '#ef6632',\n '--color-attribute-name-not-editable': '#23272f',\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/useContextMenu.js b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/useContextMenu.js\nindex 150cb0766f..3493c55615 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/useContextMenu.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/useContextMenu.js\n@@ -22,7 +22,7 @@ export default function useContextMenu({\n data: Object,\n id: string,\n onChange?: OnChangeFn,\n- ref: {current: ElementRef<*> | null},\n+ ref: {|current: ElementRef<*> | null|},\n |}) {\n const {showMenu} = useContext(RegistryContext);\n \ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementErrorsAndWarningsTree.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementErrorsAndWarningsTree.js\nindex 7f7be4677e..d45126c359 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementErrorsAndWarningsTree.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementErrorsAndWarningsTree.js\n@@ -119,7 +119,7 @@ type TreeProps = {|\n badgeClassName: string,\n actions: React$Node,\n className: string,\n- clearMessages: () => {},\n+ clearMessages: () => void,\n entries: Array<[string, number]>,\n isTransitionPending: boolean,\n label: string,\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/HoveredFiberInfo.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/HoveredFiberInfo.js\nindex 0dd5d67b2a..cc3989c7b4 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/HoveredFiberInfo.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/HoveredFiberInfo.js\n@@ -23,9 +23,9 @@ export type TooltipFiberData = {|\n name: string,\n |};\n \n-export type Props = {\n+export type Props = {|\n fiberData: ChartNode,\n-};\n+|};\n \n export default function HoveredFiberInfo({fiberData}: Props) {\n const {profilerStore} = useContext(StoreContext);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitList.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitList.js\nindex 2b837f28f6..56f62e01c5 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitList.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitList.js\n@@ -82,11 +82,11 @@ type ListProps = {|\n width: number,\n |};\n \n-type DragState = {\n+type DragState = {|\n commitIndex: number,\n left: number,\n sizeIncrement: number,\n-};\n+|};\n \n function List({\n commitData,\ndiff --git a\/packages\/react-devtools-shared\/src\/hook.js b\/packages\/react-devtools-shared\/src\/hook.js\nindex 29cdea1e2b..4ed128ba9d 100644\n--- a\/packages\/react-devtools-shared\/src\/hook.js\n+++ b\/packages\/react-devtools-shared\/src\/hook.js\n@@ -224,10 +224,10 @@ export function installHook(target: any): DevToolsHook | null {\n function patchConsoleForInitialRenderInStrictMode({\n hideConsoleLogsInStrictMode,\n browserTheme,\n- }: {\n+ }: {|\n hideConsoleLogsInStrictMode: boolean,\n browserTheme: BrowserTheme,\n- }) {\n+ |}) {\n const overrideConsoleMethods = [\n 'error',\n 'group',\ndiff --git a\/packages\/react-devtools-shared\/src\/hooks\/astUtils.js b\/packages\/react-devtools-shared\/src\/hooks\/astUtils.js\nindex 27db408c05..8d3c5e2fa2 100644\n--- a\/packages\/react-devtools-shared\/src\/hooks\/astUtils.js\n+++ b\/packages\/react-devtools-shared\/src\/hooks\/astUtils.js\n@@ -18,11 +18,11 @@ export type Position = {|\n column: number,\n |};\n \n-export type SourceFileASTWithHookDetails = {\n+export type SourceFileASTWithHookDetails = {|\n sourceFileAST: File,\n line: number,\n source: string,\n-};\n+|};\n \n export const NO_HOOK_NAME = '';\n \ndiff --git a\/packages\/react-devtools-shared\/src\/inspectedElementCache.js b\/packages\/react-devtools-shared\/src\/inspectedElementCache.js\nindex b7f08ffa52..b1f8204058 100644\n--- a\/packages\/react-devtools-shared\/src\/inspectedElementCache.js\n+++ b\/packages\/react-devtools-shared\/src\/inspectedElementCache.js\n@@ -168,12 +168,12 @@ export function checkForUpdate({\n element,\n refresh,\n store,\n-}: {\n+}: {|\n bridge: FrontendBridge,\n element: Element,\n refresh: RefreshFunction,\n store: Store,\n-}): void {\n+|}): void {\n const {id} = element;\n const rendererID = store.getRendererIDForElement(id);\n if (rendererID != null) {\ndiff --git a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeGrid.js b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeGrid.js\nindex 46d59521f1..2ce4f2d9a0 100644\n--- a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeGrid.js\n+++ b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeGrid.js\n@@ -19,7 +19,7 @@ type ItemMetadata = {|\n offset: number,\n size: number,\n |};\n-type ItemMetadataMap = { [index: number]: ItemMetadata };\n+type ItemMetadataMap = { [index: number]: ItemMetadata, ... };\n type InstanceProps = {|\n columnMetadataMap: ItemMetadataMap,\n estimatedColumnWidth: number,\ndiff --git a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeList.js b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeList.js\nindex f4ad103231..887641b010 100644\n--- a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeList.js\n+++ b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/VariableSizeList.js\n@@ -18,7 +18,7 @@ type ItemMetadata = {|\n size: number,\n |};\n type InstanceProps = {|\n- itemMetadataMap: { [index: number]: ItemMetadata },\n+ itemMetadataMap: { [index: number]: ItemMetadata, ... },\n estimatedItemSize: number,\n lastMeasuredIndex: number,\n |};\ndiff --git a\/packages\/react-devtools-timeline\/src\/CanvasPage.js b\/packages\/react-devtools-timeline\/src\/CanvasPage.js\nindex 3abc8ea7a3..273b67bed1 100644\n--- a\/packages\/react-devtools-timeline\/src\/CanvasPage.js\n+++ b\/packages\/react-devtools-timeline\/src\/CanvasPage.js\n@@ -80,7 +80,7 @@ function CanvasPage({profilerData, viewState}: Props) {\n className={styles.CanvasPage}\n style={{backgroundColor: COLORS.BACKGROUND}}>\n \n- {({height, width}: {height: number, width: number}) => (\n+ {({height, width}: {|height: number, width: number|}) => (\n = Return_<*, T>;\n \n \/\/ Project types\n \n-export type ErrorStackFrame = {\n+export type ErrorStackFrame = {|\n fileName: string,\n lineNumber: number,\n columnNumber: number,\n-};\n+|};\n \n export type Milliseconds = number;\n \ndiff --git a\/packages\/react-devtools-timeline\/src\/utils\/useSmartTooltip.js b\/packages\/react-devtools-timeline\/src\/utils\/useSmartTooltip.js\nindex 16cdec365f..2a36396b8f 100644\n--- a\/packages\/react-devtools-timeline\/src\/utils\/useSmartTooltip.js\n+++ b\/packages\/react-devtools-timeline\/src\/utils\/useSmartTooltip.js\n@@ -16,11 +16,11 @@ export default function useSmartTooltip({\n canvasRef,\n mouseX,\n mouseY,\n-}: {\n+}: {|\n canvasRef: {|current: HTMLCanvasElement | null|},\n mouseX: number,\n mouseY: number,\n-}) {\n+|}) {\n const ref = useRef(null);\n \n \/\/ HACK: Browser extension reports window.innerHeight of 0,\ndiff --git a\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizableView.js b\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizableView.js\nindex b56422f715..36b8f201e4 100644\n--- a\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizableView.js\n+++ b\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizableView.js\n@@ -47,7 +47,7 @@ const HIDDEN_RECT = {\n };\n \n export class ResizableView extends View {\n- _canvasRef: {current: HTMLCanvasElement | null};\n+ _canvasRef: {|current: HTMLCanvasElement | null|};\n _layoutState: LayoutState;\n _mutableViewStateKey: string;\n _resizeBar: ResizeBarView;\n@@ -60,7 +60,7 @@ export class ResizableView extends View {\n frame: Rect,\n subview: View,\n viewState: ViewState,\n- canvasRef: {current: HTMLCanvasElement | null},\n+ canvasRef: {|current: HTMLCanvasElement | null|},\n label: string,\n ) {\n super(surface, frame, noopLayout);\ndiff --git a\/packages\/react-devtools-timeline\/src\/view-base\/utils\/scrollState.js b\/packages\/react-devtools-timeline\/src\/view-base\/utils\/scrollState.js\nindex 9e9bdb4919..8089c81e31 100644\n--- a\/packages\/react-devtools-timeline\/src\/view-base\/utils\/scrollState.js\n+++ b\/packages\/react-devtools-timeline\/src\/view-base\/utils\/scrollState.js\n@@ -35,12 +35,12 @@ function clampLength({\n minContentLength,\n maxContentLength,\n containerLength,\n-}: {\n+}: {|\n state: ScrollState,\n minContentLength: number,\n maxContentLength: number,\n containerLength: number,\n-}): ScrollState {\n+|}): ScrollState {\n return {\n offset: state.offset,\n length: clamp(\n@@ -62,12 +62,12 @@ export function clampState({\n minContentLength,\n maxContentLength,\n containerLength,\n-}: {\n+}: {|\n state: ScrollState,\n minContentLength: number,\n maxContentLength: number,\n containerLength: number,\n-}): ScrollState {\n+|}): ScrollState {\n return clampOffset(\n clampLength({\n state,\n@@ -83,11 +83,11 @@ export function translateState({\n state,\n delta,\n containerLength,\n-}: {\n+}: {|\n state: ScrollState,\n delta: number,\n containerLength: number,\n-}): ScrollState {\n+|}): ScrollState {\n return clampOffset(\n {\n offset: state.offset + delta,\n@@ -119,7 +119,7 @@ export function zoomState({\n minContentLength,\n maxContentLength,\n containerLength,\n-}: {\n+}: {|\n state: ScrollState,\n multiplier: number,\n fixedPoint: number,\n@@ -127,7 +127,7 @@ export function zoomState({\n minContentLength: number,\n maxContentLength: number,\n containerLength: number,\n-}): ScrollState {\n+|}): ScrollState {\n \/\/ Length and offset must be computed separately, so that if the length is\n \/\/ clamped the offset will still be correct (unless it gets clamped too).\n \n@@ -164,7 +164,7 @@ export function moveStateToRange({\n minContentLength,\n maxContentLength,\n containerLength,\n-}: {\n+}: {|\n state: ScrollState,\n rangeStart: number,\n rangeEnd: number,\n@@ -173,7 +173,7 @@ export function moveStateToRange({\n minContentLength: number,\n maxContentLength: number,\n containerLength: number,\n-}): ScrollState {\n+|}): ScrollState {\n \/\/ Length and offset must be computed separately, so that if the length is\n \/\/ clamped the offset will still be correct (unless it gets clamped too).\n \ndiff --git a\/packages\/react-dom\/src\/client\/ReactDOMHostConfig.js b\/packages\/react-dom\/src\/client\/ReactDOMHostConfig.js\nindex 5264630676..11f527ad58 100644\n--- a\/packages\/react-dom\/src\/client\/ReactDOMHostConfig.js\n+++ b\/packages\/react-dom\/src\/client\/ReactDOMHostConfig.js\n@@ -733,7 +733,7 @@ export function isSuspenseInstanceFallback(instance: SuspenseInstance) {\n \n export function getSuspenseInstanceFallbackErrorDetails(\n instance: SuspenseInstance,\n-): {digest: ?string, message?: string, stack?: string} {\n+): {|digest: ?string, message?: string, stack?: string|} {\n const dataset =\n instance.nextSibling && ((instance.nextSibling: any): HTMLElement).dataset;\n let digest, message, stack;\n@@ -1320,10 +1320,10 @@ export function setFocusIfFocusable(node: Instance): boolean {\n return didFocus;\n }\n \n-type RectRatio = {\n+type RectRatio = {|\n ratio: number,\n rect: BoundingRect,\n-};\n+|};\n \n export function setupIntersectionObserver(\n targets: Array,\ndiff --git a\/packages\/react-dom\/src\/events\/ReactSyntheticEventType.js b\/packages\/react-dom\/src\/events\/ReactSyntheticEventType.js\nindex d92777a75c..92ab3f94c5 100644\n--- a\/packages\/react-dom\/src\/events\/ReactSyntheticEventType.js\n+++ b\/packages\/react-dom\/src\/events\/ReactSyntheticEventType.js\n@@ -20,7 +20,7 @@ export type DispatchConfig = {|\n registrationName?: string,\n |};\n \n-type BaseSyntheticEvent = {\n+type BaseSyntheticEvent = {|\n isPersistent: () => boolean,\n isPropagationStopped: () => boolean,\n _dispatchInstances?: null | Array | Fiber,\n@@ -31,14 +31,14 @@ type BaseSyntheticEvent = {\n relatedTarget?: mixed,\n type: string,\n currentTarget: null | EventTarget,\n-};\n+|};\n \n-export type KnownReactSyntheticEvent = BaseSyntheticEvent & {\n+export type KnownReactSyntheticEvent = BaseSyntheticEvent & {|\n _reactName: string,\n-};\n-export type UnknownReactSyntheticEvent = BaseSyntheticEvent & {\n+|};\n+export type UnknownReactSyntheticEvent = BaseSyntheticEvent & {|\n _reactName: null,\n-};\n+|};\n \n export type ReactSyntheticEvent =\n | KnownReactSyntheticEvent\ndiff --git a\/packages\/react-dom\/src\/events\/SyntheticEvent.js b\/packages\/react-dom\/src\/events\/SyntheticEvent.js\nindex 2c61b9a42e..0da906d712 100644\n--- a\/packages\/react-dom\/src\/events\/SyntheticEvent.js\n+++ b\/packages\/react-dom\/src\/events\/SyntheticEvent.js\n@@ -13,7 +13,8 @@ import assign from 'shared\/assign';\n import getEventCharCode from '.\/getEventCharCode';\n \n type EventInterfaceType = {\n- [propName: string]: 0 | ((event: {[propName: string]: mixed}) => mixed),\n+ [propName: string]: 0 | ((event: {[propName: string]: mixed, ...}) => mixed),\n+ ...,\n };\n \n function functionThatReturnsTrue() {\n@@ -44,7 +45,7 @@ function createSyntheticEvent(Interface: EventInterfaceType) {\n reactName: string | null,\n reactEventType: string,\n targetInst: Fiber,\n- nativeEvent: {[propName: string]: mixed},\n+ nativeEvent: {[propName: string]: mixed, ...},\n nativeEventTarget: null | EventTarget,\n ) {\n this._reactName = reactName;\ndiff --git a\/packages\/react-dom\/src\/server\/ReactDOMFizzServerBrowser.js b\/packages\/react-dom\/src\/server\/ReactDOMFizzServerBrowser.js\nindex 25920232e8..953c31602f 100644\n--- a\/packages\/react-dom\/src\/server\/ReactDOMFizzServerBrowser.js\n+++ b\/packages\/react-dom\/src\/server\/ReactDOMFizzServerBrowser.js\n@@ -37,9 +37,9 @@ type Options = {|\n |};\n \n \/\/ TODO: Move to sub-classing ReadableStream.\n-type ReactDOMServerReadableStream = ReadableStream & {\n+type ReactDOMServerReadableStream = ReadableStream & {|\n allReady: Promise,\n-};\n+|};\n \n function renderToReadableStream(\n children: ReactNodeList,\ndiff --git a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerBrowser.js b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerBrowser.js\nindex 71786e4b50..f1ca01de6b 100644\n--- a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerBrowser.js\n+++ b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerBrowser.js\n@@ -11,9 +11,9 @@ import type {ReactNodeList} from 'shared\/ReactTypes';\n \n import {version, renderToStringImpl} from '.\/ReactDOMLegacyServerImpl';\n \n-type ServerOptions = {\n+type ServerOptions = {|\n identifierPrefix?: string,\n-};\n+|};\n \n function renderToString(\n children: ReactNodeList,\ndiff --git a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerImpl.js b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerImpl.js\nindex 504201f3c2..acb0a3c1c0 100644\n--- a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerImpl.js\n+++ b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerImpl.js\n@@ -23,9 +23,9 @@ import {\n createRootFormatContext,\n } from '.