{"commit":{"subject":"Flow: well_formed_exports for devtools (#25266)","shortRevision":"fc16293f3f","authoredAt":"2022-09-15T16:45:29-04:00","authorName":"Jan Kassens","revision":"fc16293f3f8fd4483f0c8f358d1f2187fbb07463","authorEmail":"jkassens@fb.com"},"body":"","parents":["0b54e0047598e255bcbb7e3aff23c26d7382c54d"],"patch":"diff --git a\/packages\/react-devtools-shared\/src\/Logger.js b\/packages\/react-devtools-shared\/src\/Logger.js\nindex 0998f860a9..f5736ff4d0 100644\n--- a\/packages\/react-devtools-shared\/src\/Logger.js\n+++ b\/packages\/react-devtools-shared\/src\/Logger.js\n@@ -74,7 +74,7 @@ export const logEvent: LogFunction =\n }\n : function logEvent() {};\n \n-export const registerEventLogger =\n+export const registerEventLogger: (logFunction: LogFunction) => () => void =\n enableLogger === true\n ? function registerEventLogger(logFunction: LogFunction): () => void {\n if (enableLogger) {\ndiff --git a\/packages\/react-devtools-shared\/src\/backend\/agent.js b\/packages\/react-devtools-shared\/src\/backend\/agent.js\nindex 0d0fb5e81d..13394da2ae 100644\n--- a\/packages\/react-devtools-shared\/src\/backend\/agent.js\n+++ b\/packages\/react-devtools-shared\/src\/backend\/agent.js\n@@ -254,7 +254,9 @@ export default class Agent extends EventEmitter<{\n return this._rendererInterfaces;\n }\n \n- clearErrorsAndWarnings = ({rendererID}: {rendererID: RendererID}) => {\n+ clearErrorsAndWarnings: ({rendererID: RendererID}) => void = ({\n+ rendererID,\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\"`);\n@@ -263,7 +265,7 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- clearErrorsForFiberID = ({id, rendererID}: ElementAndRendererID) => {\n+ clearErrorsForFiberID: ElementAndRendererID => void = ({id, rendererID}) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\"`);\n@@ -272,7 +274,10 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- clearWarningsForFiberID = ({id, rendererID}: ElementAndRendererID) => {\n+ clearWarningsForFiberID: ElementAndRendererID => void = ({\n+ id,\n+ rendererID,\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\"`);\n@@ -281,7 +286,11 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- copyElementPath = ({id, path, rendererID}: CopyElementParams) => {\n+ copyElementPath: CopyElementParams => void = ({\n+ id,\n+ path,\n+ rendererID,\n+ }: CopyElementParams) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -290,7 +299,13 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- deletePath = ({hookID, id, path, rendererID, type}: DeletePathParams) => {\n+ deletePath: DeletePathParams => void = ({\n+ hookID,\n+ id,\n+ path,\n+ rendererID,\n+ type,\n+ }: DeletePathParams) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -344,18 +359,18 @@ export default class Agent extends EventEmitter<{\n return null;\n }\n \n- getBackendVersion = () => {\n+ getBackendVersion: () => void = () => {\n const version = process.env.DEVTOOLS_VERSION;\n if (version) {\n this._bridge.send('backendVersion', version);\n }\n };\n \n- getBridgeProtocol = () => {\n+ getBridgeProtocol: () => void = () => {\n this._bridge.send('bridgeProtocol', currentBridgeProtocol);\n };\n \n- getProfilingData = ({rendererID}: {rendererID: RendererID}) => {\n+ getProfilingData: ({rendererID: RendererID}) => void = ({rendererID}) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\"`);\n@@ -364,11 +379,11 @@ export default class Agent extends EventEmitter<{\n this._bridge.send('profilingData', renderer.getProfilingData());\n };\n \n- getProfilingStatus = () => {\n+ getProfilingStatus: () => void = () => {\n this._bridge.send('profilingStatus', this._isProfiling);\n };\n \n- getOwnersList = ({id, rendererID}: ElementAndRendererID) => {\n+ getOwnersList: ElementAndRendererID => void = ({id, rendererID}) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -378,13 +393,13 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- inspectElement = ({\n+ inspectElement: InspectElementParams => void = ({\n forceFullData,\n id,\n path,\n rendererID,\n requestID,\n- }: InspectElementParams) => {\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -414,7 +429,7 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- logElementToConsole = ({id, rendererID}: ElementAndRendererID) => {\n+ logElementToConsole: ElementAndRendererID => void = ({id, rendererID}) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -423,7 +438,11 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- overrideError = ({id, rendererID, forceError}: OverrideErrorParams) => {\n+ overrideError: OverrideErrorParams => void = ({\n+ id,\n+ rendererID,\n+ forceError,\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -432,11 +451,11 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- overrideSuspense = ({\n+ overrideSuspense: OverrideSuspenseParams => void = ({\n id,\n rendererID,\n forceFallback,\n- }: OverrideSuspenseParams) => {\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -445,14 +464,14 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- overrideValueAtPath = ({\n+ overrideValueAtPath: OverrideValueAtPathParams => void = ({\n hookID,\n id,\n path,\n rendererID,\n type,\n value,\n- }: OverrideValueAtPathParams) => {\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -463,13 +482,13 @@ export default class Agent extends EventEmitter<{\n \n \/\/ Temporarily support older standalone front-ends by forwarding the older message types\n \/\/ to the new \"overrideValueAtPath\" command the backend is now listening to.\n- overrideContext = ({\n+ overrideContext: SetInParams => void = ({\n id,\n path,\n rendererID,\n wasForwarded,\n value,\n- }: SetInParams) => {\n+ }) => {\n \/\/ Don't forward a message that's already been forwarded by the front-end Bridge.\n \/\/ We only need to process the override command once!\n if (!wasForwarded) {\n@@ -485,14 +504,14 @@ export default class Agent extends EventEmitter<{\n \n \/\/ Temporarily support older standalone front-ends by forwarding the older message types\n \/\/ to the new \"overrideValueAtPath\" command the backend is now listening to.\n- overrideHookState = ({\n+ overrideHookState: OverrideHookParams => void = ({\n id,\n hookID,\n path,\n rendererID,\n wasForwarded,\n value,\n- }: OverrideHookParams) => {\n+ }) => {\n \/\/ Don't forward a message that's already been forwarded by the front-end Bridge.\n \/\/ We only need to process the override command once!\n if (!wasForwarded) {\n@@ -508,13 +527,13 @@ export default class Agent extends EventEmitter<{\n \n \/\/ Temporarily support older standalone front-ends by forwarding the older message types\n \/\/ to the new \"overrideValueAtPath\" command the backend is now listening to.\n- overrideProps = ({\n+ overrideProps: SetInParams => void = ({\n id,\n path,\n rendererID,\n wasForwarded,\n value,\n- }: SetInParams) => {\n+ }) => {\n \/\/ Don't forward a message that's already been forwarded by the front-end Bridge.\n \/\/ We only need to process the override command once!\n if (!wasForwarded) {\n@@ -530,13 +549,13 @@ export default class Agent extends EventEmitter<{\n \n \/\/ Temporarily support older standalone front-ends by forwarding the older message types\n \/\/ to the new \"overrideValueAtPath\" command the backend is now listening to.