\/ReactDOMServerLegacyFormatConfig';\n \n-type ServerOptions = {\n+type ServerOptions = {|\n identifierPrefix?: string,\n-};\n+|};\n \n function onError() {\n \/\/ Non-fatal errors are ignored.\ndiff --git a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNode.js b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNode.js\nindex 20e89de8b4..7c38c23101 100644\n--- a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNode.js\n+++ b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNode.js\n@@ -15,9 +15,9 @@ import {\n renderToStaticNodeStream,\n } from '.\/ReactDOMLegacyServerNodeStream';\n \n-type ServerOptions = {\n+type ServerOptions = {|\n identifierPrefix?: string,\n-};\n+|};\n \n function renderToString(\n children: ReactNodeList,\ndiff --git a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNodeStream.js b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNodeStream.js\nindex 25b88156e0..28bfadd240 100644\n--- a\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNodeStream.js\n+++ b\/packages\/react-dom\/src\/server\/ReactDOMLegacyServerNodeStream.js\n@@ -25,9 +25,9 @@ import {\n \n import {Readable} from 'stream';\n \n-type ServerOptions = {\n+type ServerOptions = {|\n identifierPrefix?: string,\n-};\n+|};\n \n class ReactMarkupReadableStream extends Readable {\n request: Request;\ndiff --git a\/packages\/react-dom\/src\/server\/ReactDOMServerFormatConfig.js b\/packages\/react-dom\/src\/server\/ReactDOMServerFormatConfig.js\nindex c30d967326..b24edf264c 100644\n--- a\/packages\/react-dom\/src\/server\/ReactDOMServerFormatConfig.js\n+++ b\/packages\/react-dom\/src\/server\/ReactDOMServerFormatConfig.js\n@@ -105,10 +105,10 @@ const scriptRegex = \/(<\\\/|<)(s)(cript)\/gi;\n const scriptReplacer = (match, prefix, s, suffix) =>\n `${prefix}${s === 's' ? '\\\\u0073' : '\\\\u0053'}${suffix}`;\n \n-export type BootstrapScriptDescriptor = {\n+export type BootstrapScriptDescriptor = {|\n src: string,\n integrity?: string,\n-};\n+|};\n \/\/ Allows us to keep track of what we've already written so we can refer back to it.\n export function createResponseState(\n identifierPrefix: string | void,\n@@ -203,10 +203,10 @@ const HTML_COLGROUP_MODE = 7;\n type InsertionMode = 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7;\n \n \/\/ Lets us keep track of contextual state and pick it back up after suspending.\n-export type FormatContext = {\n+export type FormatContext = {|\n insertionMode: InsertionMode, \/\/ root\/svg\/html\/mathml\/table\n selectedValue: null | string | Array, \/\/ the selected value(s) inside a \n-};\n+|};\n \n function createFormatContext(\n insertionMode: InsertionMode,\ndiff --git a\/packages\/react-dom\/src\/server\/ReactDOMServerLegacyFormatConfig.js b\/packages\/react-dom\/src\/server\/ReactDOMServerLegacyFormatConfig.js\nindex 375562e80b..29a4793c96 100644\n--- a\/packages\/react-dom\/src\/server\/ReactDOMServerLegacyFormatConfig.js\n+++ b\/packages\/react-dom\/src\/server\/ReactDOMServerLegacyFormatConfig.js\n@@ -28,7 +28,7 @@ import type {\n \n export const isPrimaryRenderer = false;\n \n-export type ResponseState = {\n+export type ResponseState = {|\n \/\/ Keep this in sync with ReactDOMServerFormatConfig\n bootstrapChunks: Array,\n startInlineScript: PrecomputedChunk,\n@@ -42,7 +42,7 @@ export type ResponseState = {\n sentClientRenderFunction: boolean,\n \/\/ This is an extra field for the legacy renderer\n generateStaticMarkup: boolean,\n-};\n+|};\n \n export function createResponseState(\n generateStaticMarkup: boolean,\ndiff --git a\/packages\/react-fs\/src\/ReactFilesystem.js b\/packages\/react-fs\/src\/ReactFilesystem.js\nindex e505005e21..acbe599010 100644\n--- a\/packages\/react-fs\/src\/ReactFilesystem.js\n+++ b\/packages\/react-fs\/src\/ReactFilesystem.js\n@@ -128,7 +128,7 @@ function createLstatMap(): Map>> {\n return new Map();\n }\n \n-export function lstat(path: string, options?: {bigint?: boolean}): mixed {\n+export function lstat(path: string, options?: {|bigint?: boolean|}): mixed {\n checkPathInDev(path);\n let bigint = false;\n if (options && options.bigint) {\n@@ -167,7 +167,7 @@ function createReaddirMap(): Map<\n \n export function readdir(\n path: string,\n- options?: string | {encoding?: string, withFileTypes?: boolean},\n+ options?: string | {|encoding?: string, withFileTypes?: boolean|},\n ): mixed {\n checkPathInDev(path);\n let encoding = 'utf8';\n@@ -215,12 +215,12 @@ export function readFile(\n path: string,\n options:\n | string\n- | {\n+ | {|\n encoding?: string | null,\n \/\/ Unsupported:\n flag?: string, \/\/ Doesn't make sense except \"r\"\n signal?: mixed, \/\/ We'll have our own signal\n- },\n+ |},\n ): string | Buffer {\n checkPathInDev(path);\n const map = unstable_getCacheForType(createReadFileMap);\n@@ -270,7 +270,7 @@ function createReadlinkMap(): Map>> {\n \n export function readlink(\n path: string,\n- options?: string | {encoding?: string},\n+ options?: string | {|encoding?: string|},\n ): mixed {\n checkPathInDev(path);\n let encoding = 'utf8';\n@@ -311,7 +311,7 @@ function createRealpathMap(): Map>> {\n \n export function realpath(\n path: string,\n- options?: string | {encoding?: string},\n+ options?: string | {|encoding?: string|},\n ): mixed {\n checkPathInDev(path);\n let encoding = 'utf8';\n@@ -350,7 +350,7 @@ function createStatMap(): Map>> {\n return new Map();\n }\n \n-export function stat(path: string, options?: {bigint?: boolean}): mixed {\n+export function stat(path: string, options?: {|bigint?: boolean|}): mixed {\n checkPathInDev(path);\n let bigint = false;\n if (options && options.bigint) {\ndiff --git a\/packages\/react-interactions\/events\/src\/dom\/create-event-handle\/Focus.js b\/packages\/react-interactions\/events\/src\/dom\/create-event-handle\/Focus.js\nindex 19b0b9cbee..4f988293db 100644\n--- a\/packages\/react-interactions\/events\/src\/dom\/create-event-handle\/Focus.js\n+++ b\/packages\/react-interactions\/events\/src\/dom\/create-event-handle\/Focus.js\n@@ -14,15 +14,15 @@ const {useCallback, useEffect, useLayoutEffect, useRef} = React;\n \n type FocusEvent = SyntheticEvent;\n \n-type UseFocusOptions = {\n+type UseFocusOptions = {|\n disabled?: boolean,\n onBlur?: ?(FocusEvent) => void,\n onFocus?: ?(FocusEvent) => void,\n onFocusChange?: ?(boolean) => void,\n onFocusVisibleChange?: ?(boolean) => void,\n-};\n+|};\n \n-type UseFocusWithinOptions = {\n+type UseFocusWithinOptions = {|\n disabled?: boolean,\n onAfterBlurWithin?: FocusEvent => void,\n onBeforeBlurWithin?: FocusEvent => void,\n@@ -30,7 +30,7 @@ type UseFocusWithinOptions = {\n onFocusWithin?: FocusEvent => void,\n onFocusWithinChange?: boolean => void,\n onFocusWithinVisibleChange?: boolean => void,\n-};\n+|};\n \n const isMac =\n typeof window !