\n- overrideState = ({\n+ overrideState: SetInParams => void = ({\n id,\n path,\n rendererID,\n wasForwarded,\n value,\n- }: SetInParams) => {\n+ }) => {\n \/\/ Don't forward a message that's already been forwarded by the front-end Bridge.\n \/\/ We only need to process the override command once!\n if (!wasForwarded) {\n@@ -550,7 +569,9 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- reloadAndProfile = (recordChangeDescriptions: boolean) => {\n+ reloadAndProfile: (\n+ recordChangeDescriptions: boolean,\n+ ) => void = recordChangeDescriptions => {\n sessionStorageSetItem(SESSION_STORAGE_RELOAD_AND_PROFILE_KEY, 'true');\n sessionStorageSetItem(\n SESSION_STORAGE_RECORD_CHANGE_DESCRIPTIONS_KEY,\n@@ -563,14 +584,14 @@ export default class Agent extends EventEmitter<{\n this._bridge.send('reloadAppForProfiling');\n };\n \n- renamePath = ({\n+ renamePath: RenamePathParams => void = ({\n hookID,\n id,\n newPath,\n oldPath,\n rendererID,\n type,\n- }: RenamePathParams) => {\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -607,7 +628,9 @@ export default class Agent extends EventEmitter<{\n }\n }\n \n- setTraceUpdatesEnabled = (traceUpdatesEnabled: boolean) => {\n+ setTraceUpdatesEnabled: (\n+ traceUpdatesEnabled: boolean,\n+ ) => void = traceUpdatesEnabled => {\n this._traceUpdatesEnabled = traceUpdatesEnabled;\n \n setTraceUpdatesEnabled(traceUpdatesEnabled);\n@@ -620,7 +643,7 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- syncSelectionFromNativeElementsPanel = () => {\n+ syncSelectionFromNativeElementsPanel: () => void = () => {\n const target = window.__REACT_DEVTOOLS_GLOBAL_HOOK__.$0;\n if (target == null) {\n return;\n@@ -628,12 +651,14 @@ export default class Agent extends EventEmitter<{\n this.selectNode(target);\n };\n \n- shutdown = () => {\n+ shutdown: () => void = () => {\n \/\/ Clean up the overlay if visible, and associated events.\n this.emit('shutdown');\n };\n \n- startProfiling = (recordChangeDescriptions: boolean) => {\n+ startProfiling: (\n+ recordChangeDescriptions: boolean,\n+ ) => void = recordChangeDescriptions => {\n this._recordChangeDescriptions = recordChangeDescriptions;\n this._isProfiling = true;\n for (const rendererID in this._rendererInterfaces) {\n@@ -645,7 +670,7 @@ export default class Agent extends EventEmitter<{\n this._bridge.send('profilingStatus', this._isProfiling);\n };\n \n- stopProfiling = () => {\n+ stopProfiling: () => void = () => {\n this._isProfiling = false;\n this._recordChangeDescriptions = false;\n for (const rendererID in this._rendererInterfaces) {\n@@ -657,11 +682,16 @@ export default class Agent extends EventEmitter<{\n this._bridge.send('profilingStatus', this._isProfiling);\n };\n \n- stopInspectingNative = (selected: boolean) => {\n+ stopInspectingNative: (selected: boolean) => void = selected => {\n this._bridge.send('stopInspectingNative', selected);\n };\n \n- storeAsGlobal = ({count, id, path, rendererID}: StoreAsGlobalParams) => {\n+ storeAsGlobal: StoreAsGlobalParams => void = ({\n+ count,\n+ id,\n+ path,\n+ rendererID,\n+ }) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -670,18 +700,18 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- updateConsolePatchSettings = ({\n+ updateConsolePatchSettings: ({\n+ appendComponentStack: boolean,\n+ breakOnConsoleErrors: boolean,\n+ browserTheme: BrowserTheme,\n+ hideConsoleLogsInStrictMode: boolean,\n+ showInlineWarningsAndErrors: boolean,\n+ }) => void = ({\n appendComponentStack,\n breakOnConsoleErrors,\n showInlineWarningsAndErrors,\n hideConsoleLogsInStrictMode,\n browserTheme,\n- }: {\n- appendComponentStack: boolean,\n- breakOnConsoleErrors: boolean,\n- showInlineWarningsAndErrors: boolean,\n- hideConsoleLogsInStrictMode: boolean,\n- browserTheme: BrowserTheme,\n }) => {\n \/\/ If the frontend preference has change,\n \/\/ or in the case of React Native- if the backend is just finding out the preference-\n@@ -696,7 +726,9 @@ export default class Agent extends EventEmitter<{\n });\n };\n \n- updateComponentFilters = (componentFilters: Array) => {\n+ updateComponentFilters: (\n+ componentFilters: Array,\n+ ) => void = componentFilters => {\n for (const rendererID in this._rendererInterfaces) {\n const renderer = ((this._rendererInterfaces[\n (rendererID: any)\n@@ -705,7 +737,7 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- viewAttributeSource = ({id, path, rendererID}: CopyElementParams) => {\n+ viewAttributeSource: CopyElementParams => void = ({id, path, rendererID}) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -714,7 +746,7 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- viewElementSource = ({id, rendererID}: ElementAndRendererID) => {\n+ viewElementSource: ElementAndRendererID => void = ({id, rendererID}) => {\n const renderer = this._rendererInterfaces[rendererID];\n if (renderer == null) {\n console.warn(`Invalid renderer id \"${rendererID}\" for element \"${id}\"`);\n@@ -723,11 +755,11 @@ export default class Agent extends EventEmitter<{\n }\n };\n \n- onTraceUpdates = (nodes: Set) => {\n+ onTraceUpdates: (nodes: Set) => void = nodes => {\n this.emit('traceUpdates', nodes);\n };\n \n- onFastRefreshScheduled = () => {\n+ onFastRefreshScheduled: () => void = () => {\n if (__DEBUG__) {\n debug('onFastRefreshScheduled');\n }\n@@ -735,7 +767,7 @@ export default class Agent extends EventEmitter<{\n this._bridge.send('fastRefreshScheduled');\n };\n \n- onHookOperations = (operations: Array) => {\n+ onHookOperations: (operations: Array) => void = operations => {\n if (__DEBUG__) {\n debug(\n 'onHookOperations',\n@@ -800,19 +832,22 @@ export default class Agent extends EventEmitter<{\n this._bridge.send('unsupportedRendererVersion', rendererID);\n }\n \n- _throttledPersistSelection = throttle((rendererID: number, id: number) => {\n- \/\/ This is throttled, so both renderer and selected ID\n- \/\/ might not be available by the time we read them.\n- \/\/ This is why we need the defensive checks here.\n- const renderer = this._rendererInterfaces[rendererID];\n- const path = renderer != null ? renderer.getPathForElement(id) : null;\n- if (path !== null) {\n- sessionStorageSetItem(\n- SESSION_STORAGE_LAST_SELECTION_KEY,\n- JSON.stringify(({rendererID, path}: PersistedSelection)),\n- );\n- } else {\n- sessionStorageRemoveItem(SESSION_STORAGE_LAST_SELECTION_KEY);\n- }\n- }, 1000);\n+ _throttledPersistSelection: any = throttle(\n+ (rendererID: number, id: number) => {\n+ \/\/ This is throttled, so both renderer and selected ID\n+ \/\/ might not be available by the time we read them.\n+ \/\/ This is why we need the defensive checks here.\n+ const renderer = this._rendererInterfaces[rendererID];\n+ const path = renderer != null ? renderer.getPathForElement(id) : null;\n+ if (path !== null) {\n+ sessionStorageSetItem(\n+ SESSION_STORAGE_LAST_SELECTION_KEY,\n+ JSON.stringify(({rendererID, path}: PersistedSelection)),\n+ );\n+ } else {\n+ sessionStorageRemoveItem(SESSION_STORAGE_LAST_SELECTION_KEY);\n+ }\n+ },\n+ 1000,\n+ );\n }\ndiff --git a\/packages\/react-devtools-shared\/src\/backend\/utils.js b\/packages\/react-devtools-shared\/src\/backend\/utils.js\nindex 5c4b128985..2b35ad0d5d 100644\n--- a\/packages\/react-devtools-shared\/src\/backend\/utils.js\n+++ b\/packages\/react-devtools-shared\/src\/backend\/utils.js\n@@ -119,7 +119,9 @@ export function copyWithSet(\n return updated;\n }\n \n-export function getEffectDurations(root: Object) {\n+export function getEffectDurations(\n+ root: Object,\n+): {effectDuration: any | null, passiveEffectDuration: any | null} {\n \/\/ Profiling durations are only available for certain builds.\n \/\/ If available, they'll be stored on the HostRoot.\n let effectDuration = null;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenu.js b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenu.js\nindex e29a33bb32..e167b28df6 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenu.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenu.js\n@@ -53,7 +53,7 @@ type Props = {\n id: string,\n };\n \n-export default function ContextMenu({children, id}: Props) {\n+export default function ContextMenu({children, id}: Props): React.Node {\n const {hideMenu, registerMenu} = useContext(\n RegistryContext,\n );\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenuItem.js b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenuItem.js\nindex df313307b1..29f49fe224 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenuItem.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/ContextMenuItem.js\n@@ -21,7 +21,11 @@ type Props = {\n title: string,\n };\n \n-export default function ContextMenuItem({children, onClick, title}: Props) {\n+export default function ContextMenuItem({\n+ children,\n+ onClick,\n+ title,\n+}: Props): React.Node {\n const {hideMenu} = useContext(RegistryContext);\n \n const handleClick = event => {\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/Contexts.js b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/Contexts.js\nindex f8d310a02f..2e30fc5c29 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/Contexts.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/ContextMenu\/Contexts.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import {createContext} from 'react';\n \n export type ShowFn = ({data: Object, pageX: number, pageY: number}) => void;\n@@ -81,8 +83,10 @@ export type RegistryContextType = {\n registerMenu: typeof registerMenu,\n };\n \n-export const RegistryContext = createContext({\n- hideMenu,\n- showMenu,\n- registerMenu,\n-});\n+export const RegistryContext: ReactContext = createContext(\n+ {\n+ hideMenu,\n+ showMenu,\n+ registerMenu,\n+ },\n+);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/ProfilerStore.js b\/packages\/react-devtools-shared\/src\/devtools\/ProfilerStore.js\nindex b74e958cef..979b73c798 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/ProfilerStore.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/ProfilerStore.js\n@@ -201,10 +201,10 @@ export default class ProfilerStore extends EventEmitter<{\n \/\/ We do this to avoid mismatches on e.g. CommitTreeBuilder that would cause errors.\n }\n \n- _takeProfilingSnapshotRecursive = (\n+ _takeProfilingSnapshotRecursive: (\n elementID: number,\n profilingSnapshots: Map,\n- ) => {\n+ ) => void = (elementID, profilingSnapshots) => {\n const element = this._store.getElementByID(elementID);\n if (element !== null) {\n const snapshotNode: SnapshotNode = {\n@@ -223,7 +223,7 @@ export default class ProfilerStore extends EventEmitter<{\n }\n };\n \n- onBridgeOperations = (operations: Array) => {\n+ onBridgeOperations: (operations: Array) => void = operations => {\n \/\/ The first two values are always rendererID and rootID\n const rendererID = operations[0];\n const rootID = operations[1];\n@@ -249,7 +249,9 @@ export default class ProfilerStore extends EventEmitter<{\n }\n };\n \n- onBridgeProfilingData = (dataBackend: ProfilingDataBackend) => {\n+ onBridgeProfilingData: (\n+ dataBackend: ProfilingDataBackend,\n+ ) => void = dataBackend => {\n if (this._isProfiling) {\n \/\/ This should never happen, but if it does- ignore previous profiling data.\n return;\n@@ -279,14 +281,14 @@ export default class ProfilerStore extends EventEmitter<{\n }\n };\n \n- onBridgeShutdown = () => {\n+ onBridgeShutdown: () => void = () => {\n this._bridge.removeListener('operations', this.onBridgeOperations);\n this._bridge.removeListener('profilingData', this.onBridgeProfilingData);\n this._bridge.removeListener('profilingStatus', this.onProfilingStatus);\n this._bridge.removeListener('shutdown', this.onBridgeShutdown);\n };\n \n- onProfilingStatus = (isProfiling: boolean) => {\n+ onProfilingStatus: (isProfiling: boolean) => void = isProfiling => {\n if (isProfiling) {\n this._dataBackends.splice(0);\n this._dataFrontend = null;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/ProfilingCache.js b\/packages\/react-devtools-shared\/src\/devtools\/ProfilingCache.js\nindex 6384db8d1c..ba4d304324 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/ProfilingCache.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/ProfilingCache.js\n@@ -33,26 +33,20 @@ export default class ProfilingCache {\n this._profilerStore = profilerStore;\n }\n \n- getCommitTree = ({\n- commitIndex,\n- rootID,\n- }: {\n+ getCommitTree: ({\n commitIndex: number,\n rootID: number,\n- }) =>\n+ }) => CommitTree = ({commitIndex, rootID}) =>\n getCommitTree({\n commitIndex,\n profilerStore: this._profilerStore,\n rootID,\n });\n \n- getFiberCommits = ({\n- fiberID,\n- rootID,\n- }: {\n+ getFiberCommits: ({\n fiberID: number,\n rootID: number,\n- }): Array => {\n+ }) => Array = ({fiberID, rootID}) => {\n const cachedFiberCommits = this._fiberCommits.get(fiberID);\n if (cachedFiberCommits != null) {\n return cachedFiberCommits;\n@@ -71,15 +65,11 @@ export default class ProfilingCache {\n return fiberCommits;\n };\n \n- getFlamegraphChartData = ({\n- commitIndex,\n- commitTree,\n- rootID,\n- }: {\n+ getFlamegraphChartData: ({\n commitIndex: number,\n commitTree: CommitTree,\n rootID: number,\n- }): FlamegraphChartData =>\n+ }) => FlamegraphChartData = ({commitIndex, commitTree, rootID}) =>\n getFlamegraphChartData({\n commitIndex,\n commitTree,\n@@ -87,15 +77,11 @@ export default class ProfilingCache {\n rootID,\n });\n \n- getRankedChartData = ({\n- commitIndex,\n- commitTree,\n- rootID,\n- }: {\n+ getRankedChartData: ({\n commitIndex: number,\n commitTree: CommitTree,\n rootID: number,\n- }): RankedChartData =>\n+ }) => RankedChartData = ({commitIndex, commitTree, rootID}) =>\n getRankedChartData({\n commitIndex,\n commitTree,\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/store.js b\/packages\/react-devtools-shared\/src\/devtools\/store.js\nindex b51597f43a..11d4a9a5f1 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/store.