== 'undefined' && window.navigator != null\n@@ -154,7 +154,7 @@ function useFocusLifecycles() {\n }\n \n export function useFocus(\n- focusTargetRef: {current: null | Node},\n+ focusTargetRef: {|current: null | Node|},\n {\n disabled,\n onBlur,\n@@ -164,9 +164,10 @@ export function useFocus(\n }: UseFocusOptions,\n ): void {\n \/\/ Setup controlled state for this useFocus hook\n- const stateRef = useRef(\n- {isFocused: false, isFocusVisible: false},\n- );\n+ const stateRef = useRef({isFocused: false, isFocusVisible: false});\n const focusHandle = useEvent('focusin');\n const blurHandle = useEvent('focusout');\n const focusVisibleHandles = useFocusVisibleInputHandles();\n@@ -248,7 +249,7 @@ export function useFocus(\n \n export function useFocusWithin(\n focusWithinTargetRef:\n- | {current: null | T}\n+ | {|current: null | T|}\n | ((focusWithinTarget: null | T) => void),\n {\n disabled,\n@@ -261,9 +262,10 @@ export function useFocusWithin(\n }: UseFocusWithinOptions,\n ): (focusWithinTarget: null | T) => void {\n \/\/ Setup controlled state for this useFocus hook\n- const stateRef = useRef(\n- {isFocused: false, isFocusVisible: false},\n- );\n+ const stateRef = useRef({isFocused: false, isFocusVisible: false});\n const focusHandle = useEvent('focusin');\n const blurHandle = useEvent('focusout');\n const afterBlurHandle = useEvent('afterblur');\ndiff --git a\/packages\/react-native-renderer\/src\/ReactFabricHostConfig.js b\/packages\/react-native-renderer\/src\/ReactFabricHostConfig.js\nindex c5c0290065..febd24aaf3 100644\n--- a\/packages\/react-native-renderer\/src\/ReactFabricHostConfig.js\n+++ b\/packages\/react-native-renderer\/src\/ReactFabricHostConfig.js\n@@ -108,13 +108,13 @@ export type EventListenerRemoveOptions = $ReadOnly<{|\n \/\/ TODO?: this will be changed in the future to be w3c-compatible and allow \"EventListener\" objects as well as functions.\n export type EventListener = Function;\n \n-type InternalEventListeners = {\n+type InternalEventListeners = {|\n [string]: {|\n listener: EventListener,\n options: EventListenerOptions,\n invalidated: boolean,\n |}[],\n-};\n+|};\n \n \/\/ TODO: Remove this conditional once all changes have propagated.\n if (registerEventHandler) {\n@@ -255,6 +255,8 @@ class ReactFabricHostComponent {\n const passive = optionsObj.passive || false;\n const signal = null; \/\/ TODO: implement signal\/AbortSignal\n \n+ \/* $FlowFixMe the old version of Flow doesn't have a good way to define an\n+ * empty exact object. *\/\n const eventListeners: InternalEventListeners = this._eventListeners || {};\n if (this._eventListeners == null) {\n this._eventListeners = eventListeners;\ndiff --git a\/packages\/react-native-renderer\/src\/ReactNativeTypes.js b\/packages\/react-native-renderer\/src\/ReactNativeTypes.js\nindex 4d2fdcc6af..30583e45ae 100644\n--- a\/packages\/react-native-renderer\/src\/ReactNativeTypes.js\n+++ b\/packages\/react-native-renderer\/src\/ReactNativeTypes.js\n@@ -62,38 +62,38 @@ export type PartialAttributeConfiguration = $ReadOnly<{\n ...\n }>;\n \n-export type ViewConfig = $ReadOnly<{\n+export type ViewConfig = $ReadOnly<{|\n Commands?: $ReadOnly<{[commandName: string]: number, ...}>,\n Constants?: $ReadOnly<{[name: string]: mixed, ...}>,\n Manager?: string,\n NativeProps?: $ReadOnly<{[propName: string]: string, ...}>,\n baseModuleName?: ?string,\n bubblingEventTypes?: $ReadOnly<{\n- [eventName: string]: $ReadOnly<{\n- phasedRegistrationNames: $ReadOnly<{\n+ [eventName: string]: $ReadOnly<{|\n+ phasedRegistrationNames: $ReadOnly<{|\n captured: string,\n bubbled: string,\n skipBubbling?: ?boolean,\n- }>,\n- }>,\n+ |}>,\n+ |}>,\n ...,\n }>,\n directEventTypes?: $ReadOnly<{\n- [eventName: string]: $ReadOnly<{\n+ [eventName: string]: $ReadOnly<{|\n registrationName: string,\n- }>,\n+ |}>,\n ...,\n }>,\n uiViewClassName: string,\n validAttributes: AttributeConfiguration,\n-}>;\n+|}>;\n \n-export type PartialViewConfig = $ReadOnly<{\n+export type PartialViewConfig = $ReadOnly<{|\n bubblingEventTypes?: $PropertyType,\n directEventTypes?: $PropertyType,\n uiViewClassName: string,\n validAttributes?: PartialAttributeConfiguration,\n-}>;\n+|}>;\n \n export type NativeMethods = $ReadOnly<{|\n blur(): void,\ndiff --git a\/packages\/react-native-renderer\/src\/legacy-events\/PluginModuleType.js b\/packages\/react-native-renderer\/src\/legacy-events\/PluginModuleType.js\nindex 9488629dca..5790a10dcf 100644\n--- a\/packages\/react-native-renderer\/src\/legacy-events\/PluginModuleType.js\n+++ b\/packages\/react-native-renderer\/src\/legacy-events\/PluginModuleType.js\n@@ -22,7 +22,7 @@ export type PluginName = string;\n \n export type EventSystemFlags = number;\n \n-export type LegacyPluginModule = {\n+export type LegacyPluginModule = {|\n eventTypes: EventTypes,\n extractEvents: (\n topLevelType: TopLevelType,\n@@ -33,4 +33,4 @@ export type LegacyPluginModule = {\n container?: null | EventTarget,\n ) => ?ReactSyntheticEvent,\n tapMoveThreshold?: number,\n-};\n+|};\ndiff --git a\/packages\/react-native-renderer\/src\/server\/ReactNativeServerFormatConfig.js b\/packages\/react-native-renderer\/src\/server\/ReactNativeServerFormatConfig.js\nindex 92685d4f85..cb86b4628a 100644\n--- a\/packages\/react-native-renderer\/src\/server\/ReactNativeServerFormatConfig.js\n+++ b\/packages\/react-native-renderer\/src\/server\/ReactNativeServerFormatConfig.js\n@@ -58,9 +58,9 @@ const SUSPENSE_UPDATE_TO_CLIENT_RENDER = new Uint8Array(1);\n SUSPENSE_UPDATE_TO_CLIENT_RENDER[0] = SUSPENSE_UPDATE_TO_CLIENT_RENDER_TAG;\n \n \/\/ Per response,\n-export type ResponseState = {\n+export type ResponseState = {|\n nextSuspenseID: number,\n-};\n+|};\n \n \/\/ Allows us to keep track of what we've already written so we can refer back to it.\n export function createResponseState(): ResponseState {\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.new.js b\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.new.js\nindex e496389782..0416cc28bb 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.new.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.new.js\n@@ -33,14 +33,14 @@ import {NoFlags, Placement, Hydrating} from '.\/ReactFiberFlags';\n import {HostRoot, OffscreenComponent} from '.\/ReactWorkTags';\n import {OffscreenVisible} from '.\/ReactFiberOffscreenComponent';\n \n-export type ConcurrentUpdate = {\n+export type ConcurrentUpdate = {|\n next: ConcurrentUpdate,\n lane: Lane,\n-};\n+|};\n \n-type ConcurrentQueue = {\n+type ConcurrentQueue = {|\n pending: ConcurrentUpdate | null,\n-};\n+|};\n \n \/\/ If a render is in progress, and we receive an update from a concurrent event,\n \/\/ we wait until the current render is over (either finished or interrupted)\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.old.js b\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.old.js\nindex 7dd87358cf..5ad81a8ff3 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.old.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberConcurrentUpdates.old.js\n@@ -33,14 +33,14 @@ import {NoFlags, Placement, Hydrating} from '.\/ReactFiberFlags';\n import {HostRoot, OffscreenComponent} from '.\/ReactWorkTags';\n import {OffscreenVisible} from '.