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/store.js\n@@ -828,10 +828,10 @@ export default class Store extends EventEmitter<{\n }\n }\n \n- _adjustParentTreeWeight = (\n+ _adjustParentTreeWeight: (\n parentElement: Element | null,\n weightDelta: number,\n- ) => {\n+ ) => void = (parentElement, weightDelta) => {\n let isInsideCollapsedSubTree = false;\n \n while (parentElement != null) {\n@@ -869,20 +869,17 @@ export default class Store extends EventEmitter<{\n }\n }\n \n- onBridgeNativeStyleEditorSupported = ({\n- isSupported,\n- validAttributes,\n- }: {\n+ onBridgeNativeStyleEditorSupported: ({\n isSupported: boolean,\n validAttributes: ?$ReadOnlyArray,\n- }) => {\n+ }) => void = ({isSupported, validAttributes}) => {\n this._isNativeStyleEditorSupported = isSupported;\n this._nativeStyleEditorValidAttributes = validAttributes || null;\n \n this.emit('supportsNativeStyleEditor');\n };\n \n- onBridgeOperations = (operations: Array) => {\n+ onBridgeOperations: (operations: Array) => void = operations => {\n if (__DEBUG__) {\n console.groupCollapsed('onBridgeOperations');\n debug('onBridgeOperations', operations.join(','));\n@@ -1328,15 +1325,15 @@ export default class Store extends EventEmitter<{\n \/\/ this message enables the backend to override the frontend's current (\"saved\") filters.\n \/\/ This action should also override the saved filters too,\n \/\/ else reloading the frontend without reloading the backend would leave things out of sync.\n- onBridgeOverrideComponentFilters = (\n+ onBridgeOverrideComponentFilters: (\n componentFilters: Array,\n- ) => {\n+ ) => void = componentFilters => {\n this._componentFilters = componentFilters;\n \n setSavedComponentFilters(componentFilters);\n };\n \n- onBridgeShutdown = () => {\n+ onBridgeShutdown: () => void = () => {\n if (__DEBUG__) {\n debug('onBridgeShutdown', 'unsubscribing from Bridge');\n }\n@@ -1373,30 +1370,36 @@ export default class Store extends EventEmitter<{\n }\n };\n \n- onBackendStorageAPISupported = (isBackendStorageAPISupported: boolean) => {\n+ onBackendStorageAPISupported: (\n+ isBackendStorageAPISupported: boolean,\n+ ) => void = isBackendStorageAPISupported => {\n this._isBackendStorageAPISupported = isBackendStorageAPISupported;\n \n this.emit('supportsReloadAndProfile');\n };\n \n- onBridgeSynchronousXHRSupported = (isSynchronousXHRSupported: boolean) => {\n+ onBridgeSynchronousXHRSupported: (\n+ isSynchronousXHRSupported: boolean,\n+ ) => void = isSynchronousXHRSupported => {\n this._isSynchronousXHRSupported = isSynchronousXHRSupported;\n \n this.emit('supportsReloadAndProfile');\n };\n \n- onBridgeUnsupportedRendererVersion = () => {\n+ onBridgeUnsupportedRendererVersion: () => void = () => {\n this._unsupportedRendererVersionDetected = true;\n \n this.emit('unsupportedRendererVersionDetected');\n };\n \n- onBridgeBackendVersion = (backendVersion: string) => {\n+ onBridgeBackendVersion: (backendVersion: string) => void = backendVersion => {\n this._backendVersion = backendVersion;\n this.emit('backendVersion');\n };\n \n- onBridgeProtocol = (bridgeProtocol: BridgeProtocol) => {\n+ onBridgeProtocol: (\n+ bridgeProtocol: BridgeProtocol,\n+ ) => void = bridgeProtocol => {\n if (this._onBridgeProtocolTimeoutID !== null) {\n clearTimeout(this._onBridgeProtocolTimeoutID);\n this._onBridgeProtocolTimeoutID = null;\n@@ -1411,7 +1414,7 @@ export default class Store extends EventEmitter<{\n }\n };\n \n- onBridgeProtocolTimeout = () => {\n+ onBridgeProtocolTimeout: () => void = () => {\n this._onBridgeProtocolTimeoutID = null;\n \n \/\/ If we timed out, that indicates the backend predates the bridge protocol,\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/utils.js b\/packages\/react-devtools-shared\/src\/devtools\/utils.js\nindex 86c9dd6c8c..1a4719f6df 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/utils.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/utils.js\n@@ -149,7 +149,7 @@ export function printStore(\n \/\/ We use JSON.parse to parse string values\n \/\/ e.g. 'foo' is not valid JSON but it is a valid string\n \/\/ so this method replaces e.g. 'foo' with \"foo\"\n-export function sanitizeForParse(value: any) {\n+export function sanitizeForParse(value: any): any | string {\n if (typeof value === 'string') {\n if (\n value.length >= 2 &&\n@@ -162,7 +162,7 @@ export function sanitizeForParse(value: any) {\n return value;\n }\n \n-export function smartParse(value: any) {\n+export function smartParse(value: any): any | void | number {\n switch (value) {\n case 'Infinity':\n return Infinity;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Button.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Button.js\nindex bdd84b57da..a629e8d7b7 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Button.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Button.js\n@@ -26,7 +26,7 @@ export default function Button({\n testName,\n title,\n ...rest\n-}: Props) {\n+}: Props): React.Node {\n let button = (\n \/\/ $FlowFixMe unsafe spread\n );\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ExpandCollapseToggle.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ExpandCollapseToggle.js\nindex 2cc19850d9..872e24f54c 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ExpandCollapseToggle.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ExpandCollapseToggle.js\n@@ -23,7 +23,7 @@ export default function ExpandCollapseToggle({\n disabled,\n isOpen,\n setIsOpen,\n-}: ExpandCollapseToggleProps) {\n+}: ExpandCollapseToggleProps): React.Node {\n return (\n Promise;\n export type Context = FetchFileWithCaching | null;\n \n-const FetchFileWithCachingContext = createContext(null);\n+const FetchFileWithCachingContext: ReactContext = createContext(\n+ null,\n+);\n FetchFileWithCachingContext.displayName = 'FetchFileWithCachingContext';\n \n export default FetchFileWithCachingContext;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/HookNamesModuleLoaderContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/HookNamesModuleLoaderContext.js\nindex c9a09e64c0..91701c260d 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/HookNamesModuleLoaderContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/HookNamesModuleLoaderContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import type {Thenable} from 'shared\/ReactTypes';\n \n import {createContext} from 'react';\n@@ -16,7 +18,9 @@ export type HookNamesModuleLoaderFunction = () => Thenable\n export type Context = HookNamesModuleLoaderFunction | null;\n \n \/\/ TODO (Webpack 5) Hopefully we can remove this context entirely once the Webpack 5 upgrade is completed.\n-const HookNamesModuleLoaderContext = createContext(null);\n+const HookNamesModuleLoaderContext: ReactContext = createContext(\n+ null,\n+);\n HookNamesModuleLoaderContext.displayName = 'HookNamesModuleLoaderContext';\n \n export default HookNamesModuleLoaderContext;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementContext.js\nindex 02444890df..ccfb43fd5c 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {\n createContext,\n@@ -55,7 +57,7 @@ type Context = {\n toggleParseHookNames: ToggleParseHookNames,\n };\n \n-export const InspectedElementContext = createContext(\n+export const InspectedElementContext: ReactContext = createContext(\n ((null: any): Context),\n );\n \n@@ -65,7 +67,9 @@ export type Props = {\n children: ReactNodeList,\n };\n \n-export function InspectedElementContextController({children}: Props) {\n+export function InspectedElementContextController({\n+ children,\n+}: Props): React.Node {\n const {selectedElementID} = useContext(TreeStateContext);\n const fetchFileWithCaching = useContext(FetchFileWithCachingContext);\n const bridge = useContext(BridgeContext);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementHooksTree.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementHooksTree.js\nindex 346a23b8ff..27e7ec69ce 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementHooksTree.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/InspectedElementHooksTree.js\n@@ -417,5 +417,6 @@ function HookView({\n }\n }\n \n-\/\/ $FlowFixMe\n-export default React.memo(InspectedElementHooksTree);\n+export default (React.memo(\n+ InspectedElementHooksTree,\n+): React.ComponentType);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/KeyValue.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/KeyValue.js\nindex e1aab1a481..1da9920566 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/KeyValue.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/KeyValue.js\n@@ -75,7 +75,7 @@ export default function KeyValue({\n pathRoot,\n store,\n value,\n-}: KeyValueProps) {\n+}: KeyValueProps): React.Node {\n const {readOnly: readOnlyGlobalFlag} = useContext(OptionsContext);\n canDeletePaths = !readOnlyGlobalFlag && canDeletePaths;\n canEditValues = !readOnlyGlobalFlag && canEditValues;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/NativeStyleEditor\/context.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/NativeStyleEditor\/context.js\nindex ae91fbb94e..583ac1e70d 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/NativeStyleEditor\/context.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/NativeStyleEditor\/context.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {\n createContext,\n@@ -41,7 +43,9 @@ type Context = {\n getStyleAndLayout: GetStyleAndLayout,\n };\n \n-const NativeStyleContext = createContext(((null: any): Context));\n+const NativeStyleContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n NativeStyleContext.displayName = 'NativeStyleContext';\n \n type ResolveFn = (styleAndLayout: StyleAndLayoutFrontend) => void;\n@@ -79,7 +83,7 @@ type Props = {\n children: React$Node,\n };\n \n-function NativeStyleContextController({children}: Props) {\n+function NativeStyleContextController({children}: Props): React.Node {\n const bridge = useContext(BridgeContext);\n const store = useContext(StoreContext);\n \ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/OwnersListContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/OwnersListContext.js\nindex cbd0497f54..8d1f58ef28 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/OwnersListContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/OwnersListContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {createContext, useCallback, useContext, useEffect} from 'react';\n import {createResource} from '..\/..\/cache';\n@@ -23,7 +25,9 @@ import type {Resource, Thenable} from '..\/..\/cache';\n \n type Context = (id: number) => Array | null;\n \n-const OwnersListContext = createContext(((null: any): Context));\n+const OwnersListContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n OwnersListContext.displayName = 'OwnersListContext';\n \n type ResolveFn = (ownersList: Array | null) => void;\n@@ -61,7 +65,7 @@ type Props = {\n children: React$Node,\n };\n \n-function OwnersListContextController({children}: Props) {\n+function OwnersListContextController({children}: Props): React.Node {\n const bridge = useContext(BridgeContext);\n const store = useContext(StoreContext);\n const {ownerID} = useContext(TreeStateContext);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeContext.js\nindex e975bd16fa..90208c5bae 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeContext.js\n@@ -24,6 +24,8 @@\n \/\/ For this reason, changes to the tree context are processed in sequence: tree -> search -> owners\n \/\/ This enables each section to potentially override (or mask) previous values.\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {\n createContext,\n@@ -148,12 +150,12 @@ type Action =\n \n export type DispatcherContext = (action: Action) => void;\n \n-const TreeStateContext = createContext(\n+const TreeStateContext: ReactContext = createContext(\n ((null: any): StateContext),\n );\n TreeStateContext.displayName = 'TreeStateContext';\n \n-const TreeDispatcherContext = createContext(\n+const TreeDispatcherContext: ReactContext = createContext(\n ((null: any): DispatcherContext),\n );\n TreeDispatcherContext.displayName = 'TreeDispatcherContext';\n@@ -835,7 +837,7 @@ function TreeContextController({\n defaultOwnerID,\n defaultSelectedElementID,\n defaultSelectedElementIndex,\n-}: Props) {\n+}: Props): React.Node {\n const bridge = useContext(BridgeContext);\n const store = useContext(StoreContext);\n \ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeFocusedContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeFocusedContext.js\nindex 8461f97f1b..5abb01e3dc 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeFocusedContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/TreeFocusedContext.js\n@@ -7,8 +7,10 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import {createContext} from 'react';\n \n-const TreeFocusedContext = createContext(false);\n+const TreeFocusedContext: ReactContext = createContext(false);\n \n export default TreeFocusedContext;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewElementSourceContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewElementSourceContext.js\nindex 10d20f4a2a..93a68c35b6 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewElementSourceContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewElementSourceContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import {createContext} from 'react';\n \n import type {\n@@ -19,7 +21,9 @@ export type Context = {\n viewElementSourceFunction: ViewElementSource | null,\n };\n \n-const ViewElementSourceContext = createContext(((null: any): Context));\n+const ViewElementSourceContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n ViewElementSourceContext.displayName = 'ViewElementSourceContext';\n \n export default ViewElementSourceContext;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewSourceContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewSourceContext.js\nindex 8ea733440e..2f6390de14 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewSourceContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Components\/ViewSourceContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import {createContext} from 'react';\n \n import type {ViewUrlSource} from 'react-devtools-shared\/src\/devtools\/views\/DevTools';\n@@ -15,7 +17,9 @@ export type Context = {\n viewUrlSourceFunction: ViewUrlSource | null,\n };\n \n-const ViewSourceContext = createContext(((null: any): Context));\n+const ViewSourceContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n ViewSourceContext.displayName = 'ViewSourceContext';\n \n export default ViewSourceContext;\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/ErrorBoundary\/ErrorBoundary.