\/ReactFiberOffscreenComponent';\n \n-export type ConcurrentUpdate = {\n+export type ConcurrentUpdate = {|\n next: ConcurrentUpdate,\n lane: Lane,\n-};\n+|};\n \n-type ConcurrentQueue = {\n+type ConcurrentQueue = {|\n pending: ConcurrentUpdate | null,\n-};\n+|};\n \n \/\/ If a render is in progress, and we receive an update from a concurrent event,\n \/\/ we wait until the current render is over (either finished or interrupted)\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.new.js b\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.new.js\nindex 6f6309d6ed..3ce3490a39 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.new.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.new.js\n@@ -22,6 +22,7 @@ type HiddenContext = {\n \/\/ order to reveal the hidden content.\n \/\/ TODO: Remove `subtreeLanes` context from work loop in favor of this one.\n baseLanes: number,\n+ ...\n };\n \n \/\/ TODO: This isn't being used yet, but it's intended to replace the\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.old.js b\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.old.js\nindex c62fa3d12f..565dc4ae20 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.old.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberHiddenContext.old.js\n@@ -22,6 +22,7 @@ type HiddenContext = {\n \/\/ order to reveal the hidden content.\n \/\/ TODO: Remove `subtreeLanes` context from work loop in favor of this one.\n baseLanes: number,\n+ ...\n };\n \n \/\/ TODO: This isn't being used yet, but it's intended to replace the\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberHooks.new.js b\/packages\/react-reconciler\/src\/ReactFiberHooks.new.js\nindex 87a65254b4..ee3d118a4a 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberHooks.new.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberHooks.new.js\n@@ -1032,10 +1032,10 @@ function rerenderReducer(\n }\n \n type MutableSourceMemoizedState = {|\n- refs: {\n+ refs: {|\n getSnapshot: MutableSourceGetSnapshotFn,\n setSnapshot: Snapshot => void,\n- },\n+ |},\n source: MutableSource,\n subscribe: MutableSourceSubscribeFn,\n |};\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberHooks.old.js b\/packages\/react-reconciler\/src\/ReactFiberHooks.old.js\nindex fd081fe5b0..aaa5ed306e 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberHooks.old.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberHooks.old.js\n@@ -1032,10 +1032,10 @@ function rerenderReducer(\n }\n \n type MutableSourceMemoizedState = {|\n- refs: {\n+ refs: {|\n getSnapshot: MutableSourceGetSnapshotFn,\n setSnapshot: Snapshot => void,\n- },\n+ |},\n source: MutableSource,\n subscribe: MutableSourceSubscribeFn,\n |};\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberRoot.new.js b\/packages\/react-reconciler\/src\/ReactFiberRoot.new.js\nindex beaa5f509b..6482f560c8 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberRoot.new.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberRoot.new.js\n@@ -38,11 +38,11 @@ import {initializeUpdateQueue} from '.\/ReactFiberClassUpdateQueue.new';\n import {LegacyRoot, ConcurrentRoot} from '.\/ReactRootTags';\n import {createCache, retainCache} from '.\/ReactFiberCacheComponent.new';\n \n-export type RootState = {\n+export type RootState = {|\n element: any,\n isDehydrated: boolean,\n cache: Cache,\n-};\n+|};\n \n function FiberRootNode(\n containerInfo,\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberRoot.old.js b\/packages\/react-reconciler\/src\/ReactFiberRoot.old.js\nindex 11221f86a8..0128418fdd 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberRoot.old.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberRoot.old.js\n@@ -38,11 +38,11 @@ import {initializeUpdateQueue} from '.\/ReactFiberClassUpdateQueue.old';\n import {LegacyRoot, ConcurrentRoot} from '.\/ReactRootTags';\n import {createCache, retainCache} from '.\/ReactFiberCacheComponent.old';\n \n-export type RootState = {\n+export type RootState = {|\n element: any,\n isDehydrated: boolean,\n cache: Cache,\n-};\n+|};\n \n function FiberRootNode(\n containerInfo,\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.new.js b\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.new.js\nindex 1be1e7f930..9c96e6646c 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.new.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.new.js\n@@ -19,33 +19,33 @@ import {enableTransitionTracing} from 'shared\/ReactFeatureFlags';\n import {createCursor, push, pop} from '.\/ReactFiberStack.new';\n import {getWorkInProgressTransitions} from '.\/ReactFiberWorkLoop.new';\n \n-export type SuspenseInfo = {name: string | null};\n+export type SuspenseInfo = {|name: string | null|};\n \n-export type PendingTransitionCallbacks = {\n+export type PendingTransitionCallbacks = {|\n transitionStart: Array | null,\n transitionProgress: Map | null,\n transitionComplete: Array | null,\n markerProgress: Map<\n string,\n- {pendingBoundaries: PendingBoundaries, transitions: Set},\n+ {|pendingBoundaries: PendingBoundaries, transitions: Set|},\n > | null,\n markerIncomplete: Map<\n string,\n- {aborts: Array, transitions: Set},\n+ {|aborts: Array, transitions: Set|},\n > | null,\n markerComplete: Map> | null,\n-};\n+|};\n \n-export type Transition = {\n+export type Transition = {|\n name: string,\n startTime: number,\n-};\n+|};\n \n-export type BatchConfigTransition = {\n+export type BatchConfigTransition = {|\n name?: string,\n startTime?: number,\n _updatedFibers?: Set,\n-};\n+|};\n \n \/\/ TODO: Is there a way to not include the tag or name here?\n export type TracingMarkerInstance = {|\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.old.js b\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.old.js\nindex e889308678..939a1ae043 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.old.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberTracingMarkerComponent.old.js\n@@ -19,33 +19,33 @@ import {enableTransitionTracing} from 'shared\/ReactFeatureFlags';\n import {createCursor, push, pop} from '.\/ReactFiberStack.old';\n import {getWorkInProgressTransitions} from '.\/ReactFiberWorkLoop.old';\n \n-export type SuspenseInfo = {name: string | null};\n+export type SuspenseInfo = {|name: string | null|};\n \n-export type PendingTransitionCallbacks = {\n+export type PendingTransitionCallbacks = {|\n transitionStart: Array | null,\n transitionProgress: Map | null,\n transitionComplete: Array | null,\n markerProgress: Map<\n string,\n- {pendingBoundaries: PendingBoundaries, transitions: Set},\n+ {|pendingBoundaries: PendingBoundaries, transitions: Set|},\n > | null,\n markerIncomplete: Map<\n string,\n- {aborts: Array, transitions: Set},\n+ {|aborts: Array, transitions: Set|},\n > | null,\n markerComplete: Map> | null,\n-};\n+|};\n \n-export type Transition = {\n+export type Transition = {|\n name: string,\n startTime: number,\n-};\n+|};\n \n-export type BatchConfigTransition = {\n+export type BatchConfigTransition = {|\n name?: string,\n startTime?: number,\n _updatedFibers?: Set,\n-};\n+|};\n \n \/\/ TODO: Is there a way to not include the tag or name here?\n export type TracingMarkerInstance = {|\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberTreeContext.new.js b\/packages\/react-reconciler\/src\/ReactFiberTreeContext.new.js\nindex f9c5104ed6..1a5305822b 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberTreeContext.new.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberTreeContext.new.js\n@@ -64,10 +64,10 @@ import {getIsHydrating} from '.\/ReactFiberHydrationContext.new';\n import {clz32} from '.\/clz32';\n import {Forked, NoFlags} from '.\/ReactFiberFlags';\n \n-export type TreeContext = {\n+export type TreeContext = {|\n id: number,\n overflow: string,\n-};\n+|};\n \n \/\/ TODO: Use the unified fiber stack module instead of this local one?\n \/\/ Intentionally not using it yet to derisk the initial implementation, because\ndiff --git a\/packages\/react-reconciler\/src\/ReactFiberTreeContext.old.js b\/packages\/react-reconciler\/src\/ReactFiberTreeContext.old.js\nindex 840335d00c..dabfe8fdb6 100644\n--- a\/packages\/react-reconciler\/src\/ReactFiberTreeContext.old.js\n+++ b\/packages\/react-reconciler\/src\/ReactFiberTreeContext.old.js\n@@ -64,10 +64,10 @@ import {getIsHydrating} from '.\/ReactFiberHydrationContext.old';\n import {clz32} from '.\/clz32';\n import {Forked, NoFlags} from '.\/ReactFiberFlags';\n \n-export type TreeContext = {\n+export type TreeContext = {|\n id: number,\n overflow: string,\n-};\n+|};\n \n \/\/ TODO: Use the unified fiber stack module instead of this local one?\n \/\/ Intentionally not using it yet to derisk the initial implementation, because\ndiff --git a\/packages\/react-reconciler\/src\/ReactInternalTypes.js b\/packages\/react-reconciler\/src\/ReactInternalTypes.js\nindex c8239dc248..5770adb76b 100644\n--- a\/packages\/react-reconciler\/src\/ReactInternalTypes.js\n+++ b\/packages\/react-reconciler\/src\/ReactInternalTypes.js\n@@ -258,7 +258,7 @@ type BaseFiberRootProperties = {|\n \n onRecoverableError: (\n error: mixed,\n- errorInfo: {digest?: ?string, componentStack?: ?string},\n+ errorInfo: {|digest?: ?string, componentStack?: ?string|},\n ) => void,\n |};\n \n@@ -280,22 +280,22 @@ type SuspenseCallbackOnlyFiberRootProperties = {|\n hydrationCallbacks: null | SuspenseHydrationCallbacks,\n |};\n \n-export type TransitionTracingCallbacks = {\n+export type TransitionTracingCallbacks = {|\n onTransitionStart?: (transitionName: string, startTime: number) => void,\n onTransitionProgress?: (\n transitionName: string,\n startTime: number,\n currentTime: number,\n- pending: Array<{name: null | string}>,\n+ pending: Array<{|name: null | string|}>,\n ) => void,\n onTransitionIncomplete?: (\n transitionName: string,\n startTime: number,\n- deletions: Array<{\n+ deletions: Array<{|\n type: string,\n name?: string | null,\n endTime: number,\n- }>,\n+ |}>,\n ) => void,\n onTransitionComplete?: (\n transitionName: string,\n@@ -307,17 +307,17 @@ export type TransitionTracingCallbacks = {\n marker: string,\n startTime: number,\n currentTime: number,\n- pending: Array<{name: null | string}>,\n+ pending: Array<{|name: null | string|}>,\n ) => void,\n onMarkerIncomplete?: (\n transitionName: string,\n marker: string,\n startTime: number,\n- deletions: Array<{\n+ deletions: Array<{|\n type: string,\n name?: string | null,\n endTime: number,\n- }>,\n+ |}>,\n ) => void,\n onMarkerComplete?: (\n transitionName: string,\n@@ -325,7 +325,7 @@ export type TransitionTracingCallbacks = {\n startTime: number,\n endTime: number,\n ) => void,\n-};\n+|};\n \n \/\/ The following fields are only used in transition tracing in Profile builds\n type TransitionTracingOnlyFiberRootProperties = {|\ndiff --git a\/packages\/react-reconciler\/src\/ReactTestSelectors.js b\/packages\/react-reconciler\/src\/ReactTestSelectors.js\nindex ad1333c936..3efe5ddadb 100644\n--- a\/packages\/react-reconciler\/src\/ReactTestSelectors.js\n+++ b\/packages\/react-reconciler\/src\/ReactTestSelectors.js\n@@ -506,13 +506,15 @@ export function onCommitRoot(): void {\n export type IntersectionObserverOptions = Object;\n \n export type ObserveVisibleRectsCallback = (\n- intersections: Array<{ratio: number, rect: BoundingRect}>,\n+ intersections: Array<{|ratio: number, rect: BoundingRect|}>,\n ) => void;\n \n export function observeVisibleRects(\n hostRoot: Instance,\n selectors: Array,\n- callback: (intersections: Array<{ratio: number, rect: BoundingRect}>) => void,\n+ callback: (\n+ intersections: Array<{|ratio: number, rect: BoundingRect|}>,\n+ ) => void,\n options?: IntersectionObserverOptions,\n ): {|disconnect: () => void|} {\n if (!supportsTestSelectors) {\ndiff --git a\/packages\/react-server-dom-relay\/src\/ReactDOMServerFB.js b\/packages\/react-server-dom-relay\/src\/ReactDOMServerFB.js\nindex 0d7aeef6cb..b430beac2c 100644\n--- a\/packages\/react-server-dom-relay\/src\/ReactDOMServerFB.js\n+++ b\/packages\/react-server-dom-relay\/src\/ReactDOMServerFB.js\n@@ -26,19 +26,19 @@ import {\n createRootFormatContext,\n } from 'react-server\/src\/ReactServerFormatConfig';\n \n-type Options = {\n+type Options = {|\n identifierPrefix?: string,\n bootstrapScriptContent?: string,\n bootstrapScripts: Array,\n bootstrapModules: Array,\n progressiveChunkSize?: number,\n onError: (error: mixed) => void,\n-};\n+|};\n \n-opaque type Stream = {\n+opaque type Stream = {|\n destination: Destination,\n request: Request,\n-};\n+|};\n \n function renderToStream(children: ReactNodeList, options: Options): Stream {\n const destination = {\ndiff --git a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayClient.js b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayClient.js\nindex 6ea0b861aa..ece3124bcf 100644\n--- a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayClient.js\n+++ b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayClient.js\n@@ -24,8 +24,10 @@ export {createResponse, close};\n \n export function resolveRow(response: Response, chunk: RowEncoding): void {\n if (chunk[0] === 'J') {\n+ \/\/ $FlowFixMe unable to refine on array indices\n resolveModel(response, chunk[1], chunk[2]);\n } else if (chunk[0] === 'M') {\n+ \/\/ $FlowFixMe unable to refine on array indices\n resolveModule(response, chunk[1], chunk[2]);\n } else if (chunk[0] === 'S') {\n \/\/ $FlowFixMe: Flow doesn't support disjoint unions on tuples.\ndiff --git a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayProtocol.js b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayProtocol.js\nindex 60d19ecef3..0a2e99eb9b 100644\n--- a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayProtocol.js\n+++ b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayProtocol.js\n@@ -14,8 +14,8 @@ export type JSONValue =\n | number\n | boolean\n | null\n- | {+[key: string]: JSONValue}\n- | Array;\n+ | {|+[key: string]: JSONValue|}\n+ | $ReadOnlyArray;\n \n export type RowEncoding =\n | ['J', number, JSONValue]\ndiff --git a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServer.js b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServer.js\nindex 5e65921193..eb3c5fce2a 100644\n--- a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServer.js\n+++ b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServer.js\n@@ -19,10 +19,10 @@ import {\n startFlowing,\n } from 'react-server\/src\/ReactFlightServer';\n \n-type Options = {\n+type Options = {|\n onError?: (error: mixed) => void,\n identifierPrefix?: string,\n-};\n+|};\n \n function render(\n model: ReactModel,\ndiff --git a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServerHostConfig.js b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServerHostConfig.js\nindex 0ec5b2cf0d..0b46fe2397 100644\n--- a\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServerHostConfig.js\n+++ b\/packages\/react-server-dom-relay\/src\/ReactFlightDOMRelayServerHostConfig.js\n@@ -78,7 +78,7 @@ export function processErrorChunk(\n \n function convertModelToJSON(\n request: Request,\n- parent: {+[key: string]: ReactModel} | $ReadOnlyArray,\n+ parent: {|+[key: string]: ReactModel|} | $ReadOnlyArray,\n key: string,\n model: ReactModel,\n ): JSONValue {\n@@ -91,7 +91,9 @@ function convertModelToJSON(\n }\n return jsonArray;\n } else {\n- const jsonObj: {[key: string]: JSONValue} = {};\n+ \/* $FlowFixMe the old version of Flow doesn't have a good way to define\n+ * an empty exact object. *\/\n+ const jsonObj: {|[key: string]: JSONValue|} = {};\n for (const nextKey in json) {\n if (hasOwnProperty.call(json, nextKey)) {\n jsonObj[nextKey] = convertModelToJSON(\n@@ -113,6 +115,7 @@ export function processModelChunk(\n id: number,\n model: ReactModel,\n ): Chunk {\n+ \/\/ $FlowFixMe no good way to define an empty exact object\n const json = convertModelToJSON(request, {}, '', model);\n return ['J', id, json];\n }\n@@ -159,6 +162,7 @@ export function flushBuffered(destination: Destination) {}\n export function beginWriting(destination: Destination) {}\n \n export function writeChunk(destination: Destination, chunk: Chunk): void {\n+ \/\/ $FlowFixMe `Chunk` doesn't flow into `JSONValue` because of the `E` row type.\n emitRow(destination, chunk);\n }\n \n@@ -166,6 +170,7 @@ export function writeChunkAndReturn(\n destination: Destination,\n chunk: Chunk,\n ): boolean {\n+ \/\/ $FlowFixMe `Chunk` doesn't flow into `JSONValue` because of the `E` row type.\n emitRow(destination, chunk);\n return true;\n }\ndiff --git a\/packages\/react-server-dom-relay\/src\/ReactServerStreamConfigFB.js b\/packages\/react-server-dom-relay\/src\/ReactServerStreamConfigFB.js\nindex d0de924db7..d26271ba15 100644\n--- a\/packages\/react-server-dom-relay\/src\/ReactServerStreamConfigFB.js\n+++ b\/packages\/react-server-dom-relay\/src\/ReactServerStreamConfigFB.js\n@@ -7,12 +7,12 @@\n * @flow\n *\/\n \n-export type Destination = {\n+export type Destination = {|\n buffer: string,\n done: boolean,\n fatal: boolean,\n error: mixed,\n-};\n+|};\n \n export type PrecomputedChunk = string;\n export type Chunk = string;\ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightClientWebpackBundlerConfig.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightClientWebpackBundlerConfig.js\nindex 288f63bfdc..64bb2b986d 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightClientWebpackBundlerConfig.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightClientWebpackBundlerConfig.js\n@@ -9,20 +9,20 @@\n \n import type {Thenable} from 'shared\/ReactTypes';\n \n-export type WebpackSSRMap = {\n- [clientId: string]: {\n+export type WebpackSSRMap = {|\n+ [clientId: string]: {|\n [clientExportName: string]: ModuleMetaData,\n- },\n-};\n+ |},\n+|};\n \n export type BundlerConfig = null | WebpackSSRMap;\n \n-export opaque type ModuleMetaData = {\n+export opaque type ModuleMetaData = {|\n id: string,\n chunks: Array,\n name: string,\n async: boolean,\n-};\n+|};\n \n \/\/ eslint-disable-next-line no-unused-vars\n export opaque type ModuleReference = ModuleMetaData;\ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMClient.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMClient.js\nindex 32f8e794f4..532e045787 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMClient.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMClient.js\n@@ -19,9 +19,9 @@ import {\n close,\n } from 'react-client\/src\/ReactFlightClientStream';\n \n-export type Options = {\n+export type Options = {|\n moduleMap?: BundlerConfig,\n-};\n+|};\n \n function startReadingFromStream(\n response: FlightResponse,\ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerBrowser.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerBrowser.js\nindex 2cbd609b47..8f4a52bacf 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerBrowser.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerBrowser.js\n@@ -18,12 +18,12 @@ import {\n abort,\n } from 'react-server\/src\/ReactFlightServer';\n \n-type Options = {\n+type Options = {|\n identifierPrefix?: string,\n signal?: AbortSignal,\n context?: Array<[string, ServerContextJSONValue]>,\n onError?: (error: mixed) => void,\n-};\n+|};\n \n function renderToReadableStream(\n model: ReactModel,\ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerNode.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerNode.js\nindex 69fa772a30..c631f5b71a 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerNode.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightDOMServerNode.js\n@@ -23,11 +23,11 @@ function createDrainHandler(destination, request) {\n return () => startFlowing(request, destination);\n }\n \n-type Options = {\n+type Options = {|\n onError?: (error: mixed) => void,\n context?: Array<[string, ServerContextJSONValue]>,\n identifierPrefix?: string,\n-};\n+|};\n \n type PipeableStream = {|\n abort(reason: mixed): void,\ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightServerWebpackBundlerConfig.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightServerWebpackBundlerConfig.js\nindex 8d7dccae33..79107b5031 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightServerWebpackBundlerConfig.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightServerWebpackBundlerConfig.js\n@@ -7,28 +7,28 @@\n * @flow\n *\/\n \n-type WebpackMap = {\n- [filepath: string]: {\n+type WebpackMap = {|\n+ [filepath: string]: {|\n [name: string]: ModuleMetaData,\n- },\n-};\n+ |},\n+|};\n \n export type BundlerConfig = WebpackMap;\n \n \/\/ eslint-disable-next-line no-unused-vars\n-export type ModuleReference = {\n+export type ModuleReference = {|\n $$typeof: symbol,\n filepath: string,\n name: string,\n async: boolean,\n-};\n+|};\n \n-export type ModuleMetaData = {\n+export type ModuleMetaData = {|\n id: string,\n chunks: Array,\n name: string,\n async: boolean,\n-};\n+|};\n \n export type ModuleKey = string;\n \ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeLoader.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeLoader.js\nindex 737a850280..6ac08cad64 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeLoader.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeLoader.js\n@@ -9,37 +9,37 @@\n \n import {acorn} from 'acorn';\n \n-type ResolveContext = {\n+type ResolveContext = {|\n conditions: Array,\n parentURL: string | void,\n-};\n+|};\n \n type ResolveFunction = (\n string,\n ResolveContext,\n ResolveFunction,\n-) => {url: string} | Promise<{url: string}>;\n+) => {|url: string|} | Promise<{|url: string|}>;\n \n-type GetSourceContext = {\n+type GetSourceContext = {|\n format: string,\n-};\n+|};\n \n type GetSourceFunction = (\n string,\n GetSourceContext,\n GetSourceFunction,\n-) => Promise<{source: Source}>;\n+) => Promise<{|source: Source|}>;\n \n-type TransformSourceContext = {\n+type TransformSourceContext = {|\n format: string,\n url: string,\n-};\n+|};\n \n type TransformSourceFunction = (\n Source,\n TransformSourceContext,\n TransformSourceFunction,\n-) => Promise<{source: Source}>;\n+) => Promise<{|source: Source|}>;\n \n type Source = string | ArrayBuffer | Uint8Array;\n \n@@ -52,7 +52,7 @@ export async function resolve(\n specifier: string,\n context: ResolveContext,\n defaultResolve: ResolveFunction,\n-): Promise<{url: string}> {\n+): Promise<{|url: string|}> {\n \/\/ We stash this in case we end up needing to resolve export * statements later.