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/ErrorBoundary\/ErrorBoundary.js\nindex 84077b3fa6..5fcfa3a79f 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/ErrorBoundary\/ErrorBoundary.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/ErrorBoundary\/ErrorBoundary.js\n@@ -56,7 +56,17 @@ const InitialState: State = {\n export default class ErrorBoundary extends Component {\n state: State = InitialState;\n \n- static getDerivedStateFromError(error: any) {\n+ static getDerivedStateFromError(\n+ error: any,\n+ ): {\n+ callStack: string | null,\n+ errorMessage: string | null,\n+ hasError: boolean,\n+ isTimeout: boolean,\n+ isUnknownHookError: boolean,\n+ isUnsupportedBridgeOperationError: boolean,\n+ isUserError: boolean,\n+ } {\n const errorMessage =\n typeof error === 'object' &&\n error !== null &&\n@@ -112,7 +122,7 @@ export default class ErrorBoundary extends Component {\n }\n }\n \n- render() {\n+ render(): React.Node {\n const {canDismiss: canDismissProp, children} = this.props;\n const {\n callStack,\n@@ -201,7 +211,10 @@ export default class ErrorBoundary extends Component {\n return children;\n }\n \n- _logError = (error: any, componentStack: string | null) => {\n+ _logError: (error: any, componentStack: string | null) => void = (\n+ error,\n+ componentStack,\n+ ) => {\n logEvent({\n event_name: 'error',\n error_message: error.message ?? null,\n@@ -210,7 +223,7 @@ export default class ErrorBoundary extends Component {\n });\n };\n \n- _dismissError = () => {\n+ _dismissError: () => void = () => {\n const onBeforeDismissCallback = this.props.onBeforeDismissCallback;\n if (typeof onBeforeDismissCallback === 'function') {\n onBeforeDismissCallback();\n@@ -219,7 +232,7 @@ export default class ErrorBoundary extends Component {\n this.setState(InitialState);\n };\n \n- _onStoreError = (error: Error) => {\n+ _onStoreError: (error: Error) => void = error => {\n if (!this.state.hasError) {\n this._logError(error, null);\n this.setState({\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/ModalDialog.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/ModalDialog.js\nindex 2bfbc0ec90..c3563cb62f 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/ModalDialog.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/ModalDialog.js\n@@ -7,6 +7,7 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n import * as React from 'react';\n import {\n createContext,\n@@ -55,7 +56,7 @@ type ModalDialogContextType = {\n dispatch: Dispatch,\n };\n \n-const ModalDialogContext = createContext(\n+const ModalDialogContext: ReactContext = createContext(\n ((null: any): ModalDialogContextType),\n );\n ModalDialogContext.displayName = 'ModalDialogContext';\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitFlamegraphListItem.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitFlamegraphListItem.js\nindex 35622433e3..f30a294fd7 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitFlamegraphListItem.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitFlamegraphListItem.js\n@@ -25,7 +25,7 @@ type Props = {\n ...\n };\n \n-function CommitFlamegraphListItem({data, index, style}: Props) {\n+function CommitFlamegraphListItem({data, index, style}: Props): React.Node {\n const {\n chartData,\n onElementMouseEnter,\n@@ -131,4 +131,7 @@ function CommitFlamegraphListItem({data, index, style}: Props) {\n );\n }\n \n-export default memo(CommitFlamegraphListItem, areEqual);\n+export default (memo(\n+ CommitFlamegraphListItem,\n+ areEqual,\n+): React.ComponentType);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitRankedListItem.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitRankedListItem.js\nindex 6b92499ece..f0f0448872 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitRankedListItem.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/CommitRankedListItem.js\n@@ -80,4 +80,7 @@ function CommitRankedListItem({data, index, style}: Props) {\n );\n }\n \n-export default memo(CommitRankedListItem, areEqual);\n+export default (memo(\n+ CommitRankedListItem,\n+ areEqual,\n+): React.ComponentType);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/Profiler.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/Profiler.js\nindex 97b34809d7..84bb902f74 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/Profiler.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/Profiler.js\n@@ -196,4 +196,4 @@ const tabsWithTimeline = [\n },\n ];\n \n-export default portaledContent(Profiler);\n+export default (portaledContent(Profiler): React.ComponentType<{}>);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/ProfilerContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/ProfilerContext.js\nindex 2d1b6d3fb6..80230f5d2c 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/ProfilerContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/ProfilerContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {createContext, useCallback, useContext, useMemo, useState} from 'react';\n import {unstable_batchedUpdates as batchedUpdates} from 'react-dom';\n@@ -67,7 +69,9 @@ export type Context = {\n selectFiber: (id: number | null, name: string | null) => void,\n };\n \n-const ProfilerContext = createContext(((null: any): Context));\n+const ProfilerContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n ProfilerContext.displayName = 'ProfilerContext';\n \n type StoreProfilingState = {\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 ab967301e7..21926a12d8 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@@ -99,6 +99,7 @@ function List({\n totalDurations,\n width,\n }: ListProps) {\n+ \/\/ $FlowFixMe[incompatible-use]\n const listRef = useRef | null>(null);\n const divRef = useRef(null);\n const prevCommitIndexRef = useRef(null);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitListItem.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitListItem.js\nindex 02e753bb81..648e666995 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitListItem.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Profiler\/SnapshotCommitListItem.js\n@@ -96,4 +96,7 @@ function SnapshotCommitListItem({data: itemData, index, style}: Props) {\n );\n }\n \n-export default memo(SnapshotCommitListItem, areEqual);\n+export default (memo(\n+ SnapshotCommitListItem,\n+ areEqual,\n+): React.ComponentType);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsContext.js\nindex 82c62fc96c..517e68adc1 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {\n createContext,\n@@ -67,7 +69,9 @@ type Context = {\n setTraceUpdatesEnabled: (value: boolean) => void,\n };\n \n-const SettingsContext = createContext(((null: any): Context));\n+const SettingsContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n SettingsContext.displayName = 'SettingsContext';\n \n function useLocalStorageWithLog(\n@@ -100,7 +104,7 @@ function SettingsContextController({\n children,\n componentsPortalContainer,\n profilerPortalContainer,\n-}: Props) {\n+}: Props): React.Node {\n const bridge = useContext(BridgeContext);\n \n const [\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsModalContext.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsModalContext.js\nindex 9821f25c05..ac6a00fc59 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsModalContext.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/Settings\/SettingsModalContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {createContext, useMemo, useState} from 'react';\n \n@@ -19,10 +21,16 @@ type Context = {\n ...\n };\n \n-const SettingsModalContext = createContext(((null: any): Context));\n+const SettingsModalContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n SettingsModalContext.displayName = 'SettingsModalContext';\n \n-function SettingsModalContextController({children}: {children: React$Node}) {\n+function SettingsModalContextController({\n+ children,\n+}: {\n+ children: React$Node,\n+}): React.Node {\n const [isModalShowing, setIsModalShowing] = useState(false);\n \n const value = useMemo(() => ({isModalShowing, setIsModalShowing}), [\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedBridgeProtocolDialog.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedBridgeProtocolDialog.js\nindex 07062e905d..c9975502d3 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedBridgeProtocolDialog.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedBridgeProtocolDialog.js\n@@ -24,7 +24,7 @@ const INSTRUCTIONS_FB_URL =\n 'https:\/\/fb.me\/devtools-unsupported-bridge-protocol';\n const MODAL_DIALOG_ID = 'UnsupportedBridgeProtocolDialog';\n \n-export default function UnsupportedBridgeProtocolDialog(_: {}) {\n+export default function UnsupportedBridgeProtocolDialog(_: {}): null {\n const {dialogs, dispatch} = useContext(ModalDialogContext);\n const store = useContext(StoreContext);\n \ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedVersionDialog.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedVersionDialog.js\nindex 0cd383430b..6b35e3ca16 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedVersionDialog.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/UnsupportedVersionDialog.js\n@@ -18,7 +18,7 @@ import styles from '.\/UnsupportedVersionDialog.css';\n \n type DAILOG_STATE = 'dialog-not-shown' | 'show-dialog' | 'dialog-shown';\n \n-export default function UnsupportedVersionDialog(_: {}) {\n+export default function UnsupportedVersionDialog(_: {}): null {\n const {dispatch} = useContext(ModalDialogContext);\n const store = useContext(StoreContext);\n const [state, setState] = useState('dialog-not-shown');\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/context.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/context.js\nindex 6f8f8ae496..edba8777b7 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/context.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/context.js\n@@ -7,18 +7,21 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n import {createContext} from 'react';\n import Store from '..\/store';\n \n import type {ViewAttributeSource} from 'react-devtools-shared\/src\/devtools\/views\/DevTools';\n import type {FrontendBridge} from 'react-devtools-shared\/src\/bridge';\n \n-export const BridgeContext = createContext(\n+export const BridgeContext: ReactContext = createContext(\n ((null: any): FrontendBridge),\n );\n BridgeContext.displayName = 'BridgeContext';\n \n-export const StoreContext = createContext(((null: any): Store));\n+export const StoreContext: ReactContext = createContext(\n+ ((null: any): Store),\n+);\n StoreContext.displayName = 'StoreContext';\n \n export type ContextMenuContextType = {\n@@ -26,10 +29,12 @@ export type ContextMenuContextType = {\n viewAttributeSourceFunction: ViewAttributeSource | null,\n };\n \n-export const ContextMenuContext = createContext({\n- isEnabledForInspectedElement: false,\n- viewAttributeSourceFunction: null,\n-});\n+export const ContextMenuContext: ReactContext = createContext(\n+ {\n+ isEnabledForInspectedElement: false,\n+ viewAttributeSourceFunction: null,\n+ },\n+);\n ContextMenuContext.displayName = 'ContextMenuContext';\n \n export type OptionsContextType = {\n@@ -41,11 +46,13 @@ export type OptionsContextType = {\n hideViewSourceAction: boolean,\n };\n \n-export const OptionsContext = createContext({\n- readOnly: false,\n- hideSettings: false,\n- hideToggleErrorAction: false,\n- hideToggleSuspenseAction: false,\n- hideLogAction: false,\n- hideViewSourceAction: false,\n-});\n+export const OptionsContext: ReactContext = createContext(\n+ {\n+ readOnly: false,\n+ hideSettings: false,\n+ hideToggleErrorAction: false,\n+ hideToggleSuspenseAction: false,\n+ hideLogAction: false,\n+ hideViewSourceAction: false,\n+ },\n+);\ndiff --git a\/packages\/react-devtools-shared\/src\/devtools\/views\/useThemeStyles.js b\/packages\/react-devtools-shared\/src\/devtools\/views\/useThemeStyles.js\nindex 009cf1a50d..ee779e96d6 100644\n--- a\/packages\/react-devtools-shared\/src\/devtools\/views\/useThemeStyles.js\n+++ b\/packages\/react-devtools-shared\/src\/devtools\/views\/useThemeStyles.js\n@@ -11,7 +11,7 @@ import {useContext, useMemo} from 'react';\n import {SettingsContext} from '.\/Settings\/SettingsContext';\n import {THEME_STYLES} from '..\/..\/constants';\n \n-const useThemeStyles = () => {\n+const useThemeStyles = (): any => {\n const {theme, displayDensity, browserTheme} = useContext(SettingsContext);\n \n const style = useMemo(\ndiff --git a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createGridComponent.js b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createGridComponent.js\nindex 8f00a7929d..d1da857a54 100644\n--- a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createGridComponent.js\n+++ b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createGridComponent.js\n@@ -191,7 +191,7 @@ export default function createGridComponent({\n initInstanceProps: InitInstanceProps,\n shouldResetStyleCacheOnItemSizeChange: boolean,\n validateProps: ValidateProps,\n-|}) {\n+|}): React.ComponentType> {\n return class Grid extends PureComponent, State> {\n _instanceProps: any = initInstanceProps(this.props, this);\n _resetIsScrollingTimeoutId: TimeoutID | null = null;\ndiff --git a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createListComponent.js b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createListComponent.js\nindex 6fb6f2d540..11ff59317c 100644\n--- a\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createListComponent.js\n+++ b\/packages\/react-devtools-shared\/src\/node_modules\/react-window\/src\/createListComponent.js\n@@ -156,7 +156,7 @@ export default function createListComponent({\n initInstanceProps: InitInstanceProps,\n shouldResetStyleCacheOnItemSizeChange: boolean,\n validateProps: ValidateProps,\n-|}) {\n+|}): React.ComponentType> {\n return class List extends PureComponent, State> {\n _instanceProps: any = initInstanceProps(this.props, this);\n _outerRef: ?HTMLDivElement;\ndiff --git a\/packages\/react-devtools-shell\/src\/app\/InspectableElements\/SimpleValues.js b\/packages\/react-devtools-shell\/src\/app\/InspectableElements\/SimpleValues.js\nindex 6623e53d03..73c9359881 