\n stashedResolve = defaultResolve;\n \n@@ -133,7 +133,7 @@ function addExportNames(names, node) {\n function resolveClientImport(\n specifier: string,\n parentURL: string,\n-): {url: string} | Promise<{url: string}> {\n+): {|url: string|} | Promise<{|url: string|}> {\n \/\/ Resolve an import specifier as if it was loaded by the client. This doesn't use\n \/\/ the overrides that this loader does but instead reverts to the default.\n \/\/ This resolution algorithm will not necessarily have the same configuration\n@@ -151,7 +151,7 @@ function resolveClientImport(\n async function loadClientImport(\n url: string,\n defaultTransformSource: TransformSourceFunction,\n-): Promise<{source: Source}> {\n+): Promise<{|source: Source|}> {\n if (stashedGetSource === null) {\n throw new Error(\n 'Expected getSource to have been called before transformSource',\n@@ -225,7 +225,7 @@ export async function transformSource(\n source: Source,\n context: TransformSourceContext,\n defaultTransformSource: TransformSourceFunction,\n-): Promise<{source: Source}> {\n+): Promise<{|source: Source|}> {\n const transformed = await defaultTransformSource(\n source,\n context,\ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeRegister.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeRegister.js\nindex 0c1ec39aff..9c89122b04 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeRegister.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackNodeRegister.js\n@@ -52,7 +52,7 @@ module.exports = function register() {\n \/\/ we should resolve that with a client reference that unwraps the Promise on\n \/\/ the client.\n const then = function then(resolve, reject) {\n- const moduleReference: {[string]: any} = {\n+ const moduleReference: {[string]: any, ...} = {\n $$typeof: MODULE_REFERENCE,\n filepath: target.filepath,\n name: '*', \/\/ Represents the whole object instead of a particular import.\n@@ -93,7 +93,7 @@ module.exports = function register() {\n \n Module._extensions['.client.js'] = function(module, path) {\n const moduleId = url.pathToFileURL(path).href;\n- const moduleReference: {[string]: any} = {\n+ const moduleReference: {[string]: any, ...} = {\n $$typeof: MODULE_REFERENCE,\n filepath: moduleId,\n name: '*', \/\/ Represents the whole object instead of a particular import.\ndiff --git a\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackPlugin.js b\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackPlugin.js\nindex b3da107e60..7aa784a37f 100644\n--- a\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackPlugin.js\n+++ b\/packages\/react-server-dom-webpack\/src\/ReactFlightWebpackPlugin.js\n@@ -42,21 +42,21 @@ class ClientReferenceDependency extends ModuleDependency {\n const clientImportName = 'react-server-dom-webpack';\n const clientFileName = require.resolve('..\/');\n \n-type ClientReferenceSearchPath = {\n+type ClientReferenceSearchPath = {|\n directory: string,\n recursive?: boolean,\n include: RegExp,\n exclude?: RegExp,\n-};\n+|};\n \n type ClientReferencePath = string | ClientReferenceSearchPath;\n \n-type Options = {\n+type Options = {|\n isServer: boolean,\n clientReferences?: ClientReferencePath | $ReadOnlyArray,\n chunkName?: string,\n manifestFilename?: string,\n-};\n+|};\n \n const PLUGIN_NAME = 'React Server Plugin';\n \ndiff --git a\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayClient.js b\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayClient.js\nindex 42b9efa73b..cea39ac6f2 100644\n--- a\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayClient.js\n+++ b\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayClient.js\n@@ -24,8 +24,10 @@ export {createResponse, close};\n \n export function resolveRow(response: Response, chunk: RowEncoding): void {\n if (chunk[0] === 'J') {\n+ \/\/ $FlowFixMe `Chunk` doesn't flow into `JSONValue` because of the `E` row type.\n resolveModel(response, chunk[1], chunk[2]);\n } else if (chunk[0] === 'M') {\n+ \/\/ $FlowFixMe `Chunk` doesn't flow into `JSONValue` because of the `E` row type.\n resolveModule(response, chunk[1], chunk[2]);\n } else if (chunk[0] === 'S') {\n \/\/ $FlowFixMe: Flow doesn't support disjoint unions on tuples.\ndiff --git a\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayProtocol.js b\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayProtocol.js\nindex 1c32ac0dd4..ce10935859 100644\n--- a\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayProtocol.js\n+++ b\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayProtocol.js\n@@ -14,7 +14,7 @@ export type JSONValue =\n | number\n | boolean\n | null\n- | {+[key: string]: JSONValue}\n+ | {|+[key: string]: JSONValue|}\n | Array;\n \n export type RowEncoding =\ndiff --git a\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayServerHostConfig.js b\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayServerHostConfig.js\nindex 5c9360701a..581ba3de85 100644\n--- a\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayServerHostConfig.js\n+++ b\/packages\/react-server-native-relay\/src\/ReactFlightNativeRelayServerHostConfig.js\n@@ -75,7 +75,7 @@ export function processErrorChunk(\n \n function convertModelToJSON(\n request: Request,\n- parent: {+[key: string]: ReactModel} | $ReadOnlyArray,\n+ parent: {|+[key: string]: ReactModel|} | $ReadOnlyArray,\n key: string,\n model: ReactModel,\n ): JSONValue {\n@@ -88,7 +88,8 @@ function convertModelToJSON(\n }\n return jsonArray;\n } else {\n- const jsonObj: {[key: string]: JSONValue} = {};\n+ \/\/ $FlowFixMe no good way to define an empty exact object\n+ const jsonObj: {|[key: string]: JSONValue|} = {};\n for (const nextKey in json) {\n if (hasOwnProperty.call(json, nextKey)) {\n jsonObj[nextKey] = convertModelToJSON(\n@@ -110,6 +111,7 @@ export function processModelChunk(\n id: number,\n model: ReactModel,\n ): Chunk {\n+ \/\/ $FlowFixMe no good way to define an empty exact object\n const json = convertModelToJSON(request, {}, '', model);\n return ['J', id, json];\n }\n@@ -156,6 +158,7 @@ export function flushBuffered(destination: Destination) {}\n export function beginWriting(destination: Destination) {}\n \n export function writeChunk(destination: Destination, chunk: Chunk): void {\n+ \/\/ $FlowFixMe `Chunk` doesn't flow into `JSONValue` because of the `E` row type.\n emitRow(destination, chunk);\n }\n \n@@ -163,6 +166,7 @@ export function writeChunkAndReturn(\n destination: Destination,\n chunk: Chunk,\n ): boolean {\n+ \/\/ $FlowFixMe `Chunk` doesn't flow into `JSONValue` because of the `E` row type.\n emitRow(destination, chunk);\n return true;\n }\ndiff --git a\/packages\/react-server\/src\/ReactFizzClassComponent.js b\/packages\/react-server\/src\/ReactFizzClassComponent.js\nindex 12fbeb46f2..9a17511dfc 100644\n--- a\/packages\/react-server\/src\/ReactFizzClassComponent.js\n+++ b\/packages\/react-server\/src\/ReactFizzClassComponent.js\n@@ -100,10 +100,10 @@ function warnNoop(\n }\n }\n \n-type InternalInstance = {\n+type InternalInstance = {|\n queue: null | Array

dillon1000/react

Files changed