100644\n--- a\/packages\/react-devtools-shell\/src\/app\/InspectableElements\/SimpleValues.js\n+++ b\/packages\/react-devtools-shell\/src\/app\/InspectableElements\/SimpleValues.js\n@@ -13,9 +13,9 @@ import {Component} from 'react';\n function noop() {}\n \n export default class SimpleValues extends Component {\n- anonymousFunction = () => {};\n+ anonymousFunction: () => void = () => {};\n \n- render() {\n+ render(): React.Node {\n return (\n (ListItem);\n+export default (memo(ListItem): React.ComponentType);\ndiff --git a\/packages\/react-devtools-timeline\/src\/TimelineContext.js b\/packages\/react-devtools-timeline\/src\/TimelineContext.js\nindex 3032e55947..7ccc6fb972 100644\n--- a\/packages\/react-devtools-timeline\/src\/TimelineContext.js\n+++ b\/packages\/react-devtools-timeline\/src\/TimelineContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {\n createContext,\n@@ -38,14 +40,16 @@ export type Context = {\n selectedEvent: ReactEventInfo,\n };\n \n-const TimelineContext = createContext(((null: any): Context));\n+const TimelineContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n TimelineContext.displayName = 'TimelineContext';\n \n type Props = {\n children: React$Node,\n };\n \n-function TimelineContextController({children}: Props) {\n+function TimelineContextController({children}: Props): React.Node {\n const searchInputContainerRef = useRef(null);\n const [file, setFile] = useState(null);\n \ndiff --git a\/packages\/react-devtools-timeline\/src\/TimelineSearchContext.js b\/packages\/react-devtools-timeline\/src\/TimelineSearchContext.js\nindex 2535b723b4..4e81544289 100644\n--- a\/packages\/react-devtools-timeline\/src\/TimelineSearchContext.js\n+++ b\/packages\/react-devtools-timeline\/src\/TimelineSearchContext.js\n@@ -7,6 +7,8 @@\n * @flow\n *\/\n \n+import type {ReactContext} from 'shared\/ReactTypes';\n+\n import * as React from 'react';\n import {createContext, useMemo, useReducer} from 'react';\n \n@@ -122,7 +124,9 @@ export type Context = {\n searchText: string,\n };\n \n-const TimelineSearchContext = createContext(((null: any): Context));\n+const TimelineSearchContext: ReactContext = createContext(\n+ ((null: any): Context),\n+);\n TimelineSearchContext.displayName = 'TimelineSearchContext';\n \n type Props = {\n@@ -135,7 +139,7 @@ function TimelineSearchContextController({\n children,\n profilerData,\n viewState,\n-}: Props) {\n+}: Props): React.Node {\n const [state, dispatch] = useReducer(reducer, {\n profilerData,\n searchIndex: -1,\ndiff --git a\/packages\/react-devtools-timeline\/src\/import-worker\/index.js b\/packages\/react-devtools-timeline\/src\/import-worker\/index.js\nindex ef9a239c6d..477bc26b95 100644\n--- a\/packages\/react-devtools-timeline\/src\/import-worker\/index.js\n+++ b\/packages\/react-devtools-timeline\/src\/import-worker\/index.js\n@@ -28,4 +28,5 @@ export type ImportWorkerOutputData =\n \n export type importFileFunction = (file: File) => ImportWorkerOutputData;\n \n-export const importFile = (file: File) => workerizedImportFile.importFile(file);\n+export const importFile = (file: File): Promise =>\n+ workerizedImportFile.importFile(file);\ndiff --git a\/packages\/react-devtools-timeline\/src\/utils\/formatting.js b\/packages\/react-devtools-timeline\/src\/utils\/formatting.js\nindex ec51bfbe30..35c4226654 100644\n--- a\/packages\/react-devtools-timeline\/src\/utils\/formatting.js\n+++ b\/packages\/react-devtools-timeline\/src\/utils\/formatting.js\n@@ -20,7 +20,7 @@ export function formatTimestamp(ms: number): string {\n );\n }\n \n-export function formatDuration(ms: number) {\n+export function formatDuration(ms: number): string {\n return prettyMilliseconds(ms, {millisecondsDecimalDigits: 1});\n }\n \ndiff --git a\/packages\/react-devtools-timeline\/src\/view-base\/VerticalScrollView.js b\/packages\/react-devtools-timeline\/src\/view-base\/VerticalScrollView.js\nindex a4ef5df8d7..f09a5de8c5 100644\n--- a\/packages\/react-devtools-timeline\/src\/view-base\/VerticalScrollView.js\n+++ b\/packages\/react-devtools-timeline\/src\/view-base\/VerticalScrollView.js\n@@ -7,6 +7,7 @@\n * @flow\n *\/\n \n+import type {Size, IntrinsicSize} from '.\/geometry';\n import type {\n Interaction,\n MouseDownInteraction,\n@@ -78,7 +79,7 @@ export class VerticalScrollView extends View {\n this._setScrollState(this._scrollState);\n }\n \n- desiredSize() {\n+ desiredSize(): Size | IntrinsicSize {\n return this._contentView.desiredSize();\n }\n \n@@ -195,7 +196,7 @@ export class VerticalScrollView extends View {\n }\n }\n \n- _handleMouseMove(interaction: MouseMoveInteraction) {\n+ _handleMouseMove(interaction: MouseMoveInteraction): void | boolean {\n if (!this._isPanning) {\n return;\n }\ndiff --git a\/packages\/react-devtools-timeline\/src\/view-base\/View.js b\/packages\/react-devtools-timeline\/src\/view-base\/View.js\nindex 3e2a5a06f1..9ed637182b 100644\n--- a\/packages\/react-devtools-timeline\/src\/view-base\/View.js\n+++ b\/packages\/react-devtools-timeline\/src\/view-base\/View.js\n@@ -55,7 +55,7 @@ export class View {\n * @see setNeedsDisplay\n * @private\n *\/\n- _needsDisplay = true;\n+ _needsDisplay: boolean = true;\n \n \/**\n * Whether the hierarchy below this view has subviews that need display.\n@@ -65,7 +65,7 @@ export class View {\n * @see setSubviewsNeedDisplay\n * @private\n *\/\n- _subviewsNeedDisplay = false;\n+ _subviewsNeedDisplay: boolean = false;\n \n constructor(\n surface: Surface,\ndiff --git a\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizeBarView.js b\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizeBarView.js\nindex d4924edf6d..71239d7e04 100644\n--- a\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizeBarView.js\n+++ b\/packages\/react-devtools-timeline\/src\/view-base\/resizable\/ResizeBarView.js\n@@ -13,7 +13,7 @@ import type {\n MouseMoveInteraction,\n MouseUpInteraction,\n } from '..\/useCanvasInteraction';\n-import type {Rect} from '..\/geometry';\n+import type {Rect, Size} from '..\/geometry';\n import type {ViewRefs} from '..\/Surface';\n \n import {BORDER_SIZE, COLORS} from '..\/..\/content-views\/constants';\n@@ -42,7 +42,7 @@ export class ResizeBarView extends View {\n this._label = label;\n }\n \n- desiredSize() {\n+ desiredSize(): Size {\n return this.showLabel\n ? {height: RESIZE_BAR_WITH_LABEL_HEIGHT, width: 0}\n : {height: RESIZE_BAR_HEIGHT, width: 0};\ndiff --git a\/scripts\/flow\/config\/flowconfig b\/scripts\/flow\/config\/flowconfig\nindex f4f6921040..5c241ef735 100644\n--- a\/scripts\/flow\/config\/flowconfig\n+++ b\/scripts\/flow\/config\/flowconfig\n@@ -47,6 +47,11 @@ exact_by_default=true\n munge_underscores=false\n types_first=false\n \n+well_formed_exports=true\n+well_formed_exports.includes=\/packages\/react-devtools-shared\n+well_formed_exports.includes=\/packages\/react-devtools-shell\n+well_formed_exports.includes=\/packages\/react-devtools-timeline\n+\n # Substituted by createFlowConfig.js:\n %REACT_RENDERER_FLOW_OPTIONS%\n 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.js","status":"M"},{"path":"scripts\/flow\/config\/flowconfig","status":"M"}]}

dillon1000/react

Files changed